./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1979294365 <...> DUID 00:04:02:40:b4:1b:63:80:2c:d1:41:b7:a3:cb:95:3e:6a:64 forked to background, child pid 4667 [ 20.939390][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.948283][ T4668] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts. execve("./syz-executor1979294365", ["./syz-executor1979294365"], 0x7ffcd4230c00 /* 10 vars */) = 0 brk(NULL) = 0x5555563db000 brk(0x5555563dbc40) = 0x5555563dbc40 arch_prctl(ARCH_SET_FS, 0x5555563db300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555563db5d0) = 4998 set_robust_list(0x5555563db5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fc4ee194330, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fc4ee194a00}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fc4ee1943d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc4ee194a00}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1979294365", 4096) = 28 brk(0x5555563fcc40) = 0x5555563fcc40 brk(0x5555563fd000) = 0x5555563fd000 mprotect(0x7fc4ee255000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4999 attached , child_tidptr=0x5555563db5d0) = 4999 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 5000 attached [pid 4998] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5000 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] set_robust_list(0x5555563db5e0, 24 [pid 4999] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5001 attached [pid 4998] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5001 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] set_robust_list(0x5555563db5e0, 24 [pid 5000] <... set_robust_list resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5002 attached [pid 4998] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5002 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... openat resumed>) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5003 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4999] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5001] <... set_robust_list resumed>) = 0 [pid 5002] set_robust_list(0x5555563db5e0, 24 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5003 attached [pid 5002] <... set_robust_list resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5005 ./strace-static-x86_64: Process 5004 attached [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] close(3 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... close resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5007 [pid 5002] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5008 [pid 5004] set_robust_list(0x5555563db5e0, 24 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5009 ./strace-static-x86_64: Process 5005 attached [pid 5004] <... set_robust_list resumed>) = 0 [pid 5003] set_robust_list(0x5555563db5e0, 24 [pid 4998] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5004 [pid 5003] <... set_robust_list resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5005] set_robust_list(0x5555563db5e0, 24 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5009 attached ./strace-static-x86_64: Process 5008 attached ./strace-static-x86_64: Process 5007 attached [pid 5005] <... set_robust_list resumed>) = 0 [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5009] set_robust_list(0x5555563db5e0, 24 [pid 5008] set_robust_list(0x5555563db5e0, 24 [pid 5005] <... prctl resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5007] set_robust_list(0x5555563db5e0, 24 [pid 5009] <... set_robust_list resumed>) = 0 [pid 5008] <... set_robust_list resumed>) = 0 [pid 5005] setpgid(0, 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... set_robust_list resumed>) = 0 [pid 5005] <... setpgid resumed>) = 0 [pid 5004] close(3 [pid 5003] <... close resumed>) = 0 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... prctl resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... prctl resumed>) = 0 [pid 5008] setpgid(0, 0 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] setpgid(0, 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5010 [pid 5009] <... setpgid resumed>) = 0 [pid 5008] <... setpgid resumed>) = 0 [pid 5007] <... prctl resumed>) = 0 [pid 5005] write(3, "1000", 4 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... write resumed>) = 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5011 [pid 5007] setpgid(0, 0 [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... openat resumed>) = 3 [pid 5005] close(3 [pid 5009] <... openat resumed>) = 3 [pid 5008] write(3, "1000", 4 [pid 5007] <... setpgid resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5009] write(3, "1000", 4 [pid 5008] <... write resumed>) = 4 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... write resumed>) = 4 [pid 5008] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... futex resumed>) = 0 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] write(3, "1000", 4 [pid 5005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5011 attached [pid 5009] <... close resumed>) = 0 [pid 5008] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... write resumed>) = 4 [pid 5005] <... mmap resumed>) = 0x7fc4ee163000 [pid 5011] set_robust_list(0x5555563db5e0, 24 [pid 5009] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 0 [pid 5007] close(3 [pid 5005] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5010 attached [pid 5011] <... set_robust_list resumed>) = 0 [pid 5009] <... futex resumed>) = 0 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... close resumed>) = 0 [pid 5005] <... mprotect resumed>) = 0 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] set_robust_list(0x5555563db5e0, 24 [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] <... mmap resumed>) = 0x7fc4ee163000 [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... set_robust_list resumed>) = 0 [pid 5009] <... mmap resumed>) = 0x7fc4ee163000 [pid 5011] <... prctl resumed>) = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5008] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... futex resumed>) = 0 [pid 5010] <... prctl resumed>) = 0 [pid 5009] <... mprotect resumed>) = 0 [pid 5005] <... clone resumed>, parent_tid=[5012], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5012 [pid 5011] setpgid(0, 0 [pid 5010] setpgid(0, 0 [pid 5009] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... mprotect resumed>) = 0 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... setpgid resumed>) = 0 [pid 5008] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... futex resumed>) = 0 [pid 5007] <... mmap resumed>) = 0x7fc4ee163000 [pid 5011] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5012 attached [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... clone resumed>, parent_tid=[5013], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5013 [pid 5007] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5005] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] set_robust_list(0x7fc4ee1839e0, 24 [pid 5011] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... clone resumed>, parent_tid=[5015], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5015 [pid 5007] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5013 attached [pid 5012] <... set_robust_list resumed>) = 0 [pid 5011] write(3, "1000", 4 [pid 5010] write(3, "1000", 4 [pid 5009] <... futex resumed>) = 0 [pid 5008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5013] set_robust_list(0x7fc4ee1839e0, 24 [pid 5012] memfd_create("syzkaller", 0 [pid 5011] <... write resumed>) = 4 [pid 5010] <... write resumed>) = 4 [pid 5009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5008] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5015 attached [pid 5013] <... set_robust_list resumed>) = 0 [pid 5011] close(3 [pid 5010] close(3 [pid 5008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5015] set_robust_list(0x7fc4ee1839e0, 24 [pid 5013] memfd_create("syzkaller", 0 [pid 5011] <... close resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5007] <... clone resumed>, parent_tid=[5016], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5016 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5013] <... memfd_create resumed>) = 3 [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] memfd_create("syzkaller", 0 [pid 5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5016 attached [pid 5015] <... memfd_create resumed>) = 3 [pid 5013] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5016] set_robust_list(0x7fc4ee1839e0, 24 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5011] <... mmap resumed>) = 0x7fc4ee163000 [pid 5010] <... mmap resumed>) = 0x7fc4ee163000 [pid 5016] <... set_robust_list resumed>) = 0 [pid 5015] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5010] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5016] memfd_create("syzkaller", 0 [pid 5013] <... write resumed>) = 262144 [pid 5011] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... mprotect resumed>) = 0 [pid 5016] <... memfd_create resumed>) = 3 [pid 5010] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5013] munmap(0x7fc4e5d63000, 262144 [pid 5011] <... mprotect resumed>) = 0 [pid 5010] <... clone resumed>, parent_tid=[5017], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5017 [pid 5016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5013] <... munmap resumed>) = 0 [pid 5011] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5018 attached [pid 5016] <... write resumed>) = 262144 [pid 5015] <... write resumed>) = 262144 [pid 5013] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5010] <... futex resumed>) = 0 [pid 5018] set_robust_list(0x7fc4ee1839e0, 24 [pid 5016] munmap(0x7fc4e5d63000, 262144 [pid 5015] munmap(0x7fc4e5d63000, 262144 [pid 5013] <... openat resumed>) = 4 [pid 5011] <... clone resumed>, parent_tid=[5018], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5018 [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5017 attached [pid 5018] <... set_robust_list resumed>) = 0 [pid 5016] <... munmap resumed>) = 0 [pid 5015] <... munmap resumed>) = 0 [pid 5013] ioctl(4, LOOP_SET_FD, 3 [pid 5011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] set_robust_list(0x7fc4ee1839e0, 24 [pid 5016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5015] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5017] <... set_robust_list resumed>) = 0 [pid 5016] <... openat resumed>) = 4 [pid 5017] memfd_create("syzkaller", 0 [pid 5016] ioctl(4, LOOP_SET_FD, 3 [pid 5018] memfd_create("syzkaller", 0 [pid 5017] <... memfd_create resumed>) = 3 [pid 5015] <... openat resumed>) = 4 [pid 5013] <... ioctl resumed>) = 0 [pid 5011] <... futex resumed>) = 0 [pid 5018] <... memfd_create resumed>) = 3 [pid 5017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5015] ioctl(4, LOOP_SET_FD, 3 [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} syzkaller login: [ 42.631850][ T5012] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5012 'syz-executor197' [ 42.665971][ T5013] loop3: detected capacity change from 0 to 512 [ 42.667540][ T5016] loop1: detected capacity change from 0 to 512 [pid 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5017] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5012] <... memfd_create resumed>) = 3 [pid 5017] <... write resumed>) = 262144 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5017] munmap(0x7fc4e5d63000, 262144 [pid 5018] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5017] <... munmap resumed>) = 0 [pid 5012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5017] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5017] <... openat resumed>) = 4 [pid 5013] close(3 [pid 5017] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... write resumed>) = 262144 [pid 5015] <... ioctl resumed>) = 0 [pid 5013] <... close resumed>) = 0 [pid 5018] munmap(0x7fc4e5d63000, 262144 [pid 5015] close(3 [pid 5013] mkdir("./file0", 0777 [pid 5012] <... write resumed>) = 262144 [pid 5018] <... munmap resumed>) = 0 [pid 5012] munmap(0x7fc4e5d63000, 262144 [pid 5018] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5015] <... close resumed>) = 0 [pid 5013] <... mkdir resumed>) = 0 [pid 5012] <... munmap resumed>) = 0 [pid 5018] <... openat resumed>) = 4 [pid 5015] mkdir("./file0", 0777 [pid 5013] mount("/dev/loop3", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"... [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5018] ioctl(4, LOOP_SET_FD, 3 [pid 5015] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... openat resumed>) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... ioctl resumed>) = 0 [pid 5017] <... ioctl resumed>) = 0 [pid 5016] <... ioctl resumed>) = 0 [pid 5015] mount("/dev/loop2", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"... [pid 5012] <... ioctl resumed>) = 0 [pid 5018] close(3 [pid 5016] close(3 [pid 5012] close(3 [pid 5018] <... close resumed>) = 0 [pid 5016] <... close resumed>) = 0 [pid 5012] <... close resumed>) = 0 [pid 5018] mkdir("./file0", 0777 [pid 5016] mkdir("./file0", 0777 [pid 5012] mkdir("./file0", 0777 [pid 5018] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5016] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5012] <... mkdir resumed>) = -1 EEXIST (File exists) [ 42.680925][ T5015] loop2: detected capacity change from 0 to 512 [ 42.693493][ T5017] loop4: detected capacity change from 0 to 512 [ 42.708059][ T5012] loop0: detected capacity change from 0 to 512 [ 42.708410][ T5018] loop5: detected capacity change from 0 to 512 [pid 5018] mount("/dev/loop5", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"... [pid 5016] mount("/dev/loop1", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"... [pid 5017] close(3) = 0 [pid 5017] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5017] mount("/dev/loop4", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"... [ 42.731864][ T5013] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.740717][ T5015] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.743980][ T5013] EXT4-fs (loop3): orphan cleanup on readonly fs [ 42.756760][ T5015] EXT4-fs (loop2): orphan cleanup on readonly fs [ 42.760750][ T5018] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.764976][ T5012] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.771678][ T5016] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.784893][ T5012] EXT4-fs (loop0): orphan cleanup on readonly fs [ 42.787868][ T5017] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.796662][ T5018] EXT4-fs (loop5): orphan cleanup on readonly fs [ 42.802663][ T5016] EXT4-fs (loop1): orphan cleanup on readonly fs [ 42.810201][ T5017] EXT4-fs (loop4): orphan cleanup on readonly fs [ 42.825107][ T5013] Quota error (device loop3): do_check_range: Getting block 196613 out of range 1-5 [ 42.825408][ T5016] Quota error (device loop1): do_check_range: Getting block 196613 out of range 1-5 [ 42.835432][ T5013] Quota error (device loop3): qtree_read_dquot: Can't read quota structure for id 0 [ 42.844534][ T5016] Quota error (device loop1): qtree_read_dquot: Can't read quota structure for id 0 [ 42.854366][ T5015] Quota error (device loop2): do_check_range: Getting block 196613 out of range 1-5 [ 42.872867][ T5012] Quota error (device loop0): do_check_range: Getting block 196613 out of range 1-5 [ 42.875022][ T5013] EXT4-fs (loop3): 1 truncate cleaned up [ 42.882318][ T5012] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0 [ 42.888154][ T5018] Quota error (device loop5): do_check_range: Getting block 196613 out of range 1-5 [ 42.907921][ T5012] EXT4-fs (loop0): 1 truncate cleaned up [ 42.909682][ T5017] Quota error (device loop4): do_check_range: Getting block 196613 out of range 1-5 [ 42.922309][ T5015] Quota error (device loop2): qtree_read_dquot: Can't read quota structure for id 0 [pid 5012] mount("/dev/loop0", "./file0", "ext4", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS, "errors=remount-ro,noblock_validity,nolazytime,barrier=0x000000007fff0038,data_err=abort,resgid=0x000"...) = 0 [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5012] chdir("./file0") = 0 [pid 5012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] close(4) = 0 [pid 5012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5005] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [pid 5012] fspick(AT_FDCWD, ".", 0) = 4 [pid 5012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5005] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [ 42.932399][ T5016] EXT4-fs (loop1): 1 truncate cleaned up [ 42.941233][ T5018] EXT4-fs (loop5): 1 truncate cleaned up [ 42.947167][ T5012] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [ 42.948707][ T5015] EXT4-fs (loop2): 1 truncate cleaned up [ 42.959555][ T5013] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [pid 5012] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5016] <... mount resumed>) = 0 [pid 5013] <... mount resumed>) = 0 [pid 5016] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5013] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5016] <... openat resumed>) = 3 [pid 5013] <... openat resumed>) = 3 [pid 5016] chdir("./file0" [pid 5013] chdir("./file0" [pid 5016] <... chdir resumed>) = 0 [pid 5013] <... chdir resumed>) = 0 [pid 5016] ioctl(4, LOOP_CLR_FD [pid 5013] ioctl(4, LOOP_CLR_FD [pid 5016] <... ioctl resumed>) = 0 [pid 5013] <... ioctl resumed>) = 0 [pid 5016] close(4 [pid 5013] close(4 [pid 5016] <... close resumed>) = 0 [pid 5013] <... close resumed>) = 0 [pid 5016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = 1 [pid 5013] <... futex resumed>) = 1 [pid 5016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = 0 [pid 5009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 1 [pid 5016] fspick(AT_FDCWD, ".", 0 [pid 5013] <... futex resumed>) = 0 [pid 5009] <... futex resumed>) = 1 [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] fspick(AT_FDCWD, ".", 0) = 4 [pid 5013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] <... mount resumed>) = 0 [pid 5016] <... fspick resumed>) = 4 [pid 5015] <... mount resumed>) = 0 [pid 5009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... openat resumed>) = 3 [pid 5016] <... futex resumed>) = 1 [pid 5015] <... openat resumed>) = 3 [pid 5005] <... futex resumed>) = 0 [pid 5018] chdir("./file0" [pid 5016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] chdir("./file0" [pid 5009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] <... futex resumed>) = 0 [pid 5005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5018] <... chdir resumed>) = 0 [pid 5015] <... chdir resumed>) = 0 [pid 5005] <... mmap resumed>) = 0x7fc4e5d82000 [pid 5018] ioctl(4, LOOP_CLR_FD [pid 5015] ioctl(4, LOOP_CLR_FD [pid 5005] mprotect(0x7fc4e5d83000, 131072, PROT_READ|PROT_WRITE [pid 5018] <... ioctl resumed>) = 0 [pid 5015] <... ioctl resumed>) = 0 [pid 5005] <... mprotect resumed>) = 0 [pid 5018] close(4 [pid 5015] close(4 [pid 5005] clone(child_stack=0x7fc4e5da23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5018] <... close resumed>) = 0 [pid 5015] <... close resumed>) = 0 [pid 5018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... clone resumed>, parent_tid=[5026], tls=0x7fc4e5da2700, child_tidptr=0x7fc4e5da29d0) = 5026 [pid 5018] <... futex resumed>) = 1 [pid 5015] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5005] futex(0x7fc4ee25b7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5005] futex(0x7fc4ee25b7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... futex resumed>) = 1 [pid 5016] <... futex resumed>) = 0 [pid 5018] fspick(AT_FDCWD, ".", 0 [pid 5015] fspick(AT_FDCWD, ".", 0 [pid 5013] <... futex resumed>) = 0 [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... futex resumed>) = 1 [pid 5008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] <... fspick resumed>) = 4 [pid 5015] <... fspick resumed>) = 4 [pid 5018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = 1 [pid 5016] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5015] <... futex resumed>) = 1 [pid 5013] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5011] <... futex resumed>) = 0 [pid 5009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = 0 [ 42.973318][ T5012] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 42.985952][ T5016] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [ 42.986669][ T5015] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [ 43.011416][ T5018] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [ 43.018261][ T5017] EXT4-fs (loop4): 1 truncate cleaned up [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5018] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5018] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5015] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x7fc4e5da29e0, 24) = 0 [pid 5026] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5012] <... fsconfig resumed>) = 0 [pid 5012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5026] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5026] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5005] <... futex resumed>) = 0 [pid 5026] futex(0x7fc4ee25b7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5005] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 0 [pid 5012] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL) = -1 EBADF (Bad file descriptor) [pid 5012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5005] exit_group(0 [pid 5026] <... futex resumed>) = ? [pid 5005] <... exit_group resumed>) = ? [pid 5026] +++ exited with 0 +++ [pid 5012] <... futex resumed>) = ? [ 43.047912][ T5016] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 43.057847][ T5018] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 43.067742][ T5012] EXT4-fs (loop0): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [ 43.079078][ T5017] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. [pid 5012] +++ exited with 0 +++ [pid 5005] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5005, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 4999] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5017] <... mount resumed>) = 0 [pid 5016] <... fsconfig resumed>) = 0 [pid 5009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = 1 [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] <... mmap resumed>) = 0x7fc4e5d82000 [pid 5007] <... futex resumed>) = 0 [pid 5016] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5009] mprotect(0x7fc4e5d83000, 131072, PROT_READ|PROT_WRITE [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5009] <... mprotect resumed>) = 0 [pid 5016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] clone(child_stack=0x7fc4e5da23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5016] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 0 [pid 5016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] <... clone resumed>, parent_tid=[5031], tls=0x7fc4e5da2700, child_tidptr=0x7fc4e5da29d0) = 5031 [pid 5007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] futex(0x7fc4ee25b7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5016] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] <... quotactl_fd resumed>) = -1 EBADF (Bad file descriptor) [pid 5009] futex(0x7fc4ee25b7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5016] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 0 [pid 5017] <... openat resumed>) = 3 [pid 5016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] exit_group(0 [pid 5017] chdir("./file0" [pid 5016] <... futex resumed>) = ? [pid 5007] <... exit_group resumed>) = ? [pid 5017] <... chdir resumed>) = 0 [pid 5016] +++ exited with 0 +++ [pid 5007] +++ exited with 0 +++ [pid 5017] ioctl(4, LOOP_CLR_FD) = 0 [pid 5017] close(4./strace-static-x86_64: Process 5031 attached [pid 5018] <... fsconfig resumed>) = 0 [pid 5017] <... close resumed>) = 0 [pid 5011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5031] set_robust_list(0x7fc4e5da29e0, 24 [pid 5018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5031] <... set_robust_list resumed>) = 0 [pid 5018] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4999] <... openat resumed>) = 3 [pid 5031] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5018] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5017] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5031] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5018] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5010] <... futex resumed>) = 0 [pid 5010] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] <... fsconfig resumed>) = 0 [pid 5013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... futex resumed>) = 0 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5008] <... mmap resumed>) = 0x7fc4e5d82000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] close(3 [pid 5031] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] mprotect(0x7fc4e5d83000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = 0 [pid 5008] <... mprotect resumed>) = 0 [pid 5031] <... futex resumed>) = 1 [pid 5009] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] futex(0x7fc4ee25b7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] clone(child_stack=0x7fc4e5da23f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... ioctl resumed>) = 0 [pid 5009] <... futex resumed>) = 1 [pid 5009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] close(3./strace-static-x86_64: Process 5033 attached [pid 5018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... fsconfig resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5032 [pid 5013] <... futex resumed>) = 0 [pid 5013] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL) = -1 EBADF (Bad file descriptor) [pid 5013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = 0 [pid 5009] exit_group(0 [pid 5031] <... futex resumed>) = ? [pid 5009] <... exit_group resumed>) = ? [pid 5031] +++ exited with 0 +++ [pid 5013] <... futex resumed>) = ? [pid 5033] set_robust_list(0x7fc4e5da29e0, 24 [pid 5018] <... futex resumed>) = 1 [pid 5017] fspick(AT_FDCWD, ".", 0 [pid 5015] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] +++ exited with 0 +++ [pid 5011] <... futex resumed>) = 0 [pid 5009] +++ exited with 0 +++ [pid 5008] <... clone resumed>, parent_tid=[5033], tls=0x7fc4e5da2700, child_tidptr=0x7fc4e5da29d0) = 5033 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5032 attached [pid 5032] set_robust_list(0x5555563db5e0, 24 [pid 5018] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... set_robust_list resumed>) = 0 [pid 5032] <... set_robust_list resumed>) = 0 [pid 5017] <... fspick resumed>) = 4 [pid 5011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] futex(0x7fc4ee25b7b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5033] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5018] <... futex resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5034 [pid 5018] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5015] <... futex resumed>) = 0 [pid 5018] <... quotactl_fd resumed>) = -1 EBADF (Bad file descriptor) [pid 5018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... prctl resumed>) = 0 [pid 5032] setpgid(0, 0) = 0 [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5017] <... futex resumed>) = 1 [pid 5033] futex(0x7fc4ee25b7bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... futex resumed>) = 0 [pid 5008] futex(0x7fc4ee25b7bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... futex resumed>) = 0 [pid 5017] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] exit_group(0 [pid 5010] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] futex(0x7fc4ee25b7b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] <... futex resumed>) = ? [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... exit_group resumed>) = ? [pid 5010] <... futex resumed>) = 0 [pid 5008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5034 attached [pid 5032] <... openat resumed>) = 3 [pid 5018] +++ exited with 0 +++ [pid 5017] fsconfig(4, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [ 43.091521][ T5016] EXT4-fs (loop3): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [ 43.102503][ T5018] EXT4-fs (loop2): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [ 43.113092][ T5013] EXT4-fs (loop3): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [ 43.123752][ T5015] EXT4-fs (loop2): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [pid 5015] <... futex resumed>) = 0 [pid 5011] +++ exited with 0 +++ [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = 1 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5034] set_robust_list(0x5555563db5e0, 24 [pid 5032] write(3, "1000", 4 [pid 5015] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5002] <... openat resumed>) = 3 [pid 5034] <... set_robust_list resumed>) = 0 [pid 5032] <... write resumed>) = 4 [pid 5015] <... quotactl_fd resumed>) = -1 EBADF (Bad file descriptor) [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] close(3 [pid 5015] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5034] <... prctl resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5015] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] close(3 [pid 5034] setpgid(0, 0 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] exit_group(0 [pid 5004] <... openat resumed>) = 3 [pid 5034] <... setpgid resumed>) = 0 [pid 5033] <... futex resumed>) = ? [pid 5032] <... futex resumed>) = 0 [pid 5015] <... futex resumed>) = ? [pid 5008] <... exit_group resumed>) = ? [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] <... close resumed>) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] +++ exited with 0 +++ [pid 5032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5015] +++ exited with 0 +++ [pid 5008] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5034] <... openat resumed>) = 3 [pid 5032] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5034] write(3, "1000", 4 [pid 5032] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5036 [pid 5034] <... write resumed>) = 4 [pid 5032] <... mprotect resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5034] close(3 [pid 5032] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5034] <... close resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5037 [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... clone resumed>, parent_tid=[5038], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5038 [pid 5034] <... futex resumed>) = 0 [pid 5032] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5038 attached [pid 5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5034] <... mmap resumed>) = 0x7fc4ee163000 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5037 attached ./strace-static-x86_64: Process 5036 attached [pid 5038] set_robust_list(0x7fc4ee1839e0, 24 [pid 5034] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5017] <... fsconfig resumed>) = 0 [pid 5038] <... set_robust_list resumed>) = 0 [pid 5037] set_robust_list(0x5555563db5e0, 24 [pid 5036] set_robust_list(0x5555563db5e0, 24 [pid 5001] <... ioctl resumed>) = 0 [pid 5038] memfd_create("syzkaller", 0 [pid 5037] <... set_robust_list resumed>) = 0 [pid 5036] <... set_robust_list resumed>) = 0 [pid 5034] <... mprotect resumed>) = 0 [pid 5017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5038] <... memfd_create resumed>) = 3 [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5034] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5037] <... prctl resumed>) = 0 [pid 5036] <... prctl resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5038] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5037] setpgid(0, 0 [pid 5036] setpgid(0, 0 [pid 5017] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5037] <... setpgid resumed>) = 0 [pid 5036] <... setpgid resumed>) = 0 [pid 5034] <... clone resumed>, parent_tid=[5039], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5039 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... futex resumed>) = 0 [pid 5038] <... write resumed>) = 262144 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] munmap(0x7fc4e5d63000, 262144 [pid 5037] <... openat resumed>) = 3 [pid 5036] <... openat resumed>) = 3 [pid 5034] <... futex resumed>) = 0 [pid 5017] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5038] <... munmap resumed>) = 0 [pid 5037] write(3, "1000", 4 [pid 5036] write(3, "1000", 4 [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5040 [pid 5038] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5037] <... write resumed>) = 4 [pid 5036] <... write resumed>) = 4 [pid 5017] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5038] <... openat resumed>) = 4 [pid 5037] close(3 [pid 5036] close(3 [pid 5017] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] ioctl(4, LOOP_SET_FD, 3 [pid 5037] <... close resumed>) = 0 [pid 5036] <... close resumed>) = 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... futex resumed>) = 0 [pid 5038] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] quotactl_fd(-1, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5010] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] ioctl(4, LOOP_CLR_FD [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5017] <... quotactl_fd resumed>) = -1 EBADF (Bad file descriptor) [pid 5038] <... ioctl resumed>) = 0 [pid 5037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] <... mmap resumed>) = 0x7fc4ee163000 [pid 5036] <... mmap resumed>) = 0x7fc4ee163000 [pid 5017] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5037] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5036] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5017] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] exit_group(0 [pid 5037] <... mprotect resumed>) = 0 [pid 5036] <... mprotect resumed>) = 0 [pid 5017] <... futex resumed>) = ? [pid 5010] <... exit_group resumed>) = ? [pid 5038] ioctl(4, LOOP_SET_FD, 3 [pid 5037] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5036] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5017] +++ exited with 0 +++ [pid 5010] +++ exited with 0 +++ [pid 5038] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5038] close(4 [pid 5037] <... clone resumed>, parent_tid=[5041], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5041 [pid 5036] <... clone resumed>, parent_tid=[5042], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5042 [pid 5038] <... close resumed>) = 0 [pid 5037] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] close(3 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5038] <... close resumed>) = 0 [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5003] <... openat resumed>) = 3 [pid 5032] <... futex resumed>) = 0 [pid 5038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5038] fspick(AT_FDCWD, ".", 0 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] close(3 [pid 5038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5032] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5038] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5032] <... futex resumed>) = 0 [pid 5038] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5042 attached [pid 5038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] set_robust_list(0x7fc4ee1839e0, 24 [pid 5038] <... futex resumed>) = 0 [pid 5042] <... set_robust_list resumed>) = 0 [pid 5038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5042] memfd_create("syzkaller", 0 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5043 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5041 attached ./strace-static-x86_64: Process 5040 attached ./strace-static-x86_64: Process 5039 attached [pid 5042] <... memfd_create resumed>) = 3 [pid 5038] <... futex resumed>) = 0 [pid 5032] <... futex resumed>) = 1 [pid 5042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5041] set_robust_list(0x7fc4ee1839e0, 24 [pid 5038] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5042] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5041] <... set_robust_list resumed>) = 0 [pid 5040] set_robust_list(0x5555563db5e0, 24 [pid 5039] set_robust_list(0x7fc4ee1839e0, 24 [pid 5038] <... openat resumed>) = 3 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5041] memfd_create("syzkaller", 0 [pid 5040] <... set_robust_list resumed>) = 0 [pid 5039] <... set_robust_list resumed>) = 0 [pid 5038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... memfd_create resumed>) = 3 [pid 5038] <... futex resumed>) = 0 [ 43.156029][ T5017] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=9842c028, mo2=0002] [ 43.191588][ T5017] EXT4-fs (loop4): re-mounted 00000000-0000-0000-0000-000000000000. Quota mode: writeback. [ 43.238734][ T5038] [ 43.241067][ T5038] ====================================================== [ 43.248072][ T5038] WARNING: possible circular locking dependency detected [ 43.255077][ T5038] 6.4.0-rc1-syzkaller-00011-g1dc3731daf1f #0 Not tainted [ 43.262090][ T5038] ------------------------------------------------------ [ 43.269096][ T5038] syz-executor197/5038 is trying to acquire lock: [ 43.275503][ T5038] ffff88802b6260e0 (&type->s_umount_key#32){++++}-{3:3}, at: __do_sys_quotactl_fd+0x27e/0x3f0 [ 43.285815][ T5038] [ 43.285815][ T5038] but task is already holding lock: [ 43.293171][ T5038] ffff88802b626460 (sb_writers#4){.+.+}-{0:0}, at: __do_sys_quotactl_fd+0xd3/0x3f0 [ 43.302596][ T5038] [ 43.302596][ T5038] which lock already depends on the new lock. [ 43.302596][ T5038] [ 43.312995][ T5038] [ 43.312995][ T5038] the existing dependency chain (in reverse order) is: [ 43.322087][ T5038] [ 43.322087][ T5038] -> #1 (sb_writers#4){.+.+}-{0:0}: [ 43.329479][ T5038] write_mmp_block+0xc4/0x820 [pid 5032] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5043 attached [pid 5042] <... write resumed>) = 262144 [pid 5041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5039] memfd_create("syzkaller", 0 [pid 5038] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5032] <... futex resumed>) = 0 [pid 5043] set_robust_list(0x5555563db5e0, 24 [pid 5040] <... prctl resumed>) = 0 [pid 5039] <... memfd_create resumed>) = 3 [pid 5032] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5043] <... set_robust_list resumed>) = 0 [pid 5040] setpgid(0, 0 [pid 5039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5040] <... setpgid resumed>) = 0 [pid 5039] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5043] <... prctl resumed>) = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5043] setpgid(0, 0 [pid 5040] <... openat resumed>) = 3 [pid 5039] <... write resumed>) = 262144 [pid 5043] <... setpgid resumed>) = 0 [pid 5040] write(3, "1000", 4 [pid 5039] munmap(0x7fc4e5d63000, 262144 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] <... write resumed>) = 4 [pid 5039] <... munmap resumed>) = 0 [pid 5043] <... openat resumed>) = 3 [pid 5040] close(3 [pid 5039] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5043] write(3, "1000", 4 [pid 5040] <... close resumed>) = 0 [pid 5039] <... openat resumed>) = 4 [pid 5043] <... write resumed>) = 4 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] ioctl(4, LOOP_SET_FD, 3 [pid 5043] close(3 [pid 5040] <... futex resumed>) = 0 [pid 5039] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5043] <... close resumed>) = 0 [pid 5040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5039] ioctl(4, LOOP_CLR_FD [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... mmap resumed>) = 0x7fc4ee163000 [pid 5039] <... ioctl resumed>) = 0 [pid 5043] <... futex resumed>) = 0 [pid 5040] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5040] <... mprotect resumed>) = 0 [pid 5043] <... mmap resumed>) = 0x7fc4ee163000 [pid 5040] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5043] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5040] <... clone resumed>, parent_tid=[5044], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5044 [pid 5043] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5039] ioctl(4, LOOP_SET_FD, 3 [pid 5043] <... clone resumed>, parent_tid=[5045], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5045 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5039] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5043] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] close(4 [pid 5043] <... futex resumed>) = 0 [pid 5039] <... close resumed>) = 0 [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5039] close(3) = 0 [pid 5039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5039] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5039] fspick(AT_FDCWD, ".", 0 [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5039] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5039] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5039] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5039] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... openat resumed>) = 3 [pid 5039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5039] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5039] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5039] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5039] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] exit_group(0 [pid 5039] <... futex resumed>) = ? [pid 5034] <... exit_group resumed>) = ? [pid 5039] +++ exited with 0 +++ [pid 5034] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5044 attached [pid 5044] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5044] memfd_create("syzkaller", 0) = 3 [pid 5044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5046 [pid 5044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5044] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5044] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5044] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5044] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5046 attached [pid 5046] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4 [pid 5044] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5044] close(4) = 0 [pid 5044] close(3) = 0 [pid 5044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] <... futex resumed>) = 0 [pid 5040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5044] <... futex resumed>) = 1 [pid 5044] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5046] <... write resumed>) = 4 [pid 5046] close(3) = 0 [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5046] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5046] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5047], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5047 [pid 5046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... futex resumed>) = 0 [pid 5044] <... futex resumed>) = 1 [pid 5040] <... futex resumed>) = 0 [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5044] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5040] <... futex resumed>) = 0 [pid 5044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] <... futex resumed>) = 0 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] <... openat resumed>) = 3 [pid 5040] <... futex resumed>) = 0 [pid 5044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5044] <... futex resumed>) = 0 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5040] <... futex resumed>) = 0 [pid 5044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5044] <... futex resumed>) = 0 [pid 5040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5040] exit_group(0 [pid 5044] <... futex resumed>) = ? [pid 5040] <... exit_group resumed>) = ? [pid 5044] +++ exited with 0 +++ [pid 5040] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5040, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5047 attached [pid 5047] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5047] memfd_create("syzkaller", 0) = 3 [pid 5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5048 [pid 5047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5047] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5047] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5047] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5047] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5048 attached ) = 0 [pid 5048] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5047] ioctl(4, LOOP_SET_FD, 3 [pid 5048] <... openat resumed>) = 3 [pid 5047] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5048] write(3, "1000", 4 [pid 5047] close(4 [pid 5048] <... write resumed>) = 4 [pid 5047] <... close resumed>) = 0 [pid 5048] close(3 [pid 5047] close(3 [pid 5048] <... close resumed>) = 0 [pid 5047] <... close resumed>) = 0 [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 0 [pid 5047] <... futex resumed>) = 1 [pid 5046] <... futex resumed>) = 0 [pid 5048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5047] fspick(AT_FDCWD, ".", 0 [pid 5046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... mmap resumed>) = 0x7fc4ee163000 [pid 5047] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... futex resumed>) = 0 [pid 5048] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] <... mprotect resumed>) = 0 [pid 5047] <... futex resumed>) = 0 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5047] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5046] <... futex resumed>) = 0 [pid 5048] <... clone resumed>, parent_tid=[5049], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5049 [pid 5047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... futex resumed>) = 0 [pid 5047] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5047] <... openat resumed>) = 3 [pid 5046] <... futex resumed>) = 0 [pid 5047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] <... futex resumed>) = 0 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5046] <... futex resumed>) = 0 [pid 5047] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5046] <... futex resumed>) = 0 [pid 5047] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] exit_group(0 [pid 5047] <... futex resumed>) = ? [pid 5046] <... exit_group resumed>) = ? [pid 5047] +++ exited with 0 +++ [pid 5046] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5050 ./strace-static-x86_64: Process 5050 attached [pid 5050] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5050] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5050] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5051], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5051 [pid 5050] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5051 attached [ 43.334775][ T5038] ext4_multi_mount_protect+0x50d/0xac0 [ 43.340850][ T5038] ext4_reconfigure+0x242b/0x2b60 [ 43.346408][ T5038] reconfigure_super+0x40c/0xa30 [ 43.351882][ T5038] __do_sys_fsconfig+0xa5e/0xc50 [ 43.357352][ T5038] do_syscall_64+0x39/0xb0 [ 43.362318][ T5038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.368750][ T5038] [ 43.368750][ T5038] -> #0 (&type->s_umount_key#32){++++}-{3:3}: [ 43.377101][ T5038] __lock_acquire+0x2f21/0x5df0 [ 43.382485][ T5038] lock_acquire+0x1b1/0x520 [pid 5051] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5051] memfd_create("syzkaller", 0) = 3 [pid 5051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5051] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5051] ioctl(4, LOOP_CLR_FD) = 0 [pid 5042] munmap(0x7fc4e5d63000, 262144 [pid 5051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5051] close(4) = 0 [pid 5051] close(3) = 0 [pid 5051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] <... futex resumed>) = 1 [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5042] <... munmap resumed>) = 0 [pid 5051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5051] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5042] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] <... openat resumed>) = 4 [pid 5051] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5042] ioctl(4, LOOP_SET_FD, 3 [pid 5051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5051] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5042] ioctl(4, LOOP_CLR_FD [pid 5051] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... ioctl resumed>) = 0 [pid 5051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... openat resumed>) = 3 [pid 5051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5042] ioctl(4, LOOP_SET_FD, 3 [pid 5051] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 43.387521][ T5038] down_read+0x3d/0x50 [ 43.392205][ T5038] __do_sys_quotactl_fd+0x27e/0x3f0 [ 43.397948][ T5038] do_syscall_64+0x39/0xb0 [ 43.402914][ T5038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.409348][ T5038] [ 43.409348][ T5038] other info that might help us debug this: [ 43.409348][ T5038] [ 43.419569][ T5038] Possible unsafe locking scenario: [ 43.419569][ T5038] [ 43.427013][ T5038] CPU0 CPU1 [ 43.432377][ T5038] ---- ---- [pid 5050] <... futex resumed>) = 0 [pid 5042] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5051] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5050] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] close(4 [pid 5051] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5042] <... close resumed>) = 0 [pid 5051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] close(3 [pid 5051] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5042] <... close resumed>) = 0 [pid 5051] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] exit_group(0 [pid 5042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = ? [pid 5050] <... exit_group resumed>) = ? [pid 5042] <... futex resumed>) = 1 [pid 5051] +++ exited with 0 +++ [pid 5050] +++ exited with 0 +++ [pid 5042] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5052 ./strace-static-x86_64: Process 5052 attached [pid 5052] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] setpgid(0, 0) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5052] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5052] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5053], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5053 [pid 5052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5053 attached [pid 5053] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5053] memfd_create("syzkaller", 0) = 3 [pid 5053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [ 43.437744][ T5038] rlock(sb_writers#4); [ 43.441998][ T5038] lock(&type->s_umount_key#32); [ 43.449545][ T5038] lock(sb_writers#4); [ 43.456265][ T5038] rlock(&type->s_umount_key#32); [ 43.461392][ T5038] [ 43.461392][ T5038] *** DEADLOCK *** [ 43.461392][ T5038] [ 43.469527][ T5038] 1 lock held by syz-executor197/5038: [ 43.474987][ T5038] #0: ffff88802b626460 (sb_writers#4){.+.+}-{0:0}, at: __do_sys_quotactl_fd+0xd3/0x3f0 [ 43.484761][ T5038] [pid 5053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5053] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5053] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5053] ioctl(4, LOOP_CLR_FD) = 0 [pid 5041] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5053] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5053] close(4) = 0 [pid 5053] close(3) = 0 [pid 5041] <... write resumed>) = 262144 [pid 5053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] munmap(0x7fc4e5d63000, 262144 [pid 5053] <... futex resumed>) = 1 [pid 5052] <... futex resumed>) = 0 [pid 5041] <... munmap resumed>) = 0 [pid 5053] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... futex resumed>) = 0 [pid 5041] <... openat resumed>) = 4 [pid 5053] fspick(AT_FDCWD, ".", 0 [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5041] ioctl(4, LOOP_SET_FD, 3 [pid 5053] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] ioctl(4, LOOP_CLR_FD [pid 5053] <... futex resumed>) = 1 [pid 5052] <... futex resumed>) = 0 [pid 5041] <... ioctl resumed>) = 0 [pid 5053] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... futex resumed>) = 0 [pid 5053] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] ioctl(4, LOOP_SET_FD, 3 [pid 5053] <... futex resumed>) = 1 [pid 5052] <... futex resumed>) = 0 [pid 5041] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5053] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [ 43.484761][ T5038] stack backtrace: [ 43.490645][ T5038] CPU: 1 PID: 5038 Comm: syz-executor197 Not tainted 6.4.0-rc1-syzkaller-00011-g1dc3731daf1f #0 [ 43.501056][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 43.511105][ T5038] Call Trace: [ 43.514376][ T5038] [ 43.517306][ T5038] dump_stack_lvl+0xd9/0x150 [ 43.521910][ T5038] check_noncircular+0x25f/0x2e0 [ 43.526864][ T5038] ? print_circular_bug+0x730/0x730 [ 43.532086][ T5038] ? __lock_acquire+0x1916/0x5df0 [pid 5041] close(4 [pid 5053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... futex resumed>) = 0 [pid 5041] <... close resumed>) = 0 [pid 5053] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5041] close(3 [pid 5053] <... openat resumed>) = 3 [pid 5041] <... close resumed>) = 0 [pid 5053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 1 [pid 5052] <... futex resumed>) = 0 [pid 5041] <... futex resumed>) = 1 [pid 5053] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... futex resumed>) = 0 [pid 5053] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5052] <... futex resumed>) = 0 [pid 5053] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] exit_group(0 [pid 5053] <... futex resumed>) = ? [pid 5052] <... exit_group resumed>) = ? [pid 5053] +++ exited with 0 +++ [pid 5052] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5037] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] <... futex resumed>) = 0 [pid 5041] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 1 [pid 5036] <... futex resumed>) = 1 [pid 5032] <... exit_group resumed>) = ? [pid 5042] fspick(AT_FDCWD, ".", 0 [pid 5041] fspick(AT_FDCWD, ".", 0 [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5054 [pid 5042] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5041] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5041] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] <... openat resumed>) = 3 [pid 5041] <... openat resumed>) = 3 [pid 5042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5041] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5037] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5042] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5041] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5042] <... futex resumed>) = 1 [pid 5041] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5042] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] exit_group(0 [pid 5036] exit_group(0 [pid 5042] <... futex resumed>) = ? [pid 5041] <... futex resumed>) = ? [pid 5037] <... exit_group resumed>) = ? [pid 5036] <... exit_group resumed>) = ? [pid 5042] +++ exited with 0 +++ [pid 5041] +++ exited with 0 +++ [pid 5037] +++ exited with 0 +++ [pid 5036] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5004] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [ 43.537121][ T5038] __lock_acquire+0x2f21/0x5df0 [ 43.541998][ T5038] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 43.548075][ T5038] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 43.554069][ T5038] ? find_held_lock+0x2d/0x110 [ 43.558843][ T5038] lock_acquire+0x1b1/0x520 [ 43.563352][ T5038] ? __do_sys_quotactl_fd+0x27e/0x3f0 [ 43.568742][ T5038] ? lock_sync+0x190/0x190 [ 43.573187][ T5038] down_read+0x3d/0x50 [ 43.577271][ T5038] ? __do_sys_quotactl_fd+0x27e/0x3f0 [ 43.582660][ T5038] __do_sys_quotactl_fd+0x27e/0x3f0 [pid 5004] close(3 [pid 5002] close(3 [pid 5004] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5055 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5056 ./strace-static-x86_64: Process 5055 attached [pid 5055] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setpgid(0, 0) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1000", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5055] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5057], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5057 [pid 5055] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5057 attached [pid 5057] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5057] memfd_create("syzkaller", 0) = 3 [pid 5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5057] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5057] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5057] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5045 attached [pid 5045] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5045] memfd_create("syzkaller", 0 [pid 5057] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [ 43.587919][ T5038] do_syscall_64+0x39/0xb0 [ 43.592350][ T5038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.598257][ T5038] RIP: 0033:0x7fc4ee1d7359 [ 43.602674][ T5038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.622294][ T5038] RSP: 002b:00007fc4ee1832f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001bb [ 43.630713][ T5038] RAX: ffffffffffffffda RBX: 00007fc4ee25b7a0 RCX: 00007fc4ee1d7359 [pid 5057] close(4) = 0 [pid 5057] close(3) = 0 [pid 5057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = 0 [pid 5055] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... futex resumed>) = 1 [pid 5057] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5057] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] <... memfd_create resumed>) = 3 [pid 5057] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5057] <... futex resumed>) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... openat resumed>) = 3 [pid 5057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5045] <... write resumed>) = 262144 [pid 5057] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5055] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5056 attached ./strace-static-x86_64: Process 5054 attached ./strace-static-x86_64: Process 5049 attached [pid 5057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] exit_group(0 [pid 5045] munmap(0x7fc4e5d63000, 262144 [pid 5038] <... quotactl_fd resumed>) = ? [pid 5057] <... futex resumed>) = ? [pid 5056] set_robust_list(0x5555563db5e0, 24 [pid 5055] <... exit_group resumed>) = ? [pid 5054] set_robust_list(0x5555563db5e0, 24 [pid 5049] set_robust_list(0x7fc4ee1839e0, 24 [pid 5057] +++ exited with 0 +++ [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] +++ exited with 0 +++ [pid 5054] <... set_robust_list resumed>) = 0 [pid 5049] <... set_robust_list resumed>) = 0 [pid 5045] <... munmap resumed>) = 0 [pid 5038] +++ exited with 0 +++ [pid 5032] +++ exited with 0 +++ [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5049] memfd_create("syzkaller", 0 [pid 5056] <... prctl resumed>) = 0 [pid 5054] <... prctl resumed>) = 0 [pid 5049] <... memfd_create resumed>) = 3 [pid 5045] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5056] setpgid(0, 0 [pid 5054] setpgid(0, 0 [pid 5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] <... setpgid resumed>) = 0 [pid 5054] <... setpgid resumed>) = 0 [pid 5049] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5045] <... openat resumed>) = 4 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5032, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] <... restart_syscall resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5054] <... openat resumed>) = 3 [pid 5049] <... write resumed>) = 262144 [pid 5045] ioctl(4, LOOP_SET_FD, 3 [pid 5056] write(3, "1000", 4 [pid 5054] write(3, "1000", 4 [pid 5049] munmap(0x7fc4e5d63000, 262144 [pid 4999] <... openat resumed>) = 3 [pid 5056] <... write resumed>) = 4 [pid 5054] <... write resumed>) = 4 [pid 5049] <... munmap resumed>) = 0 [pid 5045] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5056] close(3 [pid 5054] close(3 [pid 5049] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5056] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5049] <... openat resumed>) = 4 [pid 5045] ioctl(4, LOOP_CLR_FD [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] ioctl(4, LOOP_SET_FD, 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 5056] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5049] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5045] <... ioctl resumed>) = 0 [pid 5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5049] ioctl(4, LOOP_CLR_FD [pid 5056] <... mmap resumed>) = 0x7fc4ee163000 [pid 5054] <... mmap resumed>) = 0x7fc4ee163000 [pid 5049] <... ioctl resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5056] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5054] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... mprotect resumed>) = 0 [pid 5054] <... mprotect resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5056] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5054] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5056] <... clone resumed>, parent_tid=[5058], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5058 [pid 5054] <... clone resumed>, parent_tid=[5059], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5059 [pid 5045] ioctl(4, LOOP_SET_FD, 3 [pid 5056] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5056] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5045] close(4 [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5045] <... close resumed>) = 0 [pid 5045] close(3 [pid 5049] ioctl(4, LOOP_SET_FD, 3 [pid 5045] <... close resumed>) = 0 [pid 5049] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] close(4 [pid 5045] <... futex resumed>) = 1 [pid 5043] <... futex resumed>) = 0 [pid 5049] <... close resumed>) = 0 [pid 5045] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5043] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5049] close(3 [pid 5045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5049] <... close resumed>) = 0 [pid 5045] fspick(AT_FDCWD, ".", 0 [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5060 [pid 5049] <... futex resumed>) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] <... futex resumed>) = 1 [pid 5043] <... futex resumed>) = 0 [pid 5049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5043] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] fspick(AT_FDCWD, ".", 0 [pid 5045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] <... futex resumed>) = 0 [pid 5049] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5045] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 0 [pid 5045] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... futex resumed>) = 0 [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5061 [pid 5049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] <... futex resumed>) = 1 [pid 5043] <... futex resumed>) = 0 [pid 5048] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5043] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = 1 [pid 5045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] <... futex resumed>) = 0 [pid 5049] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... openat resumed>) = 3 [pid 5049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5045] <... futex resumed>) = 1 [pid 5043] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5060 attached [pid 5049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5043] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5061 attached [pid 5049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... futex resumed>) = 0 [pid 5045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5043] <... futex resumed>) = 0 [pid 5061] set_robust_list(0x5555563db5e0, 24 [pid 5049] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5043] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... set_robust_list resumed>) = 0 [pid 5049] <... openat resumed>) = 3 [pid 5045] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... prctl resumed>) = 0 [pid 5049] <... futex resumed>) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5045] <... futex resumed>) = 1 [pid 5043] <... futex resumed>) = 0 [pid 5061] setpgid(0, 0 [pid 5049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5043] exit_group(0 [pid 5061] <... setpgid resumed>) = 0 [pid 5049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... futex resumed>) = 0 [pid 5045] <... futex resumed>) = ? [pid 5043] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5059 attached ./strace-static-x86_64: Process 5058 attached [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] set_robust_list(0x5555563db5e0, 24 [pid 5049] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5048] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] +++ exited with 0 +++ [pid 5043] +++ exited with 0 +++ [pid 5061] <... openat resumed>) = 3 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5049] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5061] write(3, "1000", 4 [pid 5049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5061] <... write resumed>) = 4 [pid 5049] <... futex resumed>) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5061] close(3 [pid 5049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] exit_group(0 [pid 5061] <... close resumed>) = 0 [pid 5049] <... futex resumed>) = ? [pid 5048] <... exit_group resumed>) = ? [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] set_robust_list(0x7fc4ee1839e0, 24 [pid 5058] set_robust_list(0x7fc4ee1839e0, 24 [pid 5049] +++ exited with 0 +++ [pid 5048] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5061] <... futex resumed>) = 0 [pid 5061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... openat resumed>) = 3 [pid 5060] <... prctl resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5061] <... mmap resumed>) = 0x7fc4ee163000 [pid 5060] setpgid(0, 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5061] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... ioctl resumed>) = 0 [pid 5060] <... setpgid resumed>) = 0 [pid 5061] <... mprotect resumed>) = 0 [pid 5003] close(3 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... close resumed>) = 0 [pid 5061] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... restart_syscall resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5061] <... clone resumed>, parent_tid=[5062], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5062 [pid 5061] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5062 attached [pid 5062] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5063 [pid 5062] memfd_create("syzkaller", 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5060] write(3, "1000", 4 [pid 5062] <... memfd_create resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5060] <... write resumed>) = 4 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] close(3 [pid 5001] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 5060] <... close resumed>) = 0 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5060] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5064 [pid 5060] <... mmap resumed>) = 0x7fc4ee163000 [pid 5060] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5060] <... mprotect resumed>) = 0 [pid 5060] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5063 attached [pid 5060] <... clone resumed>, parent_tid=[5065], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5065 [pid 5063] set_robust_list(0x5555563db5e0, 24 [pid 5058] memfd_create("syzkaller", 0 [pid 5060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... set_robust_list resumed>) = 0 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... futex resumed>) = 0 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] <... prctl resumed>) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... memfd_create resumed>) = 3 [pid 5059] memfd_create("syzkaller", 0 [pid 5058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5063] <... openat resumed>) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5059] <... memfd_create resumed>) = 3 [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5063] <... futex resumed>) = 0 [pid 5059] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5062] <... write resumed>) = 262144 [pid 5058] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5063] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5063] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5066], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5066 [pid 5063] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5062] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5065 attached [pid 5065] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5065] memfd_create("syzkaller", 0) = 3 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5062] close(4) = 0 [pid 5062] close(3) = 0 [pid 5062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 0 [pid 5061] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... futex resumed>) = 1 [pid 5062] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 0 [pid 5061] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... futex resumed>) = 1 [pid 5062] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 0 [pid 5061] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... futex resumed>) = 1 [pid 5062] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 0 [pid 5061] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... futex resumed>) = 1 [pid 5062] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL) = -1 EFAULT (Bad address) [pid 5062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 0 [pid 5061] exit_group(0) = ? [pid 5062] <... futex resumed>) = ? [pid 5062] +++ exited with 0 +++ [pid 5061] +++ exited with 0 +++ [ 43.638778][ T5038] RDX: 00000000ffffffff RSI: ffffffff80000802 RDI: 0000000000000003 [ 43.646749][ T5038] RBP: 00007fc4ee22858c R08: 0000000000000000 R09: 0000000000000000 [ 43.654718][ T5038] R10: 0000000000000000 R11: 0000000000000246 R12: 7272655f61746164 [ 43.662702][ T5038] R13: 6974797a616c6f6e R14: 0030656c69662f2e R15: 00007fc4ee25b7a8 [ 43.670679][ T5038] [pid 5065] <... write resumed>) = 262144 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] munmap(0x7fc4e5d63000, 262144 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... munmap resumed>) = 0 [pid 5004] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5066 attached [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5066] set_robust_list(0x7fc4ee1839e0, 24 [pid 5004] <... ioctl resumed>) = 0 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5066] memfd_create("syzkaller", 0 [pid 5004] close(3 [pid 5066] <... memfd_create resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5067 [pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5065] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5067 attached [pid 5066] <... write resumed>) = 262144 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5065] close(4) = 0 [pid 5065] close(3) = 0 [pid 5065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5065] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... futex resumed>) = 0 [pid 5067] set_robust_list(0x5555563db5e0, 24 [pid 5060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... write resumed>) = 262144 [pid 5060] <... futex resumed>) = 1 [pid 5065] <... futex resumed>) = 0 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... futex resumed>) = 0 [pid 5060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] <... futex resumed>) = 1 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5060] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5060] <... futex resumed>) = 0 [pid 5059] munmap(0x7fc4e5d63000, 262144 [pid 5065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... set_robust_list resumed>) = 0 [pid 5065] <... futex resumed>) = 0 [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5064 attached [pid 5067] <... prctl resumed>) = 0 [pid 5066] munmap(0x7fc4e5d63000, 262144 [pid 5065] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5060] <... futex resumed>) = 0 [pid 5067] setpgid(0, 0 [pid 5066] <... munmap resumed>) = 0 [pid 5065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] set_robust_list(0x5555563db5e0, 24 [pid 5060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... write resumed>) = 262144 [pid 5067] <... setpgid resumed>) = 0 [pid 5065] <... futex resumed>) = 0 [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] <... set_robust_list resumed>) = 0 [pid 5060] exit_group(0 [pid 5059] <... munmap resumed>) = 0 [pid 5058] munmap(0x7fc4e5d63000, 262144 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... futex resumed>) = ? [pid 5060] <... exit_group resumed>) = ? [pid 5067] write(3, "1000", 4 [pid 5066] ioctl(4, LOOP_SET_FD, 3 [pid 5065] +++ exited with 0 +++ [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] +++ exited with 0 +++ [pid 5059] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5058] <... munmap resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] <... write resumed>) = 4 [pid 5066] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... prctl resumed>) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5058] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] close(3 [pid 5066] ioctl(4, LOOP_CLR_FD [pid 5067] <... close resumed>) = 0 [pid 5066] <... ioctl resumed>) = 0 [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5067] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5064] setpgid(0, 0 [pid 5059] ioctl(4, LOOP_SET_FD, 3 [pid 5067] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5059] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... setpgid resumed>) = 0 [pid 5059] ioctl(4, LOOP_CLR_FD [pid 5058] <... openat resumed>) = 4 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5059] <... ioctl resumed>) = 0 [pid 5067] <... clone resumed>, parent_tid=[5068], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5068 [pid 5066] ioctl(4, LOOP_SET_FD, 3 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] ioctl(4, LOOP_SET_FD, 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] <... ioctl resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5066] close(4 [pid 5064] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5066] close(3 [pid 5064] write(3, "1000", 4 [pid 4999] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] <... write resumed>) = 4 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] close(3 [pid 5059] ioctl(4, LOOP_SET_FD, 3 [pid 5066] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5066] fspick(AT_FDCWD, ".", 0 [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5059] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] <... close resumed>) = 0 [pid 5063] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(4 [pid 5058] ioctl(4, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5069 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5066] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... close resumed>) = 0 [pid 5066] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... ioctl resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(3 [pid 5064] <... futex resumed>) = 0 [pid 5066] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = 3 [pid 5059] <... close resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] <... mmap resumed>) = 0x7fc4ee163000 [pid 5063] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5066] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5063] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5064] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5066] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] exit_group(0./strace-static-x86_64: Process 5069 attached [pid 5066] <... futex resumed>) = ? [pid 5063] <... exit_group resumed>) = ? [pid 5069] set_robust_list(0x5555563db5e0, 24 [pid 5066] +++ exited with 0 +++ [pid 5064] <... mprotect resumed>) = 0 [pid 5063] +++ exited with 0 +++ [pid 5059] <... futex resumed>) = 1 [pid 5054] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5068 attached [pid 5069] <... set_robust_list resumed>) = 0 [pid 5054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] set_robust_list(0x7fc4ee1839e0, 24 [pid 5064] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5059] fspick(AT_FDCWD, ".", 0 [pid 5058] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... futex resumed>) = 0 [pid 5069] <... prctl resumed>) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] setpgid(0, 0 [pid 5068] memfd_create("syzkaller", 0 [pid 5059] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5069] <... setpgid resumed>) = 0 [pid 5068] <... memfd_create resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] <... clone resumed>, parent_tid=[5070], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5070 [pid 5059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] close(4 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5064] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... futex resumed>) = 1 [pid 5054] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5069] write(3, "1000", 4 [pid 5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = 0 [pid 5059] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5058] close(3 [pid 5069] <... write resumed>) = 4 [pid 5054] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5068] <... write resumed>) = 262144 [pid 5059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... close resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] <... futex resumed>) = 1 [pid 5058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mmap resumed>) = 0x7fc4ee163000 [pid 5059] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5058] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5069] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5056] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5069] <... mprotect resumed>) = 0 [pid 5068] munmap(0x7fc4e5d63000, 262144 [pid 5056] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5070 attached [pid 5069] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5068] <... munmap resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5058] fspick(AT_FDCWD, ".", 0 [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5070] set_robust_list(0x7fc4ee1839e0, 24 [pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... clone resumed>, parent_tid=[5071], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5071 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... futex resumed>) = 0 [pid 5059] <... futex resumed>) = 1 [pid 5070] memfd_create("syzkaller", 0 [pid 5069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 5058] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... memfd_create resumed>) = 3 [pid 5069] <... futex resumed>) = 0 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... mmap resumed>) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5072 attached [pid 5068] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5059] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5059] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5058] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5072 [pid 5058] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5056] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] set_robust_list(0x5555563db5e0, 24 [pid 5070] <... write resumed>) = 262144 [pid 5058] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... futex resumed>) = 0 [pid 5068] ioctl(4, LOOP_SET_FD, 3 [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] close(4) = 0 [pid 5068] close(3 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5059] <... futex resumed>) = 0 [pid 5058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5068] fspick(AT_FDCWD, ".", 0 [pid 5067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] munmap(0x7fc4e5d63000, 262144 [pid 5068] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... futex resumed>) = 0 [pid 5068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5056] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] exit_group(0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... munmap resumed>) = 0 [pid 5068] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... futex resumed>) = 0 [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 5068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5071 attached [pid 5070] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] set_robust_list(0x7fc4ee1839e0, 24 [pid 5070] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... prctl resumed>) = 0 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] ioctl(4, LOOP_CLR_FD [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5059] <... futex resumed>) = ? [pid 5058] <... openat resumed>) = 3 [pid 5054] <... exit_group resumed>) = ? [pid 5072] setpgid(0, 0 [pid 5071] memfd_create("syzkaller", 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... memfd_create resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5068] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5068] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] +++ exited with 0 +++ [pid 5058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] +++ exited with 0 +++ [pid 5070] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5068] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] close(4 [pid 5068] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5058] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5072] write(3, "1000", 4 [pid 5070] close(3 [pid 5068] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5058] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5056] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... restart_syscall resumed>) = 0 [pid 5072] <... write resumed>) = 4 [pid 5071] <... write resumed>) = 262144 [pid 5070] <... close resumed>) = 0 [pid 5068] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] exit_group(0 [pid 5058] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5072] close(3 [pid 5070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... close resumed>) = 0 [pid 5071] munmap(0x7fc4e5d63000, 262144 [pid 5070] <... futex resumed>) = 1 [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5064] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... munmap resumed>) = 0 [pid 5070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = ? [pid 5056] <... exit_group resumed>) = ? [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] fspick(AT_FDCWD, ".", 0 [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5072] <... mmap resumed>) = 0x7fc4ee163000 [pid 5071] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5072] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5071] ioctl(4, LOOP_CLR_FD [pid 5070] <... futex resumed>) = 1 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... mprotect resumed>) = 0 [pid 5064] <... futex resumed>) = 0 [pid 5064] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5072] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5070] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5070] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 5070] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, parent_tid=[5073], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5073 [pid 5070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = 0 [pid 5064] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5071] close(4) = 0 [pid 5071] close(3 [pid 5072] <... futex resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] <... ioctl resumed>) = 0 [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5074 [pid 5071] fspick(AT_FDCWD, ".", 0 [pid 5069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] <... close resumed>) = 0 [pid 5071] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] memfd_create("syzkaller", 0 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5071] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... memfd_create resumed>) = 3 [pid 5071] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5073] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5071] <... futex resumed>) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5064] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5075 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached ./strace-static-x86_64: Process 5074 attached [pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] <... futex resumed>) = ? [pid 5069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... exit_group resumed>) = ? [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] +++ exited with 0 +++ [pid 5069] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 3 [pid 5071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... futex resumed>) = 0 [pid 5071] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] exit_group(0 [pid 5071] <... futex resumed>) = ? [pid 5069] <... exit_group resumed>) = ? [pid 5064] +++ exited with 0 +++ [pid 5071] +++ exited with 0 +++ [pid 5069] +++ exited with 0 +++ [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5076 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] set_robust_list(0x5555563db5e0, 24 [pid 5073] <... write resumed>) = 262144 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5075] <... set_robust_list resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... close resumed>) = 0 [pid 5075] <... prctl resumed>) = 0 [pid 5074] set_robust_list(0x5555563db5e0, 24 [pid 5073] munmap(0x7fc4e5d63000, 262144 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5075] setpgid(0, 0 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... munmap resumed>) = 0 [pid 5075] <... setpgid resumed>) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... prctl resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5077 [pid 4999] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5074] setpgid(0, 0 [pid 5073] <... openat resumed>) = 4 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5075] write(3, "1000", 4 [pid 5074] <... setpgid resumed>) = 0 [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5075] <... write resumed>) = 4 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 5075] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5073] ioctl(4, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... close resumed>) = 0 [pid 5074] write(3, "1000", 4 [pid 5073] <... ioctl resumed>) = 0 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... write resumed>) = 4 [pid 5075] <... futex resumed>) = 0 [pid 5074] close(3 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] <... close resumed>) = 0 [pid 5075] <... mmap resumed>) = 0x7fc4ee163000 [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5078 ./strace-static-x86_64: Process 5077 attached [pid 5075] <... mprotect resumed>) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5076 attached [pid 5077] set_robust_list(0x5555563db5e0, 24 [pid 5075] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] <... mmap resumed>) = 0x7fc4ee163000 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5074] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] set_robust_list(0x5555563db5e0, 24 [pid 5075] <... clone resumed>, parent_tid=[5079], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5079 [pid 5074] <... mprotect resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] <... prctl resumed>) = 0 [pid 5075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5073] close(4 [pid 5077] setpgid(0, 0 [pid 5075] <... futex resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5077] <... setpgid resumed>) = 0 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] <... clone resumed>, parent_tid=[5080], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5080 [pid 5073] close(3 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] <... set_robust_list resumed>) = 0 [pid 5074] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... close resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... futex resumed>) = 0 [pid 5073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] write(3, "1000", 4 [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5077] <... write resumed>) = 4 [pid 5073] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(3 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... close resumed>) = 0 [pid 5073] fspick(AT_FDCWD, ".", 0 [pid 5072] <... futex resumed>) = 0 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5079 attached [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... futex resumed>) = 0 [pid 5079] set_robust_list(0x7fc4ee1839e0, 24 [pid 5077] <... mmap resumed>) = 0x7fc4ee163000 [pid 5076] <... prctl resumed>) = 0 [pid 5073] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5077] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] memfd_create("syzkaller", 0 [pid 5077] <... mprotect resumed>) = 0 [pid 5076] setpgid(0, 0 [pid 5073] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5072] <... futex resumed>) = 0 [pid 5079] <... memfd_create resumed>) = 3 [pid 5077] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5076] <... setpgid resumed>) = 0 [pid 5073] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5077] <... clone resumed>, parent_tid=[5081], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5081 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... futex resumed>) = 0 [pid 5072] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5078 attached [pid 5077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... futex resumed>) = 0 [pid 5079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5078] set_robust_list(0x5555563db5e0, 24 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5080 attached [pid 5079] <... write resumed>) = 262144 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] write(3, "1000", 4 [pid 5073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] set_robust_list(0x7fc4ee1839e0, 24 [pid 5073] <... futex resumed>) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5073] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5072] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] memfd_create("syzkaller", 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... write resumed>) = 4 [pid 5073] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5072] <... futex resumed>) = 0 [pid 5080] <... memfd_create resumed>) = 3 [pid 5079] munmap(0x7fc4e5d63000, 262144 [pid 5073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] close(3 [pid 5078] <... prctl resumed>) = 0 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... futex resumed>) = 0 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... close resumed>) = 0 [pid 5080] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5079] <... munmap resumed>) = 0 [pid 5078] setpgid(0, 0 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] exit_group(0 [pid 5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5079] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] <... setpgid resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = ? [pid 5072] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5081 attached [pid 5080] <... write resumed>) = 262144 [pid 5079] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] +++ exited with 0 +++ [pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5080] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5072] +++ exited with 0 +++ [pid 5076] <... mmap resumed>) = 0x7fc4ee163000 [pid 5080] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5080] <... openat resumed>) = 4 [pid 5076] <... mprotect resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5079] ioctl(4, LOOP_SET_FD, 3 [pid 5003] close(3 [pid 5078] write(3, "1000", 4 [pid 5076] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... close resumed>) = 0 [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... write resumed>) = 4 [pid 5076] <... clone resumed>, parent_tid=[5082], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5082 [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] close(4 [pid 5080] ioctl(4, LOOP_CLR_FD [pid 5079] <... close resumed>) = 0 [pid 5080] <... ioctl resumed>) = 0 [pid 5079] close(3 [pid 5081] set_robust_list(0x7fc4ee1839e0, 24 [pid 5079] <... close resumed>) = 0 [pid 5078] close(3 [pid 5076] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... close resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5083 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] <... futex resumed>) = 1 [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 0 [pid 5079] fspick(AT_FDCWD, ".", 0 [pid 5078] <... futex resumed>) = 0 [pid 5075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] <... futex resumed>) = 0 [pid 5079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] memfd_create("syzkaller", 0 [pid 5079] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... mmap resumed>) = 0x7fc4ee163000 [pid 5075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] close(4 [pid 5079] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 5079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] close(3 [pid 5079] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5081] <... memfd_create resumed>) = 3 [pid 5080] <... close resumed>) = 0 [pid 5079] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5082 attached [pid 5080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 0 [pid 5082] set_robust_list(0x7fc4ee1839e0, 24 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... futex resumed>) = 1 [pid 5079] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5078] <... mprotect resumed>) = 0 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5080] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... openat resumed>) = 3 [pid 5074] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] memfd_create("syzkaller", 0 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] <... futex resumed>) = 0 [pid 5082] <... memfd_create resumed>) = 3 [pid 5080] fspick(AT_FDCWD, ".", 0 [pid 5079] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5079] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... futex resumed>) = 0 [pid 5082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5080] <... futex resumed>) = 1 [pid 5079] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5078] <... clone resumed>, parent_tid=[5084], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5084 [pid 5075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5082] <... write resumed>) = 262144 [pid 5080] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5080] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5079] <... futex resumed>) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5079] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] exit_group(0 [pid 5082] munmap(0x7fc4e5d63000, 262144 [pid 5080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = ? [pid 5075] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5083 attached [pid 5082] <... munmap resumed>) = 0 [pid 5081] <... write resumed>) = 262144 [pid 5080] <... futex resumed>) = 1 [pid 5079] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5074] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] <... openat resumed>) = 4 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5083] set_robust_list(0x5555563db5e0, 24 [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5080] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] set_robust_list(0x7fc4ee1839e0, 24 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5081] munmap(0x7fc4e5d63000, 262144 [pid 5080] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5084] <... set_robust_list resumed>) = 0 [pid 5082] ioctl(4, LOOP_CLR_FD [pid 5080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] memfd_create("syzkaller", 0 [pid 5082] <... ioctl resumed>) = 0 [pid 5080] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5084] <... memfd_create resumed>) = 3 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] <... prctl resumed>) = 0 [pid 5081] <... munmap resumed>) = 0 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5084] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5083] setpgid(0, 0 [pid 5081] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5074] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5083] <... setpgid resumed>) = 0 [pid 5080] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... close resumed>) = 0 [pid 5084] <... write resumed>) = 262144 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... openat resumed>) = 4 [pid 5080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... openat resumed>) = 3 [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5081] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5082] close(4 [pid 5080] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] exit_group(0 [pid 5083] write(3, "1000", 4 [pid 5082] <... close resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5080] <... futex resumed>) = ? [pid 5074] <... exit_group resumed>) = ? [pid 5084] munmap(0x7fc4e5d63000, 262144 [pid 5083] <... write resumed>) = 4 [pid 5082] close(3 [pid 5081] ioctl(4, LOOP_CLR_FD [pid 5080] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5085 ./strace-static-x86_64: Process 5085 attached [pid 5084] <... munmap resumed>) = 0 [pid 5083] close(3 [pid 5082] <... close resumed>) = 0 [pid 5081] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] set_robust_list(0x5555563db5e0, 24 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5083] <... close resumed>) = 0 [pid 5082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] <... openat resumed>) = 4 [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... futex resumed>) = 0 [pid 5082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... prctl resumed>) = 0 [pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5085] setpgid(0, 0 [pid 5084] ioctl(4, LOOP_CLR_FD [pid 5083] <... mmap resumed>) = 0x7fc4ee163000 [pid 5082] fspick(AT_FDCWD, ".", 0 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5085] <... setpgid resumed>) = 0 [pid 5084] <... ioctl resumed>) = 0 [pid 5083] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5081] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... mprotect resumed>) = 0 [pid 5082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... openat resumed>) = 3 [pid 5083] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... futex resumed>) = 1 [pid 5081] close(4 [pid 5076] <... futex resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... close resumed>) = 0 [pid 5076] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5085] <... openat resumed>) = 3 [pid 5083] <... clone resumed>, parent_tid=[5086], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5086 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] close(3 [pid 5076] <... futex resumed>) = 0 [pid 5085] write(3, "1000", 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5083] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5082] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5084] close(4 [pid 5082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5085] <... write resumed>) = 4 [pid 5084] <... close resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5082] <... futex resumed>) = 1 [pid 5081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5085] close(3 [pid 5084] close(3 [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 1 [pid 5082] <... openat resumed>) = 3 [pid 5081] fspick(AT_FDCWD, ".", 0 [pid 5078] <... futex resumed>) = 0 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5087 [pid 5085] <... mmap resumed>) = 0x7fc4ee163000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 1 [pid 5081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5085] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5084] fspick(AT_FDCWD, ".", 0 [pid 5082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... futex resumed>) = 1 [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5086 attached [pid 5085] <... mprotect resumed>) = 0 [pid 5084] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5087 attached [pid 5086] set_robust_list(0x7fc4ee1839e0, 24 [pid 5085] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] set_robust_list(0x5555563db5e0, 24 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5084] <... futex resumed>) = 1 [pid 5082] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5081] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5078] <... futex resumed>) = 0 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] memfd_create("syzkaller", 0 [pid 5085] <... clone resumed>, parent_tid=[5088], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5088 [pid 5084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... memfd_create resumed>) = 3 [pid 5085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 1 [pid 5081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... futex resumed>) = 1 [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... futex resumed>) = 0 [pid 5076] exit_group(0 [pid 5087] setpgid(0, 0 [pid 5086] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5084] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... futex resumed>) = ? [pid 5081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5088 attached [pid 5087] <... setpgid resumed>) = 0 [pid 5086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] +++ exited with 0 +++ [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... futex resumed>) = 0 [pid 5076] +++ exited with 0 +++ [pid 5088] set_robust_list(0x7fc4ee1839e0, 24 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] <... write resumed>) = 262144 [pid 5084] <... futex resumed>) = 1 [pid 5081] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5078] <... futex resumed>) = 0 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... openat resumed>) = 3 [pid 5086] munmap(0x7fc4e5d63000, 262144 [pid 5084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... openat resumed>) = 3 [pid 5078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] memfd_create("syzkaller", 0 [pid 5087] write(3, "1000", 4 [pid 5086] <... munmap resumed>) = 0 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5084] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... memfd_create resumed>) = 3 [pid 5087] <... write resumed>) = 4 [pid 5086] <... openat resumed>) = 4 [pid 5084] <... openat resumed>) = 3 [pid 5081] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5087] close(3 [pid 5086] ioctl(4, LOOP_SET_FD, 3 [pid 5084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5087] <... close resumed>) = 0 [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] <... futex resumed>) = 1 [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5086] ioctl(4, LOOP_CLR_FD [pid 5084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... ioctl resumed>) = 0 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... futex resumed>) = 0 [pid 5084] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] exit_group(0 [pid 5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = ? [pid 5081] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5078] <... exit_group resumed>) = ? [pid 5088] <... write resumed>) = 262144 [pid 5087] <... futex resumed>) = 0 [pid 5084] +++ exited with 0 +++ [pid 5081] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5078] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5088] munmap(0x7fc4e5d63000, 262144 [pid 5087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] ioctl(4, LOOP_SET_FD, 3 [pid 5081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5088] <... munmap resumed>) = 0 [pid 5086] close(4) = 0 [pid 5087] <... mmap resumed>) = 0x7fc4ee163000 [pid 5086] close(3 [pid 5081] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5088] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5087] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... close resumed>) = 0 [pid 5081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] exit_group(0 [pid 5004] <... ioctl resumed>) = 0 [pid 5088] <... openat resumed>) = 4 [pid 5086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... exit_group resumed>) = ? [pid 5088] ioctl(4, LOOP_SET_FD, 3 [pid 5087] <... mprotect resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = ? [pid 5004] close(3 [pid 5088] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5086] fspick(AT_FDCWD, ".", 0 [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 5088] ioctl(4, LOOP_CLR_FD [pid 5087] <... clone resumed>, parent_tid=[5089], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5089 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5088] <... ioctl resumed>) = 0 [pid 5087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5086] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... restart_syscall resumed>) = 0 [pid 5086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5090 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5088] ioctl(4, LOOP_SET_FD, 3 [pid 5086] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5088] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5088] close(4 [pid 5086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5090] set_robust_list(0x5555563db5e0, 24 [pid 5088] close(3 [pid 5086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] close(3 [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5086] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5083] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5091 [pid 4999] <... close resumed>) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... prctl resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] exit_group(0 [pid 5086] <... futex resumed>) = ? [pid 5085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... exit_group resumed>) = ? [pid 5088] fspick(AT_FDCWD, ".", 0./strace-static-x86_64: Process 5089 attached [pid 5090] setpgid(0, 0 [pid 5086] +++ exited with 0 +++ [pid 5088] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... futex resumed>) = 0 [pid 5083] +++ exited with 0 +++ [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5092 [pid 5090] <... setpgid resumed>) = 0 [pid 5089] set_robust_list(0x7fc4ee1839e0, 24 [pid 5088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5092 attached [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] <... openat resumed>) = 3 [pid 5089] memfd_create("syzkaller", 0 [pid 5088] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5092] set_robust_list(0x5555563db5e0, 24 [pid 5090] write(3, "1000", 4 [pid 5089] <... memfd_create resumed>) = 3 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5090] <... write resumed>) = 4 [pid 5088] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] close(3 [pid 5088] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5091 attached [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... close resumed>) = 0 [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5088] <... futex resumed>) = 1 [pid 5092] <... prctl resumed>) = 0 [pid 5091] set_robust_list(0x5555563db5e0, 24 [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5088] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5092] setpgid(0, 0 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5092] <... setpgid resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] <... write resumed>) = 262144 [pid 5088] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5003] <... ioctl resumed>) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5090] <... mmap resumed>) = 0x7fc4ee163000 [pid 5089] munmap(0x7fc4e5d63000, 262144 [pid 5088] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] setpgid(0, 0 [pid 5090] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5089] <... munmap resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5090] <... mprotect resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... openat resumed>) = 3 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] <... openat resumed>) = 4 [pid 5091] write(3, "1000", 4 [pid 5089] ioctl(4, LOOP_SET_FD, 3 [pid 5091] <... write resumed>) = 4 [pid 5089] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5091] close(3 [pid 5089] ioctl(4, LOOP_CLR_FD [pid 5091] <... close resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5091] <... mmap resumed>) = 0x7fc4ee163000 [pid 5091] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5092] write(3, "1000", 4 [pid 5091] <... mprotect resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5092] <... write resumed>) = 4 [pid 5091] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5090] <... clone resumed>, parent_tid=[5094], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5094 [pid 5088] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5093 [pid 5092] close(3 [pid 5090] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] ioctl(4, LOOP_SET_FD, 3 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5092] <... close resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5088] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5088] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5092] <... futex resumed>) = 0 [pid 5088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5088] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... mmap resumed>) = 0x7fc4ee163000 [pid 5091] <... clone resumed>, parent_tid=[5095], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5095 [pid 5089] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5085] exit_group(0 [pid 5092] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5091] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] close(4 [pid 5088] <... futex resumed>) = ? [pid 5085] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5093 attached [pid 5092] <... mprotect resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5089] <... close resumed>) = 0 [pid 5088] +++ exited with 0 +++ [pid 5093] set_robust_list(0x5555563db5e0, 24 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] close(3 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] <... close resumed>) = 0 [pid 5085] +++ exited with 0 +++ [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... prctl resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5095 attached [pid 5093] setpgid(0, 0 [pid 5092] <... clone resumed>, parent_tid=[5096], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5096 [pid 5089] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] set_robust_list(0x7fc4ee1839e0, 24 [pid 5093] <... setpgid resumed>) = 0 [pid 5092] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... futex resumed>) = 0 [pid 5089] fspick(AT_FDCWD, ".", 0 [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] memfd_create("syzkaller", 0 [pid 5093] <... openat resumed>) = 3 [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5094 attached [pid 5095] <... memfd_create resumed>) = 3 [pid 5093] write(3, "1000", 4 [pid 5089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5094] set_robust_list(0x7fc4ee1839e0, 24 [pid 5093] <... write resumed>) = 4 [pid 5089] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5095] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] close(3 [pid 5089] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] memfd_create("syzkaller", 0 [pid 5093] <... close resumed>) = 0 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5094] <... memfd_create resumed>) = 3 [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5093] <... futex resumed>) = 0 [pid 5089] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5094] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5093] <... mmap resumed>) = 0x7fc4ee163000 [pid 5089] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5096 attached [pid 5095] <... write resumed>) = 262144 [pid 5093] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5089] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] set_robust_list(0x7fc4ee1839e0, 24 [pid 5095] munmap(0x7fc4e5d63000, 262144 [pid 5093] <... mprotect resumed>) = 0 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5097 ./strace-static-x86_64: Process 5097 attached [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] <... munmap resumed>) = 0 [pid 5094] <... write resumed>) = 262144 [pid 5093] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5089] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] set_robust_list(0x5555563db5e0, 24 [pid 5096] memfd_create("syzkaller", 0 [pid 5095] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5094] munmap(0x7fc4e5d63000, 262144 [pid 5089] <... openat resumed>) = 3 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... memfd_create resumed>) = 3 [pid 5095] <... openat resumed>) = 4 [pid 5094] <... munmap resumed>) = 0 [pid 5093] <... clone resumed>, parent_tid=[5098], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5098 [pid 5089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5094] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5094] <... openat resumed>) = 4 [pid 5093] <... futex resumed>) = 0 [pid 5089] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] ioctl(4, LOOP_CLR_FD [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] <... futex resumed>) = 0 [pid 5094] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5089] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... ioctl resumed>) = 0 [pid 5094] ioctl(4, LOOP_CLR_FD [pid 5089] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5094] <... ioctl resumed>) = 0 [pid 5089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5087] <... futex resumed>) = 0 [pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5097] setpgid(0, 0 [pid 5089] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] exit_group(0 [pid 5089] <... futex resumed>) = ? [pid 5087] <... exit_group resumed>) = ? [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... write resumed>) = 262144 [pid 5089] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ ./strace-static-x86_64: Process 5098 attached [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] munmap(0x7fc4e5d63000, 262144 [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] set_robust_list(0x7fc4ee1839e0, 24 [pid 5097] <... openat resumed>) = 3 [pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5094] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] write(3, "1000", 4 [pid 5095] close(4 [pid 5094] close(4 [pid 5098] memfd_create("syzkaller", 0 [pid 5097] <... write resumed>) = 4 [pid 5096] <... munmap resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5094] <... close resumed>) = 0 [pid 5098] <... memfd_create resumed>) = 3 [pid 5097] close(3 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5095] close(3 [pid 5094] close(3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5097] <... close resumed>) = 0 [pid 5096] <... openat resumed>) = 4 [pid 5095] <... close resumed>) = 0 [pid 5094] <... close resumed>) = 0 [pid 5098] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] ioctl(4, LOOP_SET_FD, 3 [pid 5095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5095] <... futex resumed>) = 1 [pid 5094] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5098] <... write resumed>) = 262144 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] ioctl(4, LOOP_CLR_FD [pid 5095] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5097] <... mmap resumed>) = 0x7fc4ee163000 [pid 5096] <... ioctl resumed>) = 0 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5097] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5095] fspick(AT_FDCWD, ".", 0 [pid 5094] fspick(AT_FDCWD, ".", 0 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5098] munmap(0x7fc4e5d63000, 262144 [pid 5097] <... mprotect resumed>) = 0 [pid 5095] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5098] <... munmap resumed>) = 0 [pid 5097] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5095] <... futex resumed>) = 1 [pid 5094] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5098] <... openat resumed>) = 4 [pid 5094] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] ioctl(4, LOOP_SET_FD, 3 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] <... clone resumed>, parent_tid=[5099], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5099 [pid 5096] ioctl(4, LOOP_SET_FD, 3 [pid 5095] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5091] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] ioctl(4, LOOP_CLR_FD [pid 5097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... futex resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5096] close(4 [pid 5095] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5100 [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5096] <... close resumed>) = 0 [pid 5095] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5096] close(3 [pid 5095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5094] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... close resumed>) = 0 [pid 5095] <... futex resumed>) = 1 [pid 5094] <... openat resumed>) = 3 [pid 5091] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5100 attached [pid 5098] ioctl(4, LOOP_SET_FD, 3 [pid 5096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] set_robust_list(0x5555563db5e0, 24 [pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5096] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5099 attached [pid 5100] <... set_robust_list resumed>) = 0 [pid 5098] close(4 [pid 5096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5094] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] set_robust_list(0x7fc4ee1839e0, 24 [pid 5098] <... close resumed>) = 0 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... openat resumed>) = 3 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] close(3 [pid 5096] fspick(AT_FDCWD, ".", 0 [pid 5095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... prctl resumed>) = 0 [pid 5099] memfd_create("syzkaller", 0 [pid 5098] <... close resumed>) = 0 [pid 5096] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... futex resumed>) = 1 [pid 5094] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5091] <... futex resumed>) = 0 [pid 5100] setpgid(0, 0 [pid 5099] <... memfd_create resumed>) = 3 [pid 5098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5091] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5094] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5090] exit_group(0 [pid 5100] <... openat resumed>) = 3 [pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5094] <... futex resumed>) = ? [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5091] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... exit_group resumed>) = ? [pid 5100] write(3, "1000", 4 [pid 5099] <... write resumed>) = 262144 [pid 5098] fspick(AT_FDCWD, ".", 0 [pid 5096] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] +++ exited with 0 +++ [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] +++ exited with 0 +++ [pid 5100] <... write resumed>) = 4 [pid 5099] munmap(0x7fc4e5d63000, 262144 [pid 5098] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... futex resumed>) = 0 [pid 5091] exit_group(0 [pid 5100] close(3 [pid 5099] <... munmap resumed>) = 0 [pid 5098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... close resumed>) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5099] <... openat resumed>) = 4 [pid 5098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5099] ioctl(4, LOOP_SET_FD, 3 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 0 [pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5098] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] ioctl(4, LOOP_CLR_FD [pid 5098] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5096] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5095] +++ exited with 0 +++ [pid 5092] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] +++ exited with 0 +++ [pid 5004] <... openat resumed>) = 3 [pid 5100] <... futex resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... openat resumed>) = 3 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5100] <... mmap resumed>) = 0x7fc4ee163000 [pid 5098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5100] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] close(3 [pid 5100] <... mprotect resumed>) = 0 [pid 5099] ioctl(4, LOOP_SET_FD, 3 [pid 5098] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5100] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5098] <... openat resumed>) = 3 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5099] close(4 [pid 5098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5092] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5099] <... close resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5100] <... clone resumed>, parent_tid=[5101], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5101 [pid 5099] close(3 [pid 5098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5102 [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... close resumed>) = 0 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5102] set_robust_list(0x5555563db5e0, 24 [pid 5100] <... futex resumed>) = 0 [pid 5099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5096] <... futex resumed>) = 1 [pid 5093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 1 [pid 5098] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5097] <... futex resumed>) = 0 [pid 5096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = ? [pid 5092] <... exit_group resumed>) = ? [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5096] +++ exited with 0 +++ [pid 5093] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5103 [pid 5099] fspick(AT_FDCWD, ".", 0 [pid 5098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] exit_group(0 [pid 5102] <... prctl resumed>) = 0 [pid 5099] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5098] <... futex resumed>) = ? [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... exit_group resumed>) = ? [pid 5092] +++ exited with 0 +++ [pid 5102] setpgid(0, 0 [pid 5099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] +++ exited with 0 +++ [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5103 attached [pid 5102] <... setpgid resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5097] <... futex resumed>) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] set_robust_list(0x5555563db5e0, 24 [pid 5102] <... openat resumed>) = 3 [pid 5099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] write(3, "1000", 4 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... write resumed>) = 4 [pid 5099] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5097] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] close(3 [pid 5099] <... openat resumed>) = 3 [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5101 attached [pid 5103] <... prctl resumed>) = 0 [pid 5102] <... close resumed>) = 0 [pid 5099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5103] setpgid(0, 0 [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] set_robust_list(0x7fc4ee1839e0, 24 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5103] <... setpgid resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5099] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5097] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] close(3 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] memfd_create("syzkaller", 0 [pid 5099] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] <... openat resumed>) = 3 [pid 5102] <... mmap resumed>) = 0x7fc4ee163000 [pid 5101] <... memfd_create resumed>) = 3 [pid 5099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = 0 [pid 5103] write(3, "1000", 4 [pid 5102] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] exit_group(0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5103] <... write resumed>) = 4 [pid 5102] <... mprotect resumed>) = 0 [pid 5101] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5097] <... exit_group resumed>) = ? [pid 5003] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] close(3 [pid 5102] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5099] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5003] close(3 [pid 5103] <... close resumed>) = 0 [pid 5101] <... write resumed>) = 262144 [pid 5003] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5104 [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... clone resumed>, parent_tid=[5105], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5105 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] munmap(0x7fc4e5d63000, 262144 [pid 5102] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5106 [pid 5103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5103] <... mmap resumed>) = 0x7fc4ee163000 [pid 5103] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5101] <... munmap resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5103] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5101] <... openat resumed>) = 4 [pid 5002] <... ioctl resumed>) = 0 [pid 5103] <... clone resumed>, parent_tid=[5107], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5107 [pid 5101] ioctl(4, LOOP_SET_FD, 3 [pid 5002] close(3 [pid 5103] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... close resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5101] ioctl(4, LOOP_CLR_FD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] <... ioctl resumed>) = 0 [pid 5104] set_robust_list(0x5555563db5e0, 24) = 0 ./strace-static-x86_64: Process 5105 attached [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] set_robust_list(0x7fc4ee1839e0, 24 [pid 5104] <... prctl resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5108 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5105] memfd_create("syzkaller", 0 [pid 5104] setpgid(0, 0./strace-static-x86_64: Process 5106 attached [pid 5105] <... memfd_create resumed>) = 3 [pid 5104] <... setpgid resumed>) = 0 [pid 5101] ioctl(4, LOOP_SET_FD, 3 [pid 5106] set_robust_list(0x5555563db5e0, 24 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5108 attached [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5104] <... openat resumed>) = 3 [pid 5101] close(4 [pid 5108] set_robust_list(0x5555563db5e0, 24 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5104] write(3, "1000", 4 [pid 5101] <... close resumed>) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5106] <... prctl resumed>) = 0 [pid 5104] <... write resumed>) = 4 [pid 5101] close(3 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] setpgid(0, 0 [pid 5104] close(3 [pid 5101] <... close resumed>) = 0 [pid 5108] <... prctl resumed>) = 0 [pid 5106] <... setpgid resumed>) = 0 [pid 5104] <... close resumed>) = 0 [pid 5101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] setpgid(0, 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5108] <... setpgid resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] <... openat resumed>) = 3 [pid 5104] <... futex resumed>) = 0 [pid 5101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5107 attached [pid 5108] <... openat resumed>) = 3 [pid 5106] write(3, "1000", 4 [pid 5105] <... write resumed>) = 262144 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5108] write(3, "1000", 4 [pid 5107] set_robust_list(0x7fc4ee1839e0, 24 [pid 5106] <... write resumed>) = 4 [pid 5105] munmap(0x7fc4e5d63000, 262144 [pid 5104] <... mmap resumed>) = 0x7fc4ee163000 [pid 5101] fspick(AT_FDCWD, ".", 0 [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... write resumed>) = 4 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] close(3 [pid 5105] <... munmap resumed>) = 0 [pid 5104] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5101] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5108] close(3 [pid 5107] memfd_create("syzkaller", 0 [pid 5106] <... close resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5104] <... mprotect resumed>) = 0 [pid 5101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... close resumed>) = 0 [pid 5107] <... memfd_create resumed>) = 3 [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... openat resumed>) = 4 [pid 5104] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] ioctl(4, LOOP_SET_FD, 3 [pid 5101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 0 [pid 5107] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5104] <... clone resumed>, parent_tid=[5109], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5109 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5106] <... mmap resumed>) = 0x7fc4ee163000 [pid 5105] ioctl(4, LOOP_CLR_FD [pid 5104] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5100] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5109 attached [pid 5108] <... mmap resumed>) = 0x7fc4ee163000 [pid 5107] <... write resumed>) = 262144 [pid 5106] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5105] <... ioctl resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5101] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] set_robust_list(0x7fc4ee1839e0, 24 [pid 5108] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5107] munmap(0x7fc4e5d63000, 262144 [pid 5106] <... mprotect resumed>) = 0 [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... mprotect resumed>) = 0 [pid 5107] <... munmap resumed>) = 0 [pid 5106] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] memfd_create("syzkaller", 0 [pid 5108] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5107] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5101] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5100] <... futex resumed>) = 0 [pid 5109] <... memfd_create resumed>) = 3 [pid 5107] <... openat resumed>) = 4 [pid 5106] <... clone resumed>, parent_tid=[5110], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5110 [pid 5105] ioctl(4, LOOP_SET_FD, 3 [pid 5101] <... openat resumed>) = 3 [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5108] <... clone resumed>, parent_tid=[5111], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5111 [pid 5107] ioctl(4, LOOP_SET_FD, 3 [pid 5106] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5108] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5106] <... futex resumed>) = 0 [pid 5105] close(4 [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5107] ioctl(4, LOOP_CLR_FD [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5105] <... close resumed>) = 0 [pid 5101] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5100] <... futex resumed>) = 0 [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5107] <... ioctl resumed>) = 0 [pid 5105] close(3 [pid 5101] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5105] <... close resumed>) = 0 [pid 5101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] exit_group(0 [pid 5105] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5109] <... write resumed>) = 262144 [pid 5107] ioctl(4, LOOP_SET_FD, 3 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5102] <... futex resumed>) = 0 [pid 5101] +++ exited with 0 +++ [pid 5107] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5105] fspick(AT_FDCWD, ".", 0 [pid 5107] close(4 [pid 5105] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5110 attached [pid 5107] <... close resumed>) = 0 [pid 5105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] +++ exited with 0 +++ ./strace-static-x86_64: Process 5111 attached [pid 5110] set_robust_list(0x7fc4ee1839e0, 24 [pid 5109] munmap(0x7fc4e5d63000, 262144 [pid 5107] close(3 [pid 5105] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5111] set_robust_list(0x7fc4ee1839e0, 24 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] <... munmap resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5105] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] memfd_create("syzkaller", 0 [pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] memfd_create("syzkaller", 0 [pid 5110] <... memfd_create resumed>) = 3 [pid 5109] <... openat resumed>) = 4 [pid 5107] <... futex resumed>) = 1 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... memfd_create resumed>) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5109] ioctl(4, LOOP_SET_FD, 3 [pid 5107] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = 0 [pid 5103] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5110] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5109] ioctl(4, LOOP_CLR_FD [pid 5107] fspick(AT_FDCWD, ".", 0 [pid 5105] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5110] <... write resumed>) = 262144 [pid 5109] <... ioctl resumed>) = 0 [pid 5107] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] munmap(0x7fc4e5d63000, 262144 [pid 5107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5111] <... write resumed>) = 262144 [pid 5110] <... munmap resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5105] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5111] munmap(0x7fc4e5d63000, 262144 [pid 5110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5107] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 0 [pid 5110] <... openat resumed>) = 4 [pid 5109] ioctl(4, LOOP_SET_FD, 3 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5111] <... munmap resumed>) = 0 [pid 5110] ioctl(4, LOOP_SET_FD, 3 [pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5107] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5105] <... openat resumed>) = 3 [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5110] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] close(4 [pid 5107] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5111] <... openat resumed>) = 4 [pid 5110] ioctl(4, LOOP_CLR_FD [pid 5109] <... close resumed>) = 0 [pid 5107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5111] ioctl(4, LOOP_SET_FD, 3 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] close(3 [pid 5107] <... futex resumed>) = 1 [pid 5105] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5107] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... close resumed>) = 0 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5103] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5111] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5105] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5111] ioctl(4, LOOP_CLR_FD [pid 5109] <... futex resumed>) = 1 [pid 5107] <... openat resumed>) = 3 [pid 5105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] <... ioctl resumed>) = 0 [pid 5110] ioctl(4, LOOP_SET_FD, 3 [pid 5109] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] exit_group(0 [pid 5110] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] <... exit_group resumed>) = ? [pid 5110] close(4 [pid 5109] fspick(AT_FDCWD, ".", 0 [pid 5107] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] +++ exited with 0 +++ [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... close resumed>) = 0 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... futex resumed>) = 0 [pid 5110] close(3 [pid 5107] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5103] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... close resumed>) = 0 [pid 5109] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5102] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5112 [pid 5111] ioctl(4, LOOP_SET_FD, 3 [pid 5110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5111] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5110] <... futex resumed>) = 1 [pid 5109] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 1 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5111] close(4 [pid 5110] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] exit_group(0 [pid 5111] <... close resumed>) = 0 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = ? [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] <... exit_group resumed>) = ? [pid 5111] close(3 [pid 5110] fspick(AT_FDCWD, ".", 0 [pid 5109] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5107] +++ exited with 0 +++ [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] +++ exited with 0 +++ [pid 5110] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5112 attached [pid 5111] <... close resumed>) = 0 [pid 5110] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] set_robust_list(0x5555563db5e0, 24 [pid 5111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5104] <... futex resumed>) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5109] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5112] <... prctl resumed>) = 0 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5111] fspick(AT_FDCWD, ".", 0 [pid 5110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... futex resumed>) = 1 [pid 5109] <... openat resumed>) = 3 [pid 5106] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5112] <... openat resumed>) = 3 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5112] write(3, "1000", 4 [pid 5111] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5109] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5112] <... write resumed>) = 4 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... openat resumed>) = 3 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 5112] close(3 [pid 5111] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5111] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... futex resumed>) = 1 [pid 5109] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5106] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5113 [pid 5112] <... futex resumed>) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 1 [pid 5108] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5114 ./strace-static-x86_64: Process 5113 attached [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5111] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5109] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] exit_group(0 [pid 5113] set_robust_list(0x5555563db5e0, 24 [pid 5112] <... mmap resumed>) = 0x7fc4ee163000 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5109] <... futex resumed>) = ? [pid 5108] <... futex resumed>) = 0 [pid 5104] <... exit_group resumed>) = ? [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5111] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] +++ exited with 0 +++ [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] +++ exited with 0 +++ [pid 5112] <... mprotect resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5110] <... futex resumed>) = 1 [pid 5106] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] exit_group(0 [pid 5113] <... prctl resumed>) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = ? [pid 5108] <... futex resumed>) = 0 [pid 5106] <... exit_group resumed>) = ? [pid 5113] setpgid(0, 0 [pid 5112] <... clone resumed>, parent_tid=[5115], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5115 [pid 5111] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] +++ exited with 0 +++ [pid 5108] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5106] +++ exited with 0 +++ [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... setpgid resumed>) = 0 [pid 5108] <... futex resumed>) = 0 [pid 5111] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5108] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5114 attached [pid 5113] <... openat resumed>) = 3 [pid 5111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... restart_syscall resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5114] set_robust_list(0x5555563db5e0, 24 [pid 5113] write(3, "1000", 4 [pid 5111] <... futex resumed>) = 0 [pid 5108] exit_group(0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] <... write resumed>) = 4 [pid 5108] <... exit_group resumed>) = ? [pid 4999] <... ioctl resumed>) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] close(3 [pid 5111] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] close(3 [pid 5114] <... prctl resumed>) = 0 [pid 5108] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5115 attached [pid 5114] setpgid(0, 0 [pid 5113] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] set_robust_list(0x7fc4ee1839e0, 24 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5116 [pid 5115] memfd_create("syzkaller", 0 [pid 5114] <... openat resumed>) = 3 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... close resumed>) = 0 [pid 5115] <... memfd_create resumed>) = 3 [pid 5114] write(3, "1000", 4 [pid 5113] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5114] <... write resumed>) = 4 [pid 5113] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5116 attached [pid 5115] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5114] close(3 [pid 5113] <... mprotect resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5117 [pid 5002] <... openat resumed>) = 3 [pid 5114] <... close resumed>) = 0 [pid 5113] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... clone resumed>, parent_tid=[5118], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5118 [pid 5002] close(3 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5114] <... mmap resumed>) = 0x7fc4ee163000 [pid 5113] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] set_robust_list(0x5555563db5e0, 24 [pid 5115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5114] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5114] <... mprotect resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5119 [pid 5114] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... write resumed>) = 262144 [pid 5114] <... clone resumed>, parent_tid=[5120], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5120 [pid 5114] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5119 attached ./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x5555563db5e0, 24 [pid 5119] set_robust_list(0x5555563db5e0, 24 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] setpgid(0, 0 [pid 5117] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5120 attached [pid 5119] <... setpgid resumed>) = 0 [pid 5117] setpgid(0, 0 [pid 5120] set_robust_list(0x7fc4ee1839e0, 24 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] <... setpgid resumed>) = 0 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5118 attached [pid 5120] memfd_create("syzkaller", 0 [pid 5119] write(3, "1000", 4 [pid 5117] <... openat resumed>) = 3 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] munmap(0x7fc4e5d63000, 262144 [pid 5120] <... memfd_create resumed>) = 3 [pid 5119] <... write resumed>) = 4 [pid 5118] set_robust_list(0x7fc4ee1839e0, 24 [pid 5117] write(3, "1000", 4 [pid 5116] <... prctl resumed>) = 0 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5119] close(3 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] <... write resumed>) = 4 [pid 5116] setpgid(0, 0 [pid 5115] <... munmap resumed>) = 0 [pid 5120] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5119] <... close resumed>) = 0 [pid 5118] memfd_create("syzkaller", 0 [pid 5117] close(3 [pid 5116] <... setpgid resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... memfd_create resumed>) = 3 [pid 5117] <... close resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] <... openat resumed>) = 4 [pid 5119] <... futex resumed>) = 0 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... openat resumed>) = 3 [pid 5115] ioctl(4, LOOP_SET_FD, 3 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5117] <... futex resumed>) = 0 [pid 5116] write(3, "1000", 4 [pid 5115] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5119] <... mmap resumed>) = 0x7fc4ee163000 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] <... write resumed>) = 262144 [pid 5119] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5117] <... mmap resumed>) = 0x7fc4ee163000 [pid 5119] <... mprotect resumed>) = 0 [pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5117] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5116] <... write resumed>) = 4 [pid 5115] ioctl(4, LOOP_CLR_FD [pid 5120] munmap(0x7fc4e5d63000, 262144 [pid 5119] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5117] <... mprotect resumed>) = 0 [pid 5120] <... munmap resumed>) = 0 [pid 5118] <... write resumed>) = 262144 [pid 5117] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5116] close(3 [pid 5115] <... ioctl resumed>) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5119] <... clone resumed>, parent_tid=[5121], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5121 [pid 5118] munmap(0x7fc4e5d63000, 262144 [pid 5116] <... close resumed>) = 0 [pid 5120] <... openat resumed>) = 4 [pid 5119] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... clone resumed>, parent_tid=[5122], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5122 [pid 5120] ioctl(4, LOOP_SET_FD, 3 [pid 5119] <... futex resumed>) = 0 [pid 5118] <... munmap resumed>) = 0 [pid 5117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5118] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5120] ioctl(4, LOOP_CLR_FD [pid 5118] <... openat resumed>) = 4 [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] <... ioctl resumed>) = 0 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5116] <... mmap resumed>) = 0x7fc4ee163000 [pid 5115] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5121 attached [pid 5118] ioctl(4, LOOP_CLR_FD [pid 5116] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5115] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5121] set_robust_list(0x7fc4ee1839e0, 24 [pid 5118] <... ioctl resumed>) = 0 [pid 5116] <... mprotect resumed>) = 0 [pid 5115] close(4 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5116] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5115] <... close resumed>) = 0 ./strace-static-x86_64: Process 5122 attached [pid 5115] close(3 [pid 5122] set_robust_list(0x7fc4ee1839e0, 24 [pid 5121] memfd_create("syzkaller", 0 [pid 5116] <... clone resumed>, parent_tid=[5123], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5123 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5120] ioctl(4, LOOP_SET_FD, 3 [pid 5122] memfd_create("syzkaller", 0 [pid 5121] <... memfd_create resumed>) = 3 [pid 5120] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5116] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... close resumed>) = 0 [pid 5122] <... memfd_create resumed>) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5120] close(4 [pid 5118] ioctl(4, LOOP_SET_FD, 3 [pid 5116] <... futex resumed>) = 0 [pid 5115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5121] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5120] <... close resumed>) = 0 [pid 5118] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] <... futex resumed>) = 1 [pid 5112] <... futex resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5120] close(3 [pid 5118] close(4 [pid 5115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5123 attached [pid 5122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5120] <... close resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... futex resumed>) = 0 [pid 5123] set_robust_list(0x7fc4ee1839e0, 24 [pid 5122] <... write resumed>) = 262144 [pid 5121] <... write resumed>) = 262144 [pid 5120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] close(3 [pid 5115] fspick(AT_FDCWD, ".", 0 [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... set_robust_list resumed>) = 0 [pid 5121] munmap(0x7fc4e5d63000, 262144 [pid 5120] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5120] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... close resumed>) = 0 [pid 5115] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5114] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] memfd_create("syzkaller", 0 [pid 5122] munmap(0x7fc4e5d63000, 262144 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5123] <... memfd_create resumed>) = 3 [pid 5121] <... munmap resumed>) = 0 [pid 5120] fspick(AT_FDCWD, ".", 0 [pid 5118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5122] <... munmap resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5120] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5122] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5121] <... openat resumed>) = 4 [pid 5120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... openat resumed>) = 4 [pid 5120] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5122] ioctl(4, LOOP_SET_FD, 3 [pid 5120] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5122] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5121] ioctl(4, LOOP_SET_FD, 3 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5122] ioctl(4, LOOP_CLR_FD [pid 5120] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... ioctl resumed>) = 0 [pid 5120] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5123] <... write resumed>) = 262144 [pid 5121] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] fspick(AT_FDCWD, ".", 0 [pid 5115] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] munmap(0x7fc4e5d63000, 262144 [pid 5121] ioctl(4, LOOP_CLR_FD [pid 5120] <... futex resumed>) = 1 [pid 5118] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... futex resumed>) = 0 [pid 5123] <... munmap resumed>) = 0 [pid 5121] <... ioctl resumed>) = 0 [pid 5120] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] <... openat resumed>) = 4 [pid 5122] ioctl(4, LOOP_SET_FD, 3 [pid 5120] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5118] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] ioctl(4, LOOP_SET_FD, 3 [pid 5122] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] <... openat resumed>) = 3 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5122] close(4 [pid 5121] ioctl(4, LOOP_SET_FD, 3 [pid 5120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5115] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] ioctl(4, LOOP_CLR_FD [pid 5122] <... close resumed>) = 0 [pid 5121] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] <... futex resumed>) = 1 [pid 5118] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... openat resumed>) = 3 [pid 5114] <... futex resumed>) = 0 [pid 5123] <... ioctl resumed>) = 0 [pid 5122] close(3 [pid 5121] close(4 [pid 5120] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... close resumed>) = 0 [pid 5121] <... close resumed>) = 0 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] close(3 [pid 5120] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5118] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = 1 [pid 5120] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5117] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5122] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... close resumed>) = 0 [pid 5120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] ioctl(4, LOOP_SET_FD, 3 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 1 [pid 5118] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5117] <... futex resumed>) = 0 [pid 5115] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5114] <... futex resumed>) = 0 [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5122] fspick(AT_FDCWD, ".", 0 [pid 5121] <... futex resumed>) = 1 [pid 5120] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... futex resumed>) = 0 [pid 5118] <... openat resumed>) = 3 [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5114] exit_group(0 [pid 5123] close(4 [pid 5122] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5121] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = ? [pid 5119] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... exit_group resumed>) = ? [pid 5123] <... close resumed>) = 0 [pid 5122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] +++ exited with 0 +++ [pid 5119] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 1 [pid 5114] +++ exited with 0 +++ [pid 5113] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] close(3 [pid 5122] <... futex resumed>) = 1 [pid 5121] fspick(AT_FDCWD, ".", 0 [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 0 [pid 5115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] <... close resumed>) = 0 [pid 5122] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = ? [pid 5113] <... futex resumed>) = 0 [pid 5112] <... exit_group resumed>) = ? [pid 5123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5117] <... futex resumed>) = 0 [pid 5115] +++ exited with 0 +++ [pid 5113] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] +++ exited with 0 +++ [pid 5123] <... futex resumed>) = 1 [pid 5122] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5121] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5118] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5123] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5121] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5123] fspick(AT_FDCWD, ".", 0 [pid 5122] <... futex resumed>) = 1 [pid 5121] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] <... futex resumed>) = 0 [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] exit_group(0 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5123] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5122] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5118] <... futex resumed>) = ? [pid 5117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... exit_group resumed>) = ? [pid 5001] close(3 [pid 5123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] +++ exited with 0 +++ [pid 5117] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5122] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5123] <... futex resumed>) = 1 [pid 5122] <... openat resumed>) = 3 [pid 5121] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5113] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5123] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5124 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 5123] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5122] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] close(3./strace-static-x86_64: Process 5124 attached [pid 5123] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... openat resumed>) = 3 [pid 5117] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5124] set_robust_list(0x5555563db5e0, 24 [pid 5123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5122] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5121] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5125 [pid 5124] <... prctl resumed>) = 0 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = 0 [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5124] setpgid(0, 0 [pid 5123] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5122] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5119] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] exit_group(0 [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... futex resumed>) = ? [pid 5121] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5117] <... exit_group resumed>) = ? [pid 5004] <... ioctl resumed>) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] +++ exited with 0 +++ [pid 5121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] +++ exited with 0 +++ [pid 5004] close(3./strace-static-x86_64: Process 5125 attached [pid 5124] <... openat resumed>) = 3 [pid 5123] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5125] set_robust_list(0x5555563db5e0, 24 [pid 5124] write(3, "1000", 4 [pid 5123] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] exit_group(0 [pid 5116] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] <... set_robust_list resumed>) = 0 [pid 5124] <... write resumed>) = 4 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = ? [pid 5119] <... exit_group resumed>) = ? [pid 5116] <... futex resumed>) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] close(3 [pid 5123] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5121] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5116] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5126 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5125] <... prctl resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5123] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] setpgid(0, 0 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5125] <... setpgid resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5126 attached [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] exit_group(0 [pid 5003] close(3 [pid 5125] <... openat resumed>) = 3 [pid 5124] <... mmap resumed>) = 0x7fc4ee163000 [pid 5123] <... futex resumed>) = ? [pid 5116] <... exit_group resumed>) = ? [pid 5003] <... close resumed>) = 0 [pid 5126] set_robust_list(0x5555563db5e0, 24 [pid 5125] write(3, "1000", 4 [pid 5124] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5123] +++ exited with 0 +++ [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5126] <... set_robust_list resumed>) = 0 [pid 5125] <... write resumed>) = 4 [pid 5124] <... mprotect resumed>) = 0 [pid 5116] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] close(3 [pid 5124] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5127 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5126] <... prctl resumed>) = 0 [pid 5125] <... close resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5126] setpgid(0, 0 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... clone resumed>, parent_tid=[5128], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5128 [pid 5002] close(3 [pid 5126] <... setpgid resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... openat resumed>) = 3 [pid 5126] <... openat resumed>) = 3 [pid 5125] <... mmap resumed>) = 0x7fc4ee163000 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5126] write(3, "1000", 4 [pid 5125] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5129 [pid 4999] <... ioctl resumed>) = 0 [pid 5126] <... write resumed>) = 4 [pid 5125] <... mprotect resumed>) = 0 [pid 4999] close(3 [pid 5126] close(3 [pid 5125] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4999] <... close resumed>) = 0 [pid 5126] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... clone resumed>, parent_tid=[5130], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5130 [pid 5127] set_robust_list(0x5555563db5e0, 24 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5131 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] <... futex resumed>) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] <... mmap resumed>) = 0x7fc4ee163000 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5127] <... prctl resumed>) = 0 [pid 5126] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5129 attached [pid 5127] setpgid(0, 0 [pid 5126] <... mprotect resumed>) = 0 [pid 5129] set_robust_list(0x5555563db5e0, 24 [pid 5127] <... setpgid resumed>) = 0 [pid 5126] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5129] <... set_robust_list resumed>) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... openat resumed>) = 3 [pid 5126] <... clone resumed>, parent_tid=[5132], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5132 ./strace-static-x86_64: Process 5128 attached [pid 5129] <... prctl resumed>) = 0 [pid 5127] write(3, "1000", 4 [pid 5126] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5130 attached [pid 5129] setpgid(0, 0 [pid 5128] set_robust_list(0x7fc4ee1839e0, 24 [pid 5127] <... write resumed>) = 4 [pid 5126] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] set_robust_list(0x7fc4ee1839e0, 24 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] close(3 [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] set_robust_list(0x5555563db5e0, 24 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] memfd_create("syzkaller", 0 [pid 5127] <... close resumed>) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5128] <... memfd_create resumed>) = 3 [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] write(3, "1000", 4 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5127] <... futex resumed>) = 0 [pid 5131] <... prctl resumed>) = 0 [pid 5129] <... write resumed>) = 4 [pid 5128] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] setpgid(0, 0 [pid 5129] close(3 [pid 5128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5127] <... mmap resumed>) = 0x7fc4ee163000 [pid 5131] <... setpgid resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5127] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... mprotect resumed>) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5129] <... futex resumed>) = 0 [pid 5127] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5131] write(3, "1000", 4 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] <... write resumed>) = 4 [pid 5129] <... mmap resumed>) = 0x7fc4ee163000 [pid 5127] <... clone resumed>, parent_tid=[5133], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5133 [pid 5131] close(3 [pid 5129] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5127] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... close resumed>) = 0 [pid 5129] <... mprotect resumed>) = 0 [pid 5128] <... write resumed>) = 262144 [pid 5127] <... futex resumed>) = 0 [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5134 attached ./strace-static-x86_64: Process 5132 attached [pid 5131] <... futex resumed>) = 0 [pid 5130] memfd_create("syzkaller", 0 [pid 5128] munmap(0x7fc4e5d63000, 262144 [pid 5134] set_robust_list(0x7fc4ee1839e0, 24 [pid 5132] set_robust_list(0x7fc4ee1839e0, 24 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5130] <... memfd_create resumed>) = 3 [pid 5129] <... clone resumed>, parent_tid=[5134], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5134 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] <... mmap resumed>) = 0x7fc4ee163000 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... munmap resumed>) = 0 [pid 5134] memfd_create("syzkaller", 0 [pid 5132] memfd_create("syzkaller", 0 [pid 5131] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5130] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5129] <... futex resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5133 attached [pid 5134] <... memfd_create resumed>) = 3 [pid 5132] <... memfd_create resumed>) = 3 [pid 5131] <... mprotect resumed>) = 0 [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5128] <... openat resumed>) = 4 [pid 5133] set_robust_list(0x7fc4ee1839e0, 24 [pid 5131] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5128] ioctl(4, LOOP_SET_FD, 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5134] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5133] memfd_create("syzkaller", 0 [pid 5132] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5131] <... clone resumed>, parent_tid=[5135], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5135 [pid 5128] ioctl(4, LOOP_CLR_FD [pid 5133] <... memfd_create resumed>) = 3 [pid 5131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... ioctl resumed>) = 0 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... write resumed>) = 262144 [pid 5133] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5133] <... write resumed>) = 262144 [pid 5132] <... write resumed>) = 262144 [pid 5130] munmap(0x7fc4e5d63000, 262144 [pid 5128] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5128] close(4 [pid 5134] <... write resumed>) = 262144 [pid 5128] <... close resumed>) = 0 [pid 5128] close(3 [pid 5134] munmap(0x7fc4e5d63000, 262144 [pid 5132] munmap(0x7fc4e5d63000, 262144 [pid 5130] <... munmap resumed>) = 0 [pid 5128] <... close resumed>) = 0 [pid 5133] munmap(0x7fc4e5d63000, 262144 [pid 5128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... munmap resumed>) = 0 [pid 5133] <... munmap resumed>) = 0 [pid 5132] <... munmap resumed>) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5133] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5132] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5130] <... openat resumed>) = 4 [pid 5128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5135 attached [pid 5134] <... openat resumed>) = 4 [pid 5133] <... openat resumed>) = 4 [pid 5132] <... openat resumed>) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5135] set_robust_list(0x7fc4ee1839e0, 24 [pid 5134] ioctl(4, LOOP_SET_FD, 3 [pid 5133] ioctl(4, LOOP_SET_FD, 3 [pid 5132] ioctl(4, LOOP_SET_FD, 3 [pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5128] fspick(AT_FDCWD, ".", 0 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5132] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5130] ioctl(4, LOOP_CLR_FD [pid 5128] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5135] memfd_create("syzkaller", 0 [pid 5134] ioctl(4, LOOP_CLR_FD [pid 5133] ioctl(4, LOOP_CLR_FD [pid 5132] ioctl(4, LOOP_CLR_FD [pid 5130] <... ioctl resumed>) = 0 [pid 5128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... memfd_create resumed>) = 3 [pid 5134] <... ioctl resumed>) = 0 [pid 5133] <... ioctl resumed>) = 0 [pid 5132] <... ioctl resumed>) = 0 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5130] ioctl(4, LOOP_SET_FD, 3 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5128] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] ioctl(4, LOOP_SET_FD, 3 [pid 5133] ioctl(4, LOOP_SET_FD, 3 [pid 5132] ioctl(4, LOOP_SET_FD, 3 [pid 5130] close(4 [pid 5128] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5135] <... write resumed>) = 262144 [pid 5134] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5132] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5130] <... close resumed>) = 0 [pid 5128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] munmap(0x7fc4e5d63000, 262144 [pid 5134] close(4 [pid 5133] close(4 [pid 5132] close(4 [pid 5130] close(3 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5135] <... munmap resumed>) = 0 [pid 5134] <... close resumed>) = 0 [pid 5133] <... close resumed>) = 0 [pid 5132] <... close resumed>) = 0 [pid 5128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5133] close(3 [pid 5135] <... openat resumed>) = 4 [pid 5134] close(3 [pid 5133] <... close resumed>) = 0 [pid 5132] close(3 [pid 5130] <... close resumed>) = 0 [pid 5124] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] ioctl(4, LOOP_SET_FD, 3 [pid 5133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5133] <... futex resumed>) = 1 [pid 5127] <... futex resumed>) = 0 [pid 5134] <... close resumed>) = 0 [pid 5135] ioctl(4, LOOP_CLR_FD [pid 5133] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... ioctl resumed>) = 0 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] <... futex resumed>) = 0 [pid 5134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] fspick(AT_FDCWD, ".", 0 [pid 5132] <... close resumed>) = 0 [pid 5130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = 1 [pid 5133] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5128] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 1 [pid 5130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... openat resumed>) = 3 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] ioctl(4, LOOP_SET_FD, 3 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5134] fspick(AT_FDCWD, ".", 0 [pid 5133] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] fspick(AT_FDCWD, ".", 0 [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 1 [pid 5127] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 0 [pid 5135] close(4 [pid 5134] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] fspick(AT_FDCWD, ".", 0 [pid 5130] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... close resumed>) = 0 [pid 5134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5132] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 0 [pid 5135] close(3 [pid 5134] <... futex resumed>) = 1 [pid 5133] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5128] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... close resumed>) = 0 [pid 5134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 1 [pid 5130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5134] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5133] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5130] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 1 [pid 5127] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... futex resumed>) = 0 [pid 5135] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] exit_group(0 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5132] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... futex resumed>) = 0 [pid 5130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = ? [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... exit_group resumed>) = ? [pid 5135] fspick(AT_FDCWD, ".", 0 [pid 5134] <... futex resumed>) = 1 [pid 5133] <... openat resumed>) = 3 [pid 5132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5128] +++ exited with 0 +++ [pid 5125] <... futex resumed>) = 0 [pid 5135] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 1 [pid 5130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] +++ exited with 0 +++ [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5127] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5135] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... futex resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... openat resumed>) = 3 [pid 5133] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5132] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... openat resumed>) = 3 [pid 5127] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... restart_syscall resumed>) = 0 [pid 5135] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5132] <... openat resumed>) = 3 [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... futex resumed>) = 1 [pid 5133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 1 [pid 5130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5127] exit_group(0 [pid 5126] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5135] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5133] <... futex resumed>) = ? [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... exit_group resumed>) = ? [pid 5126] <... futex resumed>) = 0 [pid 5125] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5133] +++ exited with 0 +++ [pid 5132] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5131] <... futex resumed>) = 0 [pid 5130] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5127] +++ exited with 0 +++ [pid 5126] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5135] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] close(3 [pid 5135] <... openat resumed>) = 3 [pid 5134] <... futex resumed>) = 1 [pid 5132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 1 [pid 5130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] exit_group(0 [pid 5126] <... futex resumed>) = 0 [pid 5125] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5135] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = ? [pid 5132] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = ? [pid 5129] <... exit_group resumed>) = ? [pid 5126] exit_group(0 [pid 5125] <... exit_group resumed>) = ? [pid 5135] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] +++ exited with 0 +++ [pid 5131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] +++ exited with 0 +++ [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5136 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5135] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] +++ exited with 0 +++ [pid 5126] <... exit_group resumed>) = ? [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5135] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... openat resumed>) = 3 [pid 5135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = ? [pid 5125] +++ exited with 0 +++ [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5135] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5135] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] exit_group(0 [pid 5003] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5135] <... futex resumed>) = ? [pid 5132] +++ exited with 0 +++ [pid 5131] <... exit_group resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5135] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5137 [pid 5002] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5002] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5138 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5139 [pid 5004] <... ioctl resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] close(3 [pid 4999] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5140 attached ./strace-static-x86_64: Process 5139 attached ./strace-static-x86_64: Process 5136 attached [pid 4999] close(3 [pid 5140] set_robust_list(0x5555563db5e0, 24 [pid 5136] set_robust_list(0x5555563db5e0, 24 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5140 [pid 4999] <... close resumed>) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] set_robust_list(0x5555563db5e0, 24 [pid 5136] <... set_robust_list resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] <... set_robust_list resumed>) = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] <... prctl resumed>) = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] <... prctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5141 [pid 5140] setpgid(0, 0 [pid 5139] <... prctl resumed>) = 0 [pid 5136] setpgid(0, 0 [pid 5140] <... setpgid resumed>) = 0 [pid 5139] setpgid(0, 0 [pid 5136] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5137 attached [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... openat resumed>) = 3 [pid 5139] <... setpgid resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5140] write(3, "1000", 4 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] write(3, "1000", 4 [pid 5140] <... write resumed>) = 4 [pid 5139] <... openat resumed>) = 3 [pid 5137] set_robust_list(0x5555563db5e0, 24 [pid 5136] <... write resumed>) = 4 [pid 5140] close(3 [pid 5139] write(3, "1000", 4 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] close(3 [pid 5140] <... close resumed>) = 0 [pid 5139] <... write resumed>) = 4 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] <... close resumed>) = 0 ./strace-static-x86_64: Process 5141 attached [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] close(3 [pid 5137] <... prctl resumed>) = 0 [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5138 attached [pid 5141] set_robust_list(0x5555563db5e0, 24 [pid 5140] <... futex resumed>) = 0 [pid 5139] <... close resumed>) = 0 [pid 5137] setpgid(0, 0 [pid 5136] <... futex resumed>) = 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] set_robust_list(0x5555563db5e0, 24 [pid 5137] <... setpgid resumed>) = 0 [pid 5136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] <... mmap resumed>) = 0x7fc4ee163000 [pid 5139] <... futex resumed>) = 0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] <... mmap resumed>) = 0x7fc4ee163000 [pid 5141] <... prctl resumed>) = 0 [pid 5140] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... openat resumed>) = 3 [pid 5136] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5141] setpgid(0, 0 [pid 5140] <... mprotect resumed>) = 0 [pid 5138] <... prctl resumed>) = 0 [pid 5137] write(3, "1000", 4 [pid 5139] <... mmap resumed>) = 0x7fc4ee163000 [pid 5141] <... setpgid resumed>) = 0 [pid 5140] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5139] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5138] setpgid(0, 0 [pid 5137] <... write resumed>) = 4 [pid 5136] <... mprotect resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] <... setpgid resumed>) = 0 [pid 5137] close(3 [pid 5141] <... openat resumed>) = 3 [pid 5139] <... mprotect resumed>) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] <... close resumed>) = 0 [pid 5136] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5141] write(3, "1000", 4 [pid 5140] <... clone resumed>, parent_tid=[5142], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5142 [pid 5139] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5138] <... openat resumed>) = 3 [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... write resumed>) = 4 [pid 5140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] write(3, "1000", 4 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... clone resumed>, parent_tid=[5143], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5143 [pid 5141] close(3 [pid 5140] <... futex resumed>) = 0 [pid 5139] <... clone resumed>, parent_tid=[5144], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5144 [pid 5138] <... write resumed>) = 4 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... close resumed>) = 0 [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5139] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] close(3 [pid 5137] <... mmap resumed>) = 0x7fc4ee163000 [pid 5136] <... futex resumed>) = 0 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5138] <... close resumed>) = 0 [pid 5137] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5141] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... mprotect resumed>) = 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5138] <... futex resumed>) = 0 [pid 5137] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5141] <... mmap resumed>) = 0x7fc4ee163000 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5138] <... mmap resumed>) = 0x7fc4ee163000 [pid 5137] <... clone resumed>, parent_tid=[5145], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5145 [pid 5141] <... mprotect resumed>) = 0 [pid 5138] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5137] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5138] <... mprotect resumed>) = 0 [pid 5137] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5143 attached [pid 5138] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5143] set_robust_list(0x7fc4ee1839e0, 24 [pid 5141] <... clone resumed>, parent_tid=[5146], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5146 ./strace-static-x86_64: Process 5144 attached [pid 5143] <... set_robust_list resumed>) = 0 [pid 5141] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... clone resumed>, parent_tid=[5147], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5147 [pid 5144] set_robust_list(0x7fc4ee1839e0, 24 [pid 5143] memfd_create("syzkaller", 0 [pid 5141] <... futex resumed>) = 0 [pid 5138] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5142 attached [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] <... memfd_create resumed>) = 3 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5144] memfd_create("syzkaller", 0 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5142] set_robust_list(0x7fc4ee1839e0, 24 [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5144] <... memfd_create resumed>) = 3 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5142] memfd_create("syzkaller", 0 [pid 5144] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5142] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5146 attached [pid 5144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5143] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5145 attached ) = 0x7fc4e5d63000 [pid 5146] set_robust_list(0x7fc4ee1839e0, 24 [pid 5145] set_robust_list(0x7fc4ee1839e0, 24 [pid 5143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5147 attached [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5143] <... write resumed>) = 262144 [pid 5147] set_robust_list(0x7fc4ee1839e0, 24 [pid 5146] memfd_create("syzkaller", 0 [pid 5145] memfd_create("syzkaller", 0 [pid 5143] munmap(0x7fc4e5d63000, 262144 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] <... memfd_create resumed>) = 3 [pid 5145] <... memfd_create resumed>) = 3 [pid 5147] memfd_create("syzkaller", 0 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5143] <... munmap resumed>) = 0 [pid 5147] <... memfd_create resumed>) = 3 [pid 5146] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5145] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5144] <... write resumed>) = 262144 [pid 5143] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5142] <... write resumed>) = 262144 [pid 5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5144] munmap(0x7fc4e5d63000, 262144 [pid 5143] <... openat resumed>) = 4 [pid 5147] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5146] <... write resumed>) = 262144 [pid 5145] <... write resumed>) = 262144 [pid 5144] <... munmap resumed>) = 0 [pid 5143] ioctl(4, LOOP_SET_FD, 3 [pid 5142] munmap(0x7fc4e5d63000, 262144 [pid 5147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5146] munmap(0x7fc4e5d63000, 262144 [pid 5144] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5143] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5142] <... munmap resumed>) = 0 [pid 5147] <... write resumed>) = 262144 [pid 5146] <... munmap resumed>) = 0 [pid 5144] <... openat resumed>) = 4 [pid 5143] ioctl(4, LOOP_CLR_FD [pid 5142] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5145] munmap(0x7fc4e5d63000, 262144 [pid 5144] ioctl(4, LOOP_SET_FD, 3 [pid 5143] <... ioctl resumed>) = 0 [pid 5142] <... openat resumed>) = 4 [pid 5146] <... openat resumed>) = 4 [pid 5144] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5142] ioctl(4, LOOP_SET_FD, 3 [pid 5147] munmap(0x7fc4e5d63000, 262144 [pid 5146] ioctl(4, LOOP_SET_FD, 3 [pid 5145] <... munmap resumed>) = 0 [pid 5144] ioctl(4, LOOP_CLR_FD [pid 5142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5147] <... munmap resumed>) = 0 [pid 5146] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5145] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5144] <... ioctl resumed>) = 0 [pid 5142] ioctl(4, LOOP_CLR_FD [pid 5147] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5146] ioctl(4, LOOP_CLR_FD [pid 5145] <... openat resumed>) = 4 [pid 5143] ioctl(4, LOOP_SET_FD, 3 [pid 5142] <... ioctl resumed>) = 0 [pid 5147] <... openat resumed>) = 4 [pid 5146] <... ioctl resumed>) = 0 [pid 5145] ioctl(4, LOOP_SET_FD, 3 [pid 5143] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5147] ioctl(4, LOOP_SET_FD, 3 [pid 5145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5143] close(4 [pid 5147] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5145] ioctl(4, LOOP_CLR_FD [pid 5143] <... close resumed>) = 0 [pid 5147] ioctl(4, LOOP_CLR_FD [pid 5145] <... ioctl resumed>) = 0 [pid 5143] close(3 [pid 5147] <... ioctl resumed>) = 0 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] ioctl(4, LOOP_SET_FD, 3 [pid 5144] close(4 [pid 5143] <... close resumed>) = 0 [pid 5142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5146] ioctl(4, LOOP_SET_FD, 3 [pid 5145] ioctl(4, LOOP_SET_FD, 3 [pid 5144] <... close resumed>) = 0 [pid 5143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] close(4 [pid 5147] ioctl(4, LOOP_SET_FD, 3 [pid 5146] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5144] close(3 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... close resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5146] close(4 [pid 5145] close(4 [pid 5144] <... close resumed>) = 0 [pid 5143] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] close(3 [pid 5136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] close(4 [pid 5146] <... close resumed>) = 0 [pid 5145] <... close resumed>) = 0 [pid 5144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... close resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... close resumed>) = 0 [pid 5146] close(3 [pid 5145] close(3 [pid 5144] <... futex resumed>) = 1 [pid 5143] fspick(AT_FDCWD, ".", 0 [pid 5142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] close(3 [pid 5146] <... close resumed>) = 0 [pid 5145] <... close resumed>) = 0 [pid 5144] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... close resumed>) = 0 [pid 5146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 1 [pid 5144] fspick(AT_FDCWD, ".", 0 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5146] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5143] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] fspick(AT_FDCWD, ".", 0 [pid 5141] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5141] <... futex resumed>) = 0 [pid 5138] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] fspick(AT_FDCWD, ".", 0 [pid 5145] fspick(AT_FDCWD, ".", 0 [pid 5144] <... futex resumed>) = 1 [pid 5143] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] fspick(AT_FDCWD, ".", 0 [pid 5146] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5145] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5144] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 1 [pid 5144] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5146] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5143] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5141] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5141] <... futex resumed>) = 0 [pid 5138] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5145] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5144] <... futex resumed>) = 1 [pid 5143] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5146] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5145] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5144] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... openat resumed>) = 3 [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 1 [pid 5144] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5146] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... openat resumed>) = 3 [pid 5143] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5141] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... openat resumed>) = 3 [pid 5141] <... futex resumed>) = 0 [pid 5138] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5145] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5144] <... futex resumed>) = 1 [pid 5143] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5146] <... openat resumed>) = 3 [pid 5145] <... openat resumed>) = 3 [pid 5144] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... openat resumed>) = 3 [pid 5146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 1 [pid 5144] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5146] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5143] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5141] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] exit_group(0 [pid 5147] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = ? [pid 5142] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5141] <... futex resumed>) = 0 [pid 5138] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5136] <... exit_group resumed>) = ? [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5145] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5144] <... futex resumed>) = 1 [pid 5143] +++ exited with 0 +++ [pid 5142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5137] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5146] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5145] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5144] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 [pid 5139] exit_group(0 [pid 5138] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] +++ exited with 0 +++ [pid 5147] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = ? [pid 5142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] exit_group(0 [pid 5139] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 1 [pid 5144] +++ exited with 0 +++ [pid 5142] <... futex resumed>) = ? [pid 5141] <... futex resumed>) = 0 [pid 5140] <... exit_group resumed>) = ? [pid 5137] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5147] <... futex resumed>) = 1 [pid 5145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] <... futex resumed>) = 0 [pid 5137] exit_group(0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5147] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] <... futex resumed>) = ? [pid 5142] +++ exited with 0 +++ [pid 5141] exit_group(0 [pid 5139] +++ exited with 0 +++ [pid 5138] exit_group(0 [pid 5137] <... exit_group resumed>) = ? [pid 5147] <... futex resumed>) = ? [pid 5146] <... futex resumed>) = ? [pid 5145] +++ exited with 0 +++ [pid 5141] <... exit_group resumed>) = ? [pid 5140] +++ exited with 0 +++ [pid 5138] <... exit_group resumed>) = ? [pid 5137] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5147] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5138] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5003] <... restart_syscall resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5001] close(3) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5148 [pid 5000] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... ioctl resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] close(3 [pid 5002] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 5004] <... ioctl resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] close(3 [pid 4999] <... close resumed>) = 0 [pid 5004] close(3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5148 attached [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5149 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5150 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5151 ./strace-static-x86_64: Process 5152 attached ./strace-static-x86_64: Process 5150 attached [pid 5148] set_robust_list(0x5555563db5e0, 24 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5152 [pid 5152] set_robust_list(0x5555563db5e0, 24 [pid 5150] set_robust_list(0x5555563db5e0, 24 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5153 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] <... prctl resumed>) = 0 [pid 5152] <... prctl resumed>) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] setpgid(0, 0 [pid 5152] setpgid(0, 0 [pid 5150] <... prctl resumed>) = 0 [pid 5148] <... setpgid resumed>) = 0 [pid 5152] <... setpgid resumed>) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... openat resumed>) = 3 [pid 5152] <... openat resumed>) = 3 [pid 5150] <... openat resumed>) = 3 [pid 5148] write(3, "1000", 4 [pid 5152] write(3, "1000", 4 [pid 5150] write(3, "1000", 4 [pid 5148] <... write resumed>) = 4 [pid 5152] <... write resumed>) = 4 [pid 5150] <... write resumed>) = 4 [pid 5148] close(3 [pid 5152] close(3 [pid 5150] close(3 [pid 5148] <... close resumed>) = 0 [pid 5152] <... close resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5153 attached [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5151 attached [pid 5152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5148] <... mmap resumed>) = 0x7fc4ee163000 [pid 5153] set_robust_list(0x5555563db5e0, 24 [pid 5152] <... mmap resumed>) = 0x7fc4ee163000 [pid 5151] set_robust_list(0x5555563db5e0, 24 [pid 5150] <... mmap resumed>) = 0x7fc4ee163000 [pid 5148] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5149 attached [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5148] <... mprotect resumed>) = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5152] <... mprotect resumed>) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] <... mprotect resumed>) = 0 [pid 5149] set_robust_list(0x5555563db5e0, 24 [pid 5148] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5153] <... prctl resumed>) = 0 [pid 5152] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5151] <... prctl resumed>) = 0 [pid 5150] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5149] <... set_robust_list resumed>) = 0 [pid 5153] setpgid(0, 0 [pid 5151] setpgid(0, 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] <... clone resumed>, parent_tid=[5154], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5154 [pid 5153] <... setpgid resumed>) = 0 [pid 5152] <... clone resumed>, parent_tid=[5155], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5155 [pid 5151] <... setpgid resumed>) = 0 [pid 5150] <... clone resumed>, parent_tid=[5156], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5156 [pid 5149] <... prctl resumed>) = 0 [pid 5148] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] setpgid(0, 0 [pid 5148] <... futex resumed>) = 0 [pid 5153] <... openat resumed>) = 3 [pid 5152] <... futex resumed>) = 0 [pid 5151] <... openat resumed>) = 3 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5153] write(3, "1000", 4 [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5151] write(3, "1000", 4 [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5155 attached [pid 5153] <... write resumed>) = 4 [pid 5151] <... write resumed>) = 4 [pid 5149] <... openat resumed>) = 3 [pid 5155] set_robust_list(0x7fc4ee1839e0, 24 [pid 5153] close(3 [pid 5151] close(3 [pid 5149] write(3, "1000", 4 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5153] <... close resumed>) = 0 [pid 5151] <... close resumed>) = 0 [pid 5149] <... write resumed>) = 4 [pid 5155] memfd_create("syzkaller", 0 [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] close(3./strace-static-x86_64: Process 5156 attached [pid 5155] <... memfd_create resumed>) = 3 [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5156] set_robust_list(0x7fc4ee1839e0, 24 [pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5149] <... close resumed>) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5153] <... mmap resumed>) = 0x7fc4ee163000 [pid 5151] <... mmap resumed>) = 0x7fc4ee163000 [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] memfd_create("syzkaller", 0 [pid 5153] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5151] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5149] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5154 attached [pid 5156] <... memfd_create resumed>) = 3 [pid 5153] <... mprotect resumed>) = 0 [pid 5151] <... mprotect resumed>) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5154] set_robust_list(0x7fc4ee1839e0, 24 [pid 5153] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5151] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5149] <... mmap resumed>) = 0x7fc4ee163000 [pid 5156] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5149] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5155] <... write resumed>) = 262144 [pid 5154] memfd_create("syzkaller", 0 [pid 5153] <... clone resumed>, parent_tid=[5157], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5157 [pid 5151] <... clone resumed>, parent_tid=[5158], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5158 [pid 5149] <... mprotect resumed>) = 0 [pid 5156] <... write resumed>) = 262144 [pid 5155] munmap(0x7fc4e5d63000, 262144 [pid 5154] <... memfd_create resumed>) = 3 [pid 5153] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5155] <... munmap resumed>) = 0 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5157 attached [pid 5155] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5154] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] <... clone resumed>, parent_tid=[5159], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5159 [pid 5157] set_robust_list(0x7fc4ee1839e0, 24 [pid 5156] munmap(0x7fc4e5d63000, 262144 [pid 5155] <... openat resumed>) = 4 [pid 5154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] <... munmap resumed>) = 0 [pid 5155] ioctl(4, LOOP_SET_FD, 3 [pid 5149] <... futex resumed>) = 0 [pid 5157] memfd_create("syzkaller", 0 [pid 5156] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5158 attached [pid 5157] <... memfd_create resumed>) = 3 [pid 5156] <... openat resumed>) = 4 [pid 5155] ioctl(4, LOOP_CLR_FD [pid 5154] <... write resumed>) = 262144 [pid 5158] set_robust_list(0x7fc4ee1839e0, 24 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5156] ioctl(4, LOOP_SET_FD, 3 [pid 5155] <... ioctl resumed>) = 0 [pid 5154] munmap(0x7fc4e5d63000, 262144 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5156] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5154] <... munmap resumed>) = 0 [pid 5158] memfd_create("syzkaller", 0 [pid 5156] ioctl(4, LOOP_CLR_FD [pid 5154] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5158] <... memfd_create resumed>) = 3 [pid 5156] <... ioctl resumed>) = 0 [pid 5154] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5159 attached [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5159] set_robust_list(0x7fc4ee1839e0, 24 [pid 5158] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5159] <... set_robust_list resumed>) = 0 [pid 5158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5157] <... write resumed>) = 262144 [pid 5154] ioctl(4, LOOP_CLR_FD [pid 5159] memfd_create("syzkaller", 0 [pid 5156] ioctl(4, LOOP_SET_FD, 3 [pid 5154] <... ioctl resumed>) = 0 [pid 5159] <... memfd_create resumed>) = 3 [pid 5158] <... write resumed>) = 262144 [pid 5156] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5156] close(4 [pid 5159] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5156] <... close resumed>) = 0 [pid 5159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5157] munmap(0x7fc4e5d63000, 262144 [pid 5156] close(3 [pid 5155] ioctl(4, LOOP_SET_FD, 3 [pid 5159] <... write resumed>) = 262144 [pid 5158] munmap(0x7fc4e5d63000, 262144 [pid 5157] <... munmap resumed>) = 0 [pid 5156] <... close resumed>) = 0 [pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5158] <... munmap resumed>) = 0 [pid 5157] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] close(4 [pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5158] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5157] <... openat resumed>) = 4 [pid 5156] <... futex resumed>) = 1 [pid 5155] <... close resumed>) = 0 [pid 5154] close(4 [pid 5150] <... futex resumed>) = 0 [pid 5158] <... openat resumed>) = 4 [pid 5157] ioctl(4, LOOP_SET_FD, 3 [pid 5156] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] close(3 [pid 5154] <... close resumed>) = 0 [pid 5150] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] munmap(0x7fc4e5d63000, 262144 [pid 5158] ioctl(4, LOOP_SET_FD, 3 [pid 5157] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] close(3 [pid 5159] <... munmap resumed>) = 0 [pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5157] ioctl(4, LOOP_CLR_FD [pid 5156] fspick(AT_FDCWD, ".", 0 [pid 5155] <... close resumed>) = 0 [pid 5154] <... close resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5159] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5158] ioctl(4, LOOP_CLR_FD [pid 5157] <... ioctl resumed>) = 0 [pid 5156] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... openat resumed>) = 4 [pid 5158] <... ioctl resumed>) = 0 [pid 5156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5159] ioctl(4, LOOP_SET_FD, 3 [pid 5156] <... futex resumed>) = 0 [pid 5155] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5156] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5159] ioctl(4, LOOP_CLR_FD [pid 5157] ioctl(4, LOOP_SET_FD, 3 [pid 5156] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5155] fspick(AT_FDCWD, ".", 0 [pid 5154] fspick(AT_FDCWD, ".", 0 [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... ioctl resumed>) = 0 [pid 5157] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5154] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] ioctl(4, LOOP_SET_FD, 3 [pid 5157] close(4 [pid 5156] <... futex resumed>) = 0 [pid 5155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5157] <... close resumed>) = 0 [pid 5156] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5155] <... futex resumed>) = 1 [pid 5154] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5159] ioctl(4, LOOP_SET_FD, 3 [pid 5158] close(4 [pid 5157] close(3 [pid 5156] <... openat resumed>) = 3 [pid 5155] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5158] <... close resumed>) = 0 [pid 5156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] close(4 [pid 5158] close(3 [pid 5157] <... close resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5152] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5159] <... close resumed>) = 0 [pid 5158] <... close resumed>) = 0 [pid 5157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5154] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] close(3 [pid 5158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... close resumed>) = 0 [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = 0 [pid 5153] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5155] <... futex resumed>) = 1 [pid 5154] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] fspick(AT_FDCWD, ".", 0 [pid 5156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] <... openat resumed>) = 3 [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] fspick(AT_FDCWD, ".", 0 [pid 5157] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = 0 [pid 5149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5154] <... futex resumed>) = 0 [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] exit_group(0 [pid 5149] <... futex resumed>) = 0 [pid 5148] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] fspick(AT_FDCWD, ".", 0 [pid 5158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = ? [pid 5155] <... openat resumed>) = 3 [pid 5154] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5153] <... futex resumed>) = 0 [pid 5150] <... exit_group resumed>) = ? [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... futex resumed>) = 0 [pid 5159] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] +++ exited with 0 +++ [pid 5155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5153] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] +++ exited with 0 +++ [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5155] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] <... futex resumed>) = 0 [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5157] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] exit_group(0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5154] <... futex resumed>) = ? [pid 5152] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... futex resumed>) = 0 [pid 5148] <... exit_group resumed>) = ? [pid 5002] <... restart_syscall resumed>) = 0 [pid 5159] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5155] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5154] +++ exited with 0 +++ [pid 5153] <... futex resumed>) = 0 [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5148] +++ exited with 0 +++ [pid 5159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5155] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] exit_group(0 [pid 5151] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5157] <... openat resumed>) = 3 [pid 5155] <... futex resumed>) = ? [pid 5152] <... exit_group resumed>) = ? [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... openat resumed>) = 3 [pid 5157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] +++ exited with 0 +++ [pid 5149] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5159] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5152] +++ exited with 0 +++ [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5159] <... openat resumed>) = 3 [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5153] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5157] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5161 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5159] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5159] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5158] <... futex resumed>) = 1 [pid 5157] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] exit_group(0 [pid 5151] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5151] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5161 attached [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = ? [pid 5157] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5151] <... exit_group resumed>) = ? [pid 5149] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] +++ exited with 0 +++ [pid 5151] +++ exited with 0 +++ [pid 5149] exit_group(0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5162 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5159] <... futex resumed>) = ? [pid 5149] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5161] set_robust_list(0x5555563db5e0, 24 [pid 5159] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] close(3 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5000] <... close resumed>) = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] <... prctl resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5161] setpgid(0, 0 [pid 5004] close(3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5163 [pid 5161] <... setpgid resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5161] <... openat resumed>) = 3 [pid 5003] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5161] write(3, "1000", 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5164 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5163 attached [pid 5161] <... write resumed>) = 4 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5163] set_robust_list(0x5555563db5e0, 24 [pid 5161] close(3 [pid 5003] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5161] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 4999] close(3 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 5163] <... prctl resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5163] setpgid(0, 0 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5165 ./strace-static-x86_64: Process 5162 attached [pid 5163] <... setpgid resumed>) = 0 [pid 5161] <... mmap resumed>) = 0x7fc4ee163000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5166 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] set_robust_list(0x5555563db5e0, 24 [pid 5161] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] <... mprotect resumed>) = 0 [pid 5163] <... openat resumed>) = 3 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5165 attached [pid 5163] write(3, "1000", 4 [pid 5162] <... prctl resumed>) = 0 [pid 5165] set_robust_list(0x5555563db5e0, 24 [pid 5163] <... write resumed>) = 4 [pid 5162] setpgid(0, 0 [pid 5161] <... clone resumed>, parent_tid=[5167], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5167 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5163] close(3 [pid 5162] <... setpgid resumed>) = 0 [pid 5161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5164 attached [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] <... close resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] <... futex resumed>) = 0 [pid 5165] <... prctl resumed>) = 0 [pid 5164] set_robust_list(0x5555563db5e0, 24 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... openat resumed>) = 3 [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5165] setpgid(0, 0 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] write(3, "1000", 4 [pid 5165] <... setpgid resumed>) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] <... write resumed>) = 4 ./strace-static-x86_64: Process 5166 attached [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] <... prctl resumed>) = 0 [pid 5163] <... mmap resumed>) = 0x7fc4ee163000 [pid 5162] close(3 [pid 5166] set_robust_list(0x5555563db5e0, 24 [pid 5165] <... openat resumed>) = 3 [pid 5164] setpgid(0, 0 [pid 5163] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5162] <... close resumed>) = 0 ./strace-static-x86_64: Process 5167 attached [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] write(3, "1000", 4 [pid 5164] <... setpgid resumed>) = 0 [pid 5163] <... mprotect resumed>) = 0 [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] set_robust_list(0x7fc4ee1839e0, 24 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] <... write resumed>) = 4 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5162] <... futex resumed>) = 0 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] <... prctl resumed>) = 0 [pid 5165] close(3 [pid 5164] <... openat resumed>) = 3 [pid 5162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5167] memfd_create("syzkaller", 0 [pid 5166] setpgid(0, 0 [pid 5165] <... close resumed>) = 0 [pid 5164] write(3, "1000", 4 [pid 5163] <... clone resumed>, parent_tid=[5168], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5168 [pid 5162] <... mmap resumed>) = 0x7fc4ee163000 [pid 5167] <... memfd_create resumed>) = 3 [pid 5166] <... setpgid resumed>) = 0 [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... write resumed>) = 4 [pid 5163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] <... futex resumed>) = 0 [pid 5164] close(3 [pid 5163] <... futex resumed>) = 0 [pid 5162] <... mprotect resumed>) = 0 [pid 5167] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5166] <... openat resumed>) = 3 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5164] <... close resumed>) = 0 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5162] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5166] write(3, "1000", 4 [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... write resumed>) = 4 [pid 5164] <... futex resumed>) = 0 [pid 5162] <... clone resumed>, parent_tid=[5169], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5169 [pid 5166] close(3 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5166] <... close resumed>) = 0 [pid 5165] <... mmap resumed>) = 0x7fc4ee163000 [pid 5164] <... mmap resumed>) = 0x7fc4ee163000 [pid 5162] <... futex resumed>) = 0 [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5167] <... write resumed>) = 262144 [pid 5166] <... futex resumed>) = 0 [pid 5165] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5164] <... mprotect resumed>) = 0 [pid 5167] munmap(0x7fc4e5d63000, 262144 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5165] <... mprotect resumed>) = 0 [pid 5164] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5167] <... munmap resumed>) = 0 [pid 5166] <... mmap resumed>) = 0x7fc4ee163000 [pid 5167] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5166] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5165] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5164] <... clone resumed>, parent_tid=[5170], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5170 [pid 5167] <... openat resumed>) = 4 [pid 5166] <... mprotect resumed>) = 0 [pid 5164] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] ioctl(4, LOOP_SET_FD, 3 [pid 5166] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5164] <... futex resumed>) = 0 [pid 5167] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5165] <... clone resumed>, parent_tid=[5171], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5171 [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5167] ioctl(4, LOOP_CLR_FD [pid 5166] <... clone resumed>, parent_tid=[5172], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5172 [pid 5165] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... ioctl resumed>) = 0 [pid 5166] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5168 attached [pid 5169] set_robust_list(0x7fc4ee1839e0, 24 [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5168] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5168] memfd_create("syzkaller", 0 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] <... memfd_create resumed>) = 3 [pid 5169] memfd_create("syzkaller", 0 [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5167] ioctl(4, LOOP_SET_FD, 3 [pid 5169] <... memfd_create resumed>) = 3 [pid 5168] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5167] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5171 attached [pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5167] close(4./strace-static-x86_64: Process 5170 attached [pid 5171] set_robust_list(0x7fc4ee1839e0, 24 [pid 5169] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5167] <... close resumed>) = 0 [pid 5170] set_robust_list(0x7fc4ee1839e0, 24 [pid 5167] close(3./strace-static-x86_64: Process 5172 attached [pid 5170] <... set_robust_list resumed>) = 0 [pid 5172] set_robust_list(0x7fc4ee1839e0, 24 [pid 5170] memfd_create("syzkaller", 0 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5170] <... memfd_create resumed>) = 3 [pid 5167] <... close resumed>) = 0 [pid 5172] memfd_create("syzkaller", 0 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... memfd_create resumed>) = 3 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5169] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5168] <... write resumed>) = 262144 [pid 5167] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5171] memfd_create("syzkaller", 0 [pid 5169] <... write resumed>) = 262144 [pid 5167] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5171] <... memfd_create resumed>) = 3 [pid 5169] munmap(0x7fc4e5d63000, 262144 [pid 5168] munmap(0x7fc4e5d63000, 262144 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... futex resumed>) = 0 [pid 5172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5168] <... munmap resumed>) = 0 [pid 5172] <... write resumed>) = 262144 [pid 5170] <... write resumed>) = 262144 [pid 5168] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5168] ioctl(4, LOOP_CLR_FD) = 0 [pid 5170] munmap(0x7fc4e5d63000, 262144 [pid 5172] munmap(0x7fc4e5d63000, 262144 [pid 5170] <... munmap resumed>) = 0 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5172] <... munmap resumed>) = 0 [pid 5171] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5169] <... munmap resumed>) = 0 [pid 5168] ioctl(4, LOOP_SET_FD, 3 [pid 5167] fspick(AT_FDCWD, ".", 0 [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5170] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5168] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5172] <... openat resumed>) = 4 [pid 5170] <... openat resumed>) = 4 [pid 5168] close(4 [pid 5172] ioctl(4, LOOP_SET_FD, 3 [pid 5170] ioctl(4, LOOP_SET_FD, 3 [pid 5168] <... close resumed>) = 0 [pid 5172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5170] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5169] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5168] close(3 [pid 5167] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5172] ioctl(4, LOOP_CLR_FD [pid 5171] <... write resumed>) = 262144 [pid 5170] ioctl(4, LOOP_CLR_FD [pid 5169] <... openat resumed>) = 4 [pid 5168] <... close resumed>) = 0 [pid 5167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... ioctl resumed>) = 0 [pid 5171] munmap(0x7fc4e5d63000, 262144 [pid 5170] <... ioctl resumed>) = 0 [pid 5169] ioctl(4, LOOP_SET_FD, 3 [pid 5168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 1 [pid 5167] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5163] <... futex resumed>) = 0 [pid 5161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... munmap resumed>) = 0 [pid 5169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5168] fspick(AT_FDCWD, ".", 0 [pid 5167] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5169] ioctl(4, LOOP_CLR_FD [pid 5168] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 0 [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... openat resumed>) = 4 [pid 5169] <... ioctl resumed>) = 0 [pid 5168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] ioctl(4, LOOP_SET_FD, 3 [pid 5168] <... futex resumed>) = 0 [pid 5167] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] ioctl(4, LOOP_SET_FD, 3 [pid 5171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5170] ioctl(4, LOOP_SET_FD, 3 [pid 5168] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = 0 [pid 5172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5171] ioctl(4, LOOP_CLR_FD [pid 5170] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5163] <... futex resumed>) = 0 [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] close(4 [pid 5171] <... ioctl resumed>) = 0 [pid 5170] close(4 [pid 5169] ioctl(4, LOOP_SET_FD, 3 [pid 5168] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5172] <... close resumed>) = 0 [pid 5170] <... close resumed>) = 0 [pid 5169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5168] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... openat resumed>) = 3 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] close(3 [pid 5170] close(3 [pid 5169] close(4 [pid 5168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] <... close resumed>) = 0 [pid 5170] <... close resumed>) = 0 [pid 5169] <... close resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5167] <... futex resumed>) = 1 [pid 5163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = 0 [pid 5172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] ioctl(4, LOOP_SET_FD, 3 [pid 5170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] close(3 [pid 5168] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5167] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] <... futex resumed>) = 0 [pid 5161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 1 [pid 5171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5170] <... futex resumed>) = 1 [pid 5168] <... openat resumed>) = 3 [pid 5166] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] close(4 [pid 5170] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... close resumed>) = 0 [pid 5168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... close resumed>) = 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5167] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5166] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] fspick(AT_FDCWD, ".", 0 [pid 5171] close(3 [pid 5170] fspick(AT_FDCWD, ".", 0 [pid 5169] <... futex resumed>) = 1 [pid 5168] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = 0 [pid 5172] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5171] <... close resumed>) = 0 [pid 5170] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5169] fspick(AT_FDCWD, ".", 0 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 0 [pid 5162] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5168] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5167] <... futex resumed>) = 1 [pid 5163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 1 [pid 5170] <... futex resumed>) = 1 [pid 5169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5167] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] exit_group(0 [pid 5172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = ? [pid 5166] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... exit_group resumed>) = ? [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... futex resumed>) = 1 [pid 5167] +++ exited with 0 +++ [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5170] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5168] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5161] +++ exited with 0 +++ [pid 5172] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5171] fspick(AT_FDCWD, ".", 0 [pid 5170] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] exit_group(0 [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5168] <... futex resumed>) = ? [pid 5163] <... exit_group resumed>) = ? [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] <... futex resumed>) = 1 [pid 5171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 1 [pid 5169] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5168] +++ exited with 0 +++ [pid 5166] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = 1 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5163] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5172] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5170] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5172] <... openat resumed>) = 3 [pid 5170] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5172] <... futex resumed>) = 1 [pid 5170] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = 0 [pid 5162] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5173 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5172] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... futex resumed>) = 0 [pid 5164] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5172] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5171] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5170] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5172] <... futex resumed>) = 1 [pid 5171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 1 [pid 5169] <... openat resumed>) = 3 [pid 5166] <... futex resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached [pid 5172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 1 [pid 5170] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] exit_group(0 [pid 5165] <... futex resumed>) = 0 [pid 5164] exit_group(0 [pid 5173] set_robust_list(0x5555563db5e0, 24 [pid 5172] <... futex resumed>) = ? [pid 5171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... futex resumed>) = ? [pid 5169] <... futex resumed>) = 1 [pid 5166] <... exit_group resumed>) = ? [pid 5165] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... exit_group resumed>) = ? [pid 5162] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5174 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] +++ exited with 0 +++ [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] +++ exited with 0 +++ [pid 5169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] +++ exited with 0 +++ [pid 5165] <... futex resumed>) = 0 [pid 5164] +++ exited with 0 +++ [pid 5162] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5174 attached [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] set_robust_list(0x5555563db5e0, 24 [pid 5173] <... prctl resumed>) = 0 [pid 5171] <... openat resumed>) = 3 [pid 5169] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5162] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] setpgid(0, 0 [pid 5171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] <... setpgid resumed>) = 0 [pid 5171] <... futex resumed>) = 1 [pid 5169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5174] <... prctl resumed>) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... futex resumed>) = 1 [pid 5165] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5174] setpgid(0, 0 [pid 5173] <... openat resumed>) = 3 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = 0 [pid 5162] exit_group(0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5174] <... setpgid resumed>) = 0 [pid 5173] write(3, "1000", 4 [pid 5171] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5169] <... futex resumed>) = ? [pid 5165] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... exit_group resumed>) = ? [pid 4999] <... ioctl resumed>) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5173] <... write resumed>) = 4 [pid 5171] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5169] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 4999] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... ioctl resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5175 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5176 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5177 [pid 5171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... openat resumed>) = 3 [pid 5173] close(3 [pid 5171] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5174] write(3, "1000", 4 [pid 5173] <... close resumed>) = 0 [pid 5171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] exit_group(0 [pid 5174] <... write resumed>) = 4 [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5175 attached [pid 5174] close(3 [pid 5173] <... futex resumed>) = 0 [pid 5171] +++ exited with 0 +++ [pid 5175] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5165] +++ exited with 0 +++ [pid 5174] <... close resumed>) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5175] <... prctl resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5177 attached ./strace-static-x86_64: Process 5176 attached [pid 5175] setpgid(0, 0 [pid 5174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] <... mprotect resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5177] set_robust_list(0x5555563db5e0, 24 [pid 5176] set_robust_list(0x5555563db5e0, 24 [pid 5175] <... setpgid resumed>) = 0 [pid 5174] <... mmap resumed>) = 0x7fc4ee163000 [pid 5173] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... openat resumed>) = 3 [pid 5174] <... mprotect resumed>) = 0 [pid 5173] <... clone resumed>, parent_tid=[5178], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5178 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5177] <... prctl resumed>) = 0 [pid 5176] <... prctl resumed>) = 0 [pid 5175] write(3, "1000", 4 [pid 5174] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5177] setpgid(0, 0 [pid 5176] setpgid(0, 0 [pid 5175] <... write resumed>) = 4 [pid 5173] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... setpgid resumed>) = 0 [pid 5175] close(3 [pid 5174] <... clone resumed>, parent_tid=[5179], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5179 [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] <... close resumed>) = 0 [pid 5174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5177] <... openat resumed>) = 3 [pid 5176] <... openat resumed>) = 3 [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5177] write(3, "1000", 4 [pid 5176] write(3, "1000", 4 [pid 5175] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5177] <... write resumed>) = 4 [pid 5176] <... write resumed>) = 4 [pid 5175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5177] close(3 [pid 5176] close(3 [pid 5175] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5180 [pid 5177] <... close resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5175] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... mprotect resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5177] <... mmap resumed>) = 0x7fc4ee163000 [pid 5176] <... mmap resumed>) = 0x7fc4ee163000 [pid 5175] <... clone resumed>, parent_tid=[5181], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5181 ./strace-static-x86_64: Process 5179 attached ./strace-static-x86_64: Process 5178 attached [pid 5177] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5176] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... mprotect resumed>) = 0 [pid 5176] <... mprotect resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5177] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5176] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5177] <... clone resumed>, parent_tid=[5182], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5182 [pid 5176] <... clone resumed>, parent_tid=[5183], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5183 [pid 5177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] set_robust_list(0x7fc4ee1839e0, 24 [pid 5178] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5182 attached ./strace-static-x86_64: Process 5181 attached ) = 3 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5182] set_robust_list(0x7fc4ee1839e0, 24 [pid 5181] set_robust_list(0x7fc4ee1839e0, 24 [pid 5180] write(3, "1000", 4 [pid 5179] memfd_create("syzkaller", 0 [pid 5178] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5183 attached [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] <... write resumed>) = 4 [pid 5179] <... memfd_create resumed>) = 3 [pid 5178] <... memfd_create resumed>) = 3 [pid 5183] set_robust_list(0x7fc4ee1839e0, 24 [pid 5182] memfd_create("syzkaller", 0 [pid 5181] memfd_create("syzkaller", 0 [pid 5180] close(3 [pid 5179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5182] <... memfd_create resumed>) = 3 [pid 5181] <... memfd_create resumed>) = 3 [pid 5180] <... close resumed>) = 0 [pid 5179] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5178] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5183] memfd_create("syzkaller", 0 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... memfd_create resumed>) = 3 [pid 5181] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5180] <... futex resumed>) = 0 [pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5183] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5180] <... mmap resumed>) = 0x7fc4ee163000 [pid 5179] <... write resumed>) = 262144 [pid 5178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5182] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5180] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5179] munmap(0x7fc4e5d63000, 262144 [pid 5178] <... write resumed>) = 262144 [pid 5183] <... write resumed>) = 262144 [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5181] <... write resumed>) = 262144 [pid 5180] <... mprotect resumed>) = 0 [pid 5178] munmap(0x7fc4e5d63000, 262144 [pid 5181] munmap(0x7fc4e5d63000, 262144 [pid 5180] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5179] <... munmap resumed>) = 0 [pid 5182] <... write resumed>) = 262144 [pid 5182] munmap(0x7fc4e5d63000, 262144 [pid 5180] <... clone resumed>, parent_tid=[5184], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5184 [pid 5179] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5178] <... munmap resumed>) = 0 [pid 5182] <... munmap resumed>) = 0 [pid 5181] <... munmap resumed>) = 0 [pid 5180] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... openat resumed>) = 4 [pid 5178] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5183] munmap(0x7fc4e5d63000, 262144 [pid 5182] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5181] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5180] <... futex resumed>) = 0 [pid 5179] ioctl(4, LOOP_SET_FD, 3 [pid 5178] <... openat resumed>) = 4 [pid 5183] <... munmap resumed>) = 0 [pid 5182] <... openat resumed>) = 4 [pid 5181] <... openat resumed>) = 4 [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5178] ioctl(4, LOOP_SET_FD, 3 [pid 5183] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5182] ioctl(4, LOOP_SET_FD, 3 [pid 5181] ioctl(4, LOOP_SET_FD, 3 [pid 5179] ioctl(4, LOOP_CLR_FD [pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5183] <... openat resumed>) = 4 [pid 5182] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5181] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5179] <... ioctl resumed>) = 0 [pid 5178] ioctl(4, LOOP_CLR_FD [pid 5183] ioctl(4, LOOP_SET_FD, 3 [pid 5182] ioctl(4, LOOP_CLR_FD [pid 5181] ioctl(4, LOOP_CLR_FD [pid 5178] <... ioctl resumed>) = 0 [pid 5183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5182] <... ioctl resumed>) = 0 [pid 5181] <... ioctl resumed>) = 0 [pid 5183] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5184 attached ) = 0 [pid 5184] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5184] memfd_create("syzkaller", 0) = 3 [pid 5181] ioctl(4, LOOP_SET_FD, 3 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5184] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5183] ioctl(4, LOOP_SET_FD, 3 [pid 5181] close(4 [pid 5184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5181] <... close resumed>) = 0 [pid 5183] close(4 [pid 5181] close(3 [pid 5183] <... close resumed>) = 0 [pid 5181] <... close resumed>) = 0 [pid 5183] close(3 [pid 5181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... close resumed>) = 0 [pid 5181] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] ioctl(4, LOOP_SET_FD, 3 [pid 5181] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] ioctl(4, LOOP_SET_FD, 3 [pid 5178] ioctl(4, LOOP_SET_FD, 3 [pid 5175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... write resumed>) = 262144 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] close(4 [pid 5181] fspick(AT_FDCWD, ".", 0 [pid 5179] close(4 [pid 5178] close(4 [pid 5176] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] munmap(0x7fc4e5d63000, 262144 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... close resumed>) = 0 [pid 5181] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... close resumed>) = 0 [pid 5178] <... close resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5184] <... munmap resumed>) = 0 [pid 5183] fspick(AT_FDCWD, ".", 0 [pid 5182] close(3 [pid 5181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] close(3 [pid 5178] close(3 [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5183] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5181] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5184] <... openat resumed>) = 4 [pid 5183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... close resumed>) = 0 [pid 5181] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] ioctl(4, LOOP_SET_FD, 3 [pid 5183] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5179] <... close resumed>) = 0 [pid 5184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5178] <... close resumed>) = 0 [pid 5176] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] ioctl(4, LOOP_CLR_FD [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 1 [pid 5181] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... futex resumed>) = 1 [pid 5178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5184] <... ioctl resumed>) = 0 [pid 5183] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5182] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 1 [pid 5177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5183] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] fspick(AT_FDCWD, ".", 0 [pid 5181] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] fspick(AT_FDCWD, ".", 0 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5178] fspick(AT_FDCWD, ".", 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] ioctl(4, LOOP_SET_FD, 3 [pid 5183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5176] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 1 [pid 5181] <... openat resumed>) = 3 [pid 5179] <... futex resumed>) = 1 [pid 5178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5184] close(4 [pid 5183] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5182] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 1 [pid 5177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5183] <... openat resumed>) = 3 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] close(3 [pid 5183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5181] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5178] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5176] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 1 [pid 5181] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5182] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 1 [pid 5177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5183] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] fspick(AT_FDCWD, ".", 0 [pid 5183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5181] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] exit_group(0 [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5184] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5183] <... futex resumed>) = 1 [pid 5182] <... openat resumed>) = 3 [pid 5181] <... futex resumed>) = ? [pid 5179] <... openat resumed>) = 3 [pid 5178] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... exit_group resumed>) = ? [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] +++ exited with 0 +++ [pid 5179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... openat resumed>) = 3 [pid 5176] exit_group(0 [pid 5175] +++ exited with 0 +++ [pid 5184] <... futex resumed>) = 1 [pid 5183] <... futex resumed>) = ? [pid 5182] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... exit_group resumed>) = ? [pid 5174] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5183] +++ exited with 0 +++ [pid 5182] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 1 [pid 5177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] +++ exited with 0 +++ [pid 5174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5182] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5184] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5179] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5178] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 4999] <... openat resumed>) = 3 [pid 5184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... restart_syscall resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... futex resumed>) = 1 [pid 5177] exit_group(0 [pid 5174] exit_group(0 [pid 5173] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = ? [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = ? [pid 5178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... exit_group resumed>) = ? [pid 5174] <... exit_group resumed>) = ? [pid 5173] exit_group(0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5184] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5182] +++ exited with 0 +++ [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5004] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... openat resumed>) = 3 [pid 5178] <... futex resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5173] <... exit_group resumed>) = ? [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5185 [pid 5184] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5184] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5180] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5184] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5186 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5000] close(3 [pid 5184] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... futex resumed>) = ? [pid 5180] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5184] +++ exited with 0 +++ [pid 5180] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5187 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5188 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... ioctl resumed>) = 0 [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5189 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5185 attached [pid 5003] close(3) = 0 [pid 5185] set_robust_list(0x5555563db5e0, 24 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] <... set_robust_list resumed>) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5190 [pid 5185] <... prctl resumed>) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5187 attached [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5188 attached ./strace-static-x86_64: Process 5186 attached [pid 5187] set_robust_list(0x5555563db5e0, 24 [pid 5185] <... mmap resumed>) = 0x7fc4ee163000 ./strace-static-x86_64: Process 5189 attached [pid 5188] set_robust_list(0x5555563db5e0, 24 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5186] set_robust_list(0x5555563db5e0, 24 [pid 5185] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5189] set_robust_list(0x5555563db5e0, 24 [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5190 attached [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... prctl resumed>) = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5190] set_robust_list(0x5555563db5e0, 24 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] <... prctl resumed>) = 0 [pid 5187] setpgid(0, 0 [pid 5186] <... prctl resumed>) = 0 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... prctl resumed>) = 0 [pid 5188] setpgid(0, 0 [pid 5187] <... setpgid resumed>) = 0 [pid 5186] setpgid(0, 0 [pid 5185] <... clone resumed>, parent_tid=[5191], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5191 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] setpgid(0, 0 [pid 5188] <... setpgid resumed>) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] <... setpgid resumed>) = 0 [pid 5185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... prctl resumed>) = 0 [pid 5189] <... setpgid resumed>) = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] <... openat resumed>) = 3 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5185] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5191 attached [pid 5190] setpgid(0, 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... openat resumed>) = 3 [pid 5187] write(3, "1000", 4 [pid 5186] <... openat resumed>) = 3 [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] set_robust_list(0x7fc4ee1839e0, 24 [pid 5190] <... setpgid resumed>) = 0 [pid 5189] <... openat resumed>) = 3 [pid 5188] write(3, "1000", 4 [pid 5187] <... write resumed>) = 4 [pid 5186] write(3, "1000", 4 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] write(3, "1000", 4 [pid 5188] <... write resumed>) = 4 [pid 5187] close(3 [pid 5186] <... write resumed>) = 4 [pid 5191] memfd_create("syzkaller", 0 [pid 5190] <... openat resumed>) = 3 [pid 5189] <... write resumed>) = 4 [pid 5188] close(3 [pid 5187] <... close resumed>) = 0 [pid 5186] close(3 [pid 5190] write(3, "1000", 4 [pid 5189] close(3 [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... write resumed>) = 4 [pid 5189] <... close resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5190] close(3 [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... close resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5187] <... mmap resumed>) = 0x7fc4ee163000 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5187] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5190] <... futex resumed>) = 0 [pid 5189] <... mmap resumed>) = 0x7fc4ee163000 [pid 5187] <... mprotect resumed>) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5189] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5187] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5190] <... mmap resumed>) = 0x7fc4ee163000 [pid 5189] <... mprotect resumed>) = 0 [pid 5190] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5189] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5187] <... clone resumed>, parent_tid=[5192], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5192 [pid 5190] <... mprotect resumed>) = 0 [pid 5187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5189] <... clone resumed>, parent_tid=[5193], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5193 [pid 5187] <... futex resumed>) = 0 [pid 5189] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5190] <... clone resumed>, parent_tid=[5194], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5194 [pid 5191] <... memfd_create resumed>) = 3 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... close resumed>) = 0 [pid 5186] <... close resumed>) = 0 [pid 5190] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5192 attached [pid 5192] set_robust_list(0x7fc4ee1839e0, 24 [pid 5188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5194 attached [pid 5188] <... mmap resumed>) = 0x7fc4ee163000 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5188] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5186] <... mmap resumed>) = 0x7fc4ee163000 [pid 5191] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5188] <... mprotect resumed>) = 0 [pid 5186] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5188] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5186] <... mprotect resumed>) = 0 [pid 5186] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5188] <... clone resumed>, parent_tid=[5195], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5195 [pid 5188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... clone resumed>, parent_tid=[5196], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5196 [pid 5188] <... futex resumed>) = 0 [pid 5186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5186] <... futex resumed>) = 0 [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5192] memfd_create("syzkaller", 0 [pid 5194] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5192] <... memfd_create resumed>) = 3 [pid 5194] memfd_create("syzkaller", 0 [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5194] <... memfd_create resumed>) = 3 [pid 5192] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5192] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5196 attached ./strace-static-x86_64: Process 5195 attached ./strace-static-x86_64: Process 5193 attached [pid 5191] <... write resumed>) = 262144 [pid 5196] set_robust_list(0x7fc4ee1839e0, 24 [pid 5195] set_robust_list(0x7fc4ee1839e0, 24 [pid 5193] set_robust_list(0x7fc4ee1839e0, 24 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5191] munmap(0x7fc4e5d63000, 262144 [pid 5196] memfd_create("syzkaller", 0 [pid 5195] memfd_create("syzkaller", 0 [pid 5193] memfd_create("syzkaller", 0 [pid 5194] <... write resumed>) = 262144 [pid 5192] munmap(0x7fc4e5d63000, 262144 [pid 5191] <... munmap resumed>) = 0 [pid 5195] <... memfd_create resumed>) = 3 [pid 5196] <... memfd_create resumed>) = 3 [pid 5195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5194] munmap(0x7fc4e5d63000, 262144 [pid 5193] <... memfd_create resumed>) = 3 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] <... munmap resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5196] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5195] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5194] <... munmap resumed>) = 0 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5191] <... openat resumed>) = 4 [pid 5194] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5192] <... openat resumed>) = 4 [pid 5194] <... openat resumed>) = 4 [pid 5192] ioctl(4, LOOP_SET_FD, 3 [pid 5194] ioctl(4, LOOP_SET_FD, 3 [pid 5192] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] ioctl(4, LOOP_CLR_FD [pid 5196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5194] ioctl(4, LOOP_CLR_FD [pid 5192] <... ioctl resumed>) = 0 [pid 5194] <... ioctl resumed>) = 0 [pid 5195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5193] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5191] ioctl(4, LOOP_SET_FD, 3 [pid 5196] <... write resumed>) = 262144 [pid 5194] ioctl(4, LOOP_SET_FD, 3 [pid 5192] ioctl(4, LOOP_SET_FD, 3 [pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] close(4 [pid 5192] close(4 [pid 5195] <... write resumed>) = 262144 [pid 5194] <... close resumed>) = 0 [pid 5192] <... close resumed>) = 0 [pid 5191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] close(3 [pid 5192] close(3 [pid 5196] munmap(0x7fc4e5d63000, 262144 [pid 5195] munmap(0x7fc4e5d63000, 262144 [pid 5194] <... close resumed>) = 0 [pid 5193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5192] <... close resumed>) = 0 [pid 5191] ioctl(4, LOOP_CLR_FD [pid 5196] <... munmap resumed>) = 0 [pid 5195] <... munmap resumed>) = 0 [pid 5194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... write resumed>) = 262144 [pid 5192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... ioctl resumed>) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5195] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5194] <... futex resumed>) = 1 [pid 5193] munmap(0x7fc4e5d63000, 262144 [pid 5192] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5196] <... openat resumed>) = 4 [pid 5195] <... openat resumed>) = 4 [pid 5194] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... munmap resumed>) = 0 [pid 5192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] ioctl(4, LOOP_SET_FD, 3 [pid 5195] ioctl(4, LOOP_SET_FD, 3 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5196] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5195] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] fspick(AT_FDCWD, ".", 0 [pid 5193] <... openat resumed>) = 4 [pid 5192] fspick(AT_FDCWD, ".", 0 [pid 5191] ioctl(4, LOOP_SET_FD, 3 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] ioctl(4, LOOP_CLR_FD [pid 5195] ioctl(4, LOOP_CLR_FD [pid 5194] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5193] ioctl(4, LOOP_SET_FD, 3 [pid 5192] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5196] <... ioctl resumed>) = 0 [pid 5195] <... ioctl resumed>) = 0 [pid 5194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] close(4 [pid 5194] <... futex resumed>) = 1 [pid 5193] ioctl(4, LOOP_CLR_FD [pid 5192] <... futex resumed>) = 1 [pid 5191] <... close resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5194] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... ioctl resumed>) = 0 [pid 5192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] close(3 [pid 5190] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... close resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5196] ioctl(4, LOOP_SET_FD, 3 [pid 5195] ioctl(4, LOOP_SET_FD, 3 [pid 5194] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5192] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5195] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5191] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5196] close(4 [pid 5195] close(4 [pid 5194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] ioctl(4, LOOP_SET_FD, 3 [pid 5192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... close resumed>) = 0 [pid 5195] <... close resumed>) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] close(3 [pid 5195] close(3 [pid 5194] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] close(4 [pid 5192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] fspick(AT_FDCWD, ".", 0 [pid 5190] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... close resumed>) = 0 [pid 5195] <... close resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... close resumed>) = 0 [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5193] close(3 [pid 5192] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 1 [pid 5194] <... openat resumed>) = 3 [pid 5193] <... close resumed>) = 0 [pid 5192] <... openat resumed>) = 3 [pid 5191] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] fspick(AT_FDCWD, ".", 0 [pid 5195] fspick(AT_FDCWD, ".", 0 [pid 5194] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5190] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5195] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5193] fspick(AT_FDCWD, ".", 0 [pid 5192] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 1 [pid 5194] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5193] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5192] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5191] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5195] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5194] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5190] exit_group(0 [pid 5189] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] exit_group(0 [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5195] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5194] <... futex resumed>) = ? [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5192] <... futex resumed>) = ? [pid 5191] <... openat resumed>) = 3 [pid 5190] <... exit_group resumed>) = ? [pid 5189] <... futex resumed>) = 0 [pid 5187] <... exit_group resumed>) = ? [pid 5196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] +++ exited with 0 +++ [pid 5193] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5192] +++ exited with 0 +++ [pid 5191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 1 [pid 5193] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5191] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] +++ exited with 0 +++ [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 0 [pid 5187] +++ exited with 0 +++ [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5195] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5193] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5196] <... openat resumed>) = 3 [pid 5195] <... openat resumed>) = 3 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 1 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5191] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 1 [pid 5193] <... openat resumed>) = 3 [pid 5191] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5196] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5195] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5193] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5195] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = 0 [pid 5185] exit_group(0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5191] <... futex resumed>) = ? [pid 5189] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... exit_group resumed>) = ? [pid 5003] <... openat resumed>) = 3 [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 1 [pid 5193] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5191] +++ exited with 0 +++ [pid 5188] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] exit_group(0 [pid 5186] exit_group(0 [pid 5185] +++ exited with 0 +++ [pid 5196] <... futex resumed>) = ? [pid 5195] <... futex resumed>) = ? [pid 5193] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... exit_group resumed>) = ? [pid 5186] <... exit_group resumed>) = ? [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5196] +++ exited with 0 +++ [pid 5195] +++ exited with 0 +++ [pid 5193] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] exit_group(0 [pid 5188] +++ exited with 0 +++ [pid 5186] +++ exited with 0 +++ [pid 5003] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5193] <... futex resumed>) = ? [pid 5189] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] close(3 [pid 5001] close(3 [pid 5193] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5199 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5200 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5000] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4999] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5201 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5202 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5203 [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5201 attached ./strace-static-x86_64: Process 5199 attached ./strace-static-x86_64: Process 5203 attached , child_tidptr=0x5555563db5d0) = 5204 [pid 5199] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5203] set_robust_list(0x5555563db5e0, 24 [pid 5201] set_robust_list(0x5555563db5e0, 24 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... set_robust_list resumed>) = 0 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5199] <... prctl resumed>) = 0 [pid 5199] setpgid(0, 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] <... setpgid resumed>) = 0 [pid 5201] <... prctl resumed>) = 0 [pid 5203] <... prctl resumed>) = 0 [pid 5201] setpgid(0, 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5203] setpgid(0, 0 [pid 5201] <... setpgid resumed>) = 0 [pid 5199] <... openat resumed>) = 3 [pid 5203] <... setpgid resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] write(3, "1000", 4./strace-static-x86_64: Process 5200 attached [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... openat resumed>) = 3 [pid 5200] set_robust_list(0x5555563db5e0, 24 [pid 5199] <... write resumed>) = 4 [pid 5201] write(3, "1000", 4 [pid 5199] close(3 [pid 5201] <... write resumed>) = 4 ./strace-static-x86_64: Process 5202 attached [pid 5203] <... openat resumed>) = 3 [pid 5201] close(3 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... close resumed>) = 0 [pid 5203] write(3, "1000", 4 [pid 5201] <... close resumed>) = 0 [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... write resumed>) = 4 [pid 5202] set_robust_list(0x5555563db5e0, 24 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] <... futex resumed>) = 0 [pid 5203] close(3 [pid 5201] <... futex resumed>) = 0 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5203] <... close resumed>) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5204 attached [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] <... mmap resumed>) = 0x7fc4ee163000 [pid 5200] <... prctl resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x7fc4ee163000 [pid 5204] set_robust_list(0x5555563db5e0, 24 [pid 5203] <... futex resumed>) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5200] setpgid(0, 0 [pid 5199] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... mmap resumed>) = 0x7fc4ee163000 [pid 5202] <... prctl resumed>) = 0 [pid 5201] <... mprotect resumed>) = 0 [pid 5200] <... setpgid resumed>) = 0 [pid 5199] <... mprotect resumed>) = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5202] setpgid(0, 0 [pid 5201] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5204] <... prctl resumed>) = 0 [pid 5203] <... mprotect resumed>) = 0 [pid 5202] <... setpgid resumed>) = 0 [pid 5200] <... openat resumed>) = 3 [pid 5204] setpgid(0, 0 [pid 5203] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... clone resumed>, parent_tid=[5205], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5205 [pid 5200] write(3, "1000", 4 [pid 5199] <... clone resumed>, parent_tid=[5206], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5206 [pid 5204] <... setpgid resumed>) = 0 [pid 5202] <... openat resumed>) = 3 [pid 5201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... write resumed>) = 4 [pid 5199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5203] <... clone resumed>, parent_tid=[5207], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5207 [pid 5202] write(3, "1000", 4 [pid 5201] <... futex resumed>) = 0 [pid 5200] close(3 [pid 5199] <... futex resumed>) = 0 [pid 5204] <... openat resumed>) = 3 [pid 5203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... write resumed>) = 4 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] <... close resumed>) = 0 [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] write(3, "1000", 4 [pid 5203] <... futex resumed>) = 0 [pid 5202] close(3 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... write resumed>) = 4 [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5202] <... close resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5204] close(3 [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5206 attached [pid 5204] <... close resumed>) = 0 [pid 5202] <... futex resumed>) = 0 [pid 5200] <... mmap resumed>) = 0x7fc4ee163000 ./strace-static-x86_64: Process 5207 attached ./strace-static-x86_64: Process 5205 attached [pid 5206] set_robust_list(0x7fc4ee1839e0, 24 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5200] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5207] set_robust_list(0x7fc4ee1839e0, 24 [pid 5204] <... futex resumed>) = 0 [pid 5202] <... mmap resumed>) = 0x7fc4ee163000 [pid 5200] <... mprotect resumed>) = 0 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] set_robust_list(0x7fc4ee1839e0, 24 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5202] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5200] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5207] memfd_create("syzkaller", 0 [pid 5206] memfd_create("syzkaller", 0 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] <... mmap resumed>) = 0x7fc4ee163000 [pid 5202] <... mprotect resumed>) = 0 [pid 5206] <... memfd_create resumed>) = 3 [pid 5204] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5202] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5200] <... clone resumed>, parent_tid=[5208], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5208 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5205] memfd_create("syzkaller", 0 [pid 5204] <... mprotect resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5205] <... memfd_create resumed>) = 3 [pid 5204] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5202] <... clone resumed>, parent_tid=[5209], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5209 [pid 5200] <... futex resumed>) = 0 [pid 5202] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] <... clone resumed>, parent_tid=[5210], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5210 [pid 5202] <... futex resumed>) = 0 [pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5204] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] <... futex resumed>) = 0 [pid 5205] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5207] <... memfd_create resumed>) = 3 [pid 5206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5210 attached ./strace-static-x86_64: Process 5208 attached [pid 5207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5206] <... write resumed>) = 262144 [pid 5205] <... write resumed>) = 262144 [pid 5206] munmap(0x7fc4e5d63000, 262144 [pid 5205] munmap(0x7fc4e5d63000, 262144 [pid 5210] set_robust_list(0x7fc4ee1839e0, 24 [pid 5208] set_robust_list(0x7fc4ee1839e0, 24 [pid 5207] <... write resumed>) = 262144 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] munmap(0x7fc4e5d63000, 262144 [pid 5206] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5209 attached [pid 5210] memfd_create("syzkaller", 0 [pid 5208] memfd_create("syzkaller", 0 [pid 5207] <... munmap resumed>) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5205] <... munmap resumed>) = 0 [pid 5206] <... openat resumed>) = 4 [pid 5205] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5209] set_robust_list(0x7fc4ee1839e0, 24 [pid 5206] ioctl(4, LOOP_SET_FD, 3 [pid 5210] <... memfd_create resumed>) = 3 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] <... memfd_create resumed>) = 3 [pid 5207] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5206] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5205] <... openat resumed>) = 4 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5209] memfd_create("syzkaller", 0 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5207] <... openat resumed>) = 4 [pid 5206] ioctl(4, LOOP_CLR_FD [pid 5205] ioctl(4, LOOP_SET_FD, 3 [pid 5210] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5209] <... memfd_create resumed>) = 3 [pid 5208] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5206] <... ioctl resumed>) = 0 [pid 5205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5207] ioctl(4, LOOP_SET_FD, 3 [pid 5205] ioctl(4, LOOP_CLR_FD [pid 5207] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5209] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5207] ioctl(4, LOOP_CLR_FD [pid 5205] <... ioctl resumed>) = 0 [pid 5210] <... write resumed>) = 262144 [pid 5208] <... write resumed>) = 262144 [pid 5207] <... ioctl resumed>) = 0 [pid 5206] ioctl(4, LOOP_SET_FD, 3 [pid 5210] munmap(0x7fc4e5d63000, 262144 [pid 5208] munmap(0x7fc4e5d63000, 262144 [pid 5206] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] <... munmap resumed>) = 0 [pid 5209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5206] close(4 [pid 5210] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5208] <... munmap resumed>) = 0 [pid 5207] ioctl(4, LOOP_SET_FD, 3 [pid 5206] <... close resumed>) = 0 [pid 5210] <... openat resumed>) = 4 [pid 5209] <... write resumed>) = 262144 [pid 5208] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5207] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5206] close(3 [pid 5205] ioctl(4, LOOP_SET_FD, 3 [pid 5210] ioctl(4, LOOP_SET_FD, 3 [pid 5209] munmap(0x7fc4e5d63000, 262144 [pid 5208] <... openat resumed>) = 4 [pid 5207] close(4 [pid 5210] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5208] ioctl(4, LOOP_SET_FD, 3 [pid 5207] <... close resumed>) = 0 [pid 5210] ioctl(4, LOOP_CLR_FD [pid 5208] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5207] close(3 [pid 5206] <... close resumed>) = 0 [pid 5205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] <... ioctl resumed>) = 0 [pid 5209] <... munmap resumed>) = 0 [pid 5208] ioctl(4, LOOP_CLR_FD [pid 5207] <... close resumed>) = 0 [pid 5206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] close(4 [pid 5209] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5208] <... ioctl resumed>) = 0 [pid 5207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = 1 [pid 5205] <... close resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5209] <... openat resumed>) = 4 [pid 5207] <... futex resumed>) = 1 [pid 5206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] close(3 [pid 5203] <... futex resumed>) = 0 [pid 5199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] ioctl(4, LOOP_SET_FD, 3 [pid 5207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] fspick(AT_FDCWD, ".", 0 [pid 5205] <... close resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5210] close(4 [pid 5209] ioctl(4, LOOP_CLR_FD [pid 5208] ioctl(4, LOOP_SET_FD, 3 [pid 5207] <... futex resumed>) = 0 [pid 5206] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 1 [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... close resumed>) = 0 [pid 5209] <... ioctl resumed>) = 0 [pid 5208] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5207] fspick(AT_FDCWD, ".", 0 [pid 5206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 1 [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] close(3 [pid 5208] close(4 [pid 5207] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... close resumed>) = 0 [pid 5208] <... close resumed>) = 0 [pid 5207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] ioctl(4, LOOP_SET_FD, 3 [pid 5208] close(3 [pid 5207] <... futex resumed>) = 1 [pid 5206] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5208] <... close resumed>) = 0 [pid 5207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5205] fspick(AT_FDCWD, ".", 0 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] close(4 [pid 5208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5204] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... close resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5207] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5206] <... futex resumed>) = 0 [pid 5205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] fspick(AT_FDCWD, ".", 0 [pid 5209] close(3 [pid 5208] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] <... futex resumed>) = 1 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5209] <... close resumed>) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] fspick(AT_FDCWD, ".", 0 [pid 5207] <... futex resumed>) = 1 [pid 5206] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... openat resumed>) = 3 [pid 5205] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5204] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 0 [pid 5202] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 1 [pid 5207] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5206] <... futex resumed>) = 1 [pid 5205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5210] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5209] fspick(AT_FDCWD, ".", 0 [pid 5208] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... openat resumed>) = 3 [pid 5206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] <... futex resumed>) = 1 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5209] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5207] <... futex resumed>) = 1 [pid 5206] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5206] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5205] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... openat resumed>) = 3 [pid 5204] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 0 [pid 5202] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 1 [pid 5207] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5206] <... futex resumed>) = 1 [pid 5205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5210] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5209] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5208] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] <... futex resumed>) = 1 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] exit_group(0 [pid 5210] <... openat resumed>) = 3 [pid 5209] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = ? [pid 5205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... exit_group resumed>) = ? [pid 5210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5207] <... futex resumed>) = 1 [pid 5206] +++ exited with 0 +++ [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... openat resumed>) = 3 [pid 5207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5204] <... futex resumed>) = 0 [pid 5203] exit_group(0 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] +++ exited with 0 +++ [pid 5210] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = ? [pid 5205] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5204] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... exit_group resumed>) = ? [pid 5202] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 1 [pid 5207] +++ exited with 0 +++ [pid 5205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5203] +++ exited with 0 +++ [pid 5202] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5210] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5209] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5208] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] <... futex resumed>) = 1 [pid 5204] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5210] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = 0 [pid 5210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... openat resumed>) = 3 [pid 5208] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] exit_group(0 [pid 5200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5210] <... futex resumed>) = 1 [pid 5209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5205] <... futex resumed>) = ? [pid 5204] <... futex resumed>) = 0 [pid 5201] <... exit_group resumed>) = ? [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5210] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 1 [pid 5208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] +++ exited with 0 +++ [pid 5204] exit_group(0 [pid 5202] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = ? [pid 5209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = 1 [pid 5204] <... exit_group resumed>) = ? [pid 5202] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] +++ exited with 0 +++ [pid 5200] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5210] +++ exited with 0 +++ [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] +++ exited with 0 +++ [pid 5202] <... futex resumed>) = 0 [pid 5200] exit_group(0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5209] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5208] <... futex resumed>) = ? [pid 5202] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... exit_group resumed>) = ? [pid 5209] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5208] +++ exited with 0 +++ [pid 5200] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5209] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] exit_group(0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] <... ioctl resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5209] <... futex resumed>) = ? [pid 5202] <... exit_group resumed>) = ? [pid 5004] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5209] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5003] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] close(3 [pid 5001] close(3 [pid 4999] close(3 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5211 attached [pid 5211] set_robust_list(0x5555563db5e0, 24 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5211 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5212 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5211] <... prctl resumed>) = 0 [pid 5211] setpgid(0, 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5211] <... setpgid resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5213 [pid 5000] close(3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5214 [pid 5000] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5215 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5211] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5216 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5211] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5211] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5217], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5217 [pid 5211] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5215 attached [pid 5215] set_robust_list(0x5555563db5e0, 24 [pid 5213] <... prctl resumed>) = 0 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5213] setpgid(0, 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] <... setpgid resumed>) = 0 [pid 5215] <... prctl resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] setpgid(0, 0 [pid 5213] <... openat resumed>) = 3 [pid 5215] <... setpgid resumed>) = 0 [pid 5213] write(3, "1000", 4 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] <... write resumed>) = 4 [pid 5215] <... openat resumed>) = 3 [pid 5213] close(3 [pid 5215] write(3, "1000", 4 [pid 5213] <... close resumed>) = 0 [pid 5215] <... write resumed>) = 4 [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5217 attached [pid 5215] close(3 [pid 5213] <... futex resumed>) = 0 [pid 5217] set_robust_list(0x7fc4ee1839e0, 24 [pid 5215] <... close resumed>) = 0 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... mmap resumed>) = 0x7fc4ee163000 [pid 5217] memfd_create("syzkaller", 0 [pid 5215] <... futex resumed>) = 0 [pid 5213] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5217] <... memfd_create resumed>) = 3 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5213] <... mprotect resumed>) = 0 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5215] <... mmap resumed>) = 0x7fc4ee163000 [pid 5217] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5215] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5213] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5215] <... mprotect resumed>) = 0 [pid 5215] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5213] <... clone resumed>, parent_tid=[5218], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5218 [pid 5217] <... write resumed>) = 262144 [pid 5213] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... clone resumed>, parent_tid=[5219], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5219 [pid 5213] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5216 attached ./strace-static-x86_64: Process 5214 attached ./strace-static-x86_64: Process 5212 attached [pid 5215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5216] set_robust_list(0x5555563db5e0, 24 [pid 5215] <... futex resumed>) = 0 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5214] set_robust_list(0x5555563db5e0, 24 [pid 5212] set_robust_list(0x5555563db5e0, 24 [pid 5217] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5217] ioctl(4, LOOP_SET_FD, 3 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] ioctl(4, LOOP_CLR_FD) = 0 [pid 5216] <... prctl resumed>) = 0 [pid 5214] <... prctl resumed>) = 0 [pid 5212] <... prctl resumed>) = 0 [pid 5216] setpgid(0, 0 [pid 5214] setpgid(0, 0 [pid 5216] <... setpgid resumed>) = 0 [pid 5212] setpgid(0, 0 [pid 5214] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5219] memfd_create("syzkaller", 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5218 attached [pid 5219] <... memfd_create resumed>) = 3 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... openat resumed>) = 3 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5218] set_robust_list(0x7fc4ee1839e0, 24 [pid 5217] ioctl(4, LOOP_SET_FD, 3 [pid 5216] <... openat resumed>) = 3 [pid 5219] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5214] write(3, "1000", 4 [pid 5212] <... openat resumed>) = 3 [pid 5216] write(3, "1000", 4 [pid 5214] <... write resumed>) = 4 [pid 5212] write(3, "1000", 4 [pid 5216] <... write resumed>) = 4 [pid 5216] close(3 [pid 5214] close(3 [pid 5212] <... write resumed>) = 4 [pid 5216] <... close resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5212] close(3 [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5212] <... close resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5216] <... mmap resumed>) = 0x7fc4ee163000 [pid 5214] <... mmap resumed>) = 0x7fc4ee163000 [pid 5212] <... futex resumed>) = 0 [pid 5219] <... write resumed>) = 262144 [pid 5218] memfd_create("syzkaller", 0 [pid 5217] close(4 [pid 5216] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5214] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] munmap(0x7fc4e5d63000, 262144 [pid 5218] <... memfd_create resumed>) = 3 [pid 5217] <... close resumed>) = 0 [pid 5216] <... mprotect resumed>) = 0 [pid 5219] <... munmap resumed>) = 0 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5217] close(3 [pid 5214] <... mprotect resumed>) = 0 [pid 5212] <... mmap resumed>) = 0x7fc4ee163000 [pid 5219] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5218] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5217] <... close resumed>) = 0 [pid 5216] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5219] <... openat resumed>) = 4 [pid 5218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5212] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5219] ioctl(4, LOOP_SET_FD, 3 [pid 5218] <... write resumed>) = 262144 [pid 5217] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5219] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5218] munmap(0x7fc4e5d63000, 262144 [pid 5217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... clone resumed>, parent_tid=[5220], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5220 [pid 5214] <... clone resumed>, parent_tid=[5221], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5221 [pid 5212] <... mprotect resumed>) = 0 [pid 5211] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] ioctl(4, LOOP_CLR_FD [pid 5218] <... munmap resumed>) = 0 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5211] <... futex resumed>) = 0 [pid 5219] <... ioctl resumed>) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5217] fspick(AT_FDCWD, ".", 0 [pid 5216] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5220 attached [pid 5218] <... openat resumed>) = 4 [pid 5217] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5212] <... clone resumed>, parent_tid=[5222], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5222 [pid 5220] set_robust_list(0x7fc4ee1839e0, 24 [pid 5218] ioctl(4, LOOP_SET_FD, 3 [pid 5217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5217] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5219] ioctl(4, LOOP_SET_FD, 3 [pid 5218] ioctl(4, LOOP_CLR_FD [pid 5217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5211] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5221 attached [pid 5220] memfd_create("syzkaller", 0 [pid 5219] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5218] <... ioctl resumed>) = 0 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5222 attached [pid 5221] set_robust_list(0x7fc4ee1839e0, 24 [pid 5220] <... memfd_create resumed>) = 3 [pid 5219] close(4 [pid 5217] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] set_robust_list(0x7fc4ee1839e0, 24 [pid 5219] <... close resumed>) = 0 [pid 5217] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5219] close(3 [pid 5217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] memfd_create("syzkaller", 0 [pid 5221] memfd_create("syzkaller", 0 [pid 5220] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5219] <... close resumed>) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5222] <... memfd_create resumed>) = 3 [pid 5219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] ioctl(4, LOOP_SET_FD, 3 [pid 5217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5222] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] close(4 [pid 5217] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... memfd_create resumed>) = 3 [pid 5222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... close resumed>) = 0 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5217] <... openat resumed>) = 3 [pid 5215] <... futex resumed>) = 0 [pid 5222] <... write resumed>) = 262144 [pid 5221] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5219] fspick(AT_FDCWD, ".", 0 [pid 5218] close(3 [pid 5217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] munmap(0x7fc4e5d63000, 262144 [pid 5220] <... write resumed>) = 262144 [pid 5219] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5218] <... close resumed>) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5222] <... munmap resumed>) = 0 [pid 5221] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5220] munmap(0x7fc4e5d63000, 262144 [pid 5219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5219] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = 0 [pid 5222] <... openat resumed>) = 4 [pid 5221] <... write resumed>) = 262144 [pid 5219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] ioctl(4, LOOP_SET_FD, 3 [pid 5221] munmap(0x7fc4e5d63000, 262144 [pid 5220] <... munmap resumed>) = 0 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5222] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5221] <... munmap resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5219] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5218] fspick(AT_FDCWD, ".", 0 [pid 5217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] ioctl(4, LOOP_CLR_FD [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5220] <... openat resumed>) = 4 [pid 5219] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5218] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5217] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5222] <... ioctl resumed>) = 0 [pid 5221] <... openat resumed>) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3 [pid 5219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] exit_group(0 [pid 5221] ioctl(4, LOOP_SET_FD, 3 [pid 5220] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5219] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = ? [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5211] <... exit_group resumed>) = ? [pid 5221] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5220] ioctl(4, LOOP_CLR_FD [pid 5219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] +++ exited with 0 +++ [pid 5215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] +++ exited with 0 +++ [pid 5222] ioctl(4, LOOP_SET_FD, 3 [pid 5221] ioctl(4, LOOP_CLR_FD [pid 5220] <... ioctl resumed>) = 0 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5221] <... ioctl resumed>) = 0 [pid 5219] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5218] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] close(4 [pid 5219] <... openat resumed>) = 3 [pid 5218] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... close resumed>) = 0 [pid 5219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] close(3 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5222] <... close resumed>) = 0 [pid 5219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5219] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5218] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5218] <... openat resumed>) = 3 [pid 5219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5220] ioctl(4, LOOP_SET_FD, 3 [pid 5219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] exit_group(0 [pid 5213] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5222] <... futex resumed>) = 0 [pid 5220] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5219] <... futex resumed>) = ? [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... exit_group resumed>) = ? [pid 5213] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5003] <... openat resumed>) = 3 [pid 5222] fspick(AT_FDCWD, ".", 0 [pid 5221] ioctl(4, LOOP_SET_FD, 3 [pid 5220] close(4 [pid 5219] +++ exited with 0 +++ [pid 5218] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5215] +++ exited with 0 +++ [pid 5213] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5222] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5220] <... close resumed>) = 0 [pid 5218] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... ioctl resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] close(4 [pid 5220] close(3 [pid 5218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... close resumed>) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5213] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] close(3 [pid 5220] <... close resumed>) = 0 [pid 5218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] exit_group(0 [pid 5212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] <... futex resumed>) = ? [pid 5213] <... exit_group resumed>) = ? [pid 5212] <... futex resumed>) = 0 [pid 5222] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5221] <... close resumed>) = 0 [pid 5220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] +++ exited with 0 +++ [pid 5213] +++ exited with 0 +++ [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5222] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] fspick(AT_FDCWD, ".", 0 [pid 5221] <... futex resumed>) = 1 [pid 5001] <... openat resumed>) = 3 [pid 5214] <... futex resumed>) = 0 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5216] <... futex resumed>) = 0 [pid 5214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5223 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5222] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5222] <... openat resumed>) = 3 [pid 5221] fspick(AT_FDCWD, ".", 0 [pid 5220] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5220] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3./strace-static-x86_64: Process 5223 attached [pid 5222] <... futex resumed>) = 1 [pid 5221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 1 [pid 5220] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [pid 5212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] set_robust_list(0x5555563db5e0, 24 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... futex resumed>) = 0 [pid 5212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5222] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5221] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5220] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5224 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5220] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5225 attached [pid 5223] <... prctl resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5223] setpgid(0, 0 [pid 5222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 1 [pid 5220] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [pid 5212] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5225 [pid 5225] set_robust_list(0x5555563db5e0, 24 [pid 5223] <... setpgid resumed>) = 0 [pid 5222] <... futex resumed>) = ? [pid 5221] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... openat resumed>) = 3 [pid 5214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5224 attached [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] +++ exited with 0 +++ [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... futex resumed>) = 0 [pid 5212] +++ exited with 0 +++ [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] <... openat resumed>) = 3 [pid 5221] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5220] <... futex resumed>) = 1 [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... futex resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5223] write(3, "1000", 4 [pid 5221] <... openat resumed>) = 3 [pid 5220] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5225] setpgid(0, 0 [pid 5223] <... write resumed>) = 4 [pid 5221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5216] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5225] <... setpgid resumed>) = 0 [pid 5224] set_robust_list(0x5555563db5e0, 24 [pid 5223] close(3 [pid 5221] <... futex resumed>) = 1 [pid 5220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... close resumed>) = 0 [pid 5221] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5220] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5225] <... openat resumed>) = 3 [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5220] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] exit_group(0 [pid 5214] <... futex resumed>) = 0 [pid 5225] write(3, "1000", 4 [pid 5223] <... futex resumed>) = 0 [pid 5221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... exit_group resumed>) = ? [pid 5214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = ? [pid 5004] <... ioctl resumed>) = 0 [pid 5225] <... write resumed>) = 4 [pid 5223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5221] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5214] exit_group(0 [pid 5004] close(3 [pid 5225] close(3 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] <... mmap resumed>) = 0x7fc4ee163000 [pid 5214] <... exit_group resumed>) = ? [pid 5004] <... close resumed>) = 0 [pid 5223] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5221] +++ exited with 0 +++ [pid 5214] +++ exited with 0 +++ [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5225] <... close resumed>) = 0 [pid 5223] <... mprotect resumed>) = 0 [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... prctl resumed>) = 0 [pid 5223] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5225] <... futex resumed>) = 0 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] setpgid(0, 0 [pid 5223] <... clone resumed>, parent_tid=[5227], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5227 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5226 [pid 5000] <... openat resumed>) = 3 [pid 5225] <... mmap resumed>) = 0x7fc4ee163000 [pid 5223] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5224] <... setpgid resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5225] <... mprotect resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5225] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(3./strace-static-x86_64: Process 5226 attached [pid 5225] <... clone resumed>, parent_tid=[5228], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5228 [pid 5224] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 5225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] write(3, "1000", 4 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5225] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5227 attached ./strace-static-x86_64: Process 5228 attached [pid 5227] set_robust_list(0x7fc4ee1839e0, 24 [pid 4999] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5229 [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] <... write resumed>) = 4 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5224] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5224] <... close resumed>) = 0 [pid 4999] close(3 [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5228] set_robust_list(0x7fc4ee1839e0, 24 [pid 5226] set_robust_list(0x5555563db5e0, 24 [pid 5224] <... mmap resumed>) = 0x7fc4ee163000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5230 [pid 5224] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5224] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5227] <... set_robust_list resumed>) = 0 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] memfd_create("syzkaller", 0 [pid 5227] memfd_create("syzkaller", 0 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... clone resumed>, parent_tid=[5231], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5231 [pid 5228] <... memfd_create resumed>) = 3 [pid 5227] <... memfd_create resumed>) = 3 [pid 5226] <... prctl resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5226] setpgid(0, 0 [pid 5224] <... futex resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5227] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5226] <... setpgid resumed>) = 0 [pid 5228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5230 attached [pid 5228] <... write resumed>) = 262144 [pid 5227] <... write resumed>) = 262144 [pid 5226] <... openat resumed>) = 3 [pid 5230] set_robust_list(0x5555563db5e0, 24 [pid 5226] write(3, "1000", 4 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5226] <... write resumed>) = 4 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] close(3 [pid 5230] <... prctl resumed>) = 0 [pid 5226] <... close resumed>) = 0 [pid 5230] setpgid(0, 0 [pid 5228] munmap(0x7fc4e5d63000, 262144 [pid 5227] munmap(0x7fc4e5d63000, 262144 [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5231 attached ./strace-static-x86_64: Process 5229 attached [pid 5230] <... setpgid resumed>) = 0 [pid 5228] <... munmap resumed>) = 0 [pid 5227] <... munmap resumed>) = 0 [pid 5226] <... futex resumed>) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5227] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 4 [pid 5227] <... openat resumed>) = 4 [pid 5226] <... mmap resumed>) = 0x7fc4ee163000 [pid 5230] write(3, "1000", 4 [pid 5229] set_robust_list(0x5555563db5e0, 24 [pid 5228] ioctl(4, LOOP_SET_FD, 3 [pid 5227] ioctl(4, LOOP_SET_FD, 3 [pid 5226] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5230] <... write resumed>) = 4 [pid 5228] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5227] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5226] <... mprotect resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5231] set_robust_list(0x7fc4ee1839e0, 24 [pid 5230] close(3 [pid 5228] ioctl(4, LOOP_CLR_FD [pid 5227] ioctl(4, LOOP_CLR_FD [pid 5226] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] <... close resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] <... ioctl resumed>) = 0 [pid 5227] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5232 attached [pid 5231] memfd_create("syzkaller", 0 [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... prctl resumed>) = 0 [pid 5226] <... clone resumed>, parent_tid=[5232], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5232 [pid 5226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] setpgid(0, 0 [pid 5226] <... futex resumed>) = 0 [pid 5231] <... memfd_create resumed>) = 3 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... setpgid resumed>) = 0 [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5232] set_robust_list(0x7fc4ee1839e0, 24 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5232] <... set_robust_list resumed>) = 0 [pid 5232] memfd_create("syzkaller", 0 [pid 5231] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5229] <... openat resumed>) = 3 [pid 5232] <... memfd_create resumed>) = 3 [pid 5230] <... mmap resumed>) = 0x7fc4ee163000 [pid 5229] write(3, "1000", 4 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] <... write resumed>) = 4 [pid 5228] ioctl(4, LOOP_SET_FD, 3 [pid 5227] ioctl(4, LOOP_SET_FD, 3 [pid 5232] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5228] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5227] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5230] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5229] close(3 [pid 5228] close(4 [pid 5227] close(4 [pid 5229] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5228] close(3 [pid 5227] close(3 [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... write resumed>) = 262144 [pid 5230] <... mprotect resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5232] <... write resumed>) = 262144 [pid 5231] munmap(0x7fc4e5d63000, 262144 [pid 5230] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5229] <... mmap resumed>) = 0x7fc4ee163000 [pid 5228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... clone resumed>, parent_tid=[5233], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5233 [pid 5229] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5228] fspick(AT_FDCWD, ".", 0 [pid 5227] fspick(AT_FDCWD, ".", 0 [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] munmap(0x7fc4e5d63000, 262144 [pid 5231] <... munmap resumed>) = 0 [pid 5230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... mprotect resumed>) = 0 [pid 5228] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5232] <... munmap resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5230] <... futex resumed>) = 0 [pid 5229] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5232] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5231] <... openat resumed>) = 4 [pid 5229] <... clone resumed>, parent_tid=[5234], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5234 [pid 5228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... openat resumed>) = 4 [pid 5231] ioctl(4, LOOP_SET_FD, 3 [pid 5229] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5232] ioctl(4, LOOP_SET_FD, 3 [pid 5231] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5229] <... futex resumed>) = 0 [pid 5228] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5227] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5231] ioctl(4, LOOP_CLR_FD [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5228] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5227] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5232] ioctl(4, LOOP_CLR_FD [pid 5231] <... ioctl resumed>) = 0 [pid 5228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... ioctl resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5233 attached [pid 5228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] set_robust_list(0x7fc4ee1839e0, 24 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5234 attached [pid 5233] <... set_robust_list resumed>) = 0 [pid 5228] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5227] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] set_robust_list(0x7fc4ee1839e0, 24 [pid 5233] memfd_create("syzkaller", 0 [pid 5228] <... openat resumed>) = 3 [pid 5227] <... openat resumed>) = 3 [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] <... memfd_create resumed>) = 3 [pid 5232] ioctl(4, LOOP_SET_FD, 3 [pid 5231] ioctl(4, LOOP_SET_FD, 3 [pid 5228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] memfd_create("syzkaller", 0 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5232] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5231] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5234] <... memfd_create resumed>) = 3 [pid 5233] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5232] close(4 [pid 5231] close(4 [pid 5228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5232] <... close resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5234] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5233] <... write resumed>) = 262144 [pid 5232] close(3 [pid 5231] close(3 [pid 5228] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5227] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5233] munmap(0x7fc4e5d63000, 262144 [pid 5232] <... close resumed>) = 0 [pid 5228] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5227] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5234] <... write resumed>) = 262144 [pid 5233] <... munmap resumed>) = 0 [pid 5232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... close resumed>) = 0 [pid 5228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] munmap(0x7fc4e5d63000, 262144 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5232] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5234] <... munmap resumed>) = 0 [pid 5233] <... openat resumed>) = 4 [pid 5232] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] exit_group(0 [pid 5223] exit_group(0 [pid 5234] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5233] ioctl(4, LOOP_SET_FD, 3 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5228] <... futex resumed>) = ? [pid 5227] <... futex resumed>) = ? [pid 5226] <... futex resumed>) = 0 [pid 5225] <... exit_group resumed>) = ? [pid 5223] <... exit_group resumed>) = ? [pid 5234] <... openat resumed>) = 4 [pid 5233] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5232] fspick(AT_FDCWD, ".", 0 [pid 5228] +++ exited with 0 +++ [pid 5227] +++ exited with 0 +++ [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 5234] ioctl(4, LOOP_SET_FD, 3 [pid 5233] ioctl(4, LOOP_CLR_FD [pid 5232] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5233] <... ioctl resumed>) = 0 [pid 5232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] ioctl(4, LOOP_CLR_FD [pid 5232] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5234] <... ioctl resumed>) = 0 [pid 5232] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5232] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5232] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5232] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... openat resumed>) = 3 [pid 5232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] ioctl(4, LOOP_SET_FD, 3 [pid 5232] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5233] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5232] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] ioctl(4, LOOP_SET_FD, 3 [pid 5233] close(4 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5234] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5233] <... close resumed>) = 0 [pid 5232] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] close(4 [pid 5233] close(3 [pid 5232] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5234] <... close resumed>) = 0 [pid 5233] <... close resumed>) = 0 [pid 5232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5234] close(3 [pid 5233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5234] <... close resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5226] exit_group(0 [pid 5224] <... futex resumed>) = 0 [pid 5234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = ? [pid 5230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... exit_group resumed>) = ? [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] +++ exited with 0 +++ [pid 5231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5226] +++ exited with 0 +++ [pid 5224] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] fspick(AT_FDCWD, ".", 0 [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5233] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5233] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5231] fspick(AT_FDCWD, ".", 0 [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... futex resumed>) = 1 [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5234] fspick(AT_FDCWD, ".", 0 [pid 5233] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5231] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5234] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5234] <... futex resumed>) = 1 [pid 5233] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... openat resumed>) = 3 [pid 5234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5231] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... futex resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5003] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5234] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5233] <... openat resumed>) = 3 [pid 5231] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5234] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 1 [pid 5230] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5233] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... futex resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5003] close(3 [pid 5231] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5234] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5233] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5235 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... openat resumed>) = 3 [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 1 [pid 5231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] <... futex resumed>) = 1 [pid 5233] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] exit_group(0 [pid 5229] <... futex resumed>) = 0 [pid 5234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = ? [pid 5230] <... exit_group resumed>) = ? [pid 5229] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] +++ exited with 0 +++ [pid 5231] <... futex resumed>) = 0 [pid 5230] +++ exited with 0 +++ [pid 5229] <... futex resumed>) = 0 [pid 5224] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5236 [pid 5234] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5231] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5229] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5235 attached [pid 5234] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5231] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5224] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5237 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5235] set_robust_list(0x5555563db5e0, 24 [pid 5234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5224] exit_group(0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] exit_group(0 [pid 5224] <... exit_group resumed>) = ? [pid 5235] <... prctl resumed>) = 0 [pid 5234] <... futex resumed>) = ? [pid 5229] <... exit_group resumed>) = ? [pid 5235] setpgid(0, 0 [pid 5234] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5237 attached [pid 5235] <... setpgid resumed>) = 0 [pid 5237] set_robust_list(0x5555563db5e0, 24 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5237] <... set_robust_list resumed>) = 0 [pid 5235] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] write(3, "1000", 4 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 5000] close(3 [pid 5237] <... prctl resumed>) = 0 [pid 5235] <... write resumed>) = 4 [pid 5237] setpgid(0, 0 [pid 5235] close(3 [pid 5237] <... setpgid resumed>) = 0 [pid 5235] <... close resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5238 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5237] <... openat resumed>) = 3 [pid 5235] <... futex resumed>) = 0 [pid 5237] write(3, "1000", 4 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... write resumed>) = 4 [pid 5235] <... mmap resumed>) = 0x7fc4ee163000 [pid 5237] close(3 [pid 5235] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... close resumed>) = 0 [pid 5235] <... mprotect resumed>) = 0 [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5239 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5240 [pid 5237] <... futex resumed>) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] <... clone resumed>, parent_tid=[5241], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5241 [pid 5237] <... mmap resumed>) = 0x7fc4ee163000 [pid 5235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5235] <... futex resumed>) = 0 [pid 5237] <... mprotect resumed>) = 0 [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5237] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5238 attached , parent_tid=[5242], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5242 [pid 5238] set_robust_list(0x5555563db5e0, 24 [pid 5237] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5239 attached [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5239] set_robust_list(0x5555563db5e0, 24 [pid 5238] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5236 attached [pid 5239] <... set_robust_list resumed>) = 0 [pid 5238] setpgid(0, 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] <... setpgid resumed>) = 0 [pid 5236] set_robust_list(0x5555563db5e0, 24 [pid 5239] <... prctl resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5241 attached [pid 5239] setpgid(0, 0 [pid 5238] <... openat resumed>) = 3 [pid 5241] set_robust_list(0x7fc4ee1839e0, 24 [pid 5239] <... setpgid resumed>) = 0 [pid 5238] write(3, "1000", 4 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] <... write resumed>) = 4 ./strace-static-x86_64: Process 5240 attached [pid 5241] memfd_create("syzkaller", 0 [pid 5239] <... openat resumed>) = 3 [pid 5238] close(3 [pid 5236] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5242 attached [pid 5241] <... memfd_create resumed>) = 3 [pid 5239] write(3, "1000", 4 [pid 5238] <... close resumed>) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] set_robust_list(0x7fc4ee1839e0, 24 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5239] <... write resumed>) = 4 [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5240] set_robust_list(0x5555563db5e0, 24 [pid 5239] close(3 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... prctl resumed>) = 0 [pid 5242] memfd_create("syzkaller", 0 [pid 5241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] <... close resumed>) = 0 [pid 5238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] setpgid(0, 0 [pid 5242] <... memfd_create resumed>) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5241] <... write resumed>) = 262144 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... mmap resumed>) = 0x7fc4ee163000 [pid 5236] <... setpgid resumed>) = 0 [pid 5242] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5240] <... prctl resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5238] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5240] setpgid(0, 0 [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... mprotect resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5242] <... write resumed>) = 262144 [pid 5241] munmap(0x7fc4e5d63000, 262144 [pid 5240] <... setpgid resumed>) = 0 [pid 5239] <... mmap resumed>) = 0x7fc4ee163000 [pid 5238] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5241] <... munmap resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5236] <... openat resumed>) = 3 [pid 5241] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5240] <... openat resumed>) = 3 [pid 5239] <... mprotect resumed>) = 0 [pid 5238] <... clone resumed>, parent_tid=[5243], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5243 [pid 5241] <... openat resumed>) = 4 [pid 5240] write(3, "1000", 4 [pid 5239] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] write(3, "1000", 4 [pid 5242] munmap(0x7fc4e5d63000, 262144 [pid 5241] ioctl(4, LOOP_SET_FD, 3 [pid 5240] <... write resumed>) = 4 [pid 5238] <... futex resumed>) = 0 [pid 5242] <... munmap resumed>) = 0 [pid 5241] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5240] close(3 [pid 5239] <... clone resumed>, parent_tid=[5244], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5244 [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] <... write resumed>) = 4 [pid 5242] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5241] ioctl(4, LOOP_CLR_FD [pid 5239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... openat resumed>) = 4 [pid 5241] <... ioctl resumed>) = 0 [pid 5240] <... close resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5236] close(3 [pid 5242] ioctl(4, LOOP_SET_FD, 3 [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] <... close resumed>) = 0 [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... futex resumed>) = 0 [pid 5242] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] <... mmap resumed>) = 0x7fc4ee163000 [pid 5236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5244 attached [pid 5244] set_robust_list(0x7fc4ee1839e0, 24 [pid 5236] <... mmap resumed>) = 0x7fc4ee163000 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5240] <... mprotect resumed>) = 0 [pid 5236] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5241] close(4) = 0 [pid 5241] close(3) = 0 [pid 5240] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5236] <... mprotect resumed>) = 0 [pid 5242] ioctl(4, LOOP_SET_FD, 3 [pid 5241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5241] <... futex resumed>) = 1 [pid 5236] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5235] <... futex resumed>) = 0 [pid 5242] close(4 [pid 5241] fspick(AT_FDCWD, ".", 0 [pid 5235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... close resumed>) = 0 [pid 5241] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... clone resumed>, parent_tid=[5245], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5245 [pid 5235] <... futex resumed>) = 0 [pid 5244] memfd_create("syzkaller", 0 [pid 5242] close(3 [pid 5241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... clone resumed>, parent_tid=[5246], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5246 [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... memfd_create resumed>) = 3 [pid 5242] <... close resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5236] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] <... futex resumed>) = 0 [pid 5235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5237] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5237] <... futex resumed>) = 0 [pid 5242] fspick(AT_FDCWD, ".", 0 [pid 5241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5242] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... write resumed>) = 262144 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... openat resumed>) = 3 [pid 5237] <... futex resumed>) = 0 [pid 5242] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5241] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5237] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] munmap(0x7fc4e5d63000, 262144 [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5237] <... futex resumed>) = 0 [pid 5244] <... munmap resumed>) = 0 [pid 5242] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... openat resumed>) = 3 [pid 5241] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] exit_group(0./strace-static-x86_64: Process 5246 attached ./strace-static-x86_64: Process 5245 attached [pid 5244] <... openat resumed>) = 4 [pid 5242] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = ? [pid 5237] <... futex resumed>) = 0 [pid 5235] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5243 attached [pid 5244] ioctl(4, LOOP_SET_FD, 3 [pid 5242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] +++ exited with 0 +++ [pid 5237] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] +++ exited with 0 +++ [pid 5246] set_robust_list(0x7fc4ee1839e0, 24 [pid 5245] set_robust_list(0x7fc4ee1839e0, 24 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5244] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5243] set_robust_list(0x7fc4ee1839e0, 24 [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5246] memfd_create("syzkaller", 0 [pid 5245] memfd_create("syzkaller", 0 [pid 5244] ioctl(4, LOOP_CLR_FD [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5237] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5246] <... memfd_create resumed>) = 3 [pid 5245] <... memfd_create resumed>) = 3 [pid 5244] <... ioctl resumed>) = 0 [pid 5243] memfd_create("syzkaller", 0 [pid 5242] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5243] <... memfd_create resumed>) = 3 [pid 5242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5245] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5242] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] exit_group(0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5242] <... futex resumed>) = ? [pid 5237] <... exit_group resumed>) = ? [pid 5004] <... openat resumed>) = 3 [pid 5246] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5244] ioctl(4, LOOP_SET_FD, 3 [pid 5243] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5242] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5244] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... ioctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5244] close(4 [pid 5004] close(3 [pid 5244] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5244] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5245] <... write resumed>) = 262144 [pid 5244] <... close resumed>) = 0 [pid 5243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5246] <... write resumed>) = 262144 [pid 5245] munmap(0x7fc4e5d63000, 262144 [pid 5244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5247 [pid 5002] <... openat resumed>) = 3 [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5246] munmap(0x7fc4e5d63000, 262144 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5245] <... munmap resumed>) = 0 [pid 5244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5246] <... munmap resumed>) = 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5246] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5245] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5244] fspick(AT_FDCWD, ".", 0 [pid 5243] <... write resumed>) = 262144 [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] <... openat resumed>) = 4 [pid 5245] <... openat resumed>) = 4 [pid 5244] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5243] munmap(0x7fc4e5d63000, 262144 [pid 5002] <... close resumed>) = 0 [pid 5246] ioctl(4, LOOP_SET_FD, 3 [pid 5245] ioctl(4, LOOP_SET_FD, 3 [pid 5244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5245] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] <... munmap resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5246] ioctl(4, LOOP_CLR_FD [pid 5245] ioctl(4, LOOP_CLR_FD [pid 5244] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5243] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5248 [pid 5246] <... ioctl resumed>) = 0 [pid 5245] <... ioctl resumed>) = 0 [pid 5244] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5243] <... openat resumed>) = 4 [pid 5244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] ioctl(4, LOOP_SET_FD, 3 [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] ioctl(4, LOOP_CLR_FD [pid 5239] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5247 attached [pid 5246] ioctl(4, LOOP_SET_FD, 3 [pid 5245] ioctl(4, LOOP_SET_FD, 3 [pid 5244] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5243] <... ioctl resumed>) = 0 [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5248 attached [pid 5247] set_robust_list(0x5555563db5e0, 24 [pid 5246] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5245] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5244] <... openat resumed>) = 3 [pid 5248] set_robust_list(0x5555563db5e0, 24 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] close(4 [pid 5245] close(4 [pid 5244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] <... close resumed>) = 0 [pid 5245] <... close resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5247] <... prctl resumed>) = 0 [pid 5246] close(3 [pid 5245] close(3 [pid 5244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... prctl resumed>) = 0 [pid 5247] setpgid(0, 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... futex resumed>) = 0 [pid 5248] setpgid(0, 0 [pid 5247] <... setpgid resumed>) = 0 [pid 5246] <... close resumed>) = 0 [pid 5244] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... setpgid resumed>) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... close resumed>) = 0 [pid 5244] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5243] ioctl(4, LOOP_SET_FD, 3 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5247] <... openat resumed>) = 3 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5236] <... futex resumed>) = 0 [pid 5248] <... openat resumed>) = 3 [pid 5247] write(3, "1000", 4 [pid 5246] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 1 [pid 5243] close(4 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5236] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] write(3, "1000", 4 [pid 5247] <... write resumed>) = 4 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... close resumed>) = 0 [pid 5240] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] exit_group(0 [pid 5236] <... futex resumed>) = 0 [pid 5248] <... write resumed>) = 4 [pid 5247] close(3 [pid 5246] fspick(AT_FDCWD, ".", 0 [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] <... futex resumed>) = ? [pid 5243] close(3 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... exit_group resumed>) = ? [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] close(3 [pid 5247] <... close resumed>) = 0 [pid 5246] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5245] fspick(AT_FDCWD, ".", 0 [pid 5244] +++ exited with 0 +++ [pid 5243] <... close resumed>) = 0 [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] +++ exited with 0 +++ [pid 5248] <... close resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5246] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5247] <... mmap resumed>) = 0x7fc4ee163000 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5248] <... mmap resumed>) = 0x7fc4ee163000 [pid 5247] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5246] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] fspick(AT_FDCWD, ".", 0 [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5248] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5247] <... mprotect resumed>) = 0 [pid 5246] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5245] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5243] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... mprotect resumed>) = 0 [pid 5247] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5248] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5247] <... clone resumed>, parent_tid=[5249], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5249 [pid 5246] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5248] <... clone resumed>, parent_tid=[5250], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5250 [pid 5247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5246] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5246] <... openat resumed>) = 3 [pid 5245] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5243] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... openat resumed>) = 3 [pid 5243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5250 attached [pid 5250] set_robust_list(0x7fc4ee1839e0, 24 [pid 5249] set_robust_list(0x7fc4ee1839e0, 24 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5246] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5251 [pid 5249] memfd_create("syzkaller", 0 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5249] <... memfd_create resumed>) = 3 [pid 5246] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5246] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5245] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5243] <... openat resumed>) = 3 [pid 5240] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] memfd_create("syzkaller", 0 [pid 5249] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5250] <... memfd_create resumed>) = 3 [pid 5246] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] exit_group(0 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5246] <... futex resumed>) = ? [pid 5245] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] exit_group(0 [pid 5238] <... futex resumed>) = 0 [pid 5236] <... exit_group resumed>) = ? [pid 5250] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5246] +++ exited with 0 +++ [pid 5245] <... futex resumed>) = ? [pid 5243] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5240] <... exit_group resumed>) = ? [pid 5238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5251 attached [pid 5250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5245] +++ exited with 0 +++ [pid 5243] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5236] +++ exited with 0 +++ [pid 5251] set_robust_list(0x5555563db5e0, 24 [pid 5250] <... write resumed>) = 262144 [pid 5243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5251] <... set_robust_list resumed>) = 0 [pid 5249] <... write resumed>) = 262144 [pid 5243] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] munmap(0x7fc4e5d63000, 262144 [pid 5243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] exit_group(0 [pid 5251] <... prctl resumed>) = 0 [pid 5250] munmap(0x7fc4e5d63000, 262144 [pid 5243] <... futex resumed>) = ? [pid 5238] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5251] setpgid(0, 0 [pid 5250] <... munmap resumed>) = 0 [pid 5249] <... munmap resumed>) = 0 [pid 5243] +++ exited with 0 +++ [pid 5251] <... setpgid resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5238] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5249] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 3 [pid 5251] <... openat resumed>) = 3 [pid 5250] ioctl(4, LOOP_SET_FD, 3 [pid 5249] <... openat resumed>) = 4 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5251] write(3, "1000", 4 [pid 5250] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5249] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5251] <... write resumed>) = 4 [pid 5250] ioctl(4, LOOP_CLR_FD [pid 5249] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 5251] close(3 [pid 5250] <... ioctl resumed>) = 0 [pid 5249] ioctl(4, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5000] close(3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 5251] <... close resumed>) = 0 [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... ioctl resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5252 [pid 5251] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5251] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5250] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5253 [pid 5251] <... mprotect resumed>) = 0 [pid 5250] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] <... openat resumed>) = 3 [pid 5251] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5250] close(4 [pid 5249] ioctl(4, LOOP_SET_FD, 3 [pid 5251] <... clone resumed>, parent_tid=[5254], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5254 [pid 5250] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5252 attached [pid 5251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] close(3 [pid 5249] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] close(3 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... close resumed>) = 0 [pid 5249] close(4 [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5254 attached [pid 5252] set_robust_list(0x5555563db5e0, 24 [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5254] set_robust_list(0x7fc4ee1839e0, 24 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5249] close(3 [pid 5248] <... futex resumed>) = 0 [pid 5250] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] <... futex resumed>) = 0 [pid 5250] fspick(AT_FDCWD, ".", 0 [pid 5249] <... close resumed>) = 0 [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... set_robust_list resumed>) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5255 [pid 5254] memfd_create("syzkaller", 0 [pid 5252] <... prctl resumed>) = 0 [pid 5250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5254] <... memfd_create resumed>) = 3 [pid 5252] setpgid(0, 0 [pid 5250] <... futex resumed>) = 1 [pid 5249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] <... futex resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5255 attached [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5253] set_robust_list(0x5555563db5e0, 24 [pid 5252] <... setpgid resumed>) = 0 [pid 5250] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5254] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5249] fspick(AT_FDCWD, ".", 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5252] <... openat resumed>) = 3 [pid 5250] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5249] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... prctl resumed>) = 0 [pid 5252] write(3, "1000", 4 [pid 5250] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] set_robust_list(0x5555563db5e0, 24 [pid 5254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5253] setpgid(0, 0 [pid 5252] <... write resumed>) = 4 [pid 5250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5253] <... setpgid resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5253] <... openat resumed>) = 3 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] <... futex resumed>) = 0 [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] write(3, "1000", 4 [pid 5250] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... write resumed>) = 4 [pid 5250] <... openat resumed>) = 3 [pid 5253] close(3 [pid 5250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... close resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5248] <... futex resumed>) = 0 [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] <... futex resumed>) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... mmap resumed>) = 0x7fc4ee163000 [pid 5250] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5253] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5252] close(3 [pid 5250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5253] <... mprotect resumed>) = 0 [pid 5252] <... close resumed>) = 0 [pid 5250] <... futex resumed>) = 1 [pid 5249] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5248] <... futex resumed>) = 0 [pid 5254] <... write resumed>) = 262144 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] exit_group(0 [pid 5255] <... prctl resumed>) = 0 [pid 5254] munmap(0x7fc4e5d63000, 262144 [pid 5252] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = ? [pid 5249] <... futex resumed>) = 1 [pid 5248] <... exit_group resumed>) = ? [pid 5247] <... futex resumed>) = 0 [pid 5255] setpgid(0, 0 [pid 5254] <... munmap resumed>) = 0 [pid 5253] <... clone resumed>, parent_tid=[5256], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5256 [pid 5252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] +++ exited with 0 +++ [pid 5249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] +++ exited with 0 +++ [pid 5247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... setpgid resumed>) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5253] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... mmap resumed>) = 0x7fc4ee163000 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5254] <... openat resumed>) = 4 [pid 5253] <... futex resumed>) = 0 [pid 5252] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5249] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5255] <... openat resumed>) = 3 [pid 5254] ioctl(4, LOOP_SET_FD, 3 [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5252] <... mprotect resumed>) = 0 [pid 5255] write(3, "1000", 4 [pid 5254] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5252] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5249] <... openat resumed>) = 3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5255] <... write resumed>) = 4 [pid 5254] ioctl(4, LOOP_CLR_FD [pid 5255] close(3 [pid 5254] <... ioctl resumed>) = 0 [pid 5249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... close resumed>) = 0 [pid 5252] <... clone resumed>, parent_tid=[5257], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5257 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5255] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5249] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5255] <... mmap resumed>) = 0x7fc4ee163000 [pid 5249] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5254] ioctl(4, LOOP_SET_FD, 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5255] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5254] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5256 attached [pid 5255] <... mprotect resumed>) = 0 [pid 5254] close(4 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] exit_group(0 [pid 5002] <... close resumed>) = 0 [pid 5249] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5254] <... close resumed>) = 0 [pid 5249] +++ exited with 0 +++ ./strace-static-x86_64: Process 5257 attached [pid 5256] set_robust_list(0x7fc4ee1839e0, 24 [pid 5257] set_robust_list(0x7fc4ee1839e0, 24 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] memfd_create("syzkaller", 0 [pid 5257] memfd_create("syzkaller", 0 [pid 5256] <... memfd_create resumed>) = 3 [pid 5257] <... memfd_create resumed>) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5256] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5255] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5254] close(3 [pid 5247] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5258 [pid 5257] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5254] <... close resumed>) = 0 ./strace-static-x86_64: Process 5258 attached [pid 5257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5255] <... clone resumed>, parent_tid=[5259], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5259 [pid 5254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5259 attached [pid 5256] <... write resumed>) = 262144 [pid 5255] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5259] set_robust_list(0x7fc4ee1839e0, 24 [pid 5258] set_robust_list(0x5555563db5e0, 24 [pid 5257] <... write resumed>) = 262144 [pid 5255] <... futex resumed>) = 0 [pid 5254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] fspick(AT_FDCWD, ".", 0 [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5259] memfd_create("syzkaller", 0 [pid 5258] <... prctl resumed>) = 0 [pid 5256] munmap(0x7fc4e5d63000, 262144 [pid 5254] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5259] <... memfd_create resumed>) = 3 [pid 5258] setpgid(0, 0 [pid 5257] munmap(0x7fc4e5d63000, 262144 [pid 5256] <... munmap resumed>) = 0 [pid 5254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5258] <... setpgid resumed>) = 0 [pid 5257] <... munmap resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5259] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5256] <... openat resumed>) = 4 [pid 5254] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5257] <... openat resumed>) = 4 [pid 5256] ioctl(4, LOOP_SET_FD, 3 [pid 5251] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5257] ioctl(4, LOOP_SET_FD, 3 [pid 5256] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5257] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5256] ioctl(4, LOOP_CLR_FD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5258] <... openat resumed>) = 3 [pid 5257] ioctl(4, LOOP_CLR_FD [pid 5256] <... ioctl resumed>) = 0 [pid 5254] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5257] <... ioctl resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5260 ./strace-static-x86_64: Process 5260 attached [pid 5259] <... write resumed>) = 262144 [pid 5258] write(3, "1000", 4 [pid 5254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] munmap(0x7fc4e5d63000, 262144 [pid 5258] <... write resumed>) = 4 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5260] set_robust_list(0x5555563db5e0, 24 [pid 5259] <... munmap resumed>) = 0 [pid 5258] close(3 [pid 5254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5258] <... close resumed>) = 0 [pid 5257] ioctl(4, LOOP_SET_FD, 3 [pid 5256] ioctl(4, LOOP_SET_FD, 3 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5259] <... openat resumed>) = 4 [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5254] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5260] <... prctl resumed>) = 0 [pid 5259] ioctl(4, LOOP_SET_FD, 3 [pid 5258] <... futex resumed>) = 0 [pid 5257] close(4 [pid 5256] close(4 [pid 5254] <... openat resumed>) = 3 [pid 5260] setpgid(0, 0 [pid 5259] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5257] <... close resumed>) = 0 [pid 5256] <... close resumed>) = 0 [pid 5254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... setpgid resumed>) = 0 [pid 5259] ioctl(4, LOOP_CLR_FD [pid 5258] <... mmap resumed>) = 0x7fc4ee163000 [pid 5257] close(3 [pid 5256] close(3 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] <... ioctl resumed>) = 0 [pid 5258] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... openat resumed>) = 3 [pid 5258] <... mprotect resumed>) = 0 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5260] write(3, "1000", 4 [pid 5258] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5254] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... write resumed>) = 4 [pid 5256] <... close resumed>) = 0 [pid 5254] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5260] close(3 [pid 5258] <... clone resumed>, parent_tid=[5261], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5261 [pid 5254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... close resumed>) = 0 [pid 5258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... close resumed>) = 0 [pid 5256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = 0 [pid 5254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = 0 [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5251] exit_group(0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5259] ioctl(4, LOOP_SET_FD, 3 [pid 5257] <... futex resumed>) = 1 [pid 5256] fspick(AT_FDCWD, ".", 0 [pid 5254] <... futex resumed>) = ? [pid 5253] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... exit_group resumed>) = ? [pid 5260] <... mmap resumed>) = 0x7fc4ee163000 [pid 5259] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5254] +++ exited with 0 +++ [pid 5252] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5259] close(4 [pid 5252] <... futex resumed>) = 0 [pid 5260] <... mprotect resumed>) = 0 [pid 5259] <... close resumed>) = 0 [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5259] close(3) = 0 [pid 5257] fspick(AT_FDCWD, ".", 0 [pid 5256] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5253] <... futex resumed>) = 0 [pid 5251] +++ exited with 0 +++ [pid 5260] <... clone resumed>, parent_tid=[5262], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5262 [pid 5259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5260] <... futex resumed>) = 0 [pid 5259] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... futex resumed>) = 1 [pid 5256] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5255] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5256] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5255] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5252] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] fspick(AT_FDCWD, ".", 0 [pid 5257] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = 0 [pid 5259] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... openat resumed>) = 3 [pid 5259] <... futex resumed>) = 1 [pid 5257] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5252] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5259] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5255] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5255] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5259] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] <... openat resumed>) = 3 [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5259] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... futex resumed>) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5252] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5257] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] <... futex resumed>) = 0 [pid 5253] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5263 [pid 5259] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5252] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5255] <... futex resumed>) = 0 [pid 5253] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5262 attached [pid 5259] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] exit_group(0 [pid 5262] set_robust_list(0x7fc4ee1839e0, 24 [pid 5259] <... openat resumed>) = 3 [pid 5256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... exit_group resumed>) = ? [pid 5262] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] +++ exited with 0 +++ [pid 5262] memfd_create("syzkaller", 0 [pid 5259] <... futex resumed>) = 1 [pid 5255] <... futex resumed>) = 0 [pid 5262] <... memfd_create resumed>) = 3 [pid 5259] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] <... futex resumed>) = 0 [pid 5262] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5259] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5256] <... futex resumed>) = 1 [pid 5255] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] <... futex resumed>) = 0 [pid 5252] +++ exited with 0 +++ [pid 5262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5259] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] exit_group(0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = ? [pid 5253] <... exit_group resumed>) = ? [pid 5003] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5261 attached [pid 5262] <... write resumed>) = 262144 [pid 5259] <... futex resumed>) = 1 [pid 5256] +++ exited with 0 +++ [pid 5255] <... futex resumed>) = 0 [pid 5253] +++ exited with 0 +++ [pid 5003] <... restart_syscall resumed>) = 0 [pid 5259] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5255] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5261] set_robust_list(0x7fc4ee1839e0, 24 [pid 5259] <... futex resumed>) = ? [pid 5255] <... exit_group resumed>) = ? [pid 5261] <... set_robust_list resumed>) = 0 [pid 5259] +++ exited with 0 +++ [pid 5255] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5263 attached ) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] set_robust_list(0x5555563db5e0, 24 [pid 5262] munmap(0x7fc4e5d63000, 262144 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5263] <... set_robust_list resumed>) = 0 [pid 5261] memfd_create("syzkaller", 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] <... munmap resumed>) = 0 [pid 5261] <... memfd_create resumed>) = 3 [pid 5003] close(3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5263] <... prctl resumed>) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] <... close resumed>) = 0 [pid 5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5263] setpgid(0, 0 [pid 5262] <... openat resumed>) = 4 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5263] <... setpgid resumed>) = 0 [pid 5262] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... openat resumed>) = 3 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5263] <... openat resumed>) = 3 [pid 5262] ioctl(4, LOOP_CLR_FD [pid 5261] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5264 [pid 5000] <... ioctl resumed>) = 0 [pid 5263] write(3, "1000", 4 [pid 5262] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 4999] <... openat resumed>) = 3 [pid 5263] <... write resumed>) = 4 [pid 5000] <... close resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5263] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5265 [pid 4999] close(3 [pid 5263] <... futex resumed>) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4999] <... close resumed>) = 0 [pid 5263] <... mmap resumed>) = 0x7fc4ee163000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] ioctl(4, LOOP_SET_FD, 3 [pid 5263] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5262] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5262] close(4 [pid 5261] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5266 [pid 5263] <... clone resumed>, parent_tid=[5267], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5267 [pid 5262] <... close resumed>) = 0 [pid 5263] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] close(3 [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5262] <... close resumed>) = 0 [pid 5262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5264 attached ) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5264] set_robust_list(0x5555563db5e0, 24 [pid 5262] fspick(AT_FDCWD, ".", 0 [pid 5260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5262] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5260] <... futex resumed>) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... prctl resumed>) = 0 [pid 5262] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] setpgid(0, 0 [pid 5262] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... setpgid resumed>) = 0 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] <... futex resumed>) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5261] <... write resumed>) = 262144 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... openat resumed>) = 3 [pid 5262] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5261] munmap(0x7fc4e5d63000, 262144 [pid 5264] write(3, "1000", 4 [pid 5262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... write resumed>) = 4 [pid 5262] <... futex resumed>) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5264] close(3 [pid 5262] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... close resumed>) = 0 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] <... futex resumed>) = 0 [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... futex resumed>) = 0 [pid 5262] <... openat resumed>) = 3 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5266 attached [pid 5264] <... mmap resumed>) = 0x7fc4ee163000 [pid 5262] <... futex resumed>) = 1 [pid 5261] <... munmap resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5264] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5262] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5266] set_robust_list(0x5555563db5e0, 24 [pid 5264] <... mprotect resumed>) = 0 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5267 attached [pid 5266] <... set_robust_list resumed>) = 0 [pid 5264] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5262] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5261] <... openat resumed>) = 4 [pid 5260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] set_robust_list(0x7fc4ee1839e0, 24 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5261] ioctl(4, LOOP_SET_FD, 3 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5264] <... clone resumed>, parent_tid=[5268], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5268 [pid 5262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5266] <... prctl resumed>) = 0 [pid 5267] memfd_create("syzkaller", 0 [pid 5264] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 1 [pid 5261] ioctl(4, LOOP_CLR_FD [pid 5260] <... futex resumed>) = 0 [pid 5267] <... memfd_create resumed>) = 3 [pid 5266] setpgid(0, 0 [pid 5264] <... futex resumed>) = 0 [pid 5262] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] exit_group(0 [pid 5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5262] <... futex resumed>) = ? [pid 5260] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5265 attached [pid 5267] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5266] <... setpgid resumed>) = 0 [pid 5262] +++ exited with 0 +++ [pid 5261] <... ioctl resumed>) = 0 [pid 5260] +++ exited with 0 +++ [pid 5267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] set_robust_list(0x5555563db5e0, 24 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5268 attached [pid 5266] <... openat resumed>) = 3 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5266] write(3, "1000", 4 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5266] <... write resumed>) = 4 [pid 5261] ioctl(4, LOOP_SET_FD, 3 [pid 5267] <... write resumed>) = 262144 [pid 5004] <... openat resumed>) = 3 [pid 5266] close(3 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5267] munmap(0x7fc4e5d63000, 262144 [pid 5261] close(4 [pid 5004] <... ioctl resumed>) = 0 [pid 5266] <... close resumed>) = 0 [pid 5265] <... prctl resumed>) = 0 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... close resumed>) = 0 [pid 5004] close(3 [pid 5268] set_robust_list(0x7fc4ee1839e0, 24 [pid 5266] <... futex resumed>) = 0 [pid 5265] setpgid(0, 0 [pid 5261] close(3 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] <... munmap resumed>) = 0 [pid 5267] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5267] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5267] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] <... close resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5269 [pid 5266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5265] <... setpgid resumed>) = 0 [pid 5261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... mmap resumed>) = 0x7fc4ee163000 [pid 5261] <... futex resumed>) = 1 [pid 5258] <... futex resumed>) = 0 [pid 5266] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5261] fspick(AT_FDCWD, ".", 0 [pid 5258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5258] <... futex resumed>) = 0 [pid 5266] <... mprotect resumed>) = 0 [pid 5261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] ioctl(4, LOOP_SET_FD, 3 [pid 5265] <... openat resumed>) = 3 [pid 5261] <... futex resumed>) = 0 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5267] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5266] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5265] write(3, "1000", 4 [pid 5261] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] close(4 [pid 5258] <... futex resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5261] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] close(3 [pid 5261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5266] <... clone resumed>, parent_tid=[5270], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5270 [pid 5265] <... write resumed>) = 4 [pid 5261] <... futex resumed>) = 1 [pid 5258] <... futex resumed>) = 0 [pid 5269] <... prctl resumed>) = 0 [pid 5267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] close(3 [pid 5261] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] setpgid(0, 0 [pid 5267] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5258] <... futex resumed>) = 0 [pid 5269] <... setpgid resumed>) = 0 [pid 5267] fspick(AT_FDCWD, ".", 0 [pid 5263] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] <... openat resumed>) = 3 [pid 5266] <... futex resumed>) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5265] <... close resumed>) = 0 [pid 5263] <... futex resumed>) = 0 [pid 5269] <... openat resumed>) = 3 [pid 5268] memfd_create("syzkaller", 0 [pid 5267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] write(3, "1000", 4 [pid 5267] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... write resumed>) = 4 [pid 5267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5263] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = 1 [pid 5258] <... futex resumed>) = 0 [pid 5269] close(3 [pid 5268] <... memfd_create resumed>) = 3 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5263] <... futex resumed>) = 0 [pid 5261] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5270 attached [pid 5269] <... close resumed>) = 0 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5267] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... futex resumed>) = 0 [pid 5270] set_robust_list(0x7fc4ee1839e0, 24 [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5265] <... mmap resumed>) = 0x7fc4ee163000 [pid 5261] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] memfd_create("syzkaller", 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5267] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5258] exit_group(0 [pid 5270] <... memfd_create resumed>) = 3 [pid 5269] <... mmap resumed>) = 0x7fc4ee163000 [pid 5267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... mprotect resumed>) = 0 [pid 5263] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... exit_group resumed>) = ? [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5269] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5263] <... futex resumed>) = 0 [pid 5270] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5269] <... mprotect resumed>) = 0 [pid 5267] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5269] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5267] <... openat resumed>) = 3 [pid 5261] +++ exited with 0 +++ [pid 5258] +++ exited with 0 +++ [pid 5270] <... write resumed>) = 262144 [pid 5267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... clone resumed>, parent_tid=[5271], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5271 [pid 5270] munmap(0x7fc4e5d63000, 262144 [pid 5269] <... clone resumed>, parent_tid=[5272], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5272 [pid 5267] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5270] <... munmap resumed>) = 0 [pid 5269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5270] <... openat resumed>) = 4 [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5267] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5263] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5270] ioctl(4, LOOP_SET_FD, 3 [pid 5267] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... ioctl resumed>) = 0 [pid 5270] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5270] ioctl(4, LOOP_CLR_FD [pid 5267] <... futex resumed>) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5270] <... ioctl resumed>) = 0 [pid 5267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] <... futex resumed>) = ? [pid 5263] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5271 attached [pid 5267] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5273 [pid 5271] set_robust_list(0x7fc4ee1839e0, 24 [pid 5270] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5271] <... set_robust_list resumed>) = 0 [pid 5270] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5271] memfd_create("syzkaller", 0 [pid 5270] close(4 [pid 5271] <... memfd_create resumed>) = 3 [pid 5270] <... close resumed>) = 0 [pid 5268] <... write resumed>) = 262144 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5270] close(3 [pid 5001] <... openat resumed>) = 3 [pid 5268] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 5272 attached [pid 5271] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5270] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5272] set_robust_list(0x7fc4ee1839e0, 24 [pid 5271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... munmap resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5270] <... futex resumed>) = 1 [pid 5268] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5266] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5270] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5271] <... write resumed>) = 262144 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... openat resumed>) = 4 [pid 5266] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5272] memfd_create("syzkaller", 0 [pid 5270] fspick(AT_FDCWD, ".", 0 [pid 5268] ioctl(4, LOOP_SET_FD, 3 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5268] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5274 [pid 5272] <... memfd_create resumed>) = 3 [pid 5270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] ioctl(4, LOOP_CLR_FD [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5270] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5271] munmap(0x7fc4e5d63000, 262144 [pid 5270] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... ioctl resumed>) = 0 [pid 5266] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5271] <... munmap resumed>) = 0 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5273 attached [pid 5271] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5270] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] set_robust_list(0x5555563db5e0, 24 [pid 5271] <... openat resumed>) = 4 [pid 5270] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5273] <... set_robust_list resumed>) = 0 [pid 5271] ioctl(4, LOOP_SET_FD, 3 [pid 5270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5270] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5273] <... prctl resumed>) = 0 [pid 5271] ioctl(4, LOOP_CLR_FD [pid 5270] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] setpgid(0, 0 [pid 5271] <... ioctl resumed>) = 0 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] <... futex resumed>) = 0 [pid 5273] <... setpgid resumed>) = 0 [pid 5270] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] <... openat resumed>) = 3 [pid 5268] ioctl(4, LOOP_SET_FD, 3 [pid 5273] <... openat resumed>) = 3 [pid 5270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5273] write(3, "1000", 4 [pid 5270] <... futex resumed>) = 1 [pid 5268] close(4 [pid 5266] <... futex resumed>) = 0 [pid 5273] <... write resumed>) = 4 [pid 5270] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] close(3 [pid 5271] ioctl(4, LOOP_SET_FD, 3 [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... close resumed>) = 0 [pid 5266] <... futex resumed>) = 0 [pid 5273] <... close resumed>) = 0 [pid 5272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5271] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5270] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5268] close(3 [pid 5266] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] close(4 [pid 5270] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5273] <... futex resumed>) = 0 [pid 5271] <... close resumed>) = 0 [pid 5270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5271] close(3 [pid 5270] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5273] <... mmap resumed>) = 0x7fc4ee163000 [pid 5271] <... close resumed>) = 0 [pid 5270] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... close resumed>) = 0 [pid 5266] exit_group(0 [pid 5273] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = ? [pid 5268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... exit_group resumed>) = ? [pid 5273] <... mprotect resumed>) = 0 [pid 5272] <... write resumed>) = 262144 [pid 5271] <... futex resumed>) = 1 [pid 5270] +++ exited with 0 +++ [pid 5268] <... futex resumed>) = 1 [pid 5266] +++ exited with 0 +++ [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5273] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5271] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5272] munmap(0x7fc4e5d63000, 262144 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5273] <... clone resumed>, parent_tid=[5275], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5275 [pid 5271] fspick(AT_FDCWD, ".", 0 [pid 5268] fspick(AT_FDCWD, ".", 0 [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5268] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... restart_syscall resumed>) = 0 [pid 5273] <... futex resumed>) = 0 [pid 5271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5271] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5271] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... munmap resumed>) = 0 [pid 5264] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5271] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5268] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5272] <... openat resumed>) = 4 [pid 5271] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5268] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] ioctl(4, LOOP_SET_FD, 3 [pid 4999] <... openat resumed>) = 3 [pid 5272] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5271] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5272] ioctl(4, LOOP_CLR_FD [pid 5271] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5272] <... ioctl resumed>) = 0 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5271] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5268] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5271] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = 0 [pid 5271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] <... futex resumed>) = 1 [pid 5268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5271] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5275 attached [pid 5275] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5268] <... futex resumed>) = 1 [pid 5265] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5272] ioctl(4, LOOP_SET_FD, 3 [pid 5271] <... futex resumed>) = 0 [pid 5268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 1 [pid 5264] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5276 [pid 5272] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5271] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... futex resumed>) = 0 [pid 5272] close(4 [pid 5271] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5268] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5264] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... close resumed>) = 0 [pid 5271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5272] close(3 [pid 5271] <... futex resumed>) = 1 [pid 5268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5275] memfd_create("syzkaller", 0 [pid 5271] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... futex resumed>) = 1 [pid 5265] exit_group(0 [pid 5264] <... futex resumed>) = 0 [pid 5275] <... memfd_create resumed>) = 3 [pid 5271] <... futex resumed>) = ? [pid 5268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... exit_group resumed>) = ? [pid 5264] exit_group(0 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5271] +++ exited with 0 +++ [pid 5264] <... exit_group resumed>) = ? [pid 5275] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5272] <... close resumed>) = 0 [pid 5268] <... futex resumed>) = ? [pid 5265] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5268] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5272] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5272] fspick(AT_FDCWD, ".", 0 [pid 5269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5276 attached ./strace-static-x86_64: Process 5274 attached [pid 5272] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5269] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] close(3 [pid 5276] set_robust_list(0x5555563db5e0, 24 [pid 5274] set_robust_list(0x5555563db5e0, 24 [pid 5272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] <... write resumed>) = 262144 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5272] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5276] <... prctl resumed>) = 0 [pid 5275] munmap(0x7fc4e5d63000, 262144 [pid 5274] <... prctl resumed>) = 0 [pid 5272] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5269] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5277 [pid 5276] setpgid(0, 0 [pid 5275] <... munmap resumed>) = 0 [pid 5274] setpgid(0, 0 [pid 5272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5276] <... setpgid resumed>) = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5272] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... openat resumed>) = 4 [pid 5274] <... setpgid resumed>) = 0 [pid 5272] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5276] <... openat resumed>) = 3 [pid 5275] ioctl(4, LOOP_SET_FD, 3 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5276] write(3, "1000", 4 [pid 5275] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5272] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5276] <... write resumed>) = 4 [pid 5275] ioctl(4, LOOP_CLR_FD [pid 5276] close(3 [pid 5275] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] <... close resumed>) = 0 [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5276] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5274] <... openat resumed>) = 3 [pid 5272] <... openat resumed>) = 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5278 [pid 5276] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5274] write(3, "1000", 4 [pid 5272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... write resumed>) = 4 [pid 5272] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5276] <... clone resumed>, parent_tid=[5279], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5279 [pid 5275] ioctl(4, LOOP_SET_FD, 3 [pid 5274] close(3 [pid 5272] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5274] <... close resumed>) = 0 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 0 [pid 5275] close(4 [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5275] <... close resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5272] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5275] close(3) = 0 [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5278 attached [pid 5275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5274] <... mmap resumed>) = 0x7fc4ee163000 [pid 5278] set_robust_list(0x5555563db5e0, 24 [pid 5275] <... futex resumed>) = 1 [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] exit_group(0 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = ? [pid 5269] <... exit_group resumed>) = ? [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] <... futex resumed>) = 0 [pid 5278] <... prctl resumed>) = 0 [pid 5275] fspick(AT_FDCWD, ".", 0 [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] setpgid(0, 0 [pid 5275] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5278] <... setpgid resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... futex resumed>) = 1 [pid 5273] <... futex resumed>) = 0 [pid 5278] <... openat resumed>) = 3 [pid 5275] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] write(3, "1000", 4 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5279 attached [pid 5278] <... write resumed>) = 4 [pid 5275] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5274] <... mprotect resumed>) = 0 [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5279] set_robust_list(0x7fc4ee1839e0, 24 [pid 5278] close(3 [pid 5275] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5274] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] <... close resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5279] memfd_create("syzkaller", 0 [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = 1 [pid 5274] <... clone resumed>, parent_tid=[5280], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5280 [pid 5273] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5279] <... memfd_create resumed>) = 3 [pid 5278] <... futex resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = 0 [pid 5279] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5278] <... mmap resumed>) = 0x7fc4ee163000 [pid 5275] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5278] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5275] <... openat resumed>) = 3 [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5279] <... write resumed>) = 262144 [pid 5278] <... mprotect resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5278] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5275] <... futex resumed>) = 1 [pid 5273] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5277 attached [pid 5275] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5278] <... clone resumed>, parent_tid=[5281], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5281 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5279] munmap(0x7fc4e5d63000, 262144 [pid 5278] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... munmap resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5277] set_robust_list(0x5555563db5e0, 24 [pid 5275] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... ioctl resumed>) = 0 [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] <... set_robust_list resumed>) = 0 [pid 5275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5275] <... futex resumed>) = 1 [pid 5273] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 ./strace-static-x86_64: Process 5280 attached [pid 5279] <... openat resumed>) = 4 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5273] exit_group(0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5280] set_robust_list(0x7fc4ee1839e0, 24 [pid 5279] ioctl(4, LOOP_SET_FD, 3 [pid 5275] <... futex resumed>) = ? [pid 5273] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5281 attached [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5277] <... prctl resumed>) = 0 [pid 5275] +++ exited with 0 +++ [pid 5273] +++ exited with 0 +++ [pid 5281] set_robust_list(0x7fc4ee1839e0, 24 [pid 5280] memfd_create("syzkaller", 0 [pid 5279] ioctl(4, LOOP_CLR_FD [pid 5277] setpgid(0, 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5282 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5280] <... memfd_create resumed>) = 3 [pid 5279] <... ioctl resumed>) = 0 [pid 5277] <... setpgid resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5282 attached [pid 5281] memfd_create("syzkaller", 0 [pid 5280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5277] <... openat resumed>) = 3 [pid 5282] set_robust_list(0x5555563db5e0, 24 [pid 5281] <... memfd_create resumed>) = 3 [pid 5280] <... write resumed>) = 262144 [pid 5279] ioctl(4, LOOP_SET_FD, 3 [pid 5277] write(3, "1000", 4 [pid 5279] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5277] <... write resumed>) = 4 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5279] close(4 [pid 5277] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5279] <... close resumed>) = 0 [pid 5277] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5279] close(3 [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5279] <... close resumed>) = 0 [pid 5002] close(3 [pid 5280] munmap(0x7fc4e5d63000, 262144 [pid 5279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5281] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5002] <... close resumed>) = 0 [pid 5280] <... munmap resumed>) = 0 [pid 5279] <... futex resumed>) = 1 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5280] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5279] fspick(AT_FDCWD, ".", 0 [pid 5277] <... mmap resumed>) = 0x7fc4ee163000 [pid 5276] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... openat resumed>) = 4 [pid 5279] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5277] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5276] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5283 [pid 5280] ioctl(4, LOOP_SET_FD, 3 [pid 5279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5279] <... futex resumed>) = 0 [pid 5277] <... mprotect resumed>) = 0 [pid 5276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] ioctl(4, LOOP_CLR_FD [pid 5279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... ioctl resumed>) = 0 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5276] <... futex resumed>) = 0 [pid 5279] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... clone resumed>, parent_tid=[5284], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5284 [pid 5279] <... futex resumed>) = 1 [pid 5277] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = 0 [pid 5276] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5276] <... futex resumed>) = 0 [pid 5279] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5279] <... openat resumed>) = 3 [pid 5280] ioctl(4, LOOP_SET_FD, 3 [pid 5279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5279] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5280] close(4 [pid 5279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] <... close resumed>) = 0 [pid 5279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] <... futex resumed>) = 0 [pid 5280] close(3 [pid 5279] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5276] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... prctl resumed>) = 0 [pid 5281] <... write resumed>) = 262144 [pid 5280] <... close resumed>) = 0 [pid 5279] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] setpgid(0, 0 [pid 5280] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5282] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5284 attached [pid 5280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] exit_group(0 [pid 5274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] set_robust_list(0x7fc4ee1839e0, 24 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] munmap(0x7fc4e5d63000, 262144 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] <... futex resumed>) = ? [pid 5276] <... exit_group resumed>) = ? [pid 5274] <... futex resumed>) = 0 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5282] <... openat resumed>) = 3 [pid 5281] <... munmap resumed>) = 0 [pid 5280] fspick(AT_FDCWD, ".", 0 [pid 5279] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] memfd_create("syzkaller", 0 [pid 5282] write(3, "1000", 4 [pid 5280] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5281] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5283 attached [pid 5284] <... memfd_create resumed>) = 3 [pid 5282] <... write resumed>) = 4 [pid 5280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5283] set_robust_list(0x5555563db5e0, 24 [pid 5282] close(3 [pid 5281] <... openat resumed>) = 4 [pid 5280] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5284] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... close resumed>) = 0 [pid 5281] ioctl(4, LOOP_SET_FD, 3 [pid 5280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5284] <... write resumed>) = 262144 [pid 5283] <... prctl resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5281] ioctl(4, LOOP_CLR_FD [pid 5280] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5283] setpgid(0, 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5281] <... ioctl resumed>) = 0 [pid 5280] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5283] <... setpgid resumed>) = 0 [pid 5280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5284] munmap(0x7fc4e5d63000, 262144 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5282] <... mmap resumed>) = 0x7fc4ee163000 [pid 5280] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5284] <... munmap resumed>) = 0 [pid 5283] <... openat resumed>) = 3 [pid 5282] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5283] write(3, "1000", 4 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5283] <... write resumed>) = 4 [pid 5282] <... mprotect resumed>) = 0 [pid 5280] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 5284] <... openat resumed>) = 4 [pid 5283] close(3 [pid 5282] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5280] <... openat resumed>) = 3 [pid 5284] ioctl(4, LOOP_SET_FD, 3 [pid 5283] <... close resumed>) = 0 [pid 5280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5284] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] ioctl(4, LOOP_SET_FD, 3 [pid 5280] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5284] ioctl(4, LOOP_CLR_FD [pid 5283] <... futex resumed>) = 0 [pid 5280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5284] <... ioctl resumed>) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5282] <... clone resumed>, parent_tid=[5285], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5285 [pid 5281] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5283] <... mmap resumed>) = 0x7fc4ee163000 [pid 5280] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5280] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5283] <... mprotect resumed>) = 0 [pid 5281] close(4 [pid 5280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5280] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... close resumed>) = 0 [pid 5280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] exit_group(0 [pid 5283] <... clone resumed>, parent_tid=[5286], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5286 [pid 5282] <... futex resumed>) = 0 [pid 5281] close(3 [pid 5280] <... futex resumed>) = ? [pid 5274] <... exit_group resumed>) = ? [pid 5284] ioctl(4, LOOP_SET_FD, 3 [pid 5283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5281] <... close resumed>) = 0 [pid 5280] +++ exited with 0 +++ [pid 5274] +++ exited with 0 +++ [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5287 [pid 5284] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5283] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] close(4 [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5284] <... close resumed>) = 0 [pid 5284] close(3) = 0 [pid 5281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5281] fspick(AT_FDCWD, ".", 0 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5281] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5284] fspick(AT_FDCWD, ".", 0 [pid 5281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5284] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5281] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... ioctl resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5284] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 ./strace-static-x86_64: Process 5286 attached [pid 5284] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5277] <... futex resumed>) = 0 [pid 5284] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5288 [pid 5284] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5281] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5277] <... futex resumed>) = 0 [pid 5284] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... openat resumed>) = 3 [pid 5281] <... openat resumed>) = 3 [pid 5286] set_robust_list(0x7fc4ee1839e0, 24 [pid 5284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5284] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5286] memfd_create("syzkaller", 0 [pid 5284] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... memfd_create resumed>) = 3 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5285 attached [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5284] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5281] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5278] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5285] set_robust_list(0x7fc4ee1839e0, 24 [pid 5284] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5281] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5287 attached [pid 5285] <... set_robust_list resumed>) = 0 [pid 5284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] set_robust_list(0x5555563db5e0, 24 [pid 5286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5285] memfd_create("syzkaller", 0 [pid 5284] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] <... write resumed>) = 262144 [pid 5285] <... memfd_create resumed>) = 3 [pid 5284] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] exit_group(0 [pid 5277] exit_group(0 [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5284] <... futex resumed>) = ? [pid 5281] <... futex resumed>) = ? [pid 5278] <... exit_group resumed>) = ? [pid 5277] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5288 attached [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] munmap(0x7fc4e5d63000, 262144 [pid 5285] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5284] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5278] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5288] set_robust_list(0x5555563db5e0, 24 [pid 5287] <... prctl resumed>) = 0 [pid 5286] <... munmap resumed>) = 0 [pid 5285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] setpgid(0, 0 [pid 5286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5285] <... write resumed>) = 262144 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5286] <... openat resumed>) = 4 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5286] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5285] munmap(0x7fc4e5d63000, 262144 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] ioctl(4, LOOP_CLR_FD [pid 5285] <... munmap resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5287] <... openat resumed>) = 3 [pid 5285] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5287] write(3, "1000", 4 [pid 5285] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = 0 [pid 5287] <... write resumed>) = 4 [pid 5285] ioctl(4, LOOP_SET_FD, 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 5287] close(3 [pid 5285] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5287] <... close resumed>) = 0 [pid 5285] ioctl(4, LOOP_CLR_FD [pid 5003] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5288] <... prctl resumed>) = 0 [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... ioctl resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5286] ioctl(4, LOOP_SET_FD, 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5289 [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5286] close(4) = 0 [pid 5286] close(3 [pid 5288] setpgid(0, 0 [pid 5287] <... mmap resumed>) = 0x7fc4ee163000 [pid 5286] <... close resumed>) = 0 [pid 5288] <... setpgid resumed>) = 0 [pid 5287] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5290 [pid 5286] <... futex resumed>) = 1 [pid 5285] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5283] <... futex resumed>) = 0 [pid 5287] <... mprotect resumed>) = 0 [pid 5286] fspick(AT_FDCWD, ".", 0 [pid 5285] close(4 [pid 5283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5285] <... close resumed>) = 0 [pid 5287] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5283] <... futex resumed>) = 0 [pid 5286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] close(3 [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... openat resumed>) = 3 [pid 5286] <... futex resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] write(3, "1000", 4 [pid 5287] <... clone resumed>, parent_tid=[5291], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5291 [pid 5286] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... write resumed>) = 4 [pid 5286] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5290 attached [pid 5287] <... futex resumed>) = 0 [pid 5286] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] set_robust_list(0x5555563db5e0, 24 [pid 5288] close(3 [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5288] <... close resumed>) = 0 [pid 5286] <... futex resumed>) = 1 [pid 5285] fspick(AT_FDCWD, ".", 0 [pid 5283] <... futex resumed>) = 0 [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... prctl resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = 0 [pid 5290] setpgid(0, 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5285] <... futex resumed>) = 1 [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5290] <... setpgid resumed>) = 0 [pid 5288] <... mmap resumed>) = 0x7fc4ee163000 [pid 5286] <... openat resumed>) = 3 [pid 5285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] set_robust_list(0x7fc4ee1839e0, 24 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... futex resumed>) = 0 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5290] <... openat resumed>) = 3 [pid 5288] <... mprotect resumed>) = 0 [pid 5286] <... futex resumed>) = 1 [pid 5285] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5283] <... futex resumed>) = 0 [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] memfd_create("syzkaller", 0 [pid 5290] write(3, "1000", 4 [pid 5288] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5286] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... memfd_create resumed>) = 3 [pid 5290] <... write resumed>) = 4 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = 0 [pid 5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5290] close(3 [pid 5288] <... clone resumed>, parent_tid=[5292], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5292 [pid 5286] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5285] <... futex resumed>) = 1 [pid 5283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 0 [pid 5291] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5290] <... close resumed>) = 0 [pid 5288] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... futex resumed>) = 0 [pid 5286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... futex resumed>) = 0 [pid 5291] <... write resumed>) = 262144 [pid 5290] <... futex resumed>) = 0 [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 1 [pid 5285] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5283] <... futex resumed>) = 0 [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] <... openat resumed>) = 3 [pid 5283] exit_group(0 [pid 5291] munmap(0x7fc4e5d63000, 262144 [pid 5290] <... mmap resumed>) = 0x7fc4ee163000 [pid 5286] <... futex resumed>) = ? [pid 5285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5289 attached [pid 5291] <... munmap resumed>) = 0 [pid 5290] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5286] +++ exited with 0 +++ [pid 5285] <... futex resumed>) = 1 [pid 5283] +++ exited with 0 +++ [pid 5282] <... futex resumed>) = 0 [pid 5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5290] <... mprotect resumed>) = 0 [pid 5285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5291] <... openat resumed>) = 4 [pid 5290] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... futex resumed>) = 0 [pid 5291] ioctl(4, LOOP_SET_FD, 3 [pid 5289] set_robust_list(0x5555563db5e0, 24 [pid 5285] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5292 attached [pid 5291] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5290] <... clone resumed>, parent_tid=[5293], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5293 [pid 5285] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5292] set_robust_list(0x7fc4ee1839e0, 24 [pid 5291] ioctl(4, LOOP_CLR_FD [pid 5290] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] <... ioctl resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5292] memfd_create("syzkaller", 0 [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] exit_group(0 [pid 5002] <... ioctl resumed>) = 0 [pid 5292] <... memfd_create resumed>) = 3 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] <... futex resumed>) = ? [pid 5282] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5285] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 5292] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5289] <... prctl resumed>) = 0 [pid 5282] +++ exited with 0 +++ [pid 5291] ioctl(4, LOOP_SET_FD, 3 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5294 [pid 5291] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5289] setpgid(0, 0 [pid 5291] close(4 [pid 5289] <... setpgid resumed>) = 0 [pid 5291] <... close resumed>) = 0 [pid 5291] close(3) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] fspick(AT_FDCWD, ".", 0 [pid 5289] <... openat resumed>) = 3 [pid 5287] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5293 attached [pid 5292] <... write resumed>) = 262144 [pid 5291] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5293] set_robust_list(0x7fc4ee1839e0, 24 [pid 5292] munmap(0x7fc4e5d63000, 262144 [pid 5291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] <... munmap resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5289] write(3, "1000", 4 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5294 attached [pid 5293] memfd_create("syzkaller", 0 [pid 5292] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... write resumed>) = 4 [pid 5287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5294] set_robust_list(0x5555563db5e0, 24 [pid 5293] <... memfd_create resumed>) = 3 [pid 5292] <... openat resumed>) = 4 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] close(3 [pid 5287] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5292] ioctl(4, LOOP_SET_FD, 3 [pid 5291] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5289] <... close resumed>) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5292] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5291] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5294] <... prctl resumed>) = 0 [pid 5293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5292] ioctl(4, LOOP_CLR_FD [pid 5291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5294] setpgid(0, 0 [pid 5293] <... write resumed>) = 262144 [pid 5292] <... ioctl resumed>) = 0 [pid 5291] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... openat resumed>) = 3 [pid 5291] <... futex resumed>) = 0 [pid 5289] <... mmap resumed>) = 0x7fc4ee163000 [pid 5287] <... futex resumed>) = 1 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5295 [pid 5294] write(3, "1000", 4 [pid 5291] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5289] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... write resumed>) = 4 [pid 5293] munmap(0x7fc4e5d63000, 262144 [pid 5291] <... openat resumed>) = 3 [pid 5294] close(3 [pid 5293] <... munmap resumed>) = 0 [pid 5291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... mprotect resumed>) = 0 [pid 5294] <... close resumed>) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5292] ioctl(4, LOOP_SET_FD, 3 [pid 5291] <... futex resumed>) = 1 [pid 5289] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5287] <... futex resumed>) = 0 [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... openat resumed>) = 4 [pid 5292] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] <... futex resumed>) = 0 [pid 5293] ioctl(4, LOOP_SET_FD, 3 [pid 5292] close(4 [pid 5287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5293] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5292] <... close resumed>) = 0 [pid 5289] <... clone resumed>, parent_tid=[5296], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5296 [pid 5294] <... mmap resumed>) = 0x7fc4ee163000 [pid 5293] ioctl(4, LOOP_CLR_FD [pid 5292] close(3 [pid 5291] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5294] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5293] <... ioctl resumed>) = 0 [pid 5292] <... close resumed>) = 0 [pid 5291] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... mprotect resumed>) = 0 [pid 5292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5289] <... futex resumed>) = 0 [pid 5294] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5292] <... futex resumed>) = 1 [pid 5291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... futex resumed>) = 0 [pid 5292] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] <... futex resumed>) = 1 [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5288] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5294] <... clone resumed>, parent_tid=[5297], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5297 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... futex resumed>) = 0 [pid 5287] exit_group(0 [pid 5294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] fspick(AT_FDCWD, ".", 0 [pid 5291] <... futex resumed>) = ? [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... exit_group resumed>) = ? [pid 5294] <... futex resumed>) = 0 [pid 5292] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5291] +++ exited with 0 +++ [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5293] ioctl(4, LOOP_SET_FD, 3 [pid 5292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5292] <... futex resumed>) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5293] close(4 [pid 5292] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... close resumed>) = 0 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... futex resumed>) = 0 [pid 5293] close(3 [pid 5292] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... close resumed>) = 0 [pid 5292] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5287] +++ exited with 0 +++ [pid 5293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5293] fspick(AT_FDCWD, ".", 0 [pid 5292] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... openat resumed>) = 3 [pid 5293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5295 attached [pid 5293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5293] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5292] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] exit_group(0 [pid 4999] close(3 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = ? [pid 5290] <... futex resumed>) = 0 [pid 5288] <... exit_group resumed>) = ? [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5296 attached [pid 5295] set_robust_list(0x5555563db5e0, 24 [pid 5293] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5292] +++ exited with 0 +++ [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] +++ exited with 0 +++ [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached [pid 5296] set_robust_list(0x7fc4ee1839e0, 24 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5293] <... openat resumed>) = 3 [pid 5297] set_robust_list(0x7fc4ee1839e0, 24 [pid 5293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5297] <... set_robust_list resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5297] memfd_create("syzkaller", 0 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5297] <... memfd_create resumed>) = 3 [pid 5295] <... prctl resumed>) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5298 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5296] memfd_create("syzkaller", 0 [pid 5295] setpgid(0, 0 [pid 5293] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5290] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5297] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5296] <... memfd_create resumed>) = 3 [pid 5293] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] close(3 [pid 5297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5295] <... setpgid resumed>) = 0 [pid 5293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5297] <... write resumed>) = 262144 [pid 5296] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] <... openat resumed>) = 3 [pid 5293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] exit_group(0./strace-static-x86_64: Process 5298 attached [pid 5295] write(3, "1000", 4 [pid 5293] <... futex resumed>) = ? [pid 5290] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5299 [pid 5298] set_robust_list(0x5555563db5e0, 24 [pid 5296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5295] <... write resumed>) = 4 [pid 5293] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] munmap(0x7fc4e5d63000, 262144 [pid 5295] close(3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5297] <... munmap resumed>) = 0 [pid 5295] <... close resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5298] <... prctl resumed>) = 0 [pid 5297] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5298] setpgid(0, 0 [pid 5297] <... openat resumed>) = 4 [pid 5295] <... futex resumed>) = 0 [pid 5298] <... setpgid resumed>) = 0 [pid 5297] ioctl(4, LOOP_SET_FD, 3 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5295] <... mmap resumed>) = 0x7fc4ee163000 [pid 5298] <... openat resumed>) = 3 [pid 5297] ioctl(4, LOOP_CLR_FD [pid 5295] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... openat resumed>) = 3 [pid 5298] write(3, "1000", 4 [pid 5297] <... ioctl resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5298] <... write resumed>) = 4 [pid 5003] <... ioctl resumed>) = 0 [pid 5295] <... mprotect resumed>) = 0 [pid 5298] close(3 [pid 5003] close(3 [pid 5298] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5295] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5298] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5299 attached ) = 0 [pid 5299] set_robust_list(0x5555563db5e0, 24 [pid 5298] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5300 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5297] ioctl(4, LOOP_SET_FD, 3 [pid 5295] <... clone resumed>, parent_tid=[5301], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5301 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] <... clone resumed>, parent_tid=[5302], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5302 [pid 5297] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5296] <... write resumed>) = 262144 [pid 5295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... prctl resumed>) = 0 [pid 5298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] close(4 [pid 5296] munmap(0x7fc4e5d63000, 262144 [pid 5295] <... futex resumed>) = 0 [pid 5299] setpgid(0, 0 [pid 5298] <... futex resumed>) = 0 [pid 5297] <... close resumed>) = 0 [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5299] <... setpgid resumed>) = 0 [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5297] close(3 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... close resumed>) = 0 [pid 5296] <... munmap resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5299] write(3, "1000", 4 [pid 5297] <... futex resumed>) = 1 [pid 5296] <... openat resumed>) = 4 [pid 5294] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5300 attached [pid 5299] <... write resumed>) = 4 [pid 5297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] ioctl(4, LOOP_SET_FD, 3 [pid 5294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] set_robust_list(0x5555563db5e0, 24 [pid 5299] close(3 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5294] <... futex resumed>) = 0 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... close resumed>) = 0 [pid 5297] fspick(AT_FDCWD, ".", 0 [pid 5296] ioctl(4, LOOP_CLR_FD [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5300] <... prctl resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... ioctl resumed>) = 0 [pid 5300] setpgid(0, 0 [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5297] <... futex resumed>) = 1 [pid 5294] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5302 attached [pid 5300] <... setpgid resumed>) = 0 [pid 5299] <... mmap resumed>) = 0x7fc4ee163000 [pid 5297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] set_robust_list(0x7fc4ee1839e0, 24 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] <... futex resumed>) = 0 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5300] <... openat resumed>) = 3 [pid 5299] <... mprotect resumed>) = 0 [pid 5297] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] memfd_create("syzkaller", 0 [pid 5300] write(3, "1000", 4 [pid 5299] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5297] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5302] <... memfd_create resumed>) = 3 [pid 5300] <... write resumed>) = 4 [pid 5297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5300] close(3 [pid 5299] <... clone resumed>, parent_tid=[5303], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5303 [pid 5297] <... futex resumed>) = 1 [pid 5296] ioctl(4, LOOP_SET_FD, 3 [pid 5294] <... futex resumed>) = 0 [pid 5302] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5300] <... close resumed>) = 0 [pid 5299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5301 attached [pid 5302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5294] <... futex resumed>) = 0 [pid 5302] <... write resumed>) = 262144 [pid 5301] set_robust_list(0x7fc4ee1839e0, 24 [pid 5300] <... futex resumed>) = 0 [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5297] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5296] close(4 [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5297] <... openat resumed>) = 3 [pid 5296] <... close resumed>) = 0 [pid 5300] <... mmap resumed>) = 0x7fc4ee163000 [pid 5297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] memfd_create("syzkaller", 0 [pid 5300] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5297] <... futex resumed>) = 1 [pid 5296] close(3 [pid 5294] <... futex resumed>) = 0 [pid 5302] munmap(0x7fc4e5d63000, 262144 [pid 5301] <... memfd_create resumed>) = 3 [pid 5300] <... mprotect resumed>) = 0 [pid 5297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... munmap resumed>) = 0 [pid 5300] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] <... futex resumed>) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5297] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5296] <... close resumed>) = 0 [pid 5294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... openat resumed>) = 4 [pid 5301] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5300] <... clone resumed>, parent_tid=[5304], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5304 [pid 5297] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5303 attached [pid 5302] ioctl(4, LOOP_SET_FD, 3 [pid 5300] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5303] set_robust_list(0x7fc4ee1839e0, 24 [pid 5302] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5300] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5296] fspick(AT_FDCWD, ".", 0 [pid 5294] <... futex resumed>) = 0 [pid 5289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] ioctl(4, LOOP_CLR_FD [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5294] exit_group(0 [pid 5289] <... futex resumed>) = 0 [pid 5303] memfd_create("syzkaller", 0 [pid 5302] <... ioctl resumed>) = 0 [pid 5297] <... futex resumed>) = ? [pid 5296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... exit_group resumed>) = ? [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... memfd_create resumed>) = 3 [pid 5301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5297] +++ exited with 0 +++ [pid 5296] <... futex resumed>) = 0 [pid 5294] +++ exited with 0 +++ [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5296] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5301] <... write resumed>) = 262144 [pid 5296] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... write resumed>) = 262144 [pid 5302] ioctl(4, LOOP_SET_FD, 3 [pid 5296] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5302] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5301] munmap(0x7fc4e5d63000, 262144 [pid 5296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5303] munmap(0x7fc4e5d63000, 262144 [pid 5302] close(4 [pid 5296] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5303] <... munmap resumed>) = 0 [pid 5302] <... close resumed>) = 0 [pid 5296] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5302] close(3 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5303] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5302] <... close resumed>) = 0 [pid 5301] <... munmap resumed>) = 0 [pid 5296] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5303] <... openat resumed>) = 4 [pid 5302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] ioctl(4, LOOP_SET_FD, 3 [pid 5302] <... futex resumed>) = 1 [pid 5301] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5298] <... futex resumed>) = 0 [pid 5296] <... openat resumed>) = 3 [pid 5303] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5305 [pid 5303] ioctl(4, LOOP_CLR_FD [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... openat resumed>) = 4 [pid 5298] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5303] <... ioctl resumed>) = 0 [pid 5302] fspick(AT_FDCWD, ".", 0 [pid 5301] ioctl(4, LOOP_SET_FD, 3 [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 1 [pid 5301] ioctl(4, LOOP_CLR_FD [pid 5298] <... futex resumed>) = 0 [pid 5296] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... ioctl resumed>) = 0 [pid 5298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5302] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5296] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] exit_group(0 [pid 5303] ioctl(4, LOOP_SET_FD, 3 [pid 5302] <... futex resumed>) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5289] <... exit_group resumed>) = ? [pid 5303] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5304 attached [pid 5303] close(4 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = ? [pid 5303] <... close resumed>) = 0 [pid 5302] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] close(3 [pid 5302] <... openat resumed>) = 3 [pid 5304] set_robust_list(0x7fc4ee1839e0, 24 [pid 5303] <... close resumed>) = 0 [pid 5302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 1 [pid 5301] ioctl(4, LOOP_SET_FD, 3 [pid 5298] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5299] <... futex resumed>) = 0 [pid 5298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] close(4 [pid 5304] memfd_create("syzkaller", 0 [pid 5299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5304] <... memfd_create resumed>) = 3 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5301] <... close resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5303] fspick(AT_FDCWD, ".", 0 [pid 5302] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5301] close(3 [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 1 [pid 5298] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5305 attached [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... futex resumed>) = 0 [pid 5298] exit_group(0 [pid 5305] set_robust_list(0x5555563db5e0, 24 [pid 5303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = ? [pid 5301] <... close resumed>) = 0 [pid 5299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... exit_group resumed>) = ? [pid 5305] <... set_robust_list resumed>) = 0 [pid 5304] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] +++ exited with 0 +++ [pid 5301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5298] +++ exited with 0 +++ [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5301] <... futex resumed>) = 1 [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5305] <... prctl resumed>) = 0 [pid 5303] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5301] fspick(AT_FDCWD, ".", 0 [pid 5295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5305] setpgid(0, 0 [pid 5303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5295] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5305] <... setpgid resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5305] <... openat resumed>) = 3 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5305] write(3, "1000", 4 [pid 5303] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5301] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... openat resumed>) = 3 [pid 5305] <... write resumed>) = 4 [pid 5303] <... openat resumed>) = 3 [pid 5301] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5305] close(3 [pid 5303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5306 [pid 4999] <... ioctl resumed>) = 0 [pid 5305] <... close resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] <... futex resumed>) = 0 [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5303] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5301] <... openat resumed>) = 3 [pid 5299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5305] <... mmap resumed>) = 0x7fc4ee163000 [pid 5303] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... mprotect resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5305] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... futex resumed>) = 1 [pid 5299] exit_group(0 [pid 5295] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = ? [pid 5301] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... exit_group resumed>) = ? [pid 5295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5307 [pid 5305] <... clone resumed>, parent_tid=[5308], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5308 [pid 5304] <... write resumed>) = 262144 [pid 5303] +++ exited with 0 +++ [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] +++ exited with 0 +++ [pid 5295] <... futex resumed>) = 0 [pid 5305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] munmap(0x7fc4e5d63000, 262144 [pid 5301] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5305] <... futex resumed>) = 0 [pid 5301] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5306 attached [pid 5301] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] exit_group(0 [pid 5306] set_robust_list(0x5555563db5e0, 24 [pid 5301] <... futex resumed>) = ? [pid 5295] <... exit_group resumed>) = ? [pid 5306] <... set_robust_list resumed>) = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5306] setpgid(0, 0) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3 [pid 5301] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... munmap resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5309 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5304] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5304] <... openat resumed>) = 4 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5306] <... openat resumed>) = 3 [pid 5304] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5307 attached [pid 5004] close(3 [pid 5304] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5308 attached [pid 5306] write(3, "1000", 4 [pid 5004] <... close resumed>) = 0 [pid 5304] <... ioctl resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5308] set_robust_list(0x7fc4ee1839e0, 24 [pid 5306] <... write resumed>) = 4 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5306] close(3 [pid 5308] memfd_create("syzkaller", 0 [pid 5306] <... close resumed>) = 0 [pid 5308] <... memfd_create resumed>) = 3 [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5306] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5310 [pid 5308] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5307] set_robust_list(0x5555563db5e0, 24 [pid 5306] <... mmap resumed>) = 0x7fc4ee163000 [pid 5306] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5304] ioctl(4, LOOP_SET_FD, 3 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] <... mprotect resumed>) = 0 [pid 5304] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5306] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5304] close(4 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5309 attached [pid 5308] <... write resumed>) = 262144 [pid 5307] <... prctl resumed>) = 0 [pid 5304] <... close resumed>) = 0 [pid 5309] set_robust_list(0x5555563db5e0, 24 [pid 5306] <... clone resumed>, parent_tid=[5311], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5311 [pid 5304] close(3 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5307] setpgid(0, 0 [pid 5306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5311 attached ./strace-static-x86_64: Process 5310 attached [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5308] munmap(0x7fc4e5d63000, 262144 [pid 5304] <... close resumed>) = 0 [pid 5311] set_robust_list(0x7fc4ee1839e0, 24 [pid 5310] set_robust_list(0x5555563db5e0, 24 [pid 5309] <... prctl resumed>) = 0 [pid 5308] <... munmap resumed>) = 0 [pid 5306] <... futex resumed>) = 0 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5309] setpgid(0, 0 [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5311] memfd_create("syzkaller", 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] <... setpgid resumed>) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5311] <... memfd_create resumed>) = 3 [pid 5310] <... prctl resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] <... openat resumed>) = 4 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5310] setpgid(0, 0 [pid 5309] <... openat resumed>) = 3 [pid 5308] ioctl(4, LOOP_SET_FD, 3 [pid 5311] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5310] <... setpgid resumed>) = 0 [pid 5309] write(3, "1000", 4 [pid 5308] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] <... write resumed>) = 4 [pid 5308] ioctl(4, LOOP_CLR_FD [pid 5310] <... openat resumed>) = 3 [pid 5309] close(3 [pid 5308] <... ioctl resumed>) = 0 [pid 5310] write(3, "1000", 4 [pid 5309] <... close resumed>) = 0 [pid 5304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... setpgid resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5310] <... write resumed>) = 4 [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] fspick(AT_FDCWD, ".", 0 [pid 5300] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] close(3 [pid 5309] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5304] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... openat resumed>) = 3 [pid 5304] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5307] write(3, "1000", 4 [pid 5304] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5300] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... close resumed>) = 0 [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5307] <... write resumed>) = 4 [pid 5304] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5300] <... futex resumed>) = 0 [pid 5311] <... write resumed>) = 262144 [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... mmap resumed>) = 0x7fc4ee163000 [pid 5308] ioctl(4, LOOP_SET_FD, 3 [pid 5311] munmap(0x7fc4e5d63000, 262144 [pid 5310] <... futex resumed>) = 0 [pid 5309] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5308] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5307] close(3 [pid 5304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... munmap resumed>) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5309] <... mprotect resumed>) = 0 [pid 5308] close(4 [pid 5307] <... close resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5310] <... mmap resumed>) = 0x7fc4ee163000 [pid 5309] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5308] <... close resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5300] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... openat resumed>) = 4 [pid 5310] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5308] close(3 [pid 5307] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5311] ioctl(4, LOOP_SET_FD, 3 [pid 5310] <... mprotect resumed>) = 0 [pid 5309] <... clone resumed>, parent_tid=[5312], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5312 [pid 5308] <... close resumed>) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5304] <... openat resumed>) = 3 [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5310] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] ioctl(4, LOOP_CLR_FD [pid 5309] <... futex resumed>) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5307] <... mmap resumed>) = 0x7fc4ee163000 [pid 5305] <... futex resumed>) = 0 [pid 5304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... ioctl resumed>) = 0 [pid 5310] <... clone resumed>, parent_tid=[5313], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5313 [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5308] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5310] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5304] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5300] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... futex resumed>) = 0 [pid 5308] fspick(AT_FDCWD, ".", 0 [pid 5307] <... mprotect resumed>) = 0 [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... futex resumed>) = 0 [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5308] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5304] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5300] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5308] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5311] ioctl(4, LOOP_SET_FD, 3 [pid 5308] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5307] <... clone resumed>, parent_tid=[5314], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5314 [pid 5311] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5308] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] exit_group(0 [pid 5311] close(4 [pid 5308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = ? [pid 5300] <... exit_group resumed>) = ? [pid 5311] <... close resumed>) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5311] close(3 [pid 5308] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... close resumed>) = 0 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5304] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5311] <... futex resumed>) = 1 [pid 5308] <... openat resumed>) = 3 [pid 5306] <... futex resumed>) = 0 [pid 5311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 0 [pid 5311] fspick(AT_FDCWD, ".", 0 [pid 5308] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... futex resumed>) = 1 [pid 5308] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5306] <... futex resumed>) = 0 [pid 5311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5305] <... futex resumed>) = 0 [pid 5311] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5308] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] exit_group(0 [pid 5311] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5308] <... futex resumed>) = ? [pid 5305] <... exit_group resumed>) = ? [pid 5311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] +++ exited with 0 +++ [pid 5305] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5311] <... futex resumed>) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5313 attached [pid 5311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5313] set_robust_list(0x7fc4ee1839e0, 24 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5306] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5313] <... set_robust_list resumed>) = 0 [pid 5311] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] memfd_create("syzkaller", 0 [pid 5311] <... openat resumed>) = 3 [pid 5003] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5313] <... memfd_create resumed>) = 3 [pid 5311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 ./strace-static-x86_64: Process 5314 attached [pid 5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5311] <... futex resumed>) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5314] set_robust_list(0x7fc4ee1839e0, 24 [pid 5313] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5312 attached [pid 5314] <... set_robust_list resumed>) = 0 [pid 5313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5306] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5311] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5315 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5314] memfd_create("syzkaller", 0 [pid 5312] set_robust_list(0x7fc4ee1839e0, 24 [pid 5311] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... ioctl resumed>) = 0 [pid 5311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5311] <... futex resumed>) = 1 [pid 5306] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5311] <... futex resumed>) = ? [pid 5306] <... exit_group resumed>) = ? [pid 5314] <... memfd_create resumed>) = 3 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5311] +++ exited with 0 +++ [pid 5306] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5316 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5313] <... write resumed>) = 262144 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5313] munmap(0x7fc4e5d63000, 262144 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5313] <... munmap resumed>) = 0 [pid 5312] memfd_create("syzkaller", 0 [pid 5313] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5315 attached ) = 4 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5315] set_robust_list(0x5555563db5e0, 24 [pid 5314] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5313] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... openat resumed>) = 3 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5313] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5312] <... memfd_create resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] ioctl(4, LOOP_CLR_FD [pid 5000] <... ioctl resumed>) = 0 [pid 5315] <... prctl resumed>) = 0 [pid 5313] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 5315] setpgid(0, 0 [pid 5000] <... close resumed>) = 0 [pid 5315] <... setpgid resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5317 [pid 5315] write(3, "1000", 4) = 4 [pid 5313] ioctl(4, LOOP_SET_FD, 3 [pid 5315] close(3 [pid 5313] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5316 attached [pid 5315] <... close resumed>) = 0 [pid 5313] close(4 [pid 5316] set_robust_list(0x5555563db5e0, 24 [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... close resumed>) = 0 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5313] close(3 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5313] <... close resumed>) = 0 [pid 5316] <... prctl resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x7fc4ee163000 [pid 5313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] setpgid(0, 0 [pid 5315] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5316] <... setpgid resumed>) = 0 [pid 5315] <... mprotect resumed>) = 0 [pid 5313] fspick(AT_FDCWD, ".", 0 [pid 5310] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5313] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5310] <... futex resumed>) = 0 [pid 5316] <... openat resumed>) = 3 [pid 5313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] write(3, "1000", 4 [pid 5315] <... clone resumed>, parent_tid=[5318], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5318 [pid 5313] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... write resumed>) = 4 [pid 5315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] close(3 [pid 5315] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5316] <... close resumed>) = 0 [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5313] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5316] <... futex resumed>) = 0 [pid 5313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5317 attached [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5317] set_robust_list(0x5555563db5e0, 24 [pid 5316] <... mmap resumed>) = 0x7fc4ee163000 [pid 5313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5316] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5316] <... mprotect resumed>) = 0 [pid 5314] <... write resumed>) = 262144 [pid 5313] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] <... prctl resumed>) = 0 [pid 5316] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5314] munmap(0x7fc4e5d63000, 262144 [pid 5313] <... openat resumed>) = 3 [pid 5317] setpgid(0, 0 [pid 5313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... setpgid resumed>) = 0 [pid 5316] <... clone resumed>, parent_tid=[5319], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5319 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5316] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... munmap resumed>) = 0 [pid 5313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... openat resumed>) = 3 [pid 5316] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... write resumed>) = 262144 [pid 5310] <... futex resumed>) = 0 [pid 5317] write(3, "1000", 4 [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5313] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5310] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] <... write resumed>) = 4 [pid 5313] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5317] close(3 [pid 5313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... close resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] munmap(0x7fc4e5d63000, 262144 [pid 5310] exit_group(0 [pid 5317] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = ? [pid 5310] <... exit_group resumed>) = ? [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] <... openat resumed>) = 4 [pid 5313] +++ exited with 0 +++ [pid 5312] <... munmap resumed>) = 0 [pid 5310] +++ exited with 0 +++ [pid 5317] <... mmap resumed>) = 0x7fc4ee163000 [pid 5314] ioctl(4, LOOP_SET_FD, 3 [pid 5312] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5317] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5314] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5312] <... openat resumed>) = 4 [pid 5317] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5314] ioctl(4, LOOP_CLR_FD [pid 5312] ioctl(4, LOOP_SET_FD, 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5314] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5320 attached ./strace-static-x86_64: Process 5319 attached ./strace-static-x86_64: Process 5318 attached [pid 5317] <... clone resumed>, parent_tid=[5320], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5320 [pid 5312] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5320] set_robust_list(0x7fc4ee1839e0, 24 [pid 5319] set_robust_list(0x7fc4ee1839e0, 24 [pid 5318] set_robust_list(0x7fc4ee1839e0, 24 [pid 5317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5320] memfd_create("syzkaller", 0 [pid 5319] memfd_create("syzkaller", 0 [pid 5004] close(3 [pid 5318] memfd_create("syzkaller", 0 [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5319] <... memfd_create resumed>) = 3 [pid 5320] <... memfd_create resumed>) = 3 [pid 5318] <... memfd_create resumed>) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5319] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5318] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5321 [pid 5312] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5314] close(4) = 0 [pid 5314] close(3 [pid 5318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5314] <... close resumed>) = 0 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5312] close(4) = 0 [pid 5319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5312] close(3) = 0 [pid 5318] <... write resumed>) = 262144 [pid 5314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 1 [pid 5319] <... write resumed>) = 262144 [pid 5314] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 1 [pid 5314] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5321 attached [pid 5320] <... write resumed>) = 262144 [pid 5319] munmap(0x7fc4e5d63000, 262144 [pid 5318] munmap(0x7fc4e5d63000, 262144 [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] munmap(0x7fc4e5d63000, 262144 [pid 5319] <... munmap resumed>) = 0 [pid 5314] <... futex resumed>) = 1 [pid 5314] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5318] <... munmap resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... munmap resumed>) = 0 [pid 5319] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5318] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5321] set_robust_list(0x5555563db5e0, 24 [pid 5320] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5319] <... openat resumed>) = 4 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] <... openat resumed>) = 4 [pid 5319] ioctl(4, LOOP_SET_FD, 3 [pid 5318] <... openat resumed>) = 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5319] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5319] ioctl(4, LOOP_CLR_FD [pid 5318] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5321] <... prctl resumed>) = 0 [pid 5320] ioctl(4, LOOP_CLR_FD [pid 5319] <... ioctl resumed>) = 0 [pid 5318] ioctl(4, LOOP_CLR_FD [pid 5314] <... futex resumed>) = 1 [pid 5312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5321] setpgid(0, 0 [pid 5320] <... ioctl resumed>) = 0 [pid 5318] <... ioctl resumed>) = 0 [pid 5314] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5312] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... setpgid resumed>) = 0 [pid 5314] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5312] fspick(AT_FDCWD, ".", 0 [pid 5309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5309] <... futex resumed>) = 0 [pid 5307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... openat resumed>) = 3 [pid 5319] ioctl(4, LOOP_SET_FD, 3 [pid 5314] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] write(3, "1000", 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5319] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5314] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] exit_group(0 [pid 5321] <... write resumed>) = 4 [pid 5320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5319] close(4 [pid 5318] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5314] <... futex resumed>) = ? [pid 5312] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... exit_group resumed>) = ? [pid 5321] close(3 [pid 5320] close(4 [pid 5319] <... close resumed>) = 0 [pid 5318] close(4 [pid 5314] +++ exited with 0 +++ [pid 5312] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5309] <... futex resumed>) = 0 [pid 5307] +++ exited with 0 +++ [pid 5321] <... close resumed>) = 0 [pid 5320] <... close resumed>) = 0 [pid 5319] close(3 [pid 5318] <... close resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] close(3 [pid 5312] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... close resumed>) = 0 [pid 5318] close(3 [pid 5321] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... close resumed>) = 0 [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... close resumed>) = 0 [pid 5312] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5321] <... mmap resumed>) = 0x7fc4ee163000 [pid 5320] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 1 [pid 5318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5312] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5321] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5321] <... mprotect resumed>) = 0 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5321] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5320] fspick(AT_FDCWD, ".", 0 [pid 5319] fspick(AT_FDCWD, ".", 0 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5320] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5319] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5318] fspick(AT_FDCWD, ".", 0 [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5321] <... clone resumed>, parent_tid=[5322], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5322 [pid 5320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5312] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 1 [pid 5318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5312] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5323 [pid 5321] <... futex resumed>) = 0 [pid 5320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5323 attached [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5323] set_robust_list(0x5555563db5e0, 24 [pid 5320] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5319] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] exit_group(0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5320] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5319] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5318] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... futex resumed>) = ? [pid 5309] <... exit_group resumed>) = ? [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5312] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ ./strace-static-x86_64: Process 5322 attached [pid 5323] <... prctl resumed>) = 0 [pid 5320] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 1 [pid 5318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5323] setpgid(0, 0 [pid 5322] set_robust_list(0x7fc4ee1839e0, 24 [pid 5320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5323] <... setpgid resumed>) = 0 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] memfd_create("syzkaller", 0 [pid 5320] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5319] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5323] <... openat resumed>) = 3 [pid 5322] <... memfd_create resumed>) = 3 [pid 5320] <... openat resumed>) = 3 [pid 5319] <... openat resumed>) = 3 [pid 5318] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5323] write(3, "1000", 4 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 [pid 5323] <... write resumed>) = 4 [pid 5322] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5320] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 1 [pid 5318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5323] close(3 [pid 5322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5323] <... close resumed>) = 0 [pid 5322] <... write resumed>) = 262144 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5318] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] munmap(0x7fc4e5d63000, 262144 [pid 5320] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5319] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... munmap resumed>) = 0 [pid 5320] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5319] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5318] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5324 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5322] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5324 attached [pid 5323] <... mmap resumed>) = 0x7fc4ee163000 [pid 5322] <... openat resumed>) = 4 [pid 5320] <... futex resumed>) = 1 [pid 5319] <... futex resumed>) = 1 [pid 5318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5324] set_robust_list(0x5555563db5e0, 24 [pid 5323] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5322] ioctl(4, LOOP_SET_FD, 3 [pid 5320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] <... futex resumed>) = 1 [pid 5317] exit_group(0 [pid 5316] exit_group(0 [pid 5315] <... futex resumed>) = 0 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] <... mprotect resumed>) = 0 [pid 5322] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5320] <... futex resumed>) = ? [pid 5319] <... futex resumed>) = ? [pid 5318] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... exit_group resumed>) = ? [pid 5316] <... exit_group resumed>) = ? [pid 5315] exit_group(0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5322] ioctl(4, LOOP_CLR_FD [pid 5320] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5322] <... ioctl resumed>) = 0 [pid 5317] +++ exited with 0 +++ ./strace-static-x86_64: Process 5325 attached [pid 5324] <... prctl resumed>) = 0 [pid 5318] <... futex resumed>) = ? [pid 5316] +++ exited with 0 +++ [pid 5315] <... exit_group resumed>) = ? [pid 5325] set_robust_list(0x7fc4ee1839e0, 24 [pid 5324] setpgid(0, 0 [pid 5323] <... clone resumed>, parent_tid=[5325], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5325 [pid 5318] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] <... setpgid resumed>) = 0 [pid 5323] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] ioctl(4, LOOP_SET_FD, 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5325] memfd_create("syzkaller", 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] <... futex resumed>) = 0 [pid 5322] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... restart_syscall resumed>) = 0 [pid 5325] <... memfd_create resumed>) = 3 [pid 5324] <... openat resumed>) = 3 [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5324] write(3, "1000", 4 [pid 5322] close(4 [pid 5000] <... openat resumed>) = 3 [pid 5325] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5324] <... write resumed>) = 4 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5324] close(3 [pid 5322] <... close resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = 0 [pid 5325] <... write resumed>) = 262144 [pid 5324] <... close resumed>) = 0 [pid 5322] close(3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] close(3 [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5322] <... close resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5326 [pid 5324] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5324] <... mprotect resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5325] munmap(0x7fc4e5d63000, 262144 [pid 5324] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5322] fspick(AT_FDCWD, ".", 0 [pid 5321] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... ioctl resumed>) = 0 [pid 5325] <... munmap resumed>) = 0 [pid 5321] <... futex resumed>) = 0 [pid 5325] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5324] <... clone resumed>, parent_tid=[5327], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5327 [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] <... openat resumed>) = 4 [pid 5324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] ioctl(4, LOOP_SET_FD, 3 [pid 5324] <... futex resumed>) = 0 [pid 5325] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] close(3 [pid 5325] ioctl(4, LOOP_CLR_FD [pid 5322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5328 [pid 5002] <... close resumed>) = 0 [pid 5325] <... ioctl resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5322] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5327 attached [pid 5327] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5327] memfd_create("syzkaller", 0) = 3 [pid 5327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5322] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5329 [pid 5322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5322] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] ioctl(4, LOOP_SET_FD, 3 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5325] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5322] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] close(4) = 0 [pid 5325] close(3) = 0 [pid 5322] <... openat resumed>) = 3 [pid 5322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5322] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5322] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5321] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5325] fspick(AT_FDCWD, ".", 0 [pid 5323] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5325] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] exit_group(0 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5325] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] <... futex resumed>) = ? [pid 5321] <... exit_group resumed>) = ? [pid 5325] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] +++ exited with 0 +++ [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5325] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5325] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5325] <... openat resumed>) = 3 [pid 5321] +++ exited with 0 +++ [pid 5325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5325] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5325] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5323] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5327] <... write resumed>) = 262144 [pid 5325] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5329 attached [pid 5325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5328 attached [pid 5329] set_robust_list(0x5555563db5e0, 24 [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5329] <... set_robust_list resumed>) = 0 [pid 5325] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] exit_group(0 [pid 5004] <... ioctl resumed>) = 0 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] <... futex resumed>) = ? [pid 5323] <... exit_group resumed>) = ? [pid 5329] <... prctl resumed>) = 0 [pid 5325] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5004] close(3 [pid 5329] setpgid(0, 0 [pid 5327] munmap(0x7fc4e5d63000, 262144 [pid 5004] <... close resumed>) = 0 [pid 5329] <... setpgid resumed>) = 0 [pid 5328] set_robust_list(0x5555563db5e0, 24 [pid 5327] <... munmap resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5329] write(3, "1000", 4 [pid 5327] <... openat resumed>) = 4 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5330 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5329] <... write resumed>) = 4 [pid 5327] ioctl(4, LOOP_SET_FD, 3 [pid 5329] close(3 [pid 5327] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] <... restart_syscall resumed>) = 0 [pid 5329] <... close resumed>) = 0 [pid 5327] ioctl(4, LOOP_CLR_FD [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... ioctl resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5329] <... futex resumed>) = 0 [pid 5329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 4999] <... openat resumed>) = 3 [pid 5329] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5328] <... set_robust_list resumed>) = 0 [pid 5329] <... mprotect resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5329] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5331], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5331 [pid 5329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5330 attached [pid 5329] <... futex resumed>) = 0 [pid 5330] set_robust_list(0x5555563db5e0, 24 [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5327] ioctl(4, LOOP_SET_FD, 3 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5327] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] close(4 [pid 5330] <... prctl resumed>) = 0 [pid 5327] <... close resumed>) = 0 [pid 5330] setpgid(0, 0 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] close(3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5332 [pid 5330] <... setpgid resumed>) = 0 [pid 5328] <... prctl resumed>) = 0 [pid 5327] <... close resumed>) = 0 ./strace-static-x86_64: Process 5326 attached [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] setpgid(0, 0 [pid 5327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... openat resumed>) = 3 [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5330] write(3, "1000", 4 [pid 5327] fspick(AT_FDCWD, ".", 0 [pid 5324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... write resumed>) = 4 [pid 5327] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5324] <... futex resumed>) = 0 [pid 5330] close(3 [pid 5327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... close resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = 0 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5324] <... futex resumed>) = 0 [pid 5328] <... setpgid resumed>) = 0 [pid 5330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5327] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... mmap resumed>) = 0x7fc4ee163000 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5327] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5330] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... mprotect resumed>) = 0 [pid 5328] <... openat resumed>) = 3 [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5330] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] write(3, "1000", 4 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] set_robust_list(0x5555563db5e0, 24 [pid 5324] <... futex resumed>) = 0 [pid 5330] <... clone resumed>, parent_tid=[5333], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5333 [pid 5327] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... openat resumed>) = 3 [pid 5330] <... futex resumed>) = 0 [pid 5327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... write resumed>) = 4 [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5328] close(3 [pid 5327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5324] <... futex resumed>) = 0 [pid 5328] <... close resumed>) = 0 [pid 5326] <... set_robust_list resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... futex resumed>) = 0 [pid 5327] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5331 attached [pid 5327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] set_robust_list(0x7fc4ee1839e0, 24 [pid 5327] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5324] exit_group(0 [pid 5331] memfd_create("syzkaller", 0 [pid 5328] <... mmap resumed>) = 0x7fc4ee163000 [pid 5327] <... futex resumed>) = ? [pid 5326] <... prctl resumed>) = 0 [pid 5324] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5332 attached [pid 5331] <... memfd_create resumed>) = 3 [pid 5328] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5327] +++ exited with 0 +++ [pid 5326] setpgid(0, 0 [pid 5324] +++ exited with 0 +++ [pid 5331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5331] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5328] <... mprotect resumed>) = 0 [pid 5326] <... setpgid resumed>) = 0 [pid 5332] set_robust_list(0x5555563db5e0, 24 [pid 5331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5328] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5332] <... set_robust_list resumed>) = 0 [pid 5326] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5328] <... clone resumed>, parent_tid=[5334], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5334 [pid 5326] write(3, "1000", 4 [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5333 attached [pid 5328] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... write resumed>) = 4 [pid 5001] <... ioctl resumed>) = 0 [pid 5333] set_robust_list(0x7fc4ee1839e0, 24 [pid 5328] <... futex resumed>) = 0 [pid 5326] close(3 [pid 5001] close(3 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5326] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] memfd_create("syzkaller", 0) = 3 [pid 5333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... prctl resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5335 [pid 5331] <... write resumed>) = 262144 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] munmap(0x7fc4e5d63000, 262144 [pid 5333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5332] setpgid(0, 0 [pid 5331] <... munmap resumed>) = 0 [pid 5326] <... mmap resumed>) = 0x7fc4ee163000 [pid 5332] <... setpgid resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5326] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5331] <... openat resumed>) = 4 [pid 5331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5331] ioctl(4, LOOP_CLR_FD [pid 5333] <... write resumed>) = 262144 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] <... ioctl resumed>) = 0 [pid 5326] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5334 attached [pid 5326] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5334] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5334] memfd_create("syzkaller", 0 [pid 5332] <... openat resumed>) = 3 [pid 5326] <... clone resumed>, parent_tid=[5336], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5336 [pid 5332] write(3, "1000", 4 [pid 5326] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... memfd_create resumed>) = 3 [pid 5333] munmap(0x7fc4e5d63000, 262144 [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5333] <... munmap resumed>) = 0 [pid 5332] <... write resumed>) = 4 [pid 5326] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5335 attached [pid 5334] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5335] set_robust_list(0x5555563db5e0, 24 [pid 5334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5332] close(3 [pid 5331] ioctl(4, LOOP_SET_FD, 3 [pid 5333] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5332] <... close resumed>) = 0 [pid 5331] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5333] <... openat resumed>) = 4 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] close(4 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] <... write resumed>) = 262144 [pid 5333] ioctl(4, LOOP_SET_FD, 3 [pid 5332] <... futex resumed>) = 0 [pid 5331] <... close resumed>) = 0 [pid 5333] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] close(3./strace-static-x86_64: Process 5336 attached [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] ioctl(4, LOOP_CLR_FD [pid 5332] <... mmap resumed>) = 0x7fc4ee163000 [pid 5331] <... close resumed>) = 0 [pid 5336] set_robust_list(0x7fc4ee1839e0, 24 [pid 5335] <... prctl resumed>) = 0 [pid 5333] <... ioctl resumed>) = 0 [pid 5332] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5336] memfd_create("syzkaller", 0 [pid 5332] <... mprotect resumed>) = 0 [pid 5331] fspick(AT_FDCWD, ".", 0 [pid 5329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... memfd_create resumed>) = 3 [pid 5335] setpgid(0, 0 [pid 5334] munmap(0x7fc4e5d63000, 262144 [pid 5332] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5331] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5329] <... futex resumed>) = 0 [pid 5336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5334] <... munmap resumed>) = 0 [pid 5331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5331] <... futex resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... clone resumed>, parent_tid=[5337], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5337 [pid 5332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5335] <... setpgid resumed>) = 0 [pid 5336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5331] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... openat resumed>) = 4 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... write resumed>) = 262144 [pid 5329] <... futex resumed>) = 0 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] ioctl(4, LOOP_SET_FD, 3 [pid 5336] munmap(0x7fc4e5d63000, 262144 [pid 5331] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5331] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5334] ioctl(4, LOOP_CLR_FD [pid 5331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5334] <... ioctl resumed>) = 0 [pid 5331] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... openat resumed>) = 3 [pid 5329] <... futex resumed>) = 0 [pid 5331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] <... futex resumed>) = 0 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... munmap resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5331] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... openat resumed>) = 4 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] <... futex resumed>) = 0 [pid 5336] ioctl(4, LOOP_SET_FD, 3 [pid 5331] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5331] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5336] ioctl(4, LOOP_CLR_FD [pid 5331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... ioctl resumed>) = 0 [pid 5331] <... futex resumed>) = 1 [pid 5329] <... futex resumed>) = 0 [pid 5334] ioctl(4, LOOP_SET_FD, 3 [pid 5331] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] exit_group(0 [pid 5334] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5331] <... futex resumed>) = ? [pid 5329] <... exit_group resumed>) = ? [pid 5334] close(4 [pid 5335] <... openat resumed>) = 3 [pid 5335] write(3, "1000", 4 [pid 5331] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5334] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5336] ioctl(4, LOOP_SET_FD, 3 [pid 5334] close(3 [pid 5002] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5336] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5334] <... close resumed>) = 0 [pid 5336] close(4 [pid 5334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5336] <... close resumed>) = 0 [pid 5334] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5336] close(3 [pid 5335] <... write resumed>) = 4 [pid 5334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5335] close(3 [pid 5002] <... ioctl resumed>) = 0 [pid 5336] <... close resumed>) = 0 [pid 5335] <... close resumed>) = 0 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] ioctl(4, LOOP_SET_FD, 3 [pid 5328] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] fspick(AT_FDCWD, ".", 0 [pid 5333] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5337 attached [pid 5336] <... futex resumed>) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5334] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5333] close(4 [pid 5326] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] set_robust_list(0x7fc4ee1839e0, 24 [pid 5336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... close resumed>) = 0 [pid 5326] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... mmap resumed>) = 0x7fc4ee163000 [pid 5334] <... futex resumed>) = 1 [pid 5333] close(3 [pid 5328] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5338 [pid 5337] memfd_create("syzkaller", 0 [pid 5336] fspick(AT_FDCWD, ".", 0 [pid 5335] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... close resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... memfd_create resumed>) = 3 [pid 5336] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5335] <... mprotect resumed>) = 0 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5334] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5333] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5336] <... futex resumed>) = 1 [pid 5334] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5333] fspick(AT_FDCWD, ".", 0 [pid 5330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5335] <... clone resumed>, parent_tid=[5339], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5339 [pid 5333] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5326] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5338 attached [pid 5337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5336] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] <... futex resumed>) = 0 [pid 5336] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5334] <... futex resumed>) = 1 [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... futex resumed>) = 0 [pid 5336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] set_robust_list(0x5555563db5e0, 24 [pid 5337] <... write resumed>) = 262144 [pid 5336] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] munmap(0x7fc4e5d63000, 262144 [pid 5336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5333] <... futex resumed>) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... openat resumed>) = 3 [pid 5333] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5339 attached [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] <... munmap resumed>) = 0 [pid 5336] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] set_robust_list(0x7fc4ee1839e0, 24 [pid 5338] <... prctl resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5336] <... openat resumed>) = 3 [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] setpgid(0, 0 [pid 5337] <... openat resumed>) = 4 [pid 5336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] memfd_create("syzkaller", 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] ioctl(4, LOOP_SET_FD, 3 [pid 5336] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5339] <... memfd_create resumed>) = 3 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = 0 [pid 5328] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5338] <... openat resumed>) = 3 [pid 5337] ioctl(4, LOOP_CLR_FD [pid 5336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5333] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 0 [pid 5339] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5338] write(3, "1000", 4 [pid 5337] <... ioctl resumed>) = 0 [pid 5336] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... openat resumed>) = 3 [pid 5326] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5338] <... write resumed>) = 4 [pid 5336] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5339] <... write resumed>) = 262144 [pid 5338] close(3 [pid 5336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 0 [pid 5328] exit_group(0 [pid 5339] munmap(0x7fc4e5d63000, 262144 [pid 5338] <... close resumed>) = 0 [pid 5337] ioctl(4, LOOP_SET_FD, 3 [pid 5336] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = ? [pid 5333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... exit_group resumed>) = ? [pid 5326] <... futex resumed>) = 0 [pid 5339] <... munmap resumed>) = 0 [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] +++ exited with 0 +++ [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = 0 [pid 5339] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5333] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5339] <... openat resumed>) = 4 [pid 5338] <... futex resumed>) = 0 [pid 5337] close(4 [pid 5333] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] +++ exited with 0 +++ [pid 5326] exit_group(0 [pid 5339] ioctl(4, LOOP_SET_FD, 3 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] <... close resumed>) = 0 [pid 5336] <... futex resumed>) = ? [pid 5333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... exit_group resumed>) = ? [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5339] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5338] <... mmap resumed>) = 0x7fc4ee163000 [pid 5337] close(3 [pid 5336] +++ exited with 0 +++ [pid 5333] <... futex resumed>) = 0 [pid 5330] exit_group(0 [pid 5339] ioctl(4, LOOP_CLR_FD [pid 5338] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] +++ exited with 0 +++ [pid 5339] <... ioctl resumed>) = 0 [pid 5337] <... close resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5338] <... mprotect resumed>) = 0 [pid 5337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = ? [pid 5330] <... exit_group resumed>) = ? [pid 5003] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5337] <... futex resumed>) = 1 [pid 5333] +++ exited with 0 +++ [pid 5332] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5337] fspick(AT_FDCWD, ".", 0 [pid 5332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] +++ exited with 0 +++ [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5339] ioctl(4, LOOP_SET_FD, 3 [pid 5338] <... clone resumed>, parent_tid=[5340], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5340 [pid 5337] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5332] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5339] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... close resumed>) = 0 [pid 5339] close(4 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5340 attached [pid 5339] <... close resumed>) = 0 [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5340] set_robust_list(0x7fc4ee1839e0, 24 [pid 5339] close(3 [pid 5337] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5332] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5341 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5340] <... set_robust_list resumed>) = 0 [pid 5339] <... close resumed>) = 0 [pid 5337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5341 attached [pid 5340] memfd_create("syzkaller", 0 [pid 5339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] close(3 [pid 5000] close(3 [pid 5341] set_robust_list(0x5555563db5e0, 24 [pid 5340] <... memfd_create resumed>) = 3 [pid 5339] <... futex resumed>) = 1 [pid 5337] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] <... futex resumed>) = 0 [pid 5332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5335] <... futex resumed>) = 0 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] <... prctl resumed>) = 0 [pid 5339] fspick(AT_FDCWD, ".", 0 [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5342 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5343 [pid 5341] setpgid(0, 0 [pid 5340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5339] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5337] <... openat resumed>) = 3 [pid 5341] <... setpgid resumed>) = 0 [pid 5339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5335] <... futex resumed>) = 0 [pid 5339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... write resumed>) = 262144 [pid 5337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] munmap(0x7fc4e5d63000, 262144 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5341] <... openat resumed>) = 3 [pid 5340] <... munmap resumed>) = 0 [pid 5339] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5337] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] write(3, "1000", 4 [pid 5340] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5339] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5337] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5332] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5342 attached [pid 5341] <... write resumed>) = 4 [pid 5340] <... openat resumed>) = 4 [pid 5339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] set_robust_list(0x5555563db5e0, 24 [pid 5341] close(3 [pid 5340] ioctl(4, LOOP_SET_FD, 3 [pid 5339] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] <... close resumed>) = 0 [pid 5340] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] exit_group(0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] ioctl(4, LOOP_CLR_FD [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] <... futex resumed>) = ? [pid 5335] <... futex resumed>) = 0 [pid 5332] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5343 attached [pid 5342] <... prctl resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5340] <... ioctl resumed>) = 0 [pid 5339] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5337] +++ exited with 0 +++ [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] +++ exited with 0 +++ [pid 5343] set_robust_list(0x5555563db5e0, 24 [pid 5342] setpgid(0, 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5339] <... openat resumed>) = 3 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] <... setpgid resumed>) = 0 [pid 5341] <... mmap resumed>) = 0x7fc4ee163000 [pid 5339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5339] <... futex resumed>) = 1 [pid 5335] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5343] <... prctl resumed>) = 0 [pid 5342] <... openat resumed>) = 3 [pid 5341] <... mprotect resumed>) = 0 [pid 5339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5343] setpgid(0, 0 [pid 5342] write(3, "1000", 4 [pid 5341] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5340] ioctl(4, LOOP_SET_FD, 3 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5335] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5343] <... setpgid resumed>) = 0 [pid 5342] <... write resumed>) = 4 [pid 5340] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5339] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5335] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] close(3 [pid 5341] <... clone resumed>, parent_tid=[5344], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5344 [pid 5340] close(4 [pid 5339] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] close(3 [pid 5343] <... openat resumed>) = 3 [pid 5342] <... close resumed>) = 0 [pid 5341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... close resumed>) = 0 [pid 5339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5343] write(3, "1000", 4 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 0 [pid 5340] close(3 [pid 5339] <... futex resumed>) = 1 [pid 5335] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5343] <... write resumed>) = 4 [pid 5342] <... futex resumed>) = 0 [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] <... close resumed>) = 0 [pid 5339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] exit_group(0./strace-static-x86_64: Process 5344 attached [pid 5343] close(3 [pid 5342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = ? [pid 5335] <... exit_group resumed>) = ? [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5345 [pid 5344] set_robust_list(0x7fc4ee1839e0, 24 [pid 5343] <... close resumed>) = 0 [pid 5342] <... mmap resumed>) = 0x7fc4ee163000 [pid 5340] <... futex resumed>) = 1 [pid 5339] +++ exited with 0 +++ [pid 5338] <... futex resumed>) = 0 [pid 5335] +++ exited with 0 +++ [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5344] memfd_create("syzkaller", 0 [pid 5343] <... futex resumed>) = 0 [pid 5342] <... mprotect resumed>) = 0 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5344] <... memfd_create resumed>) = 3 [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5340] fspick(AT_FDCWD, ".", 0 [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5345 attached [pid 5344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5343] <... mmap resumed>) = 0x7fc4ee163000 [pid 5340] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5345] set_robust_list(0x5555563db5e0, 24 [pid 5344] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5343] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5342] <... clone resumed>, parent_tid=[5346], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5346 [pid 5340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5343] <... mprotect resumed>) = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5345] <... prctl resumed>) = 0 [pid 5344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5345] setpgid(0, 0 [pid 5343] <... clone resumed>, parent_tid=[5347], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5347 [pid 5342] <... futex resumed>) = 0 [pid 5340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5345] <... setpgid resumed>) = 0 [pid 5344] <... write resumed>) = 262144 [pid 5343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5346 attached [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] munmap(0x7fc4e5d63000, 262144 [pid 5343] <... futex resumed>) = 0 [pid 5340] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5346] set_robust_list(0x7fc4ee1839e0, 24 [pid 5345] <... openat resumed>) = 3 [pid 5344] <... munmap resumed>) = 0 [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] write(3, "1000", 4 [pid 5344] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5346] memfd_create("syzkaller", 0 [pid 5345] <... write resumed>) = 4 [pid 5344] <... openat resumed>) = 4 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5346] <... memfd_create resumed>) = 3 [pid 5345] close(3 [pid 5344] ioctl(4, LOOP_SET_FD, 3 [pid 5340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5345] <... close resumed>) = 0 [pid 5344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5348 ./strace-static-x86_64: Process 5347 attached [pid 5346] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] ioctl(4, LOOP_CLR_FD [pid 5340] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] set_robust_list(0x7fc4ee1839e0, 24 [pid 5345] <... futex resumed>) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5347] memfd_create("syzkaller", 0 [pid 5346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5345] <... mmap resumed>) = 0x7fc4ee163000 [pid 5344] <... ioctl resumed>) = 0 [pid 5347] <... memfd_create resumed>) = 3 [pid 5345] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5340] <... openat resumed>) = 3 [pid 5347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5345] <... mprotect resumed>) = 0 [pid 5347] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5346] <... write resumed>) = 262144 [pid 5345] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5348 attached [pid 5346] munmap(0x7fc4e5d63000, 262144 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5348] set_robust_list(0x5555563db5e0, 24 [pid 5347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5346] <... munmap resumed>) = 0 [pid 5345] <... clone resumed>, parent_tid=[5349], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5349 [pid 5340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5347] <... write resumed>) = 262144 [pid 5346] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5349 attached [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] <... openat resumed>) = 4 [pid 5345] <... futex resumed>) = 0 [pid 5344] ioctl(4, LOOP_SET_FD, 3 [pid 5340] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] set_robust_list(0x7fc4ee1839e0, 24 [pid 5348] <... prctl resumed>) = 0 [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5340] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] setpgid(0, 0 [pid 5346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] close(4 [pid 5340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] memfd_create("syzkaller", 0 [pid 5348] <... setpgid resumed>) = 0 [pid 5347] munmap(0x7fc4e5d63000, 262144 [pid 5346] ioctl(4, LOOP_CLR_FD [pid 5344] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5349] <... memfd_create resumed>) = 3 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] <... munmap resumed>) = 0 [pid 5346] <... ioctl resumed>) = 0 [pid 5344] close(3 [pid 5340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] exit_group(0 [pid 5349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5348] <... openat resumed>) = 3 [pid 5347] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5348] write(3, "1000", 4 [pid 5347] ioctl(4, LOOP_SET_FD, 3 [pid 5344] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5349] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5348] <... write resumed>) = 4 [pid 5347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] +++ exited with 0 +++ [pid 5347] ioctl(4, LOOP_CLR_FD [pid 5348] close(3 [pid 5347] <... ioctl resumed>) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5338] +++ exited with 0 +++ [pid 5348] <... close resumed>) = 0 [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = 0 [pid 5349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5348] <... futex resumed>) = 0 [pid 5346] close(4 [pid 5344] fspick(AT_FDCWD, ".", 0 [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5346] <... close resumed>) = 0 [pid 5344] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5348] <... mmap resumed>) = 0x7fc4ee163000 [pid 5347] ioctl(4, LOOP_SET_FD, 3 [pid 5346] close(3 [pid 5344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... write resumed>) = 262144 [pid 5348] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5349] munmap(0x7fc4e5d63000, 262144 [pid 5348] <... mprotect resumed>) = 0 [pid 5347] close(4 [pid 5346] <... close resumed>) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5348] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5347] <... close resumed>) = 0 [pid 5346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5349] <... munmap resumed>) = 0 [pid 5347] close(3 [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5349] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5348] <... clone resumed>, parent_tid=[5350], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5350 [pid 5347] <... close resumed>) = 0 [pid 5346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5349] <... openat resumed>) = 4 [pid 5348] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5342] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5349] ioctl(4, LOOP_SET_FD, 3 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 1 [pid 5346] fspick(AT_FDCWD, ".", 0 [pid 5344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5349] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5344] <... futex resumed>) = 1 [pid 5343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5350 attached [pid 5349] ioctl(4, LOOP_CLR_FD [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... futex resumed>) = 0 [pid 5341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5350] set_robust_list(0x7fc4ee1839e0, 24 [pid 5349] <... ioctl resumed>) = 0 [pid 5347] fspick(AT_FDCWD, ".", 0 [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5347] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5351 [pid 5350] memfd_create("syzkaller", 0 [pid 5347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... openat resumed>) = 3 [pid 5342] <... futex resumed>) = 0 [pid 5350] <... memfd_create resumed>) = 3 [pid 5347] <... futex resumed>) = 1 [pid 5346] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5351 attached [pid 5350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5349] ioctl(4, LOOP_SET_FD, 3 [pid 5347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5344] <... futex resumed>) = 1 [pid 5343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 0 [pid 5351] set_robust_list(0x5555563db5e0, 24 [pid 5350] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5349] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... futex resumed>) = 0 [pid 5341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] close(4 [pid 5347] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5349] <... close resumed>) = 0 [pid 5347] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5349] close(3 [pid 5347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5342] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5349] <... close resumed>) = 0 [pid 5347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] <... write resumed>) = 262144 [pid 5349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... openat resumed>) = 3 [pid 5344] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5351] <... prctl resumed>) = 0 [pid 5350] munmap(0x7fc4e5d63000, 262144 [pid 5349] <... futex resumed>) = 1 [pid 5347] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] exit_group(0 [pid 5351] setpgid(0, 0 [pid 5350] <... munmap resumed>) = 0 [pid 5349] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... openat resumed>) = 3 [pid 5346] <... futex resumed>) = 1 [pid 5345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 0 [pid 5351] <... setpgid resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = ? [pid 5342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... exit_group resumed>) = ? [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] <... openat resumed>) = 4 [pid 5349] fspick(AT_FDCWD, ".", 0 [pid 5347] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] +++ exited with 0 +++ [pid 5343] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = 0 [pid 5351] <... openat resumed>) = 3 [pid 5350] ioctl(4, LOOP_SET_FD, 3 [pid 5349] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] +++ exited with 0 +++ [pid 5351] write(3, "1000", 4 [pid 5350] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5343] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5351] <... write resumed>) = 4 [pid 5350] ioctl(4, LOOP_CLR_FD [pid 5349] <... futex resumed>) = 1 [pid 5347] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... futex resumed>) = 0 [pid 5343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5351] close(3 [pid 5350] <... ioctl resumed>) = 0 [pid 5349] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5346] <... futex resumed>) = 1 [pid 5345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5351] <... close resumed>) = 0 [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] <... futex resumed>) = 0 [pid 5342] exit_group(0 [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5347] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = ? [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] <... futex resumed>) = 0 [pid 5342] <... exit_group resumed>) = ? [pid 5351] <... futex resumed>) = 0 [pid 5349] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] +++ exited with 0 +++ [pid 5343] exit_group(0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5350] ioctl(4, LOOP_SET_FD, 3 [pid 5349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = ? [pid 5343] <... exit_group resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 5351] <... mmap resumed>) = 0x7fc4ee163000 [pid 5350] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5349] <... futex resumed>) = 1 [pid 5347] +++ exited with 0 +++ [pid 5345] <... futex resumed>) = 0 [pid 5343] +++ exited with 0 +++ [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5351] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5350] close(4 [pid 5349] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5351] <... mprotect resumed>) = 0 [pid 5350] <... close resumed>) = 0 [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] close(3 [pid 5351] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5350] close(3 [pid 5349] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5351] <... clone resumed>, parent_tid=[5352], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5352 [pid 5350] <... close resumed>) = 0 [pid 5349] <... openat resumed>) = 3 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5351] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5353 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5351] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5349] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5350] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3./strace-static-x86_64: Process 5353 attached [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 5354 attached [pid 5353] set_robust_list(0x5555563db5e0, 24 [pid 5350] fspick(AT_FDCWD, ".", 0 [pid 5349] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5354 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] set_robust_list(0x5555563db5e0, 24 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5350] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5349] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5354] <... set_robust_list resumed>) = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5355 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5353] <... prctl resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5349] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5352 attached [pid 5354] <... prctl resumed>) = 0 [pid 5353] setpgid(0, 0 [pid 5350] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] exit_group(0 [pid 5354] setpgid(0, 0 [pid 5353] <... setpgid resumed>) = 0 [pid 5352] set_robust_list(0x7fc4ee1839e0, 24 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... futex resumed>) = ? [pid 5348] <... futex resumed>) = 0 [pid 5345] <... exit_group resumed>) = ? [pid 5354] <... setpgid resumed>) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5352] <... set_robust_list resumed>) = 0 [pid 5350] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5349] +++ exited with 0 +++ [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] +++ exited with 0 +++ ./strace-static-x86_64: Process 5355 attached [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5353] <... openat resumed>) = 3 [pid 5352] memfd_create("syzkaller", 0 [pid 5350] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5355] set_robust_list(0x5555563db5e0, 24 [pid 5354] <... openat resumed>) = 3 [pid 5353] write(3, "1000", 4 [pid 5352] <... memfd_create resumed>) = 3 [pid 5350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] write(3, "1000", 4 [pid 5353] <... write resumed>) = 4 [pid 5352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5350] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] <... write resumed>) = 4 [pid 5353] close(3 [pid 5352] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5350] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5355] <... prctl resumed>) = 0 [pid 5354] close(3 [pid 5353] <... close resumed>) = 0 [pid 5352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5355] setpgid(0, 0 [pid 5354] <... close resumed>) = 0 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... write resumed>) = 262144 [pid 5350] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5355] <... setpgid resumed>) = 0 [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5350] <... openat resumed>) = 3 [pid 4999] <... ioctl resumed>) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] <... futex resumed>) = 0 [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5352] munmap(0x7fc4e5d63000, 262144 [pid 5350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5355] <... openat resumed>) = 3 [pid 5354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5353] <... mmap resumed>) = 0x7fc4ee163000 [pid 5352] <... munmap resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5355] write(3, "1000", 4 [pid 5354] <... mmap resumed>) = 0x7fc4ee163000 [pid 5353] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5352] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5350] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5355] <... write resumed>) = 4 [pid 5354] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5353] <... mprotect resumed>) = 0 [pid 5352] <... openat resumed>) = 4 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... futex resumed>) = 0 [pid 5355] close(3 [pid 5354] <... mprotect resumed>) = 0 [pid 5352] ioctl(4, LOOP_SET_FD, 3 [pid 5353] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5350] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5348] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5356 [pid 5355] <... close resumed>) = 0 [pid 5354] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5352] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5350] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... clone resumed>, parent_tid=[5357], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5357 [pid 5352] ioctl(4, LOOP_CLR_FD [pid 5350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... futex resumed>) = 0 [pid 5354] <... clone resumed>, parent_tid=[5358], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5358 [pid 5353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... ioctl resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5350] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] exit_group(0./strace-static-x86_64: Process 5356 attached [pid 5355] <... mmap resumed>) = 0x7fc4ee163000 [pid 5354] <... futex resumed>) = 0 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5350] <... futex resumed>) = ? [pid 5348] <... exit_group resumed>) = ? [pid 5355] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5350] +++ exited with 0 +++ [pid 5352] ioctl(4, LOOP_SET_FD, 3 [pid 5348] +++ exited with 0 +++ [pid 5356] set_robust_list(0x5555563db5e0, 24 [pid 5355] <... mprotect resumed>) = 0 [pid 5352] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5352] close(4 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] <... close resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5358 attached [pid 5356] <... prctl resumed>) = 0 [pid 5355] <... clone resumed>, parent_tid=[5359], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5359 [pid 5352] close(3 [pid 5358] set_robust_list(0x7fc4ee1839e0, 24 [pid 5356] setpgid(0, 0 [pid 5355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... close resumed>) = 0 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5356] <... setpgid resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5358] memfd_create("syzkaller", 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5352] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5359 attached ./strace-static-x86_64: Process 5357 attached [pid 5358] <... memfd_create resumed>) = 3 [pid 5356] <... openat resumed>) = 3 [pid 5352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5359] set_robust_list(0x7fc4ee1839e0, 24 [pid 5358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5357] set_robust_list(0x7fc4ee1839e0, 24 [pid 5356] write(3, "1000", 4 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] <... write resumed>) = 4 [pid 5352] fspick(AT_FDCWD, ".", 0 [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5359] memfd_create("syzkaller", 0 [pid 5358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5357] memfd_create("syzkaller", 0 [pid 5356] close(3 [pid 5352] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5359] <... memfd_create resumed>) = 3 [pid 5358] <... write resumed>) = 262144 [pid 5357] <... memfd_create resumed>) = 3 [pid 5356] <... close resumed>) = 0 [pid 5352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5358] munmap(0x7fc4e5d63000, 262144 [pid 5357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5359] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5358] <... munmap resumed>) = 0 [pid 5357] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5356] <... futex resumed>) = 0 [pid 5352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5360 [pid 5359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5358] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5360 attached [pid 5359] <... write resumed>) = 262144 [pid 5358] <... openat resumed>) = 4 [pid 5357] <... write resumed>) = 262144 [pid 5356] <... mmap resumed>) = 0x7fc4ee163000 [pid 5352] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] munmap(0x7fc4e5d63000, 262144 [pid 5358] ioctl(4, LOOP_SET_FD, 3 [pid 5357] munmap(0x7fc4e5d63000, 262144 [pid 5356] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5352] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5360] set_robust_list(0x5555563db5e0, 24 [pid 5359] <... munmap resumed>) = 0 [pid 5358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5357] <... munmap resumed>) = 0 [pid 5356] <... mprotect resumed>) = 0 [pid 5352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5359] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5358] ioctl(4, LOOP_CLR_FD [pid 5357] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5356] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5352] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] <... openat resumed>) = 4 [pid 5358] <... ioctl resumed>) = 0 [pid 5357] <... openat resumed>) = 4 [pid 5352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... prctl resumed>) = 0 [pid 5359] ioctl(4, LOOP_SET_FD, 3 [pid 5357] ioctl(4, LOOP_SET_FD, 3 [pid 5356] <... clone resumed>, parent_tid=[5361], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5361 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 [pid 5360] setpgid(0, 0 [pid 5359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5357] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... setpgid resumed>) = 0 [pid 5359] ioctl(4, LOOP_CLR_FD [pid 5357] ioctl(4, LOOP_CLR_FD [pid 5356] <... futex resumed>) = 0 [pid 5352] <... openat resumed>) = 3 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] <... ioctl resumed>) = 0 [pid 5358] ioctl(4, LOOP_SET_FD, 3 [pid 5357] <... ioctl resumed>) = 0 [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5361 attached [pid 5360] <... openat resumed>) = 3 [pid 5358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5352] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5361] set_robust_list(0x7fc4ee1839e0, 24 [pid 5360] write(3, "1000", 4 [pid 5358] close(4 [pid 5352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5360] <... write resumed>) = 4 [pid 5358] <... close resumed>) = 0 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] <... futex resumed>) = 0 [pid 5361] memfd_create("syzkaller", 0 [pid 5360] close(3 [pid 5359] ioctl(4, LOOP_SET_FD, 3 [pid 5358] close(3 [pid 5357] ioctl(4, LOOP_SET_FD, 3 [pid 5352] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5351] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... memfd_create resumed>) = 3 [pid 5360] <... close resumed>) = 0 [pid 5359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5358] <... close resumed>) = 0 [pid 5357] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5352] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] close(4 [pid 5358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] close(4 [pid 5352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... close resumed>) = 0 [pid 5358] <... futex resumed>) = 1 [pid 5357] <... close resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5352] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] close(3 [pid 5352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] exit_group(0 [pid 5361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5359] close(3 [pid 5357] <... close resumed>) = 0 [pid 5354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... futex resumed>) = ? [pid 5351] <... exit_group resumed>) = ? [pid 5361] <... write resumed>) = 262144 [pid 5357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] +++ exited with 0 +++ [pid 5361] munmap(0x7fc4e5d63000, 262144 [pid 5360] <... mmap resumed>) = 0x7fc4ee163000 [pid 5359] <... close resumed>) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 1 [pid 5353] <... futex resumed>) = 0 [pid 5351] +++ exited with 0 +++ [pid 5361] <... munmap resumed>) = 0 [pid 5360] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] fspick(AT_FDCWD, ".", 0 [pid 5357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5360] <... mprotect resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5361] <... openat resumed>) = 4 [pid 5360] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] fspick(AT_FDCWD, ".", 0 [pid 5355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5361] ioctl(4, LOOP_SET_FD, 3 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = 1 [pid 5357] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5361] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5360] <... clone resumed>, parent_tid=[5362], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5362 [pid 5359] fspick(AT_FDCWD, ".", 0 [pid 5358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5361] ioctl(4, LOOP_CLR_FD [pid 5360] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5361] <... ioctl resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5359] <... futex resumed>) = 1 [pid 5358] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = 1 [pid 5357] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5363 attached [pid 5361] ioctl(4, LOOP_SET_FD, 3 [pid 5359] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5363 [pid 5363] set_robust_list(0x5555563db5e0, 24 [pid 5361] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5359] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5362 attached [pid 5363] <... set_robust_list resumed>) = 0 [pid 5361] close(4 [pid 5359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] set_robust_list(0x7fc4ee1839e0, 24 [pid 5361] <... close resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... openat resumed>) = 3 [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5363] <... prctl resumed>) = 0 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] close(3 [pid 5359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] setpgid(0, 0 [pid 5362] memfd_create("syzkaller", 0 [pid 5361] <... close resumed>) = 0 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = 1 [pid 5357] <... openat resumed>) = 3 [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5363] <... setpgid resumed>) = 0 [pid 5362] <... memfd_create resumed>) = 3 [pid 5361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5361] <... futex resumed>) = 1 [pid 5359] <... openat resumed>) = 3 [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] <... futex resumed>) = 1 [pid 5356] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5363] <... openat resumed>) = 3 [pid 5362] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5361] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] write(3, "1000", 4 [pid 5362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] <... futex resumed>) = 1 [pid 5358] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5363] <... write resumed>) = 4 [pid 5362] <... write resumed>) = 262144 [pid 5361] fspick(AT_FDCWD, ".", 0 [pid 5359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] close(3 [pid 5362] munmap(0x7fc4e5d63000, 262144 [pid 5361] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = 1 [pid 5357] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5355] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5363] <... close resumed>) = 0 [pid 5362] <... munmap resumed>) = 0 [pid 5361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] exit_group(0 [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5361] <... futex resumed>) = 1 [pid 5359] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5358] <... futex resumed>) = ? [pid 5357] <... futex resumed>) = 1 [pid 5356] <... futex resumed>) = 0 [pid 5354] <... exit_group resumed>) = ? [pid 5353] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] <... openat resumed>) = 4 [pid 5361] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] +++ exited with 0 +++ [pid 5357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] +++ exited with 0 +++ [pid 5353] exit_group(0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] ioctl(4, LOOP_SET_FD, 3 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] <... futex resumed>) = 1 [pid 5357] <... futex resumed>) = ? [pid 5356] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5353] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5363] <... mmap resumed>) = 0x7fc4ee163000 [pid 5362] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5361] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] +++ exited with 0 +++ [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] exit_group(0 [pid 5362] ioctl(4, LOOP_CLR_FD [pid 5353] +++ exited with 0 +++ [pid 5363] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5361] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5355] <... exit_group resumed>) = ? [pid 5359] <... futex resumed>) = ? [pid 5363] <... mprotect resumed>) = 0 [pid 5362] <... ioctl resumed>) = 0 [pid 5361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5361] <... futex resumed>) = 1 [pid 5359] +++ exited with 0 +++ [pid 5356] <... futex resumed>) = 0 [pid 5355] +++ exited with 0 +++ [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5361] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] <... clone resumed>, parent_tid=[5364], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5364 [pid 5362] ioctl(4, LOOP_SET_FD, 3 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5363] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5361] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] close(4 [pid 5361] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] close(3 [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5362] <... close resumed>) = 0 [pid 5361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 ./strace-static-x86_64: Process 5364 attached [pid 5362] close(3 [pid 5361] <... futex resumed>) = 1 [pid 5356] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5365 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5364] set_robust_list(0x7fc4ee1839e0, 24 [pid 5362] <... close resumed>) = 0 [pid 5361] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5366 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5364] memfd_create("syzkaller", 0 [pid 5362] <... futex resumed>) = 1 [pid 5361] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5360] <... futex resumed>) = 0 [pid 5356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5364] <... memfd_create resumed>) = 3 [pid 5362] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5360] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3./strace-static-x86_64: Process 5366 attached [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5366] set_robust_list(0x5555563db5e0, 24 [pid 5364] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5362] fspick(AT_FDCWD, ".", 0 [pid 5361] <... futex resumed>) = 1 [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5362] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5366] <... set_robust_list resumed>) = 0 [pid 5364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] exit_group(0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5367 ./strace-static-x86_64: Process 5365 attached [pid 5362] <... futex resumed>) = 0 [pid 5365] set_robust_list(0x5555563db5e0, 24 [pid 5362] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] <... write resumed>) = 262144 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = ? [pid 5360] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... exit_group resumed>) = ? [pid 5366] <... prctl resumed>) = 0 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] munmap(0x7fc4e5d63000, 262144 [pid 5362] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5361] +++ exited with 0 +++ [pid 5360] <... futex resumed>) = 0 [pid 5365] <... prctl resumed>) = 0 [pid 5362] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5365] setpgid(0, 0 [pid 5362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] +++ exited with 0 +++ [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] setpgid(0, 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5364] <... munmap resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... setpgid resumed>) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5362] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] <... openat resumed>) = 3 [pid 5364] <... openat resumed>) = 4 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5367 attached [pid 5366] <... openat resumed>) = 3 [pid 5365] write(3, "1000", 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3 [pid 5362] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5367] set_robust_list(0x5555563db5e0, 24 [pid 5366] write(3, "1000", 4 [pid 5365] <... write resumed>) = 4 [pid 5364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5362] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] <... write resumed>) = 4 [pid 5365] close(3 [pid 5364] ioctl(4, LOOP_CLR_FD [pid 5362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] close(3 [pid 5365] <... close resumed>) = 0 [pid 5364] <... ioctl resumed>) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5360] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5367] <... prctl resumed>) = 0 [pid 5366] <... close resumed>) = 0 [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5367] setpgid(0, 0 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5367] <... setpgid resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] ioctl(4, LOOP_SET_FD, 3 [pid 5362] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5360] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] <... mmap resumed>) = 0x7fc4ee163000 [pid 5364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5362] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5368 [pid 5367] <... openat resumed>) = 3 [pid 5366] <... mmap resumed>) = 0x7fc4ee163000 [pid 5365] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5364] close(4 [pid 5362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] write(3, "1000", 4 [pid 5366] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5365] <... mprotect resumed>) = 0 [pid 5364] <... close resumed>) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5367] <... write resumed>) = 4 [pid 5366] <... mprotect resumed>) = 0 [pid 5365] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5364] close(3 [pid 5362] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] exit_group(0 [pid 5367] close(3 [pid 5366] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5367] <... close resumed>) = 0 [pid 5365] <... clone resumed>, parent_tid=[5369], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5369 [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... close resumed>) = 0 [pid 5362] <... futex resumed>) = ? [pid 5360] <... exit_group resumed>) = ? [pid 5367] <... futex resumed>) = 0 [pid 5366] <... clone resumed>, parent_tid=[5370], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5370 [pid 5365] <... futex resumed>) = 0 [pid 5364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] +++ exited with 0 +++ [pid 5367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5360] +++ exited with 0 +++ [pid 5367] <... mmap resumed>) = 0x7fc4ee163000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5367] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5367] <... mprotect resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5367] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5371], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5371 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5367] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5364] fspick(AT_FDCWD, ".", 0 [pid 5363] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5372 ./strace-static-x86_64: Process 5371 attached [pid 5371] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5364] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5363] <... futex resumed>) = 0 [pid 5364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5363] <... futex resumed>) = 0 [pid 5364] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5371] memfd_create("syzkaller", 0 [pid 5364] <... futex resumed>) = 0 [pid 5363] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5363] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5372 attached [pid 5371] <... memfd_create resumed>) = 3 [pid 5364] <... openat resumed>) = 3 [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] set_robust_list(0x5555563db5e0, 24 [pid 5371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5368 attached [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5364] <... futex resumed>) = 0 [pid 5363] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5370 attached [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5368] set_robust_list(0x5555563db5e0, 24 [pid 5364] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5363] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5369 attached [pid 5372] <... prctl resumed>) = 0 [pid 5370] set_robust_list(0x7fc4ee1839e0, 24 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5364] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5363] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] write(3, "1000", 4 [pid 5364] <... futex resumed>) = 0 [pid 5363] exit_group(0 [pid 5372] <... write resumed>) = 4 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5363] <... exit_group resumed>) = ? [pid 5372] close(3 [pid 5371] <... write resumed>) = 262144 [pid 5364] +++ exited with 0 +++ [pid 5372] <... close resumed>) = 0 [pid 5368] <... prctl resumed>) = 0 [pid 5363] +++ exited with 0 +++ [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] munmap(0x7fc4e5d63000, 262144 [pid 5370] memfd_create("syzkaller", 0 [pid 5369] set_robust_list(0x7fc4ee1839e0, 24 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5372] <... futex resumed>) = 0 [pid 5370] <... memfd_create resumed>) = 3 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] setpgid(0, 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5371] <... munmap resumed>) = 0 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5369] memfd_create("syzkaller", 0 [pid 5368] <... setpgid resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5372] <... mmap resumed>) = 0x7fc4ee163000 [pid 5371] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5370] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5369] <... memfd_create resumed>) = 3 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5371] <... openat resumed>) = 4 [pid 5370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5368] <... openat resumed>) = 3 [pid 5372] <... mprotect resumed>) = 0 [pid 5371] ioctl(4, LOOP_SET_FD, 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5372] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... openat resumed>) = 3 [pid 5371] ioctl(4, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5372] <... clone resumed>, parent_tid=[5373], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5373 [pid 5371] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5372] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5372] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5369] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5368] write(3, "1000", 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5370] <... write resumed>) = 262144 [pid 5368] <... write resumed>) = 4 [pid 5371] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5374 [pid 5371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] close(4 [pid 5370] munmap(0x7fc4e5d63000, 262144 [pid 5369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5368] close(3 [pid 5371] <... close resumed>) = 0 [pid 5368] <... close resumed>) = 0 [pid 5371] close(3 [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... close resumed>) = 0 [pid 5370] <... munmap resumed>) = 0 [pid 5369] <... write resumed>) = 262144 [pid 5368] <... futex resumed>) = 0 [pid 5371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5373 attached [pid 5371] <... futex resumed>) = 1 [pid 5368] <... mmap resumed>) = 0x7fc4ee163000 [pid 5367] <... futex resumed>) = 0 [pid 5373] set_robust_list(0x7fc4ee1839e0, 24 [pid 5371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5369] munmap(0x7fc4e5d63000, 262144 [pid 5368] <... mprotect resumed>) = 0 [pid 5367] <... futex resumed>) = 0 [pid 5373] memfd_create("syzkaller", 0 [pid 5371] fspick(AT_FDCWD, ".", 0 [pid 5368] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... memfd_create resumed>) = 3 [pid 5371] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5370] <... openat resumed>) = 4 [pid 5369] <... munmap resumed>) = 0 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] ioctl(4, LOOP_SET_FD, 3 [pid 5369] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5368] <... clone resumed>, parent_tid=[5375], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5375 [pid 5373] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5371] <... futex resumed>) = 1 [pid 5368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... futex resumed>) = 0 [pid 5373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... futex resumed>) = 0 [pid 5367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... write resumed>) = 262144 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5369] <... openat resumed>) = 4 [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5367] <... futex resumed>) = 0 [pid 5371] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5374 attached [pid 5371] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5370] ioctl(4, LOOP_CLR_FD [pid 5369] ioctl(4, LOOP_SET_FD, 3 [pid 5371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5367] <... futex resumed>) = 0 [pid 5373] munmap(0x7fc4e5d63000, 262144 [pid 5371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... munmap resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5367] <... futex resumed>) = 0 [pid 5374] set_robust_list(0x5555563db5e0, 24 [pid 5373] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5371] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5370] <... ioctl resumed>) = 0 [pid 5369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5373] <... openat resumed>) = 4 [pid 5371] <... openat resumed>) = 3 [pid 5369] ioctl(4, LOOP_CLR_FD [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] ioctl(4, LOOP_SET_FD, 3 [pid 5371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] <... futex resumed>) = 1 [pid 5369] <... ioctl resumed>) = 0 [pid 5367] <... futex resumed>) = 0 [pid 5373] ioctl(4, LOOP_CLR_FD [pid 5371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] ioctl(4, LOOP_SET_FD, 3 [pid 5367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] <... ioctl resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5367] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5375 attached [pid 5374] <... prctl resumed>) = 0 [pid 5371] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5370] close(4 [pid 5367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] set_robust_list(0x7fc4ee1839e0, 24 [pid 5374] setpgid(0, 0 [pid 5371] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5370] <... close resumed>) = 0 [pid 5369] ioctl(4, LOOP_SET_FD, 3 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] <... setpgid resumed>) = 0 [pid 5371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] close(3 [pid 5369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5375] memfd_create("syzkaller", 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] ioctl(4, LOOP_SET_FD, 3 [pid 5371] <... futex resumed>) = 1 [pid 5370] <... close resumed>) = 0 [pid 5369] close(4 [pid 5367] <... futex resumed>) = 0 [pid 5375] <... memfd_create resumed>) = 3 [pid 5374] <... openat resumed>) = 3 [pid 5373] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... close resumed>) = 0 [pid 5367] exit_group(0 [pid 5375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5374] write(3, "1000", 4 [pid 5373] close(4 [pid 5371] <... futex resumed>) = ? [pid 5370] <... futex resumed>) = 1 [pid 5369] close(3 [pid 5367] <... exit_group resumed>) = ? [pid 5366] <... futex resumed>) = 0 [pid 5375] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5374] <... write resumed>) = 4 [pid 5373] <... close resumed>) = 0 [pid 5371] +++ exited with 0 +++ [pid 5370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... close resumed>) = 0 [pid 5367] +++ exited with 0 +++ [pid 5366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] close(3 [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5374] close(3 [pid 5373] <... close resumed>) = 0 [pid 5370] fspick(AT_FDCWD, ".", 0 [pid 5369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5374] <... close resumed>) = 0 [pid 5373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5369] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5375] <... write resumed>) = 262144 [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] munmap(0x7fc4e5d63000, 262144 [pid 5374] <... futex resumed>) = 0 [pid 5373] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5375] <... munmap resumed>) = 0 [pid 5374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] fspick(AT_FDCWD, ".", 0 [pid 5366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5375] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5374] <... mmap resumed>) = 0x7fc4ee163000 [pid 5373] fspick(AT_FDCWD, ".", 0 [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5366] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5375] <... openat resumed>) = 4 [pid 5374] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5373] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5370] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5375] ioctl(4, LOOP_SET_FD, 3 [pid 5374] <... mprotect resumed>) = 0 [pid 5373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5369] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5374] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5375] ioctl(4, LOOP_CLR_FD [pid 5373] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5365] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5375] <... ioctl resumed>) = 0 [pid 5374] <... clone resumed>, parent_tid=[5376], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5376 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5376 attached [pid 5374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5366] <... futex resumed>) = 0 [pid 5376] set_robust_list(0x7fc4ee1839e0, 24 [pid 5374] <... futex resumed>) = 0 [pid 5373] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5370] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5377 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... openat resumed>) = 3 [pid 5369] <... futex resumed>) = 1 [pid 5376] memfd_create("syzkaller", 0 [pid 5375] ioctl(4, LOOP_SET_FD, 3 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] <... futex resumed>) = 0 [pid 5376] <... memfd_create resumed>) = 3 [pid 5375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5373] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5375] close(4 [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... futex resumed>) = 0 [pid 5366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5377 attached [pid 5376] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5375] <... close resumed>) = 0 [pid 5373] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5366] <... futex resumed>) = 0 [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] set_robust_list(0x5555563db5e0, 24 [pid 5376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5375] close(3 [pid 5373] <... openat resumed>) = 3 [pid 5370] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5369] <... openat resumed>) = 3 [pid 5366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... set_robust_list resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5377] <... prctl resumed>) = 0 [pid 5376] <... write resumed>) = 262144 [pid 5375] <... futex resumed>) = 1 [pid 5373] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... futex resumed>) = 1 [pid 5369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 0 [pid 5365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] setpgid(0, 0 [pid 5376] munmap(0x7fc4e5d63000, 262144 [pid 5375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... futex resumed>) = 0 [pid 5370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] exit_group(0 [pid 5365] <... futex resumed>) = 0 [pid 5377] <... setpgid resumed>) = 0 [pid 5376] <... munmap resumed>) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5372] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] <... futex resumed>) = ? [pid 5369] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5368] <... futex resumed>) = 0 [pid 5366] <... exit_group resumed>) = ? [pid 5365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5376] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5375] fspick(AT_FDCWD, ".", 0 [pid 5373] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5370] +++ exited with 0 +++ [pid 5369] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5366] +++ exited with 0 +++ [pid 5377] <... openat resumed>) = 3 [pid 5376] <... openat resumed>) = 4 [pid 5375] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] write(3, "1000", 4 [pid 5376] ioctl(4, LOOP_SET_FD, 3 [pid 5375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5377] <... write resumed>) = 4 [pid 5376] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5375] <... futex resumed>) = 1 [pid 5373] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] exit_group(0 [pid 5369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... futex resumed>) = 0 [pid 5365] exit_group(0 [pid 5377] close(3 [pid 5376] ioctl(4, LOOP_CLR_FD [pid 5375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5369] <... futex resumed>) = ? [pid 5368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... exit_group resumed>) = ? [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5377] <... close resumed>) = 0 [pid 5376] <... ioctl resumed>) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] +++ exited with 0 +++ [pid 5372] +++ exited with 0 +++ [pid 5369] +++ exited with 0 +++ [pid 5368] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] +++ exited with 0 +++ [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] <... futex resumed>) = 0 [pid 5375] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... ioctl resumed>) = 0 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5376] ioctl(4, LOOP_SET_FD, 3 [pid 5375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5377] <... mmap resumed>) = 0x7fc4ee163000 [pid 5376] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5375] <... futex resumed>) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5377] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5376] close(4 [pid 5375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 5377] <... mprotect resumed>) = 0 [pid 5376] <... close resumed>) = 0 [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5377] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5376] close(3 [pid 5375] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5378 [pid 5001] <... ioctl resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5377] <... clone resumed>, parent_tid=[5379], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5379 [pid 5376] <... close resumed>) = 0 [pid 5375] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = 1 [pid 5375] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5380 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... futex resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5376] fspick(AT_FDCWD, ".", 0 [pid 5375] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5375] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5381 ./strace-static-x86_64: Process 5379 attached ./strace-static-x86_64: Process 5378 attached [pid 5376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] set_robust_list(0x7fc4ee1839e0, 24 [pid 5378] set_robust_list(0x5555563db5e0, 24 [pid 5376] <... futex resumed>) = 1 [pid 5375] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5368] <... futex resumed>) = 0 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] exit_group(0 [pid 5379] memfd_create("syzkaller", 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] <... futex resumed>) = ? [pid 5374] <... futex resumed>) = 0 [pid 5368] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5380 attached [pid 5379] <... memfd_create resumed>) = 3 [pid 5376] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5375] +++ exited with 0 +++ [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5380] set_robust_list(0x5555563db5e0, 24 [pid 5379] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5378] <... prctl resumed>) = 0 [pid 5376] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5368] +++ exited with 0 +++ [pid 5380] <... set_robust_list resumed>) = 0 [pid 5378] setpgid(0, 0 [pid 5376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... setpgid resumed>) = 0 [pid 5376] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5381 attached [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5376] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... restart_syscall resumed>) = 0 [pid 5381] set_robust_list(0x5555563db5e0, 24 [pid 5380] <... prctl resumed>) = 0 [pid 5378] <... openat resumed>) = 3 [pid 5376] <... openat resumed>) = 3 [pid 5380] setpgid(0, 0 [pid 5378] write(3, "1000", 4 [pid 5376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... setpgid resumed>) = 0 [pid 5378] <... write resumed>) = 4 [pid 5376] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] close(3 [pid 5376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5378] <... close resumed>) = 0 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5380] <... openat resumed>) = 3 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 5380] write(3, "1000", 4 [pid 5378] <... futex resumed>) = 0 [pid 5376] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] close(3 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] <... write resumed>) = 4 [pid 5379] <... write resumed>) = 262144 [pid 5378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] close(3 [pid 5379] munmap(0x7fc4e5d63000, 262144 [pid 5378] <... mmap resumed>) = 0x7fc4ee163000 [pid 5376] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5381] <... prctl resumed>) = 0 [pid 5380] <... close resumed>) = 0 [pid 5379] <... munmap resumed>) = 0 [pid 5378] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] exit_group(0 [pid 5381] setpgid(0, 0 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5378] <... mprotect resumed>) = 0 [pid 5376] <... futex resumed>) = ? [pid 5374] <... exit_group resumed>) = ? [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5382 [pid 5381] <... setpgid resumed>) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5379] <... openat resumed>) = 4 [pid 5378] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5376] +++ exited with 0 +++ [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5379] ioctl(4, LOOP_SET_FD, 3 [pid 5374] +++ exited with 0 +++ [pid 5381] <... openat resumed>) = 3 [pid 5380] <... mmap resumed>) = 0x7fc4ee163000 [pid 5379] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5381] write(3, "1000", 4 [pid 5380] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5379] ioctl(4, LOOP_CLR_FD [pid 5378] <... clone resumed>, parent_tid=[5383], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5383 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5381] <... write resumed>) = 4 [pid 5380] <... mprotect resumed>) = 0 [pid 5379] <... ioctl resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5381] close(3 [pid 5380] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5378] <... futex resumed>) = 0 [pid 5381] <... close resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... clone resumed>, parent_tid=[5384], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5384 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5382 attached [pid 5381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5380] <... futex resumed>) = 0 [pid 5379] ioctl(4, LOOP_SET_FD, 3 [pid 5002] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5383 attached [pid 5382] set_robust_list(0x5555563db5e0, 24 [pid 5381] <... mmap resumed>) = 0x7fc4ee163000 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5379] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5384 attached [pid 5383] set_robust_list(0x7fc4ee1839e0, 24 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5381] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5379] close(4 [pid 5002] close(3 [pid 5381] <... mprotect resumed>) = 0 [pid 5379] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5381] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5379] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5379] <... close resumed>) = 0 [pid 5381] <... clone resumed>, parent_tid=[5385], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5385 [pid 5379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5386 [pid 5381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5381] <... futex resumed>) = 0 [pid 5379] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] <... futex resumed>) = 0 [pid 5379] fspick(AT_FDCWD, ".", 0 [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5379] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] <... futex resumed>) = 0 [pid 5379] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] set_robust_list(0x7fc4ee1839e0, 24 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] memfd_create("syzkaller", 0 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5382] <... prctl resumed>) = 0 [pid 5379] <... futex resumed>) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5383] <... memfd_create resumed>) = 3 [pid 5379] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5386 attached ./strace-static-x86_64: Process 5385 attached [pid 5384] memfd_create("syzkaller", 0 [pid 5383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5382] setpgid(0, 0 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] <... futex resumed>) = 0 [pid 5386] set_robust_list(0x5555563db5e0, 24 [pid 5385] set_robust_list(0x7fc4ee1839e0, 24 [pid 5384] <... memfd_create resumed>) = 3 [pid 5383] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5382] <... setpgid resumed>) = 0 [pid 5379] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] <... set_robust_list resumed>) = 0 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5379] <... openat resumed>) = 3 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5385] memfd_create("syzkaller", 0 [pid 5379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... prctl resumed>) = 0 [pid 5385] <... memfd_create resumed>) = 3 [pid 5379] <... futex resumed>) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5379] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] <... futex resumed>) = 0 [pid 5386] setpgid(0, 0 [pid 5385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5379] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5386] <... setpgid resumed>) = 0 [pid 5385] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5384] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5382] <... openat resumed>) = 3 [pid 5379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5382] write(3, "1000", 4 [pid 5379] <... futex resumed>) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5386] <... openat resumed>) = 3 [pid 5385] <... write resumed>) = 262144 [pid 5384] <... write resumed>) = 262144 [pid 5383] <... write resumed>) = 262144 [pid 5382] <... write resumed>) = 4 [pid 5379] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] exit_group(0 [pid 5386] write(3, "1000", 4 [pid 5385] munmap(0x7fc4e5d63000, 262144 [pid 5384] munmap(0x7fc4e5d63000, 262144 [pid 5383] munmap(0x7fc4e5d63000, 262144 [pid 5382] close(3 [pid 5379] <... futex resumed>) = ? [pid 5377] <... exit_group resumed>) = ? [pid 5386] <... write resumed>) = 4 [pid 5385] <... munmap resumed>) = 0 [pid 5384] <... munmap resumed>) = 0 [pid 5383] <... munmap resumed>) = 0 [pid 5382] <... close resumed>) = 0 [pid 5379] +++ exited with 0 +++ [pid 5377] +++ exited with 0 +++ [pid 5386] close(3 [pid 5385] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5384] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5383] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5386] <... close resumed>) = 0 [pid 5385] <... openat resumed>) = 4 [pid 5384] <... openat resumed>) = 4 [pid 5383] <... openat resumed>) = 4 [pid 5382] <... futex resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] ioctl(4, LOOP_SET_FD, 3 [pid 5384] ioctl(4, LOOP_SET_FD, 3 [pid 5383] ioctl(4, LOOP_SET_FD, 3 [pid 5382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5382] <... mmap resumed>) = 0x7fc4ee163000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] ioctl(4, LOOP_CLR_FD [pid 5384] ioctl(4, LOOP_CLR_FD [pid 5383] ioctl(4, LOOP_CLR_FD [pid 5382] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... openat resumed>) = 3 [pid 5386] <... mmap resumed>) = 0x7fc4ee163000 [pid 5385] <... ioctl resumed>) = 0 [pid 5384] <... ioctl resumed>) = 0 [pid 5383] <... ioctl resumed>) = 0 [pid 5382] <... mprotect resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5386] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5382] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... ioctl resumed>) = 0 [pid 5386] <... mprotect resumed>) = 0 [pid 5000] close(3 [pid 5386] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5385] ioctl(4, LOOP_SET_FD, 3 [pid 5382] <... clone resumed>, parent_tid=[5387], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5387 [pid 5000] <... close resumed>) = 0 [pid 5385] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5384] ioctl(4, LOOP_SET_FD, 3 [pid 5383] ioctl(4, LOOP_SET_FD, 3 [pid 5382] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] <... clone resumed>, parent_tid=[5388], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5388 [pid 5385] close(4 [pid 5384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5382] <... futex resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... close resumed>) = 0 [pid 5384] close(4 [pid 5383] close(4 [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5389 [pid 5386] <... futex resumed>) = 0 [pid 5385] close(3 [pid 5384] <... close resumed>) = 0 [pid 5383] <... close resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5385] <... close resumed>) = 0 [pid 5384] close(3 [pid 5383] close(3 [pid 5385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5381] <... futex resumed>) = 0 [pid 5385] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... close resumed>) = 0 [pid 5381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... close resumed>) = 0 [pid 5381] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5388 attached ./strace-static-x86_64: Process 5387 attached [pid 5385] fspick(AT_FDCWD, ".", 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5389 attached [pid 5388] set_robust_list(0x7fc4ee1839e0, 24 [pid 5387] set_robust_list(0x7fc4ee1839e0, 24 [pid 5385] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = 1 [pid 5380] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5389] set_robust_list(0x5555563db5e0, 24 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] memfd_create("syzkaller", 0 [pid 5387] memfd_create("syzkaller", 0 [pid 5385] <... futex resumed>) = 1 [pid 5384] fspick(AT_FDCWD, ".", 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] <... memfd_create resumed>) = 3 [pid 5387] <... memfd_create resumed>) = 3 [pid 5385] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5383] fspick(AT_FDCWD, ".", 0 [pid 5381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] <... prctl resumed>) = 0 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5381] <... futex resumed>) = 0 [pid 5389] setpgid(0, 0 [pid 5388] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5387] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5385] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 [pid 5389] <... setpgid resumed>) = 0 [pid 5388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5385] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = 1 [pid 5380] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... write resumed>) = 262144 [pid 5387] <... write resumed>) = 262144 [pid 5385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... openat resumed>) = 3 [pid 5388] munmap(0x7fc4e5d63000, 262144 [pid 5387] munmap(0x7fc4e5d63000, 262144 [pid 5385] <... futex resumed>) = 1 [pid 5384] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5389] write(3, "1000", 4 [pid 5388] <... munmap resumed>) = 0 [pid 5387] <... munmap resumed>) = 0 [pid 5385] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5383] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] <... write resumed>) = 4 [pid 5388] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5387] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5381] <... futex resumed>) = 0 [pid 5389] close(3 [pid 5388] <... openat resumed>) = 4 [pid 5387] <... openat resumed>) = 4 [pid 5385] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 [pid 5389] <... close resumed>) = 0 [pid 5388] ioctl(4, LOOP_SET_FD, 3 [pid 5387] ioctl(4, LOOP_SET_FD, 3 [pid 5385] <... openat resumed>) = 3 [pid 5384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = 1 [pid 5380] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5387] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5388] ioctl(4, LOOP_CLR_FD [pid 5387] ioctl(4, LOOP_CLR_FD [pid 5385] <... futex resumed>) = 1 [pid 5384] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] <... ioctl resumed>) = 0 [pid 5387] <... ioctl resumed>) = 0 [pid 5385] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... openat resumed>) = 3 [pid 5383] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] <... mmap resumed>) = 0x7fc4ee163000 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... openat resumed>) = 3 [pid 5381] <... futex resumed>) = 0 [pid 5389] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5385] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 [pid 5389] <... mprotect resumed>) = 0 [pid 5388] ioctl(4, LOOP_SET_FD, 3 [pid 5385] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = 1 [pid 5380] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5389] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5388] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5387] ioctl(4, LOOP_SET_FD, 3 [pid 5385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] close(4 [pid 5387] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5385] <... futex resumed>) = 1 [pid 5384] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5389] <... clone resumed>, parent_tid=[5390], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5390 [pid 5388] <... close resumed>) = 0 [pid 5387] close(4 [pid 5385] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5383] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5381] exit_group(0 [pid 5378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] close(3 [pid 5387] <... close resumed>) = 0 [pid 5385] <... futex resumed>) = ? [pid 5384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5381] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5390 attached [pid 5389] <... futex resumed>) = 0 [pid 5388] <... close resumed>) = 0 [pid 5387] close(3 [pid 5385] +++ exited with 0 +++ [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] +++ exited with 0 +++ [pid 5380] <... futex resumed>) = 0 [pid 5390] set_robust_list(0x7fc4ee1839e0, 24 [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... close resumed>) = 0 [pid 5384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = 1 [pid 5380] exit_group(0 [pid 5378] <... futex resumed>) = 0 [pid 5388] <... futex resumed>) = 1 [pid 5387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = ? [pid 5383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... exit_group resumed>) = ? [pid 5378] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5390] <... set_robust_list resumed>) = 0 [pid 5388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... futex resumed>) = 1 [pid 5386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] +++ exited with 0 +++ [pid 5383] <... futex resumed>) = ? [pid 5382] <... futex resumed>) = 0 [pid 5378] <... exit_group resumed>) = ? [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5383] +++ exited with 0 +++ [pid 5382] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] +++ exited with 0 +++ [pid 5004] <... restart_syscall resumed>) = 0 [pid 5388] fspick(AT_FDCWD, ".", 0 [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] +++ exited with 0 +++ [pid 5390] memfd_create("syzkaller", 0 [pid 5388] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5387] fspick(AT_FDCWD, ".", 0 [pid 5382] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5390] <... memfd_create resumed>) = 3 [pid 5388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5388] <... futex resumed>) = 1 [pid 5387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5390] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... futex resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5386] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5388] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5387] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5001] close(3 [pid 5390] <... write resumed>) = 262144 [pid 5388] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... close resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 5390] munmap(0x7fc4e5d63000, 262144 [pid 5388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5382] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5390] <... munmap resumed>) = 0 [pid 5388] <... futex resumed>) = 1 [pid 5387] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5386] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5390] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... openat resumed>) = 3 [pid 5386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5391 [pid 5003] <... ioctl resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5392 [pid 5390] <... openat resumed>) = 4 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] close(3 [pid 5390] ioctl(4, LOOP_SET_FD, 3 [pid 5388] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5387] <... futex resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5382] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5390] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5388] <... openat resumed>) = 3 [pid 5387] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5382] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5392 attached [pid 5390] ioctl(4, LOOP_CLR_FD [pid 5388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5382] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] set_robust_list(0x5555563db5e0, 24 [pid 5390] <... ioctl resumed>) = 0 [pid 5388] <... futex resumed>) = 1 [pid 5387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5393 ./strace-static-x86_64: Process 5391 attached [pid 5392] <... set_robust_list resumed>) = 0 [pid 5388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] <... futex resumed>) = 0 [pid 5386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] exit_group(0./strace-static-x86_64: Process 5393 attached [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5391] set_robust_list(0x5555563db5e0, 24 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5382] <... exit_group resumed>) = ? [pid 5393] set_robust_list(0x5555563db5e0, 24 [pid 5392] <... prctl resumed>) = 0 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5390] ioctl(4, LOOP_SET_FD, 3 [pid 5388] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5387] +++ exited with 0 +++ [pid 5382] +++ exited with 0 +++ [pid 5390] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] setpgid(0, 0 [pid 5391] <... prctl resumed>) = 0 [pid 5390] close(4 [pid 5388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5392] <... setpgid resumed>) = 0 [pid 5391] setpgid(0, 0 [pid 5390] <... close resumed>) = 0 [pid 5388] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5393] <... prctl resumed>) = 0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] <... setpgid resumed>) = 0 [pid 5390] close(3 [pid 5388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] exit_group(0 [pid 5393] setpgid(0, 0 [pid 5392] <... openat resumed>) = 3 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... futex resumed>) = ? [pid 5386] <... exit_group resumed>) = ? [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5393] <... setpgid resumed>) = 0 [pid 5392] write(3, "1000", 4 [pid 5391] <... openat resumed>) = 3 [pid 5390] <... close resumed>) = 0 [pid 5388] +++ exited with 0 +++ [pid 5386] +++ exited with 0 +++ [pid 4999] <... openat resumed>) = 3 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5392] <... write resumed>) = 4 [pid 5391] write(3, "1000", 4 [pid 5390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5393] <... openat resumed>) = 3 [pid 5392] close(3 [pid 5391] <... write resumed>) = 4 [pid 5390] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5393] write(3, "1000", 4 [pid 5392] <... close resumed>) = 0 [pid 5391] close(3 [pid 5390] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5393] <... write resumed>) = 4 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... close resumed>) = 0 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5394 [pid 5391] <... mmap resumed>) = 0x7fc4ee163000 [pid 5002] close(3 [pid 5393] close(3 [pid 5392] <... futex resumed>) = 0 [pid 5391] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5390] fspick(AT_FDCWD, ".", 0 [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5393] <... close resumed>) = 0 [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5391] <... mprotect resumed>) = 0 [pid 5390] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... mmap resumed>) = 0x7fc4ee163000 [pid 5391] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5392] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5390] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5395 ./strace-static-x86_64: Process 5396 attached [pid 5393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5392] <... mprotect resumed>) = 0 [pid 5391] <... clone resumed>, parent_tid=[5396], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5396 [pid 5390] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] set_robust_list(0x7fc4ee1839e0, 24 [pid 5393] <... mmap resumed>) = 0x7fc4ee163000 [pid 5392] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5393] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5391] <... futex resumed>) = 0 [pid 5390] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5394 attached [pid 5396] memfd_create("syzkaller", 0 [pid 5393] <... mprotect resumed>) = 0 [pid 5392] <... clone resumed>, parent_tid=[5397], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5397 [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5396] <... memfd_create resumed>) = 3 [pid 5394] set_robust_list(0x5555563db5e0, 24 [pid 5393] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5395 attached [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5397 attached [pid 5396] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5395] set_robust_list(0x5555563db5e0, 24 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5393] <... clone resumed>, parent_tid=[5398], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5398 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5389] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] <... prctl resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... openat resumed>) = 3 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5394] setpgid(0, 0 [pid 5393] <... futex resumed>) = 0 [pid 5390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5395] <... prctl resumed>) = 0 [pid 5394] <... setpgid resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] <... futex resumed>) = 0 [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] set_robust_list(0x7fc4ee1839e0, 24 [pid 5396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5395] setpgid(0, 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5390] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... set_robust_list resumed>) = 0 [pid 5396] <... write resumed>) = 262144 [pid 5395] <... setpgid resumed>) = 0 [pid 5394] <... openat resumed>) = 3 [pid 5389] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] memfd_create("syzkaller", 0 [pid 5396] munmap(0x7fc4e5d63000, 262144 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] write(3, "1000", 4 [pid 5390] <... futex resumed>) = 0 [pid 5389] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5398 attached [pid 5397] <... memfd_create resumed>) = 3 [pid 5396] <... munmap resumed>) = 0 [pid 5395] <... openat resumed>) = 3 [pid 5394] <... write resumed>) = 4 [pid 5390] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5389] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] set_robust_list(0x7fc4ee1839e0, 24 [pid 5397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5396] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5395] write(3, "1000", 4 [pid 5394] close(3 [pid 5390] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5398] <... set_robust_list resumed>) = 0 [pid 5397] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5396] <... openat resumed>) = 4 [pid 5395] <... write resumed>) = 4 [pid 5394] <... close resumed>) = 0 [pid 5390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] memfd_create("syzkaller", 0 [pid 5396] ioctl(4, LOOP_SET_FD, 3 [pid 5395] close(3 [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... memfd_create resumed>) = 3 [pid 5397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5396] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5395] <... close resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5397] <... write resumed>) = 262144 [pid 5396] ioctl(4, LOOP_CLR_FD [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5390] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] exit_group(0 [pid 5398] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5397] munmap(0x7fc4e5d63000, 262144 [pid 5396] <... ioctl resumed>) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5394] <... mmap resumed>) = 0x7fc4ee163000 [pid 5390] <... futex resumed>) = ? [pid 5389] <... exit_group resumed>) = ? [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5394] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5395] <... mmap resumed>) = 0x7fc4ee163000 [pid 5394] <... mprotect resumed>) = 0 [pid 5390] +++ exited with 0 +++ [pid 5397] <... munmap resumed>) = 0 [pid 5395] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5394] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5389] +++ exited with 0 +++ [pid 5398] <... write resumed>) = 262144 [pid 5397] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5395] <... mprotect resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5398] munmap(0x7fc4e5d63000, 262144 [pid 5397] <... openat resumed>) = 4 [pid 5396] ioctl(4, LOOP_SET_FD, 3 [pid 5395] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5394] <... clone resumed>, parent_tid=[5399], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5399 [pid 5398] <... munmap resumed>) = 0 [pid 5397] ioctl(4, LOOP_SET_FD, 3 [pid 5396] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5394] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5400 attached [pid 5398] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5397] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5396] close(4 [pid 5395] <... clone resumed>, parent_tid=[5400], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5400 [pid 5394] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5400] set_robust_list(0x7fc4ee1839e0, 24 [pid 5398] <... openat resumed>) = 4 [pid 5397] ioctl(4, LOOP_CLR_FD [pid 5396] <... close resumed>) = 0 [pid 5395] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5395] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5398] ioctl(4, LOOP_SET_FD, 3 [pid 5397] <... ioctl resumed>) = 0 [pid 5396] close(3 [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5398] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] close(3 [pid 5398] ioctl(4, LOOP_CLR_FD [pid 5396] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 5399 attached [pid 5400] <... set_robust_list resumed>) = 0 [pid 5398] <... ioctl resumed>) = 0 [pid 5396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5399] set_robust_list(0x7fc4ee1839e0, 24 [pid 5397] ioctl(4, LOOP_SET_FD, 3 [pid 5396] <... futex resumed>) = 1 [pid 5391] <... futex resumed>) = 0 [pid 5400] memfd_create("syzkaller", 0 [pid 5399] <... set_robust_list resumed>) = 0 [pid 5397] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5396] fspick(AT_FDCWD, ".", 0 [pid 5391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5401 [pid 5400] <... memfd_create resumed>) = 3 [pid 5399] memfd_create("syzkaller", 0 [pid 5397] close(4 [pid 5396] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5391] <... futex resumed>) = 0 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5399] <... memfd_create resumed>) = 3 [pid 5398] ioctl(4, LOOP_SET_FD, 3 [pid 5397] <... close resumed>) = 0 [pid 5396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5398] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5397] close(3 [pid 5396] <... futex resumed>) = 0 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5399] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5398] close(4 [pid 5391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5398] <... close resumed>) = 0 [pid 5397] <... close resumed>) = 0 [pid 5396] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5391] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5401 attached [pid 5400] <... write resumed>) = 262144 [pid 5399] <... write resumed>) = 262144 [pid 5398] close(3 [pid 5397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5398] <... close resumed>) = 0 [pid 5397] <... futex resumed>) = 1 [pid 5396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] munmap(0x7fc4e5d63000, 262144 [pid 5392] <... futex resumed>) = 0 [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5400] <... munmap resumed>) = 0 [pid 5399] munmap(0x7fc4e5d63000, 262144 [pid 5398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 1 [pid 5392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5401] <... prctl resumed>) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5399] <... munmap resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] setpgid(0, 0 [pid 5400] <... openat resumed>) = 4 [pid 5399] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5398] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] fspick(AT_FDCWD, ".", 0 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... futex resumed>) = 0 [pid 5401] <... setpgid resumed>) = 0 [pid 5400] ioctl(4, LOOP_SET_FD, 3 [pid 5399] <... openat resumed>) = 4 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5396] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5393] <... futex resumed>) = 0 [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5400] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5399] ioctl(4, LOOP_SET_FD, 3 [pid 5398] fspick(AT_FDCWD, ".", 0 [pid 5397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... openat resumed>) = 3 [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] <... openat resumed>) = 3 [pid 5400] ioctl(4, LOOP_CLR_FD [pid 5399] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5398] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5397] <... futex resumed>) = 1 [pid 5396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = 0 [pid 5401] write(3, "1000", 4 [pid 5400] <... ioctl resumed>) = 0 [pid 5399] ioctl(4, LOOP_CLR_FD [pid 5398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 1 [pid 5392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5401] <... write resumed>) = 4 [pid 5399] <... ioctl resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] close(3 [pid 5398] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... futex resumed>) = 0 [pid 5401] <... close resumed>) = 0 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5396] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5393] <... futex resumed>) = 0 [pid 5391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] ioctl(4, LOOP_SET_FD, 3 [pid 5398] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] <... futex resumed>) = 0 [pid 5400] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5399] ioctl(4, LOOP_SET_FD, 3 [pid 5398] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5397] <... futex resumed>) = 1 [pid 5396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = 0 [pid 5401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5400] close(4 [pid 5399] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] <... futex resumed>) = 1 [pid 5392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5401] <... mmap resumed>) = 0x7fc4ee163000 [pid 5400] <... close resumed>) = 0 [pid 5399] close(4 [pid 5401] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5399] <... close resumed>) = 0 [pid 5401] <... mprotect resumed>) = 0 [pid 5399] close(3 [pid 5401] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5399] <... close resumed>) = 0 [pid 5399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... clone resumed>, parent_tid=[5402], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5402 [pid 5399] <... futex resumed>) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... futex resumed>) = 0 [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = 0 [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5399] fspick(AT_FDCWD, ".", 0 [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5399] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = 0 [pid 5399] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5399] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] close(3 [pid 5399] <... futex resumed>) = 1 [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] <... futex resumed>) = 0 [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5391] exit_group(0 [pid 5399] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... close resumed>) = 0 [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5398] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5396] <... futex resumed>) = ? [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] <... exit_group resumed>) = ? [pid 5400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... openat resumed>) = 3 [pid 5396] +++ exited with 0 +++ [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5399] <... openat resumed>) = 3 [pid 5398] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5391] +++ exited with 0 +++ [pid 5400] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... openat resumed>) = 3 [pid 5397] <... futex resumed>) = 1 [pid 5395] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5402 attached [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5399] <... futex resumed>) = 1 [pid 5398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] set_robust_list(0x7fc4ee1839e0, 24 [pid 5400] fspick(AT_FDCWD, ".", 0 [pid 5399] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5400] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5398] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5394] <... futex resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5402] memfd_create("syzkaller", 0 [pid 5400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5394] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5402] <... memfd_create resumed>) = 3 [pid 5400] <... futex resumed>) = 1 [pid 5399] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5398] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = 0 [pid 5393] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5400] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5397] <... futex resumed>) = 1 [pid 5395] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5402] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5399] <... futex resumed>) = 1 [pid 5398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5392] exit_group(0 [pid 5004] close(3 [pid 5399] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] exit_group(0 [pid 5004] <... close resumed>) = 0 [pid 5402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5400] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5399] <... futex resumed>) = ? [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = ? [pid 5394] <... exit_group resumed>) = ? [pid 5393] <... futex resumed>) = 0 [pid 5392] <... exit_group resumed>) = ? [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5402] <... write resumed>) = 262144 [pid 5400] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5399] +++ exited with 0 +++ [pid 5398] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] +++ exited with 0 +++ [pid 5394] +++ exited with 0 +++ [pid 5393] exit_group(0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5403 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5402] munmap(0x7fc4e5d63000, 262144 [pid 5400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... futex resumed>) = ? [pid 5393] <... exit_group resumed>) = ? [pid 5392] +++ exited with 0 +++ [pid 5400] <... futex resumed>) = 1 [pid 5398] +++ exited with 0 +++ [pid 5395] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5395] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5400] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5395] <... futex resumed>) = 0 [pid 5393] +++ exited with 0 +++ [pid 5001] <... restart_syscall resumed>) = 0 [pid 5402] <... munmap resumed>) = 0 [pid 5400] <... openat resumed>) = 3 [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5402] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5395] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5395] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5402] <... openat resumed>) = 4 [pid 5400] <... futex resumed>) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5001] close(3 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5403 attached [pid 5402] ioctl(4, LOOP_SET_FD, 3 [pid 5400] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5395] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=46000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 4999] close(3 [pid 5403] set_robust_list(0x5555563db5e0, 24 [pid 5402] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5400] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5402] ioctl(4, LOOP_CLR_FD [pid 5400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5402] <... ioctl resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5404 [pid 5403] <... prctl resumed>) = 0 [pid 5400] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] exit_group(0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5405 [pid 5403] setpgid(0, 0 [pid 5400] <... futex resumed>) = ? [pid 5395] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5405 attached [pid 5403] <... setpgid resumed>) = 0 [pid 5400] +++ exited with 0 +++ [pid 5395] +++ exited with 0 +++ [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5406 [pid 5405] set_robust_list(0x5555563db5e0, 24 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] ioctl(4, LOOP_SET_FD, 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5403] <... openat resumed>) = 3 [pid 5402] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5403] write(3, "1000", 4 [pid 5402] close(4 [pid 5403] <... write resumed>) = 4 [pid 5402] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5403] close(3 [pid 5402] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5403] <... close resumed>) = 0 [pid 5402] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5404 attached [pid 5403] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5404] set_robust_list(0x5555563db5e0, 24 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5402] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5406 attached [pid 5404] <... set_robust_list resumed>) = 0 [pid 5403] <... mmap resumed>) = 0x7fc4ee163000 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5406] set_robust_list(0x5555563db5e0, 24 [pid 5405] <... prctl resumed>) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5402] fspick(AT_FDCWD, ".", 0 [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] <... set_robust_list resumed>) = 0 [pid 5405] setpgid(0, 0 [pid 5404] <... prctl resumed>) = 0 [pid 5403] <... mprotect resumed>) = 0 [pid 5402] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5407 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5405] <... setpgid resumed>) = 0 [pid 5404] setpgid(0, 0 [pid 5403] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... prctl resumed>) = 0 [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5404] <... setpgid resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5406] setpgid(0, 0 [pid 5405] <... openat resumed>) = 3 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5403] <... clone resumed>, parent_tid=[5408], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5408 [pid 5402] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... setpgid resumed>) = 0 [pid 5405] write(3, "1000", 4 [pid 5404] <... openat resumed>) = 3 [pid 5403] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] <... futex resumed>) = 0 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5405] <... write resumed>) = 4 [pid 5404] write(3, "1000", 4 [pid 5403] <... futex resumed>) = 0 [pid 5402] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5407 attached [pid 5406] <... openat resumed>) = 3 [pid 5405] close(3 [pid 5404] <... write resumed>) = 4 [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5402] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5407] set_robust_list(0x5555563db5e0, 24 [pid 5406] write(3, "1000", 4 [pid 5405] <... close resumed>) = 0 [pid 5404] close(3 [pid 5402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5406] <... write resumed>) = 4 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... close resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5406] close(3 [pid 5405] <... futex resumed>) = 0 [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5408 attached [pid 5407] <... prctl resumed>) = 0 [pid 5406] <... close resumed>) = 0 [pid 5405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5404] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] <... futex resumed>) = 0 [pid 5408] set_robust_list(0x7fc4ee1839e0, 24 [pid 5407] setpgid(0, 0 [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... mmap resumed>) = 0x7fc4ee163000 [pid 5404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5402] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... set_robust_list resumed>) = 0 [pid 5407] <... setpgid resumed>) = 0 [pid 5406] <... futex resumed>) = 0 [pid 5405] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5404] <... mmap resumed>) = 0x7fc4ee163000 [pid 5402] <... openat resumed>) = 3 [pid 5408] memfd_create("syzkaller", 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] <... mprotect resumed>) = 0 [pid 5404] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... memfd_create resumed>) = 3 [pid 5407] <... openat resumed>) = 3 [pid 5406] <... mmap resumed>) = 0x7fc4ee163000 [pid 5405] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5404] <... mprotect resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5407] write(3, "1000", 4 [pid 5406] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5404] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5402] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5407] <... write resumed>) = 4 [pid 5406] <... mprotect resumed>) = 0 [pid 5405] <... clone resumed>, parent_tid=[5409], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5409 [pid 5402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5401] <... futex resumed>) = 0 [pid 5408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5407] close(3 [pid 5406] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5405] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... clone resumed>, parent_tid=[5410], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5410 [pid 5402] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... write resumed>) = 262144 [pid 5407] <... close resumed>) = 0 [pid 5404] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] munmap(0x7fc4e5d63000, 262144 [pid 5406] <... clone resumed>, parent_tid=[5411], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5411 [pid 5404] <... futex resumed>) = 0 [pid 5408] <... munmap resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5406] <... futex resumed>) = 0 [pid 5408] <... openat resumed>) = 4 [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] ioctl(4, LOOP_CLR_FD) = 0 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... futex resumed>) = 0 [pid 5402] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5407] <... futex resumed>) = 0 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5402] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5407] <... mmap resumed>) = 0x7fc4ee163000 [pid 5402] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] exit_group(0 [pid 5407] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5402] <... futex resumed>) = ? [pid 5401] <... exit_group resumed>) = ? [pid 5407] <... mprotect resumed>) = 0 [pid 5402] +++ exited with 0 +++ [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] close(4 [pid 5407] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5401] +++ exited with 0 +++ [pid 5408] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5410 attached [pid 5408] close(3 [pid 5407] <... clone resumed>, parent_tid=[5412], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5412 ./strace-static-x86_64: Process 5409 attached [pid 5410] set_robust_list(0x7fc4ee1839e0, 24 [pid 5408] <... close resumed>) = 0 [pid 5407] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5409] set_robust_list(0x7fc4ee1839e0, 24 [pid 5408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5410] memfd_create("syzkaller", 0 [pid 5409] <... set_robust_list resumed>) = 0 [pid 5408] <... futex resumed>) = 1 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5403] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5410] <... memfd_create resumed>) = 3 [pid 5409] memfd_create("syzkaller", 0 [pid 5408] fspick(AT_FDCWD, ".", 0 [pid 5403] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5408] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5403] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5410] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] close(3 [pid 5410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5408] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... close resumed>) = 0 [pid 5410] <... write resumed>) = 262144 [pid 5409] <... memfd_create resumed>) = 3 [pid 5408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 0 [pid 5408] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5413 [pid 5408] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] munmap(0x7fc4e5d63000, 262144 [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5412 attached ./strace-static-x86_64: Process 5411 attached [pid 5410] <... munmap resumed>) = 0 [pid 5409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 0 [pid 5410] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5408] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] <... openat resumed>) = 4 [pid 5408] <... openat resumed>) = 3 [pid 5410] ioctl(4, LOOP_SET_FD, 3 [pid 5408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5410] ioctl(4, LOOP_CLR_FD [pid 5408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... ioctl resumed>) = 0 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 0 [pid 5408] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5403] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] exit_group(0./strace-static-x86_64: Process 5413 attached [pid 5410] ioctl(4, LOOP_SET_FD, 3 [pid 5408] <... futex resumed>) = ? [pid 5403] <... exit_group resumed>) = ? [pid 5413] set_robust_list(0x5555563db5e0, 24 [pid 5410] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5408] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5413] <... set_robust_list resumed>) = 0 [pid 5410] close(4 [pid 5409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5411] set_robust_list(0x7fc4ee1839e0, 24 [pid 5412] set_robust_list(0x7fc4ee1839e0, 24 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5410] <... close resumed>) = 0 [pid 5413] <... prctl resumed>) = 0 [pid 5410] close(3 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5409] <... write resumed>) = 262144 [pid 5412] <... set_robust_list resumed>) = 0 [pid 5413] setpgid(0, 0 [pid 5412] memfd_create("syzkaller", 0 [pid 5411] memfd_create("syzkaller", 0 [pid 5410] <... close resumed>) = 0 [pid 5409] munmap(0x7fc4e5d63000, 262144 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5413] <... setpgid resumed>) = 0 [pid 5412] <... memfd_create resumed>) = 3 [pid 5411] <... memfd_create resumed>) = 3 [pid 5410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... munmap resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5410] <... futex resumed>) = 1 [pid 5409] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5404] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5413] <... openat resumed>) = 3 [pid 5412] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5411] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5410] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] <... openat resumed>) = 4 [pid 5404] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5413] write(3, "1000", 4 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5413] <... write resumed>) = 4 [pid 5410] fspick(AT_FDCWD, ".", 0 [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5413] close(3 [pid 5412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5410] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5413] <... close resumed>) = 0 [pid 5411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] ioctl(4, LOOP_SET_FD, 3 [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... write resumed>) = 262144 [pid 5410] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5414 [pid 5413] <... futex resumed>) = 0 [pid 5410] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... write resumed>) = 262144 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] munmap(0x7fc4e5d63000, 262144 [pid 5411] munmap(0x7fc4e5d63000, 262144 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5404] <... futex resumed>) = 0 [pid 5413] <... mmap resumed>) = 0x7fc4ee163000 [pid 5412] <... munmap resumed>) = 0 [pid 5410] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5409] ioctl(4, LOOP_CLR_FD [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5410] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5413] <... mprotect resumed>) = 0 [pid 5410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... ioctl resumed>) = 0 [pid 5413] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5412] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5411] <... munmap resumed>) = 0 [pid 5410] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5412] <... openat resumed>) = 4 [pid 5411] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5410] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... clone resumed>, parent_tid=[5415], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5415 [pid 5412] ioctl(4, LOOP_SET_FD, 3 [pid 5411] <... openat resumed>) = 4 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5414 attached [pid 5413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5411] ioctl(4, LOOP_SET_FD, 3 [pid 5410] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] set_robust_list(0x5555563db5e0, 24 [pid 5413] <... futex resumed>) = 0 [pid 5410] <... openat resumed>) = 3 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5410] <... futex resumed>) = 1 [pid 5404] <... futex resumed>) = 0 [pid 5414] <... prctl resumed>) = 0 [pid 5410] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] setpgid(0, 0 [pid 5410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] <... futex resumed>) = 0 [pid 5414] <... setpgid resumed>) = 0 [pid 5410] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5404] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5410] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5414] <... openat resumed>) = 3 [pid 5412] ioctl(4, LOOP_CLR_FD [pid 5411] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] ioctl(4, LOOP_SET_FD, 3 [pid 5414] write(3, "1000", 4 [pid 5412] <... ioctl resumed>) = 0 [pid 5411] ioctl(4, LOOP_CLR_FD [pid 5410] <... futex resumed>) = 1 [pid 5409] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5404] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5415 attached [pid 5414] <... write resumed>) = 4 [pid 5411] <... ioctl resumed>) = 0 [pid 5410] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] close(4 [pid 5404] exit_group(0 [pid 5415] set_robust_list(0x7fc4ee1839e0, 24 [pid 5414] close(3 [pid 5410] <... futex resumed>) = ? [pid 5409] <... close resumed>) = 0 [pid 5404] <... exit_group resumed>) = ? [pid 5415] <... set_robust_list resumed>) = 0 [pid 5414] <... close resumed>) = 0 [pid 5410] +++ exited with 0 +++ [pid 5409] close(3 [pid 5404] +++ exited with 0 +++ [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] ioctl(4, LOOP_SET_FD, 3 [pid 5411] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5415] memfd_create("syzkaller", 0 [pid 5414] <... futex resumed>) = 0 [pid 5412] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5411] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5409] <... close resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5415] <... memfd_create resumed>) = 3 [pid 5414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] close(4 [pid 5411] close(4 [pid 5409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5414] <... mmap resumed>) = 0x7fc4ee163000 [pid 5412] <... close resumed>) = 0 [pid 5411] <... close resumed>) = 0 [pid 5409] <... futex resumed>) = 1 [pid 5405] <... futex resumed>) = 0 [pid 5415] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5414] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5412] close(3 [pid 5411] close(3 [pid 5409] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... mprotect resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5414] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5412] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... close resumed>) = 0 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5414] <... clone resumed>, parent_tid=[5416], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5416 [pid 5412] <... futex resumed>) = 1 [pid 5411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] fspick(AT_FDCWD, ".", 0 [pid 5407] <... futex resumed>) = 0 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = 1 [pid 5409] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5407] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5414] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5415] <... write resumed>) = 262144 [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5412] fspick(AT_FDCWD, ".", 0 [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... futex resumed>) = 1 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5415] munmap(0x7fc4e5d63000, 262144 [pid 5412] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5411] fspick(AT_FDCWD, ".", 0 [pid 5409] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] <... munmap resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5417 [pid 5415] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5412] <... futex resumed>) = 1 [pid 5411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5407] <... futex resumed>) = 0 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... openat resumed>) = 4 [pid 5412] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = 1 [pid 5409] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5407] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5415] ioctl(4, LOOP_SET_FD, 3 [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5412] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5411] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5409] <... futex resumed>) = 1 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5416 attached [pid 5415] ioctl(4, LOOP_CLR_FD [pid 5412] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5417 attached [pid 5416] set_robust_list(0x7fc4ee1839e0, 24 [pid 5415] <... ioctl resumed>) = 0 [pid 5412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] <... futex resumed>) = 0 [pid 5417] set_robust_list(0x5555563db5e0, 24 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5412] <... futex resumed>) = 1 [pid 5411] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... set_robust_list resumed>) = 0 [pid 5416] memfd_create("syzkaller", 0 [pid 5412] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... openat resumed>) = 3 [pid 5407] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5416] <... memfd_create resumed>) = 3 [pid 5415] ioctl(4, LOOP_SET_FD, 3 [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... prctl resumed>) = 0 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5412] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5411] <... openat resumed>) = 3 [pid 5409] <... futex resumed>) = 1 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... futex resumed>) = 0 [pid 5417] setpgid(0, 0 [pid 5416] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5415] close(4 [pid 5412] <... openat resumed>) = 3 [pid 5411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... setpgid resumed>) = 0 [pid 5416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5415] <... close resumed>) = 0 [pid 5412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5416] <... write resumed>) = 262144 [pid 5415] close(3 [pid 5412] <... futex resumed>) = 1 [pid 5411] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... openat resumed>) = 3 [pid 5416] munmap(0x7fc4e5d63000, 262144 [pid 5417] write(3, "1000", 4 [pid 5416] <... munmap resumed>) = 0 [pid 5415] <... close resumed>) = 0 [pid 5412] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5409] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5407] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5417] <... write resumed>) = 4 [pid 5416] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5417] close(3 [pid 5416] <... openat resumed>) = 4 [pid 5417] <... close resumed>) = 0 [pid 5416] ioctl(4, LOOP_SET_FD, 3 [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5417] <... futex resumed>) = 0 [pid 5416] ioctl(4, LOOP_CLR_FD [pid 5417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5416] <... ioctl resumed>) = 0 [pid 5417] <... mmap resumed>) = 0x7fc4ee163000 [pid 5417] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5411] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 0 [pid 5406] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5416] ioctl(4, LOOP_SET_FD, 3 [pid 5415] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5412] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5411] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5409] <... futex resumed>) = 1 [pid 5407] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] <... futex resumed>) = 0 [pid 5416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] exit_group(0 [pid 5417] <... clone resumed>, parent_tid=[5418], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5418 [pid 5416] close(4 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 1 [pid 5409] <... futex resumed>) = ? [pid 5406] <... futex resumed>) = 0 [pid 5405] <... exit_group resumed>) = ? [pid 5417] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... close resumed>) = 0 [pid 5415] fspick(AT_FDCWD, ".", 0 [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = 1 [pid 5411] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5409] +++ exited with 0 +++ [pid 5407] <... futex resumed>) = 0 [pid 5406] exit_group(0 [pid 5417] <... futex resumed>) = 0 [pid 5416] close(3 [pid 5415] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5412] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] <... futex resumed>) = ? [pid 5407] exit_group(0 [pid 5406] <... exit_group resumed>) = ? [pid 5405] +++ exited with 0 +++ [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5416] <... close resumed>) = 0 [pid 5415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = ? [pid 5411] +++ exited with 0 +++ [pid 5407] <... exit_group resumed>) = ? [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] +++ exited with 0 +++ [pid 5406] +++ exited with 0 +++ [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5416] <... futex resumed>) = 1 [pid 5414] <... futex resumed>) = 0 [pid 5407] +++ exited with 0 +++ [pid 4999] <... restart_syscall resumed>) = 0 [pid 5416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] <... futex resumed>) = 1 [pid 5414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] <... futex resumed>) = 0 [pid 5413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5416] fspick(AT_FDCWD, ".", 0 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5416] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5415] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5418 attached [pid 5416] <... futex resumed>) = 1 [pid 5415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 5418] set_robust_list(0x7fc4ee1839e0, 24 [pid 5416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] <... futex resumed>) = 1 [pid 5414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] <... futex resumed>) = 0 [pid 5413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5418] memfd_create("syzkaller", 0 [pid 5416] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] <... memfd_create resumed>) = 3 [pid 5416] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5415] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5002] close(3 [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5419 [pid 5418] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5416] <... futex resumed>) = 1 [pid 5415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] <... futex resumed>) = 1 [pid 5414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] <... futex resumed>) = 0 [pid 5413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5420 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5421 [pid 5416] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... futex resumed>) = 0 [pid 5418] <... write resumed>) = 262144 [pid 5416] <... openat resumed>) = 3 [pid 5415] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5418] munmap(0x7fc4e5d63000, 262144 [pid 5416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5416] <... futex resumed>) = 1 [pid 5415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... futex resumed>) = 0 [pid 5416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] <... futex resumed>) = 1 [pid 5414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5418] <... munmap resumed>) = 0 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] <... futex resumed>) = 0 [pid 5413] exit_group(0./strace-static-x86_64: Process 5419 attached [pid 5418] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5416] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5415] <... futex resumed>) = ? [pid 5414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... exit_group resumed>) = ? [pid 5419] set_robust_list(0x5555563db5e0, 24 [pid 5418] <... openat resumed>) = 4 [pid 5416] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5415] +++ exited with 0 +++ [pid 5419] <... set_robust_list resumed>) = 0 [pid 5416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5418] ioctl(4, LOOP_SET_FD, 3 [pid 5416] <... futex resumed>) = 1 [pid 5414] <... futex resumed>) = 0 [pid 5413] +++ exited with 0 +++ ./strace-static-x86_64: Process 5420 attached [pid 5419] <... prctl resumed>) = 0 [pid 5418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5420] set_robust_list(0x5555563db5e0, 24 [pid 5419] setpgid(0, 0 [pid 5418] ioctl(4, LOOP_CLR_FD [pid 5416] <... futex resumed>) = ? [pid 5414] <... exit_group resumed>) = ? [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5420] <... set_robust_list resumed>) = 0 [pid 5419] <... setpgid resumed>) = 0 [pid 5416] +++ exited with 0 +++ [pid 5414] +++ exited with 0 +++ [pid 5000] <... restart_syscall resumed>) = 0 [pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5420] <... prctl resumed>) = 0 [pid 5419] <... openat resumed>) = 3 [pid 5420] setpgid(0, 0 [pid 5419] write(3, "1000", 4 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5420] <... setpgid resumed>) = 0 [pid 5419] <... write resumed>) = 4 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... openat resumed>) = 3 [pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5419] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5420] <... openat resumed>) = 3 [pid 5419] <... close resumed>) = 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5421 attached [pid 5420] write(3, "1000", 4 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 5421] set_robust_list(0x5555563db5e0, 24 [pid 5420] <... write resumed>) = 4 [pid 5419] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5000] <... close resumed>) = 0 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5420] close(3 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5420] <... close resumed>) = 0 [pid 5419] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5421] <... prctl resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5418] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5422 [pid 5421] setpgid(0, 0 [pid 5420] <... futex resumed>) = 0 [pid 5419] <... mprotect resumed>) = 0 [pid 5418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5423 [pid 5421] <... setpgid resumed>) = 0 [pid 5420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5419] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5418] close(4 [pid 5421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5420] <... mmap resumed>) = 0x7fc4ee163000 ./strace-static-x86_64: Process 5422 attached [pid 5421] <... openat resumed>) = 3 [pid 5420] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5419] <... clone resumed>, parent_tid=[5424], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5424 [pid 5418] <... close resumed>) = 0 [pid 5422] set_robust_list(0x5555563db5e0, 24 [pid 5421] write(3, "1000", 4 [pid 5420] <... mprotect resumed>) = 0 [pid 5419] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] close(3 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] <... write resumed>) = 4 [pid 5420] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5419] <... futex resumed>) = 0 [pid 5421] close(3 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5418] <... close resumed>) = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5421] <... close resumed>) = 0 [pid 5420] <... clone resumed>, parent_tid=[5425], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5425 [pid 5418] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... prctl resumed>) = 0 [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5423 attached [pid 5422] setpgid(0, 0 [pid 5421] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5418] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] set_robust_list(0x5555563db5e0, 24 [pid 5422] <... setpgid resumed>) = 0 [pid 5421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5425 attached [pid 5423] <... set_robust_list resumed>) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5421] <... mmap resumed>) = 0x7fc4ee163000 [pid 5418] fspick(AT_FDCWD, ".", 0 [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] set_robust_list(0x7fc4ee1839e0, 24 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5422] <... openat resumed>) = 3 [pid 5421] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5418] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5424 attached [pid 5423] <... prctl resumed>) = 0 [pid 5424] set_robust_list(0x7fc4ee1839e0, 24 [pid 5423] setpgid(0, 0 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] <... setpgid resumed>) = 0 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5424] memfd_create("syzkaller", 0 [pid 5423] <... openat resumed>) = 3 [pid 5423] write(3, "1000", 4) = 4 [pid 5422] write(3, "1000", 4 [pid 5421] <... mprotect resumed>) = 0 [pid 5418] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... memfd_create resumed>) = 3 [pid 5423] close(3 [pid 5422] <... write resumed>) = 4 [pid 5421] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5418] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5423] <... close resumed>) = 0 [pid 5422] close(3 [pid 5418] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5417] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... close resumed>) = 0 [pid 5421] <... clone resumed>, parent_tid=[5426], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5426 [pid 5418] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5417] <... futex resumed>) = 0 [pid 5425] <... set_robust_list resumed>) = 0 [pid 5424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5423] <... futex resumed>) = 0 [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] memfd_create("syzkaller", 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... memfd_create resumed>) = 3 [pid 5423] <... mmap resumed>) = 0x7fc4ee163000 [pid 5422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5418] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5426 attached [pid 5425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5424] <... write resumed>) = 262144 [pid 5423] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5422] <... mmap resumed>) = 0x7fc4ee163000 [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 [pid 5426] set_robust_list(0x7fc4ee1839e0, 24 [pid 5425] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5423] <... mprotect resumed>) = 0 [pid 5422] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5418] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5423] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5422] <... mprotect resumed>) = 0 [pid 5418] <... openat resumed>) = 3 [pid 5423] <... clone resumed>, parent_tid=[5427], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5427 [pid 5422] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5418] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] munmap(0x7fc4e5d63000, 262144 [pid 5423] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5424] <... munmap resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5422] <... clone resumed>, parent_tid=[5428], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5428 [pid 5418] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5422] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 [pid 5424] <... openat resumed>) = 4 [pid 5422] <... futex resumed>) = 0 [pid 5418] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5417] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5426] memfd_create("syzkaller", 0 [pid 5425] <... write resumed>) = 262144 [pid 5424] ioctl(4, LOOP_SET_FD, 3 [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5418] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5426] <... memfd_create resumed>) = 3 [pid 5425] munmap(0x7fc4e5d63000, 262144 [pid 5418] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5424] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5418] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5426] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5425] <... munmap resumed>) = 0 [pid 5424] ioctl(4, LOOP_CLR_FD [pid 5418] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] exit_group(0 [pid 5425] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5424] <... ioctl resumed>) = 0 [pid 5418] <... futex resumed>) = ? [pid 5417] <... exit_group resumed>) = ? [pid 5426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5425] <... openat resumed>) = 4 [pid 5418] +++ exited with 0 +++ [pid 5417] +++ exited with 0 +++ [pid 5425] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5427 attached [pid 5427] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5427] memfd_create("syzkaller", 0 [pid 5426] <... write resumed>) = 262144 [pid 5425] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5427] <... memfd_create resumed>) = 3 [pid 5426] munmap(0x7fc4e5d63000, 262144 [pid 5425] ioctl(4, LOOP_CLR_FD [pid 5427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5425] <... ioctl resumed>) = 0 [pid 5424] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5428 attached [pid 5427] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5426] <... munmap resumed>) = 0 [pid 5424] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5428] set_robust_list(0x7fc4ee1839e0, 24 [pid 5427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5426] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5424] close(4 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5426] <... openat resumed>) = 4 [pid 5425] ioctl(4, LOOP_SET_FD, 3 [pid 5424] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5428] memfd_create("syzkaller", 0 [pid 5426] ioctl(4, LOOP_SET_FD, 3 [pid 5425] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5424] close(3 [pid 5001] <... openat resumed>) = 3 [pid 5428] <... memfd_create resumed>) = 3 [pid 5426] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5425] close(4 [pid 5424] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5427] <... write resumed>) = 262144 [pid 5426] ioctl(4, LOOP_CLR_FD [pid 5425] <... close resumed>) = 0 [pid 5424] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5428] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5426] <... ioctl resumed>) = 0 [pid 5425] close(3 [pid 5424] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5424] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5427] munmap(0x7fc4e5d63000, 262144 [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5427] <... munmap resumed>) = 0 [pid 5425] <... close resumed>) = 0 [pid 5424] fspick(AT_FDCWD, ".", 0 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... write resumed>) = 262144 [pid 5428] munmap(0x7fc4e5d63000, 262144 [pid 5427] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5425] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5429 [pid 5428] <... munmap resumed>) = 0 [pid 5427] <... openat resumed>) = 4 [pid 5426] ioctl(4, LOOP_SET_FD, 3 [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 5428] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5427] ioctl(4, LOOP_SET_FD, 3 [pid 5426] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5425] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = 1 [pid 5420] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5428] <... openat resumed>) = 4 [pid 5427] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5426] close(4 [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] <... futex resumed>) = 0 [pid 5419] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] ioctl(4, LOOP_CLR_FD [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5419] <... futex resumed>) = 0 [pid 5427] <... ioctl resumed>) = 0 [pid 5424] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5429 attached [pid 5424] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5429] set_robust_list(0x5555563db5e0, 24 [pid 5424] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5424] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... prctl resumed>) = 0 [pid 5427] ioctl(4, LOOP_SET_FD, 3 [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] <... futex resumed>) = 0 [pid 5429] setpgid(0, 0 [pid 5427] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5424] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... setpgid resumed>) = 0 [pid 5427] close(4 [pid 5424] <... openat resumed>) = 3 [pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5428] ioctl(4, LOOP_SET_FD, 3 [pid 5427] <... close resumed>) = 0 [pid 5426] <... close resumed>) = 0 [pid 5425] fspick(AT_FDCWD, ".", 0 [pid 5424] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... openat resumed>) = 3 [pid 5428] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5427] close(3 [pid 5426] close(3 [pid 5425] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5424] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5429] write(3, "1000", 4 [pid 5428] ioctl(4, LOOP_CLR_FD [pid 5427] <... close resumed>) = 0 [pid 5424] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... write resumed>) = 4 [pid 5428] <... ioctl resumed>) = 0 [pid 5427] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... close resumed>) = 0 [pid 5425] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] <... futex resumed>) = 0 [pid 5429] close(3 [pid 5427] <... futex resumed>) = 1 [pid 5426] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 1 [pid 5424] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5423] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5419] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... close resumed>) = 0 [pid 5427] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] <... futex resumed>) = 1 [pid 5425] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5423] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] ioctl(4, LOOP_SET_FD, 3 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5421] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 0 [pid 5428] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5427] fspick(AT_FDCWD, ".", 0 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5424] <... futex resumed>) = 1 [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5419] <... futex resumed>) = 0 [pid 5429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5428] close(4 [pid 5427] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5426] fspick(AT_FDCWD, ".", 0 [pid 5425] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5424] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5419] exit_group(0 [pid 5429] <... mmap resumed>) = 0x7fc4ee163000 [pid 5428] <... close resumed>) = 0 [pid 5427] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5425] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = ? [pid 5419] <... exit_group resumed>) = ? [pid 5429] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5428] close(3 [pid 5427] <... futex resumed>) = 1 [pid 5426] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 1 [pid 5424] +++ exited with 0 +++ [pid 5423] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5419] +++ exited with 0 +++ [pid 5429] <... mprotect resumed>) = 0 [pid 5428] <... close resumed>) = 0 [pid 5427] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] <... futex resumed>) = 1 [pid 5425] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5428] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5423] <... futex resumed>) = 0 [pid 5421] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5428] <... futex resumed>) = 1 [pid 5427] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5429] <... clone resumed>, parent_tid=[5430], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5430 [pid 5428] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5426] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5425] <... openat resumed>) = 3 [pid 5422] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5429] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5425] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5430 attached [pid 5429] <... futex resumed>) = 0 [pid 5428] fspick(AT_FDCWD, ".", 0 [pid 5427] <... futex resumed>) = 1 [pid 5426] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5430] set_robust_list(0x7fc4ee1839e0, 24 [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5428] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5427] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] <... futex resumed>) = 1 [pid 5425] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5430] <... set_robust_list resumed>) = 0 [pid 5428] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5423] <... futex resumed>) = 0 [pid 5421] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5430] memfd_create("syzkaller", 0 [pid 5428] <... futex resumed>) = 1 [pid 5427] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 0 [pid 5420] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] <... memfd_create resumed>) = 3 [pid 5428] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... openat resumed>) = 3 [pid 5426] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5425] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5422] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... openat resumed>) = 3 [pid 5425] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5431 [pid 5430] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5428] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5427] <... futex resumed>) = 1 [pid 5426] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... futex resumed>) = 0 [pid 5428] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5427] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5428] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] <... futex resumed>) = 1 [pid 5425] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5423] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5421] <... futex resumed>) = 0 [pid 5420] exit_group(0 [pid 5428] <... futex resumed>) = 0 [pid 5427] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5426] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = ? [pid 5423] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... exit_group resumed>) = ? [pid 5430] <... write resumed>) = 262144 [pid 5428] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5427] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] +++ exited with 0 +++ [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 0 [pid 5430] munmap(0x7fc4e5d63000, 262144 [pid 5428] <... openat resumed>) = 3 [pid 5427] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] +++ exited with 0 +++ [pid 5430] <... munmap resumed>) = 0 [pid 5428] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 1 [pid 5426] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5423] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5430] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5428] <... futex resumed>) = 0 [pid 5427] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] exit_group(0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5428] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] <... futex resumed>) = ? [pid 5423] <... exit_group resumed>) = ? [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5427] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... ioctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5426] <... futex resumed>) = 1 [pid 5422] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5432 [pid 5421] <... futex resumed>) = 0 [pid 5430] <... openat resumed>) = 4 [pid 5428] <... futex resumed>) = 0 [pid 5426] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] <... futex resumed>) = 1 [pid 5421] exit_group(0 [pid 5004] <... close resumed>) = 0 [pid 5430] ioctl(4, LOOP_SET_FD, 3 [pid 5428] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5426] <... futex resumed>) = ? [pid 5422] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] <... exit_group resumed>) = ? [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5428] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5426] +++ exited with 0 +++ [pid 5430] ioctl(4, LOOP_CLR_FD [pid 5428] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] +++ exited with 0 +++ [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5433 [pid 5430] <... ioctl resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5422] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5431 attached [pid 5428] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] exit_group(0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5431] set_robust_list(0x5555563db5e0, 24 [pid 5428] <... futex resumed>) = ? [pid 5422] <... exit_group resumed>) = ? [pid 5002] <... restart_syscall resumed>) = 0 [pid 5428] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5431] <... set_robust_list resumed>) = 0 [pid 5422] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5430] ioctl(4, LOOP_SET_FD, 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5431] <... prctl resumed>) = 0 [pid 5430] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... ioctl resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5431] setpgid(0, 0 [pid 5430] close(4 [pid 5002] close(3 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5431] <... setpgid resumed>) = 0 [pid 5430] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5430] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5431] <... openat resumed>) = 3 [pid 5430] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5432 attached [pid 5431] write(3, "1000", 4 [pid 5430] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5434 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5433 attached [pid 5432] set_robust_list(0x5555563db5e0, 24 [pid 5431] <... write resumed>) = 4 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5433] set_robust_list(0x5555563db5e0, 24 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5431] close(3 [pid 5430] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5434 attached [pid 5433] <... set_robust_list resumed>) = 0 [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5431] <... close resumed>) = 0 [pid 5430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5429] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5434] set_robust_list(0x5555563db5e0, 24 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5432] <... prctl resumed>) = 0 [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] fspick(AT_FDCWD, ".", 0 [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5434] <... set_robust_list resumed>) = 0 [pid 5433] <... prctl resumed>) = 0 [pid 5432] setpgid(0, 0 [pid 5431] <... futex resumed>) = 0 [pid 5430] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] setpgid(0, 0 [pid 5432] <... setpgid resumed>) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5430] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... prctl resumed>) = 0 [pid 5433] <... setpgid resumed>) = 0 [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5431] <... mmap resumed>) = 0x7fc4ee163000 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5435 [pid 5434] setpgid(0, 0 [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] <... openat resumed>) = 3 [pid 5431] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5430] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... setpgid resumed>) = 0 [pid 5433] <... openat resumed>) = 3 [pid 5432] write(3, "1000", 4 [pid 5431] <... mprotect resumed>) = 0 [pid 5430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5429] <... futex resumed>) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5433] write(3, "1000", 4 [pid 5432] <... write resumed>) = 4 [pid 5431] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5430] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5435 attached [pid 5434] <... openat resumed>) = 3 [pid 5433] <... write resumed>) = 4 [pid 5432] close(3 [pid 5430] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5435] set_robust_list(0x5555563db5e0, 24 [pid 5434] write(3, "1000", 4 [pid 5433] close(3 [pid 5432] <... close resumed>) = 0 [pid 5431] <... clone resumed>, parent_tid=[5436], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5436 [pid 5430] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] <... write resumed>) = 4 [pid 5433] <... close resumed>) = 0 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] close(3 [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5430] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5436 attached [pid 5435] <... prctl resumed>) = 0 [pid 5434] <... close resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5429] <... futex resumed>) = 0 [pid 5436] set_robust_list(0x7fc4ee1839e0, 24 [pid 5435] setpgid(0, 0 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] <... mmap resumed>) = 0x7fc4ee163000 [pid 5430] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... mmap resumed>) = 0x7fc4ee163000 [pid 5432] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5433] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5432] <... mprotect resumed>) = 0 [pid 5433] <... mprotect resumed>) = 0 [pid 5432] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5433] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5432] <... clone resumed>, parent_tid=[5437], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5437 [pid 5433] <... clone resumed>, parent_tid=[5438], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5438 [pid 5432] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5438 attached [pid 5438] set_robust_list(0x7fc4ee1839e0, 24 [pid 5434] <... futex resumed>) = 0 [pid 5430] <... openat resumed>) = 3 [pid 5435] <... setpgid resumed>) = 0 [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5430] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] memfd_create("syzkaller", 0 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... mmap resumed>) = 0x7fc4ee163000 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5436] <... memfd_create resumed>) = 3 [pid 5435] <... openat resumed>) = 3 [pid 5434] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5430] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5435] write(3, "1000", 4 [pid 5434] <... mprotect resumed>) = 0 [pid 5430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5429] <... futex resumed>) = 0 [pid 5436] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5435] <... write resumed>) = 4 [pid 5434] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5430] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5429] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] close(3 [pid 5430] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5435] <... close resumed>) = 0 [pid 5434] <... clone resumed>, parent_tid=[5439], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5439 [pid 5430] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5430] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] exit_group(0 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5438] memfd_create("syzkaller", 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5430] <... futex resumed>) = ? [pid 5429] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5437 attached [pid 5438] <... memfd_create resumed>) = 3 [pid 5430] +++ exited with 0 +++ [pid 5438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5437] set_robust_list(0x7fc4ee1839e0, 24 [pid 5438] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5435] <... mmap resumed>) = 0x7fc4ee163000 [pid 5429] +++ exited with 0 +++ [pid 5438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5437] memfd_create("syzkaller", 0 [pid 5436] <... write resumed>) = 262144 [pid 5435] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5437] <... memfd_create resumed>) = 3 [pid 5436] munmap(0x7fc4e5d63000, 262144 [pid 5435] <... mprotect resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5438] <... write resumed>) = 262144 [pid 5437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5436] <... munmap resumed>) = 0 [pid 5435] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5439 attached [pid 5437] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5436] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5439] set_robust_list(0x7fc4ee1839e0, 24 [pid 5437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5436] <... openat resumed>) = 4 [pid 5435] <... clone resumed>, parent_tid=[5440], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5440 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5436] ioctl(4, LOOP_SET_FD, 3 [pid 5435] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5439] memfd_create("syzkaller", 0 [pid 5438] munmap(0x7fc4e5d63000, 262144 [pid 5437] <... write resumed>) = 262144 [pid 5436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5435] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5440 attached [pid 5439] <... memfd_create resumed>) = 3 [pid 5438] <... munmap resumed>) = 0 [pid 5436] ioctl(4, LOOP_CLR_FD [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5440] set_robust_list(0x7fc4ee1839e0, 24 [pid 5439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5438] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5437] munmap(0x7fc4e5d63000, 262144 [pid 5436] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5439] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5438] <... openat resumed>) = 4 [pid 5437] <... munmap resumed>) = 0 [pid 5001] close(3 [pid 5438] ioctl(4, LOOP_SET_FD, 3 [pid 5437] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 5439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5438] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5437] <... openat resumed>) = 4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] memfd_create("syzkaller", 0 [pid 5439] <... write resumed>) = 262144 [pid 5438] ioctl(4, LOOP_CLR_FD [pid 5437] ioctl(4, LOOP_SET_FD, 3 [pid 5440] <... memfd_create resumed>) = 3 [pid 5439] munmap(0x7fc4e5d63000, 262144 [pid 5438] <... ioctl resumed>) = 0 [pid 5437] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5436] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5441 [pid 5440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5437] ioctl(4, LOOP_CLR_FD [pid 5436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5440] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5439] <... munmap resumed>) = 0 [pid 5437] <... ioctl resumed>) = 0 [pid 5436] close(4 [pid 5439] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5436] <... close resumed>) = 0 [pid 5439] <... openat resumed>) = 4 [pid 5436] close(3 [pid 5438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5439] ioctl(4, LOOP_SET_FD, 3 [pid 5438] close(4 [pid 5436] <... close resumed>) = 0 [pid 5439] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5438] <... close resumed>) = 0 [pid 5436] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5439] ioctl(4, LOOP_CLR_FD [pid 5438] close(3 [pid 5437] ioctl(4, LOOP_SET_FD, 3 [pid 5436] <... futex resumed>) = 1 [pid 5431] <... futex resumed>) = 0 [pid 5440] <... write resumed>) = 262144 [pid 5439] <... ioctl resumed>) = 0 [pid 5438] <... close resumed>) = 0 [pid 5437] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5436] fspick(AT_FDCWD, ".", 0 [pid 5431] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] munmap(0x7fc4e5d63000, 262144 [pid 5438] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] close(4 [pid 5436] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5431] <... futex resumed>) = 0 [pid 5440] <... munmap resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5437] <... close resumed>) = 0 [pid 5436] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = 0 [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5438] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] close(3 [pid 5436] <... futex resumed>) = 0 [pid 5433] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... openat resumed>) = 4 [pid 5439] ioctl(4, LOOP_SET_FD, 3 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... close resumed>) = 0 [pid 5433] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5441 attached [pid 5438] fspick(AT_FDCWD, ".", 0 [pid 5437] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] set_robust_list(0x5555563db5e0, 24 [pid 5438] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5437] <... futex resumed>) = 1 [pid 5432] <... futex resumed>) = 0 [pid 5441] <... set_robust_list resumed>) = 0 [pid 5438] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5432] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5441] <... prctl resumed>) = 0 [pid 5440] ioctl(4, LOOP_SET_FD, 3 [pid 5439] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5438] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] fspick(AT_FDCWD, ".", 0 [pid 5436] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] setpgid(0, 0 [pid 5440] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5439] close(4 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5433] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] <... setpgid resumed>) = 0 [pid 5440] ioctl(4, LOOP_CLR_FD [pid 5439] <... close resumed>) = 0 [pid 5438] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5437] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5440] <... ioctl resumed>) = 0 [pid 5439] close(3 [pid 5438] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5437] <... futex resumed>) = 1 [pid 5436] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5432] <... futex resumed>) = 0 [pid 5441] <... openat resumed>) = 3 [pid 5439] <... close resumed>) = 0 [pid 5438] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] write(3, "1000", 4 [pid 5439] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] <... write resumed>) = 4 [pid 5439] <... futex resumed>) = 1 [pid 5438] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5436] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] close(3 [pid 5440] ioctl(4, LOOP_SET_FD, 3 [pid 5439] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] <... close resumed>) = 0 [pid 5440] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5437] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] close(4 [pid 5439] fspick(AT_FDCWD, ".", 0 [pid 5438] <... openat resumed>) = 3 [pid 5437] <... futex resumed>) = 1 [pid 5436] <... openat resumed>) = 3 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... futex resumed>) = 0 [pid 5441] <... futex resumed>) = 0 [pid 5440] <... close resumed>) = 0 [pid 5439] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5438] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5440] close(3 [pid 5439] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] <... mmap resumed>) = 0x7fc4ee163000 [pid 5440] <... close resumed>) = 0 [pid 5439] <... futex resumed>) = 1 [pid 5438] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5436] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5440] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... openat resumed>) = 3 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] <... mprotect resumed>) = 0 [pid 5440] <... futex resumed>) = 1 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5437] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5440] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5438] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5437] <... futex resumed>) = 1 [pid 5436] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5435] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... futex resumed>) = 0 [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5439] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5438] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5432] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... clone resumed>, parent_tid=[5442], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5442 [pid 5440] fspick(AT_FDCWD, ".", 0 [pid 5439] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = 1 [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = 0 [pid 5441] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5439] <... futex resumed>) = 1 [pid 5438] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5436] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] <... futex resumed>) = 0 [pid 5433] exit_group(0 [pid 5432] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] exit_group(0./strace-static-x86_64: Process 5442 attached [pid 5441] <... futex resumed>) = 0 [pid 5440] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... futex resumed>) = ? [pid 5437] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5436] <... futex resumed>) = ? [pid 5434] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... exit_group resumed>) = ? [pid 5431] <... exit_group resumed>) = ? [pid 5442] set_robust_list(0x7fc4ee1839e0, 24 [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5440] <... futex resumed>) = 1 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] +++ exited with 0 +++ [pid 5437] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5433] +++ exited with 0 +++ [pid 5437] <... futex resumed>) = 1 [pid 5432] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5437] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5432] exit_group(0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5437] <... futex resumed>) = ? [pid 5432] <... exit_group resumed>) = ? [pid 5004] <... restart_syscall resumed>) = 0 [pid 5437] +++ exited with 0 +++ [pid 5432] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5436] +++ exited with 0 +++ [pid 5434] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5443 [pid 5431] +++ exited with 0 +++ [pid 5442] <... set_robust_list resumed>) = 0 [pid 5440] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5435] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5439] <... openat resumed>) = 3 [pid 5435] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5442] memfd_create("syzkaller", 0 [pid 5440] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5439] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5442] <... memfd_create resumed>) = 3 [pid 5440] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5439] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5440] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5442] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5440] <... futex resumed>) = 1 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5443 attached [pid 5440] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5435] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5443] set_robust_list(0x5555563db5e0, 24 [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5439] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5435] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5443] <... set_robust_list resumed>) = 0 [pid 5442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5440] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5439] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5442] <... write resumed>) = 262144 [pid 5440] <... openat resumed>) = 3 [pid 5439] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5443] <... prctl resumed>) = 0 [pid 5442] munmap(0x7fc4e5d63000, 262144 [pid 5440] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] exit_group(0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5444 [pid 4999] <... openat resumed>) = 3 [pid 5443] setpgid(0, 0 [pid 5442] <... munmap resumed>) = 0 [pid 5440] <... futex resumed>) = 1 [pid 5439] <... futex resumed>) = ? [pid 5435] <... futex resumed>) = 0 [pid 5434] <... exit_group resumed>) = ? [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5443] <... setpgid resumed>) = 0 [pid 5440] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] +++ exited with 0 +++ [pid 5435] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5442] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5434] +++ exited with 0 +++ [pid 4999] close(3 [pid 5443] <... openat resumed>) = 3 [pid 5442] <... openat resumed>) = 4 [pid 5440] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5435] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... close resumed>) = 0 [pid 5443] write(3, "1000", 4 [pid 5442] ioctl(4, LOOP_SET_FD, 3 [pid 5440] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5443] <... write resumed>) = 4 [pid 5442] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5440] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] close(3 [pid 5442] ioctl(4, LOOP_CLR_FD [pid 5440] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5445 [pid 5443] <... close resumed>) = 0 [pid 5442] <... ioctl resumed>) = 0 [pid 5440] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] exit_group(0 [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = ? [pid 5435] <... exit_group resumed>) = ? [pid 5443] <... futex resumed>) = 0 [pid 5440] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5445 attached [pid 5443] <... mmap resumed>) = 0x7fc4ee163000 [pid 5435] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5445] set_robust_list(0x5555563db5e0, 24 [pid 5443] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5442] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5445] <... set_robust_list resumed>) = 0 [pid 5443] <... mprotect resumed>) = 0 [pid 5442] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5444 attached [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5443] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5442] close(4 [pid 5002] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5444] set_robust_list(0x5555563db5e0, 24 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5444] <... set_robust_list resumed>) = 0 [pid 5443] <... clone resumed>, parent_tid=[5446], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5446 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5443] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5447 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5444] <... prctl resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5444] setpgid(0, 0 [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5445] <... prctl resumed>) = 0 [pid 5444] <... setpgid resumed>) = 0 [pid 5442] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5445] setpgid(0, 0 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5442] close(3 [pid 5000] close(3 [pid 5444] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 5444] write(3, "1000", 4 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5442] <... close resumed>) = 0 [pid 5445] <... setpgid resumed>) = 0 [pid 5444] <... write resumed>) = 4 [pid 5442] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] close(3 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5448 [pid 5445] <... openat resumed>) = 3 [pid 5444] <... close resumed>) = 0 [pid 5442] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] write(3, "1000", 4 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] <... futex resumed>) = 0 [pid 5445] <... write resumed>) = 4 [pid 5444] <... futex resumed>) = 0 [pid 5442] fspick(AT_FDCWD, ".", 0 [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] close(3 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5442] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5445] <... close resumed>) = 0 [pid 5444] <... mmap resumed>) = 0x7fc4ee163000 [pid 5442] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5447 attached [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5448 attached ./strace-static-x86_64: Process 5446 attached [pid 5447] set_robust_list(0x5555563db5e0, 24 [pid 5445] <... futex resumed>) = 0 [pid 5444] <... mprotect resumed>) = 0 [pid 5442] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] set_robust_list(0x5555563db5e0, 24 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5446] set_robust_list(0x7fc4ee1839e0, 24 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5444] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] <... futex resumed>) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5446] <... set_robust_list resumed>) = 0 [pid 5445] <... mmap resumed>) = 0x7fc4ee163000 [pid 5442] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5447] <... prctl resumed>) = 0 [pid 5446] memfd_create("syzkaller", 0 [pid 5445] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5444] <... clone resumed>, parent_tid=[5449], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5449 [pid 5442] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5448] <... prctl resumed>) = 0 [pid 5447] setpgid(0, 0 [pid 5446] <... memfd_create resumed>) = 3 [pid 5445] <... mprotect resumed>) = 0 [pid 5444] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] setpgid(0, 0 [pid 5447] <... setpgid resumed>) = 0 [pid 5446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5445] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5444] <... futex resumed>) = 0 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5448] <... setpgid resumed>) = 0 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5446] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5442] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5447] <... openat resumed>) = 3 [pid 5445] <... clone resumed>, parent_tid=[5450], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5450 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] <... futex resumed>) = 0 [pid 5448] <... openat resumed>) = 3 [pid 5447] write(3, "1000", 4 [pid 5445] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] write(3, "1000", 4 [pid 5447] <... write resumed>) = 4 [pid 5445] <... futex resumed>) = 0 [pid 5448] <... write resumed>) = 4 [pid 5447] close(3 [pid 5446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5442] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5449 attached [pid 5448] close(3 [pid 5447] <... close resumed>) = 0 [pid 5442] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] set_robust_list(0x7fc4ee1839e0, 24 [pid 5448] <... close resumed>) = 0 [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = 0 [pid 5446] <... write resumed>) = 262144 [pid 5442] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] memfd_create("syzkaller", 0 [pid 5448] <... futex resumed>) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5446] munmap(0x7fc4e5d63000, 262144 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5441] <... futex resumed>) = 0 [pid 5449] <... memfd_create resumed>) = 3 [pid 5448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5447] <... mmap resumed>) = 0x7fc4ee163000 [pid 5442] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5441] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5448] <... mmap resumed>) = 0x7fc4ee163000 [pid 5447] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5442] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5446] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5450 attached [pid 5449] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5448] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5447] <... mprotect resumed>) = 0 [pid 5446] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5442] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] set_robust_list(0x7fc4ee1839e0, 24 [pid 5449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5448] <... mprotect resumed>) = 0 [pid 5447] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5446] <... openat resumed>) = 4 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5449] <... write resumed>) = 262144 [pid 5448] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5446] ioctl(4, LOOP_SET_FD, 3 [pid 5442] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5441] exit_group(0 [pid 5450] memfd_create("syzkaller", 0 [pid 5447] <... clone resumed>, parent_tid=[5451], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5451 [pid 5446] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5442] <... futex resumed>) = ? [pid 5441] <... exit_group resumed>) = ? [pid 5450] <... memfd_create resumed>) = 3 [pid 5449] munmap(0x7fc4e5d63000, 262144 [pid 5448] <... clone resumed>, parent_tid=[5452], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5452 [pid 5447] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] ioctl(4, LOOP_CLR_FD [pid 5442] +++ exited with 0 +++ [pid 5449] <... munmap resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5449] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5448] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5446] <... ioctl resumed>) = 0 [pid 5441] +++ exited with 0 +++ [pid 5450] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5449] <... openat resumed>) = 4 [pid 5448] <... futex resumed>) = 0 [pid 5449] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5449] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5449] ioctl(4, LOOP_CLR_FD [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5449] <... ioctl resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5450] <... write resumed>) = 262144 [pid 5001] <... ioctl resumed>) = 0 [pid 5450] munmap(0x7fc4e5d63000, 262144 [pid 5446] ioctl(4, LOOP_SET_FD, 3 [pid 5001] close(3 [pid 5450] <... munmap resumed>) = 0 [pid 5446] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... close resumed>) = 0 ./strace-static-x86_64: Process 5451 attached [pid 5450] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5446] close(4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5452 attached [pid 5451] set_robust_list(0x7fc4ee1839e0, 24 [pid 5450] <... openat resumed>) = 4 [pid 5449] ioctl(4, LOOP_SET_FD, 3 [pid 5446] <... close resumed>) = 0 [pid 5452] set_robust_list(0x7fc4ee1839e0, 24 [pid 5451] <... set_robust_list resumed>) = 0 [pid 5450] ioctl(4, LOOP_SET_FD, 3 [pid 5449] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5446] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5453 [pid 5451] memfd_create("syzkaller", 0 [pid 5450] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5449] close(4 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5451] <... memfd_create resumed>) = 3 [pid 5450] ioctl(4, LOOP_CLR_FD [pid 5449] <... close resumed>) = 0 [pid 5446] <... close resumed>) = 0 [pid 5452] memfd_create("syzkaller", 0 [pid 5451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5450] <... ioctl resumed>) = 0 [pid 5449] close(3 [pid 5446] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5449] <... close resumed>) = 0 [pid 5451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5449] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5449] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5444] <... futex resumed>) = 0 [pid 5449] fspick(AT_FDCWD, ".", 0 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5451] <... write resumed>) = 262144 [pid 5449] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... memfd_create resumed>) = 3 [pid 5451] munmap(0x7fc4e5d63000, 262144 [pid 5449] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5453 attached [pid 5452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5451] <... munmap resumed>) = 0 [pid 5449] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] set_robust_list(0x5555563db5e0, 24 [pid 5452] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5451] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5450] ioctl(4, LOOP_SET_FD, 3 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5451] <... openat resumed>) = 4 [pid 5450] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5449] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5446] fspick(AT_FDCWD, ".", 0 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... set_robust_list resumed>) = 0 [pid 5452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5451] ioctl(4, LOOP_SET_FD, 3 [pid 5450] close(4 [pid 5449] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5446] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5451] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5450] <... close resumed>) = 0 [pid 5449] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5452] <... write resumed>) = 262144 [pid 5451] ioctl(4, LOOP_CLR_FD [pid 5450] close(3 [pid 5449] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5451] <... ioctl resumed>) = 0 [pid 5449] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... close resumed>) = 0 [pid 5446] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5453] <... prctl resumed>) = 0 [pid 5452] munmap(0x7fc4e5d63000, 262144 [pid 5453] setpgid(0, 0 [pid 5450] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5453] <... setpgid resumed>) = 0 [pid 5452] <... munmap resumed>) = 0 [pid 5450] <... futex resumed>) = 1 [pid 5449] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5446] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... futex resumed>) = 0 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5450] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] <... openat resumed>) = 3 [pid 5446] <... futex resumed>) = 0 [pid 5445] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... openat resumed>) = 3 [pid 5452] <... openat resumed>) = 4 [pid 5451] ioctl(4, LOOP_SET_FD, 3 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] <... futex resumed>) = 0 [pid 5443] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] write(3, "1000", 4 [pid 5452] ioctl(4, LOOP_SET_FD, 3 [pid 5451] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5450] fspick(AT_FDCWD, ".", 0 [pid 5449] <... futex resumed>) = 1 [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5453] <... write resumed>) = 4 [pid 5452] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5451] close(4 [pid 5450] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5449] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5444] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] close(3 [pid 5452] ioctl(4, LOOP_CLR_FD [pid 5451] <... close resumed>) = 0 [pid 5450] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5446] <... openat resumed>) = 3 [pid 5444] <... futex resumed>) = 0 [pid 5453] <... close resumed>) = 0 [pid 5452] <... ioctl resumed>) = 0 [pid 5451] close(3 [pid 5450] <... futex resumed>) = 1 [pid 5449] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5446] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... futex resumed>) = 0 [pid 5444] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... close resumed>) = 0 [pid 5450] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5446] <... futex resumed>) = 1 [pid 5445] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5451] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... futex resumed>) = 1 [pid 5449] <... futex resumed>) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5444] <... futex resumed>) = 0 [pid 5443] <... futex resumed>) = 0 [pid 5451] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5449] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5444] exit_group(0 [pid 5443] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5449] <... futex resumed>) = ? [pid 5447] <... futex resumed>) = 0 [pid 5444] <... exit_group resumed>) = ? [pid 5451] fspick(AT_FDCWD, ".", 0 [pid 5449] +++ exited with 0 +++ [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] +++ exited with 0 +++ [pid 5451] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5451] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... futex resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] <... futex resumed>) = 0 [pid 5446] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5445] <... futex resumed>) = 0 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5451] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5447] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5453] <... mmap resumed>) = 0x7fc4ee163000 [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5447] <... futex resumed>) = 0 [pid 5446] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5453] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5452] ioctl(4, LOOP_SET_FD, 3 [pid 5451] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5450] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... futex resumed>) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5453] <... mprotect resumed>) = 0 [pid 5452] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5451] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5450] <... futex resumed>) = 1 [pid 5446] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] <... futex resumed>) = 0 [pid 5443] exit_group(0 [pid 5003] <... ioctl resumed>) = 0 [pid 5453] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5452] close(4 [pid 5451] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] <... futex resumed>) = ? [pid 5445] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5452] <... close resumed>) = 0 [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] <... futex resumed>) = 0 [pid 5446] +++ exited with 0 +++ [pid 5445] <... futex resumed>) = 0 [pid 5443] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5453] <... clone resumed>, parent_tid=[5454], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5454 [pid 5452] close(3 [pid 5451] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5447] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5453] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... close resumed>) = 0 [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... openat resumed>) = 3 [pid 5447] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5450] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5455 ./strace-static-x86_64: Process 5454 attached [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 1 [pid 5451] <... openat resumed>) = 3 [pid 5450] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5454] set_robust_list(0x7fc4ee1839e0, 24 [pid 5452] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... set_robust_list resumed>) = 0 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 1 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5454] memfd_create("syzkaller", 0 [pid 5452] fspick(AT_FDCWD, ".", 0 [pid 5451] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5447] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5450] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5447] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5451] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5450] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5451] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5450] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5451] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] close(3./strace-static-x86_64: Process 5455 attached [pid 5451] <... futex resumed>) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5455] set_robust_list(0x5555563db5e0, 24 [pid 5451] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] exit_group(0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5455] <... set_robust_list resumed>) = 0 [pid 5451] <... futex resumed>) = ? [pid 5447] <... exit_group resumed>) = ? [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5451] +++ exited with 0 +++ [pid 5447] +++ exited with 0 +++ [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5456 [pid 5455] <... prctl resumed>) = 0 [pid 5454] <... memfd_create resumed>) = 3 [pid 5452] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] setpgid(0, 0 [pid 5454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5452] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5455] <... setpgid resumed>) = 0 [pid 5454] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5452] <... futex resumed>) = 0 [pid 5448] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5450] <... futex resumed>) = ? [pid 5448] <... futex resumed>) = 0 [pid 5445] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5455] <... openat resumed>) = 3 [pid 5452] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5450] +++ exited with 0 +++ [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5455] write(3, "1000", 4 [pid 5452] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] +++ exited with 0 +++ [pid 5002] <... ioctl resumed>) = 0 [pid 5455] <... write resumed>) = 4 [pid 5454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5452] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5002] close(3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5455] close(3 [pid 5452] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5456 attached [pid 5455] <... close resumed>) = 0 [pid 5454] <... write resumed>) = 262144 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5456] set_robust_list(0x5555563db5e0, 24 [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] munmap(0x7fc4e5d63000, 262144 [pid 5452] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... set_robust_list resumed>) = 0 [pid 5455] <... futex resumed>) = 0 [pid 5452] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5457 [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5454] <... munmap resumed>) = 0 [pid 5452] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... prctl resumed>) = 0 [pid 5455] <... mmap resumed>) = 0x7fc4ee163000 [pid 5454] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5452] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5457 attached [pid 5456] setpgid(0, 0 [pid 5455] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5454] <... openat resumed>) = 4 [pid 5452] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5457] set_robust_list(0x5555563db5e0, 24 [pid 5456] <... setpgid resumed>) = 0 [pid 5455] <... mprotect resumed>) = 0 [pid 5454] ioctl(4, LOOP_SET_FD, 3 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5455] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5454] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5452] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5448] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5456] <... openat resumed>) = 3 [pid 5454] ioctl(4, LOOP_CLR_FD [pid 5452] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... ioctl resumed>) = 0 [pid 5457] <... prctl resumed>) = 0 [pid 5456] write(3, "1000", 4 [pid 5455] <... clone resumed>, parent_tid=[5458], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5458 [pid 5454] <... ioctl resumed>) = 0 [pid 5452] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5457] setpgid(0, 0 [pid 5456] <... write resumed>) = 4 [pid 5455] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5457] <... setpgid resumed>) = 0 [pid 5456] close(3 [pid 5455] <... futex resumed>) = 0 [pid 5452] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] exit_group(0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5456] <... close resumed>) = 0 [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5452] <... futex resumed>) = ? [pid 5448] <... exit_group resumed>) = ? [pid 5457] <... openat resumed>) = 3 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] ioctl(4, LOOP_SET_FD, 3 [pid 5452] +++ exited with 0 +++ [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5459 [pid 5456] <... futex resumed>) = 0 [pid 5457] write(3, "1000", 4 [pid 5456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5454] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5448] +++ exited with 0 +++ [pid 5457] <... write resumed>) = 4 [pid 5456] <... mmap resumed>) = 0x7fc4ee163000 [pid 5454] close(4 [pid 5457] close(3 [pid 5456] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5454] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5459 attached ./strace-static-x86_64: Process 5458 attached [pid 5457] <... close resumed>) = 0 [pid 5456] <... mprotect resumed>) = 0 [pid 5454] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5459] set_robust_list(0x5555563db5e0, 24 [pid 5458] set_robust_list(0x7fc4ee1839e0, 24 [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... restart_syscall resumed>) = 0 [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5454] <... close resumed>) = 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5458] memfd_create("syzkaller", 0 [pid 5457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5456] <... clone resumed>, parent_tid=[5460], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5460 [pid 5454] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... prctl resumed>) = 0 [pid 5458] <... memfd_create resumed>) = 3 [pid 5457] <... mmap resumed>) = 0x7fc4ee163000 [pid 5456] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5457] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5456] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5458] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5000] <... ioctl resumed>) = 0 [pid 5458] <... write resumed>) = 262144 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5461 [pid 5454] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] setpgid(0, 0 [pid 5457] <... mprotect resumed>) = 0 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5459] <... setpgid resumed>) = 0 [pid 5457] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5454] fspick(AT_FDCWD, ".", 0 [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] munmap(0x7fc4e5d63000, 262144 [pid 5454] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5459] <... openat resumed>) = 3 [pid 5458] <... munmap resumed>) = 0 [pid 5457] <... clone resumed>, parent_tid=[5462], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5462 [pid 5454] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5460 attached [pid 5459] write(3, "1000", 4 [pid 5458] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5457] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5460] set_robust_list(0x7fc4ee1839e0, 24 [pid 5459] <... write resumed>) = 4 [pid 5458] <... openat resumed>) = 4 [pid 5457] <... futex resumed>) = 0 [pid 5454] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5459] close(3 [pid 5458] ioctl(4, LOOP_SET_FD, 3 [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5460] memfd_create("syzkaller", 0 [pid 5459] <... close resumed>) = 0 [pid 5458] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5454] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5462 attached [pid 5460] <... memfd_create resumed>) = 3 [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] ioctl(4, LOOP_CLR_FD [pid 5454] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5461 attached [pid 5462] set_robust_list(0x7fc4ee1839e0, 24 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5459] <... futex resumed>) = 0 [pid 5458] <... ioctl resumed>) = 0 [pid 5454] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... set_robust_list resumed>) = 0 [pid 5461] set_robust_list(0x5555563db5e0, 24 [pid 5460] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5454] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5459] <... mmap resumed>) = 0x7fc4ee163000 [pid 5454] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5459] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5461] <... prctl resumed>) = 0 [pid 5459] <... mprotect resumed>) = 0 [pid 5454] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] setpgid(0, 0 [pid 5459] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5454] <... openat resumed>) = 3 [pid 5461] <... setpgid resumed>) = 0 [pid 5458] ioctl(4, LOOP_SET_FD, 3 [pid 5454] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] memfd_create("syzkaller", 0 [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5459] <... clone resumed>, parent_tid=[5463], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5463 [pid 5458] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5454] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5462] <... memfd_create resumed>) = 3 [pid 5461] <... openat resumed>) = 3 [pid 5459] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] close(4 [pid 5454] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5461] write(3, "1000", 4 [pid 5459] <... futex resumed>) = 0 [pid 5458] <... close resumed>) = 0 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5460] <... write resumed>) = 262144 [pid 5462] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5461] <... write resumed>) = 4 [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5458] close(3 [pid 5454] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5453] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] close(3 [pid 5460] munmap(0x7fc4e5d63000, 262144 [pid 5458] <... close resumed>) = 0 [pid 5454] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5461] <... close resumed>) = 0 [pid 5458] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... munmap resumed>) = 0 [pid 5458] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5454] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5463 attached [pid 5462] <... write resumed>) = 262144 [pid 5461] <... futex resumed>) = 0 [pid 5460] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5458] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] exit_group(0 [pid 5463] set_robust_list(0x7fc4ee1839e0, 24 [pid 5462] munmap(0x7fc4e5d63000, 262144 [pid 5461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5460] <... openat resumed>) = 4 [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5454] <... futex resumed>) = ? [pid 5453] <... exit_group resumed>) = ? [pid 5463] <... set_robust_list resumed>) = 0 [pid 5462] <... munmap resumed>) = 0 [pid 5461] <... mmap resumed>) = 0x7fc4ee163000 [pid 5458] fspick(AT_FDCWD, ".", 0 [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] +++ exited with 0 +++ [pid 5463] memfd_create("syzkaller", 0 [pid 5462] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5461] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5460] ioctl(4, LOOP_SET_FD, 3 [pid 5458] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5453] +++ exited with 0 +++ [pid 5463] <... memfd_create resumed>) = 3 [pid 5462] <... openat resumed>) = 4 [pid 5461] <... mprotect resumed>) = 0 [pid 5460] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5458] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5462] ioctl(4, LOOP_SET_FD, 3 [pid 5461] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5460] ioctl(4, LOOP_CLR_FD [pid 5458] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5463] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5462] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5460] <... ioctl resumed>) = 0 [pid 5458] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5462] ioctl(4, LOOP_CLR_FD [pid 5461] <... clone resumed>, parent_tid=[5464], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5464 [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5464 attached [pid 5463] <... write resumed>) = 262144 [pid 5462] <... ioctl resumed>) = 0 [pid 5461] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5463] munmap(0x7fc4e5d63000, 262144 [pid 5461] <... futex resumed>) = 0 [pid 5458] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... ioctl resumed>) = 0 [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5458] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5463] <... munmap resumed>) = 0 [pid 5458] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5463] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5460] ioctl(4, LOOP_SET_FD, 3 [pid 5458] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5463] <... openat resumed>) = 4 [pid 5460] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5463] ioctl(4, LOOP_SET_FD, 3 [pid 5462] ioctl(4, LOOP_SET_FD, 3 [pid 5460] close(4 [pid 5458] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5465 [pid 5463] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5462] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5460] <... close resumed>) = 0 [pid 5458] <... openat resumed>) = 3 [pid 5464] set_robust_list(0x7fc4ee1839e0, 24 [pid 5463] ioctl(4, LOOP_CLR_FD [pid 5462] close(4 [pid 5460] close(3 [pid 5458] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... ioctl resumed>) = 0 [pid 5462] <... close resumed>) = 0 [pid 5458] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5458] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... close resumed>) = 0 [pid 5462] close(3 [pid 5464] <... set_robust_list resumed>) = 0 [pid 5460] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5462] <... close resumed>) = 0 [pid 5458] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5455] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... futex resumed>) = 1 [pid 5456] <... futex resumed>) = 0 [pid 5464] memfd_create("syzkaller", 0 [pid 5463] ioctl(4, LOOP_SET_FD, 3 [pid 5462] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5456] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... memfd_create resumed>) = 3 [pid 5463] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 [pid 5464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5463] close(4 [pid 5462] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] fspick(AT_FDCWD, ".", 0 [pid 5458] <... futex resumed>) = 1 [pid 5457] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... futex resumed>) = 0 [pid 5464] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5463] <... close resumed>) = 0 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5458] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5457] <... futex resumed>) = 0 [pid 5455] exit_group(0 [pid 5463] close(3 [pid 5462] fspick(AT_FDCWD, ".", 0 [pid 5460] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = ? [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5465 attached [pid 5464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5463] <... close resumed>) = 0 [pid 5462] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5460] <... futex resumed>) = 1 [pid 5458] +++ exited with 0 +++ [pid 5456] <... futex resumed>) = 0 [pid 5455] +++ exited with 0 +++ [pid 5465] set_robust_list(0x5555563db5e0, 24 [pid 5463] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5465] <... set_robust_list resumed>) = 0 [pid 5464] <... write resumed>) = 262144 [pid 5463] <... futex resumed>) = 1 [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] munmap(0x7fc4e5d63000, 262144 [pid 5463] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5459] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... prctl resumed>) = 0 [pid 5464] <... munmap resumed>) = 0 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5459] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5465] setpgid(0, 0 [pid 5464] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5463] fspick(AT_FDCWD, ".", 0 [pid 5462] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5460] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5465] <... setpgid resumed>) = 0 [pid 5464] <... openat resumed>) = 4 [pid 5463] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5462] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5460] <... futex resumed>) = 1 [pid 5456] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] ioctl(4, LOOP_SET_FD, 3 [pid 5463] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5465] <... openat resumed>) = 3 [pid 5464] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5463] <... futex resumed>) = 1 [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5465] write(3, "1000", 4 [pid 5464] ioctl(4, LOOP_CLR_FD [pid 5463] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5459] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5465] <... write resumed>) = 4 [pid 5464] <... ioctl resumed>) = 0 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... openat resumed>) = 3 [pid 5459] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5465] close(3 [pid 5463] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5462] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5460] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... close resumed>) = 0 [pid 5463] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5462] <... openat resumed>) = 3 [pid 5460] <... futex resumed>) = 1 [pid 5456] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5466 [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5456] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... futex resumed>) = 0 [pid 5464] ioctl(4, LOOP_SET_FD, 3 [pid 5463] <... futex resumed>) = 1 [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5466 attached [pid 5465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5464] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5463] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5459] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... mmap resumed>) = 0x7fc4ee163000 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... futex resumed>) = 0 [pid 5465] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5463] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... mprotect resumed>) = 0 [pid 5463] <... openat resumed>) = 3 [pid 5465] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5464] close(4 [pid 5463] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5457] <... futex resumed>) = 0 [pid 5464] <... close resumed>) = 0 [pid 5463] <... futex resumed>) = 1 [pid 5462] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5460] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... futex resumed>) = 0 [pid 5457] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... clone resumed>, parent_tid=[5467], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5467 [pid 5464] close(3 [pid 5463] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5460] <... futex resumed>) = 1 [pid 5459] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = 0 [pid 5465] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... close resumed>) = 0 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] <... futex resumed>) = 0 [pid 5456] exit_group(0 [pid 5465] <... futex resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5462] <... futex resumed>) = 1 [pid 5460] <... futex resumed>) = ? [pid 5459] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] <... futex resumed>) = 0 [pid 5456] <... exit_group resumed>) = ? [pid 5466] set_robust_list(0x5555563db5e0, 24 [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5464] <... futex resumed>) = 1 [pid 5463] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5462] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] <... futex resumed>) = 0 [pid 5460] +++ exited with 0 +++ [pid 5457] exit_group(0 [pid 5463] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] +++ exited with 0 +++ [pid 5466] <... set_robust_list resumed>) = 0 [pid 5464] fspick(AT_FDCWD, ".", 0 [pid 5463] <... futex resumed>) = 1 [pid 5462] <... futex resumed>) = ? [pid 5461] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = 0 [pid 5457] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5463] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] +++ exited with 0 +++ [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5459] exit_group(0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5463] <... futex resumed>) = ? [pid 5459] <... exit_group resumed>) = ? [pid 5457] +++ exited with 0 +++ [pid 5004] <... restart_syscall resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... prctl resumed>) = 0 [pid 5464] <... futex resumed>) = 1 [pid 5463] +++ exited with 0 +++ [pid 5461] <... futex resumed>) = 0 [pid 5459] +++ exited with 0 +++ [pid 5466] setpgid(0, 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5466] <... setpgid resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5467 attached [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5467] set_robust_list(0x7fc4ee1839e0, 24 [pid 5466] <... openat resumed>) = 3 [pid 5464] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5467] <... set_robust_list resumed>) = 0 [pid 5466] write(3, "1000", 4 [pid 5464] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] <... openat resumed>) = 3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5467] memfd_create("syzkaller", 0 [pid 5466] <... write resumed>) = 4 [pid 5464] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5467] <... memfd_create resumed>) = 3 [pid 5466] close(3 [pid 5464] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5002] <... ioctl resumed>) = 0 [pid 5467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5466] <... close resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5002] close(3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5467] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... close resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5466] <... futex resumed>) = 0 [pid 5464] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5464] <... openat resumed>) = 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5468 [pid 4999] <... ioctl resumed>) = 0 [pid 5467] <... write resumed>) = 262144 [pid 5466] <... mmap resumed>) = 0x7fc4ee163000 [pid 5464] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5469 [pid 4999] close(3 [pid 5467] munmap(0x7fc4e5d63000, 262144 [pid 5466] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5464] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5467] <... munmap resumed>) = 0 [pid 5466] <... mprotect resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5468 attached [pid 5467] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5466] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] <... futex resumed>) = 0 [pid 5467] <... openat resumed>) = 4 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5470 [pid 5467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5467] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5469 attached [pid 5469] set_robust_list(0x5555563db5e0, 24 [pid 5467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5467] close(4) = 0 [pid 5467] close(3) = 0 [pid 5467] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5464] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5461] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... set_robust_list resumed>) = 0 [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] set_robust_list(0x5555563db5e0, 24 [pid 5467] fspick(AT_FDCWD, ".", 0 [pid 5466] <... clone resumed>, parent_tid=[5471], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5471 [pid 5465] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5469] <... prctl resumed>) = 0 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5466] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... futex resumed>) = 0 [pid 5464] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] setpgid(0, 0 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5467] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = 0 [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5470 attached [pid 5469] <... setpgid resumed>) = 0 [pid 5468] <... prctl resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] exit_group(0 [pid 5470] set_robust_list(0x5555563db5e0, 24 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5468] setpgid(0, 0 [pid 5467] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = ? [pid 5461] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5471 attached [pid 5470] <... set_robust_list resumed>) = 0 [pid 5469] <... openat resumed>) = 3 [pid 5468] <... setpgid resumed>) = 0 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5465] <... futex resumed>) = 0 [pid 5464] +++ exited with 0 +++ [pid 5471] set_robust_list(0x7fc4ee1839e0, 24 [pid 5469] write(3, "1000", 4 [pid 5467] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] +++ exited with 0 +++ [pid 5471] <... set_robust_list resumed>) = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5469] <... write resumed>) = 4 [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5467] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5471] memfd_create("syzkaller", 0 [pid 5470] <... prctl resumed>) = 0 [pid 5469] close(3 [pid 5468] <... openat resumed>) = 3 [pid 5467] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5471] <... memfd_create resumed>) = 3 [pid 5470] setpgid(0, 0 [pid 5469] <... close resumed>) = 0 [pid 5468] write(3, "1000", 4 [pid 5467] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5470] <... setpgid resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... write resumed>) = 4 [pid 5467] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5469] <... futex resumed>) = 0 [pid 5468] close(3 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5465] <... futex resumed>) = 0 [pid 5471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5470] <... openat resumed>) = 3 [pid 5469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] <... close resumed>) = 0 [pid 5467] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5471] <... write resumed>) = 262144 [pid 5470] write(3, "1000", 4 [pid 5469] <... mmap resumed>) = 0x7fc4ee163000 [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5471] munmap(0x7fc4e5d63000, 262144 [pid 5470] <... write resumed>) = 4 [pid 5469] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5468] <... futex resumed>) = 0 [pid 5467] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5471] <... munmap resumed>) = 0 [pid 5470] close(3 [pid 5469] <... mprotect resumed>) = 0 [pid 5468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5467] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5471] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5470] <... close resumed>) = 0 [pid 5469] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5468] <... mmap resumed>) = 0x7fc4ee163000 [pid 5467] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5471] <... openat resumed>) = 4 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5465] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5471] ioctl(4, LOOP_SET_FD, 3 [pid 5469] <... clone resumed>, parent_tid=[5472], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5472 [pid 5467] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5465] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5471] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5469] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5471] ioctl(4, LOOP_CLR_FD [pid 5469] <... futex resumed>) = 0 [pid 5467] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5473 [pid 5471] <... ioctl resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5467] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 0 [pid 5467] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] exit_group(0 [pid 5467] <... futex resumed>) = ? [pid 5465] <... exit_group resumed>) = ? [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5467] +++ exited with 0 +++ [pid 5465] +++ exited with 0 +++ [pid 5471] ioctl(4, LOOP_SET_FD, 3 [pid 5470] <... futex resumed>) = 0 [pid 5468] <... mprotect resumed>) = 0 [pid 5471] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5471] close(4 [pid 5470] <... mmap resumed>) = 0x7fc4ee163000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5471] <... close resumed>) = 0 [pid 5470] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5468] <... clone resumed>, parent_tid=[5474], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5474 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5471] close(3 [pid 5470] <... mprotect resumed>) = 0 [pid 5468] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... close resumed>) = 0 [pid 5470] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5468] <... futex resumed>) = 0 [pid 5471] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5471] <... futex resumed>) = 1 [pid 5470] <... clone resumed>, parent_tid=[5475], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5475 [pid 5466] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5471] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] <... futex resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5472 attached [pid 5471] fspick(AT_FDCWD, ".", 0 [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5472] set_robust_list(0x7fc4ee1839e0, 24 [pid 5471] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5471] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached [pid 5471] <... futex resumed>) = 1 [pid 5466] <... futex resumed>) = 0 [pid 5474] set_robust_list(0x7fc4ee1839e0, 24 [pid 5471] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5476 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5466] <... futex resumed>) = 0 [pid 5474] memfd_create("syzkaller", 0 [pid 5471] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... memfd_create resumed>) = 3 [pid 5471] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5471] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5471] <... futex resumed>) = 1 [pid 5466] <... futex resumed>) = 0 [pid 5471] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5466] <... futex resumed>) = 0 [pid 5471] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... openat resumed>) = 3 [pid 5472] <... set_robust_list resumed>) = 0 [pid 5471] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... write resumed>) = 262144 [pid 5471] <... futex resumed>) = 1 [pid 5466] <... futex resumed>) = 0 [pid 5471] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5466] <... futex resumed>) = 0 [pid 5471] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5466] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5476 attached [pid 5471] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5476] set_robust_list(0x5555563db5e0, 24 [pid 5471] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... set_robust_list resumed>) = 0 [pid 5474] munmap(0x7fc4e5d63000, 262144 [pid 5471] <... futex resumed>) = 1 [pid 5466] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5475 attached ./strace-static-x86_64: Process 5473 attached [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5474] <... munmap resumed>) = 0 [pid 5472] memfd_create("syzkaller", 0 [pid 5471] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] exit_group(0 [pid 5476] <... prctl resumed>) = 0 [pid 5475] set_robust_list(0x7fc4ee1839e0, 24 [pid 5474] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5473] set_robust_list(0x5555563db5e0, 24 [pid 5472] <... memfd_create resumed>) = 3 [pid 5471] <... futex resumed>) = ? [pid 5466] <... exit_group resumed>) = ? [pid 5476] setpgid(0, 0 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5474] <... openat resumed>) = 4 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5471] +++ exited with 0 +++ [pid 5466] +++ exited with 0 +++ [pid 5476] <... setpgid resumed>) = 0 [pid 5475] memfd_create("syzkaller", 0 [pid 5474] ioctl(4, LOOP_SET_FD, 3 [pid 5472] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] <... memfd_create resumed>) = 3 [pid 5474] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... openat resumed>) = 3 [pid 5474] ioctl(4, LOOP_CLR_FD [pid 5476] write(3, "1000", 4 [pid 5474] <... ioctl resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5476] <... write resumed>) = 4 [pid 5475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5473] <... prctl resumed>) = 0 [pid 5472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5003] <... openat resumed>) = 3 [pid 5476] close(3 [pid 5475] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5473] setpgid(0, 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5476] <... close resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... setpgid resumed>) = 0 [pid 5472] <... write resumed>) = 262144 [pid 5003] close(3 [pid 5476] <... futex resumed>) = 0 [pid 5474] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... close resumed>) = 0 [pid 5476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5474] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5476] <... mmap resumed>) = 0x7fc4ee163000 [pid 5475] <... write resumed>) = 262144 [pid 5474] close(4 [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] munmap(0x7fc4e5d63000, 262144 [pid 5476] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5475] munmap(0x7fc4e5d63000, 262144 [pid 5474] <... close resumed>) = 0 [pid 5473] <... openat resumed>) = 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5477 [pid 5476] <... mprotect resumed>) = 0 [pid 5475] <... munmap resumed>) = 0 [pid 5474] close(3 [pid 5473] write(3, "1000", 4 [pid 5472] <... munmap resumed>) = 0 [pid 5476] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5475] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5474] <... close resumed>) = 0 [pid 5473] <... write resumed>) = 4 [pid 5472] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5475] <... openat resumed>) = 4 [pid 5474] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] close(3 [pid 5472] <... openat resumed>) = 4 [pid 5476] <... clone resumed>, parent_tid=[5478], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5478 [pid 5475] ioctl(4, LOOP_SET_FD, 3 [pid 5474] <... futex resumed>) = 1 [pid 5473] <... close resumed>) = 0 [pid 5472] ioctl(4, LOOP_SET_FD, 3 [pid 5468] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5474] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5468] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5477 attached [pid 5476] <... futex resumed>) = 0 [pid 5475] ioctl(4, LOOP_CLR_FD [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5472] ioctl(4, LOOP_CLR_FD [pid 5468] <... futex resumed>) = 0 [pid 5477] set_robust_list(0x5555563db5e0, 24 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5474] fspick(AT_FDCWD, ".", 0 [pid 5477] <... set_robust_list resumed>) = 0 [pid 5474] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5474] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... prctl resumed>) = 0 [pid 5474] <... futex resumed>) = 0 [pid 5477] setpgid(0, 0 [pid 5474] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5477] <... setpgid resumed>) = 0 [pid 5477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5477] write(3, "1000", 4) = 4 [pid 5477] close(3) = 0 [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5472] <... ioctl resumed>) = 0 [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5475] <... ioctl resumed>) = 0 [pid 5473] <... mmap resumed>) = 0x7fc4ee163000 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5473] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5468] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = 0 [pid 5473] <... mprotect resumed>) = 0 [pid 5468] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5478 attached [pid 5477] <... clone resumed>, parent_tid=[5479], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5479 [pid 5474] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5473] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5478] set_robust_list(0x7fc4ee1839e0, 24 [pid 5477] <... futex resumed>) = 0 [pid 5474] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] ioctl(4, LOOP_SET_FD, 3 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] <... set_robust_list resumed>) = 0 [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5475] ioctl(4, LOOP_SET_FD, 3 [pid 5474] <... futex resumed>) = 0 [pid 5473] <... clone resumed>, parent_tid=[5480], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5480 [pid 5472] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5468] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] memfd_create("syzkaller", 0 [pid 5475] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5474] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5473] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] close(4 [pid 5468] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5480 attached [pid 5478] <... memfd_create resumed>) = 3 [pid 5475] close(4 [pid 5474] <... openat resumed>) = 3 [pid 5473] <... futex resumed>) = 0 [pid 5472] <... close resumed>) = 0 [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] set_robust_list(0x7fc4ee1839e0, 24 [pid 5478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5475] <... close resumed>) = 0 [pid 5474] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5472] close(3 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... set_robust_list resumed>) = 0 [pid 5478] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5475] close(3 [pid 5474] <... futex resumed>) = 0 [pid 5474] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5479 attached [pid 5472] <... close resumed>) = 0 [pid 5468] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5475] <... close resumed>) = 0 [pid 5474] <... futex resumed>) = 0 [pid 5472] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = 1 [pid 5475] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5472] <... futex resumed>) = 1 [pid 5469] <... futex resumed>) = 0 [pid 5468] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] <... futex resumed>) = 1 [pid 5474] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5472] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5480] memfd_create("syzkaller", 0 [pid 5479] memfd_create("syzkaller", 0 [pid 5475] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = 0 [pid 5479] <... memfd_create resumed>) = 3 [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5474] <... futex resumed>) = 1 [pid 5472] fspick(AT_FDCWD, ".", 0 [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... futex resumed>) = 0 [pid 5480] <... memfd_create resumed>) = 3 [pid 5478] <... write resumed>) = 262144 [pid 5480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5478] munmap(0x7fc4e5d63000, 262144 [pid 5475] fspick(AT_FDCWD, ".", 0 [pid 5474] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] exit_group(0 [pid 5479] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5475] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5474] <... futex resumed>) = ? [pid 5472] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... exit_group resumed>) = ? [pid 5480] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5478] <... munmap resumed>) = 0 [pid 5475] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] +++ exited with 0 +++ [pid 5472] <... futex resumed>) = 1 [pid 5469] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 1 [pid 5472] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] +++ exited with 0 +++ [pid 5479] <... write resumed>) = 262144 [pid 5475] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5470] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5475] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5472] <... futex resumed>) = 0 [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5479] munmap(0x7fc4e5d63000, 262144 [pid 5478] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5475] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5472] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... munmap resumed>) = 0 [pid 5478] <... openat resumed>) = 4 [pid 5475] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5469] <... futex resumed>) = 0 [pid 5480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5479] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5478] ioctl(4, LOOP_SET_FD, 3 [pid 5475] <... futex resumed>) = 1 [pid 5472] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5479] <... openat resumed>) = 4 [pid 5478] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5475] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... openat resumed>) = 3 [pid 5470] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5479] ioctl(4, LOOP_SET_FD, 3 [pid 5478] ioctl(4, LOOP_CLR_FD [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5480] <... write resumed>) = 262144 [pid 5479] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5478] <... ioctl resumed>) = 0 [pid 5475] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5472] <... futex resumed>) = 1 [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5480] munmap(0x7fc4e5d63000, 262144 [pid 5479] ioctl(4, LOOP_CLR_FD [pid 5475] <... openat resumed>) = 3 [pid 5472] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5469] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5480] <... munmap resumed>) = 0 [pid 5479] <... ioctl resumed>) = 0 [pid 5475] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5469] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5480] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5475] <... futex resumed>) = 1 [pid 5472] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... futex resumed>) = 0 [pid 5469] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5480] <... openat resumed>) = 4 [pid 5478] ioctl(4, LOOP_SET_FD, 3 [pid 5475] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5472] <... futex resumed>) = 0 [pid 5470] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] ioctl(4, LOOP_SET_FD, 3 [pid 5478] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5472] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... futex resumed>) = 0 [pid 5469] exit_group(0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5481 [pid 5480] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5479] ioctl(4, LOOP_SET_FD, 3 [pid 5478] close(4 [pid 5475] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5472] <... futex resumed>) = ? [pid 5470] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] <... exit_group resumed>) = ? [pid 5480] ioctl(4, LOOP_CLR_FD [pid 5479] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5478] <... close resumed>) = 0 [pid 5475] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5472] +++ exited with 0 +++ [pid 5469] +++ exited with 0 +++ [pid 5480] <... ioctl resumed>) = 0 [pid 5479] close(4 [pid 5478] close(3 [pid 5475] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5479] <... close resumed>) = 0 [pid 5479] close(3 [pid 5478] <... close resumed>) = 0 [pid 5475] <... futex resumed>) = 1 [pid 5470] <... futex resumed>) = 0 [pid 5479] <... close resumed>) = 0 [pid 5478] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5480] ioctl(4, LOOP_SET_FD, 3 [pid 5479] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = 1 [pid 5476] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = ? [pid 5470] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5480] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5479] <... futex resumed>) = 1 [pid 5478] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5477] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5480] close(4 [pid 5479] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 0 [pid 5470] +++ exited with 0 +++ [pid 5002] <... ioctl resumed>) = 0 [pid 5480] <... close resumed>) = 0 [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] fspick(AT_FDCWD, ".", 0 [pid 5477] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3./strace-static-x86_64: Process 5481 attached [pid 5480] close(3 [pid 5479] fspick(AT_FDCWD, ".", 0 [pid 5478] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5481] set_robust_list(0x5555563db5e0, 24 [pid 5479] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5481] <... set_robust_list resumed>) = 0 [pid 5479] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5479] <... futex resumed>) = 1 [pid 5477] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5482 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5481] <... prctl resumed>) = 0 [pid 5479] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5477] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5481] setpgid(0, 0 [pid 5480] <... close resumed>) = 0 [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5481] <... setpgid resumed>) = 0 [pid 5480] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5478] <... futex resumed>) = 1 [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5480] <... futex resumed>) = 1 [pid 5479] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5478] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5481] <... openat resumed>) = 3 [pid 5480] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5473] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] write(3, "1000", 4 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5479] <... futex resumed>) = 1 [pid 5478] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5477] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5473] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5483 ./strace-static-x86_64: Process 5482 attached [pid 5481] <... write resumed>) = 4 [pid 5480] fspick(AT_FDCWD, ".", 0 [pid 5479] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5477] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] set_robust_list(0x5555563db5e0, 24 [pid 5481] close(3 [pid 5480] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = 0 [pid 5482] <... set_robust_list resumed>) = 0 [pid 5481] <... close resumed>) = 0 [pid 5480] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5478] <... futex resumed>) = 1 [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... futex resumed>) = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = 1 [pid 5479] <... openat resumed>) = 3 [pid 5478] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 0 [pid 5482] <... prctl resumed>) = 0 [pid 5481] <... futex resumed>) = 0 [pid 5480] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5473] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] setpgid(0, 0 [pid 5481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5479] <... futex resumed>) = 1 [pid 5478] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5477] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5473] <... futex resumed>) = 0 [pid 5482] <... setpgid resumed>) = 0 [pid 5481] <... mmap resumed>) = 0x7fc4ee163000 [pid 5480] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5479] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... openat resumed>) = 3 [pid 5477] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5483 attached [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5481] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5480] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... futex resumed>) = 0 [pid 5483] set_robust_list(0x5555563db5e0, 24 [pid 5482] <... openat resumed>) = 3 [pid 5481] <... mprotect resumed>) = 0 [pid 5480] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5478] <... futex resumed>) = 1 [pid 5477] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... futex resumed>) = 0 [pid 5483] <... set_robust_list resumed>) = 0 [pid 5482] write(3, "1000", 4 [pid 5481] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5480] <... futex resumed>) = 1 [pid 5479] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5478] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 0 [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5482] <... write resumed>) = 4 [pid 5480] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5473] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... prctl resumed>) = 0 [pid 5482] close(3 [pid 5481] <... clone resumed>, parent_tid=[5484], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5484 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5479] <... futex resumed>) = 1 [pid 5478] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5477] <... futex resumed>) = 0 [pid 5476] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5473] <... futex resumed>) = 0 [pid 5483] setpgid(0, 0 [pid 5482] <... close resumed>) = 0 [pid 5481] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5479] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5477] exit_group(0 [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5484 attached [pid 5483] <... setpgid resumed>) = 0 [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = 0 [pid 5480] <... openat resumed>) = 3 [pid 5479] <... futex resumed>) = ? [pid 5478] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... exit_group resumed>) = ? [pid 5484] set_robust_list(0x7fc4ee1839e0, 24 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] <... futex resumed>) = 0 [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5480] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] +++ exited with 0 +++ [pid 5478] <... futex resumed>) = 1 [pid 5477] +++ exited with 0 +++ [pid 5476] <... futex resumed>) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5483] <... openat resumed>) = 3 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5480] <... futex resumed>) = 1 [pid 5478] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] exit_group(0 [pid 5473] <... futex resumed>) = 0 [pid 5484] memfd_create("syzkaller", 0 [pid 5483] write(3, "1000", 4 [pid 5482] <... mmap resumed>) = 0x7fc4ee163000 [pid 5480] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... futex resumed>) = ? [pid 5476] <... exit_group resumed>) = ? [pid 5473] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5477, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5483] <... write resumed>) = 4 [pid 5482] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] +++ exited with 0 +++ [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5484] <... memfd_create resumed>) = 3 [pid 5483] close(3 [pid 5482] <... mprotect resumed>) = 0 [pid 5480] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5476] +++ exited with 0 +++ [pid 5473] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5483] <... close resumed>) = 0 [pid 5482] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5480] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5473] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5484] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5483] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... restart_syscall resumed>) = 0 [pid 5483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... openat resumed>) = 3 [pid 5484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5483] <... mmap resumed>) = 0x7fc4ee163000 [pid 5482] <... clone resumed>, parent_tid=[5485], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5485 [pid 5480] <... futex resumed>) = 0 [pid 5473] exit_group(0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5483] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5482] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... exit_group resumed>) = ? [pid 5003] <... ioctl resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5484] <... write resumed>) = 262144 [pid 5483] <... mprotect resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5480] +++ exited with 0 +++ [pid 5003] close(3 [pid 5001] <... openat resumed>) = 3 [pid 5484] munmap(0x7fc4e5d63000, 262144 [pid 5483] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5473] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5484] <... munmap resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5484] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5483] <... clone resumed>, parent_tid=[5486], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5486 [pid 5001] close(3 [pid 5484] <... openat resumed>) = 4 [pid 5483] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5487 [pid 5001] <... close resumed>) = 0 [pid 5484] ioctl(4, LOOP_SET_FD, 3 [pid 5483] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5485 attached [pid 5484] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5485] set_robust_list(0x7fc4ee1839e0, 24 [pid 5484] ioctl(4, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5488 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5489 ./strace-static-x86_64: Process 5486 attached [pid 5486] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5486] memfd_create("syzkaller", 0) = 3 [pid 5486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5488 attached [pid 5485] <... set_robust_list resumed>) = 0 [pid 5484] <... ioctl resumed>) = 0 [pid 5485] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5487 attached [pid 5486] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5488] set_robust_list(0x5555563db5e0, 24 [pid 5487] set_robust_list(0x5555563db5e0, 24 [pid 5486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5485] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5489 attached [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5484] ioctl(4, LOOP_SET_FD, 3 [pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5484] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5489] set_robust_list(0x5555563db5e0, 24 [pid 5488] <... prctl resumed>) = 0 [pid 5487] <... prctl resumed>) = 0 [pid 5484] close(4 [pid 5488] setpgid(0, 0 [pid 5484] <... close resumed>) = 0 [pid 5488] <... setpgid resumed>) = 0 [pid 5484] close(3 [pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5488] write(3, "1000", 4 [pid 5484] <... close resumed>) = 0 [pid 5489] <... set_robust_list resumed>) = 0 [pid 5488] <... write resumed>) = 4 [pid 5487] setpgid(0, 0 [pid 5485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5484] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] close(3 [pid 5487] <... setpgid resumed>) = 0 [pid 5484] <... futex resumed>) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5488] <... close resumed>) = 0 [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5484] fspick(AT_FDCWD, ".", 0 [pid 5481] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... openat resumed>) = 3 [pid 5486] <... write resumed>) = 262144 [pid 5484] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5481] <... futex resumed>) = 0 [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5488] <... futex resumed>) = 0 [pid 5487] write(3, "1000", 4 [pid 5485] <... write resumed>) = 262144 [pid 5484] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... prctl resumed>) = 0 [pid 5488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5487] <... write resumed>) = 4 [pid 5486] munmap(0x7fc4e5d63000, 262144 [pid 5485] munmap(0x7fc4e5d63000, 262144 [pid 5484] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] setpgid(0, 0 [pid 5488] <... mmap resumed>) = 0x7fc4ee163000 [pid 5487] close(3 [pid 5486] <... munmap resumed>) = 0 [pid 5485] <... munmap resumed>) = 0 [pid 5484] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... setpgid resumed>) = 0 [pid 5488] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5487] <... close resumed>) = 0 [pid 5486] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5485] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5481] <... futex resumed>) = 0 [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] <... mprotect resumed>) = 0 [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... openat resumed>) = 4 [pid 5485] <... openat resumed>) = 4 [pid 5484] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... openat resumed>) = 3 [pid 5488] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5487] <... futex resumed>) = 0 [pid 5486] ioctl(4, LOOP_SET_FD, 3 [pid 5485] ioctl(4, LOOP_SET_FD, 3 [pid 5484] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5489] write(3, "1000", 4 [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5486] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5485] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5484] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... write resumed>) = 4 [pid 5488] <... clone resumed>, parent_tid=[5490], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5490 [pid 5489] close(3 [pid 5488] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... mmap resumed>) = 0x7fc4ee163000 [pid 5486] ioctl(4, LOOP_CLR_FD [pid 5485] ioctl(4, LOOP_CLR_FD [pid 5484] <... futex resumed>) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5489] <... close resumed>) = 0 [pid 5488] <... futex resumed>) = 0 [pid 5487] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5486] <... ioctl resumed>) = 0 [pid 5485] <... ioctl resumed>) = 0 [pid 5484] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5481] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5487] <... mprotect resumed>) = 0 [pid 5481] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = 0 [pid 5487] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5484] <... openat resumed>) = 3 [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5490 attached [pid 5490] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5486] close(4) = 0 [pid 5486] close(3 [pid 5490] memfd_create("syzkaller", 0 [pid 5486] <... close resumed>) = 0 [pid 5490] <... memfd_create resumed>) = 3 [pid 5486] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5486] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5490] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5486] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] <... futex resumed>) = 0 [pid 5489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5486] fspick(AT_FDCWD, ".", 0 [pid 5484] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... mmap resumed>) = 0x7fc4ee163000 [pid 5487] <... clone resumed>, parent_tid=[5491], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5491 [pid 5486] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5485] ioctl(4, LOOP_SET_FD, 3 [pid 5484] <... futex resumed>) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5489] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5487] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5484] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5481] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... mprotect resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5486] <... futex resumed>) = 1 [pid 5485] close(4 [pid 5484] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5483] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5491 attached [pid 5490] <... write resumed>) = 262144 [pid 5489] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5486] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] <... close resumed>) = 0 [pid 5484] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] set_robust_list(0x7fc4ee1839e0, 24 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] close(3 [pid 5484] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] munmap(0x7fc4e5d63000, 262144 [pid 5489] <... clone resumed>, parent_tid=[5492], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5492 [pid 5486] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5481] exit_group(0 [pid 5490] <... munmap resumed>) = 0 [pid 5489] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5485] <... close resumed>) = 0 [pid 5481] <... exit_group resumed>) = ? [pid 5490] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5489] <... futex resumed>) = 0 [pid 5486] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] +++ exited with 0 +++ [pid 5481] +++ exited with 0 +++ [pid 5491] memfd_create("syzkaller", 0 [pid 5490] <... openat resumed>) = 4 [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5491] <... memfd_create resumed>) = 3 [pid 5490] ioctl(4, LOOP_SET_FD, 3 [pid 5486] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5490] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5491] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5490] ioctl(4, LOOP_CLR_FD [pid 5486] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5485] fspick(AT_FDCWD, ".", 0 [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5490] <... ioctl resumed>) = 0 [pid 5486] <... openat resumed>) = 3 [pid 5485] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5486] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5486] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5491] <... write resumed>) = 262144 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5491] munmap(0x7fc4e5d63000, 262144 [pid 5490] ioctl(4, LOOP_SET_FD, 3 [pid 5486] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5485] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5483] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5492 attached [pid 5491] <... munmap resumed>) = 0 [pid 5490] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5486] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5485] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5492] set_robust_list(0x7fc4ee1839e0, 24 [pid 5491] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5490] close(4 [pid 5486] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5493 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5491] <... openat resumed>) = 4 [pid 5490] <... close resumed>) = 0 [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5492] memfd_create("syzkaller", 0 [pid 5491] ioctl(4, LOOP_SET_FD, 3 [pid 5490] close(3 [pid 5486] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] exit_group(0 [pid 5482] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... memfd_create resumed>) = 3 [pid 5491] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5490] <... close resumed>) = 0 [pid 5486] <... futex resumed>) = ? [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] <... exit_group resumed>) = ? [pid 5482] <... futex resumed>) = 0 [pid 5492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5491] ioctl(4, LOOP_CLR_FD [pid 5490] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] +++ exited with 0 +++ [pid 5485] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5483] +++ exited with 0 +++ [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5491] <... ioctl resumed>) = 0 [pid 5490] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5485] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5490] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5490] fspick(AT_FDCWD, ".", 0 [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5493 attached [pid 5491] ioctl(4, LOOP_SET_FD, 3 [pid 5490] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5482] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... write resumed>) = 262144 [pid 5493] set_robust_list(0x5555563db5e0, 24 [pid 5491] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5490] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5485] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] munmap(0x7fc4e5d63000, 262144 [pid 5491] close(4 [pid 5490] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5492] <... munmap resumed>) = 0 [pid 5491] <... close resumed>) = 0 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5493] <... prctl resumed>) = 0 [pid 5492] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5491] close(3 [pid 5490] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] exit_group(0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5493] setpgid(0, 0 [pid 5492] <... openat resumed>) = 4 [pid 5491] <... close resumed>) = 0 [pid 5490] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5485] <... futex resumed>) = ? [pid 5482] <... exit_group resumed>) = ? [pid 4999] <... ioctl resumed>) = 0 [pid 5493] <... setpgid resumed>) = 0 [pid 5492] ioctl(4, LOOP_SET_FD, 3 [pid 5491] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] +++ exited with 0 +++ [pid 4999] close(3 [pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5492] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5491] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5482] +++ exited with 0 +++ [pid 4999] <... close resumed>) = 0 [pid 5493] <... openat resumed>) = 3 [pid 5492] ioctl(4, LOOP_CLR_FD [pid 5491] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] write(3, "1000", 4 [pid 5492] <... ioctl resumed>) = 0 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5493] <... write resumed>) = 4 [pid 5491] fspick(AT_FDCWD, ".", 0 [pid 5490] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5494 [pid 5493] close(3 [pid 5491] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5490] <... openat resumed>) = 3 [pid 5493] <... close resumed>) = 0 [pid 5492] ioctl(4, LOOP_SET_FD, 3 [pid 5491] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5491] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5494 attached [pid 5493] <... futex resumed>) = 0 [pid 5492] close(4 [pid 5491] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5494] set_robust_list(0x5555563db5e0, 24 [pid 5493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5492] <... close resumed>) = 0 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5493] <... mmap resumed>) = 0x7fc4ee163000 [pid 5490] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5488] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5493] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5490] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... ioctl resumed>) = 0 [pid 5493] <... mprotect resumed>) = 0 [pid 5490] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5493] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5490] <... futex resumed>) = 1 [pid 5488] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5490] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5488] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... clone resumed>, parent_tid=[5495], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5495 [pid 5490] <... futex resumed>) = ? [pid 5488] <... exit_group resumed>) = ? [pid 5493] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] +++ exited with 0 +++ [pid 5488] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5496 [pid 5487] <... futex resumed>) = 0 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5493] <... futex resumed>) = 0 [pid 5492] close(3 [pid 5491] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5492] <... close resumed>) = 0 [pid 5491] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5494] <... prctl resumed>) = 0 [pid 5492] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5494] setpgid(0, 0 [pid 5492] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5494] <... setpgid resumed>) = 0 [pid 5492] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5494] <... openat resumed>) = 3 [pid 5492] fspick(AT_FDCWD, ".", 0 [pid 5491] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 ./strace-static-x86_64: Process 5496 attached [pid 5494] write(3, "1000", 4 [pid 5492] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5491] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] set_robust_list(0x5555563db5e0, 24 [pid 5494] <... write resumed>) = 4 [pid 5492] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5494] close(3 [pid 5492] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5497 ./strace-static-x86_64: Process 5495 attached [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5494] <... close resumed>) = 0 [pid 5492] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... prctl resumed>) = 0 [pid 5495] set_robust_list(0x7fc4ee1839e0, 24 [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5496] setpgid(0, 0 [pid 5495] <... set_robust_list resumed>) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5492] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5491] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... setpgid resumed>) = 0 [pid 5495] memfd_create("syzkaller", 0 [pid 5494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5492] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5491] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5497 attached [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] <... memfd_create resumed>) = 3 [pid 5494] <... mmap resumed>) = 0x7fc4ee163000 [pid 5492] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5492] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5497] set_robust_list(0x5555563db5e0, 24 [pid 5496] <... openat resumed>) = 3 [pid 5495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5494] <... mprotect resumed>) = 0 [pid 5492] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5491] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] exit_group(0 [pid 5497] <... set_robust_list resumed>) = 0 [pid 5496] write(3, "1000", 4 [pid 5495] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5494] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5492] <... openat resumed>) = 3 [pid 5491] <... futex resumed>) = ? [pid 5489] <... futex resumed>) = 0 [pid 5487] <... exit_group resumed>) = ? [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] <... write resumed>) = 4 [pid 5495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5492] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] +++ exited with 0 +++ [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] +++ exited with 0 +++ [pid 5497] <... prctl resumed>) = 0 [pid 5496] close(3 [pid 5495] <... write resumed>) = 262144 [pid 5494] <... clone resumed>, parent_tid=[5498], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5498 [pid 5492] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5498 attached [pid 5497] setpgid(0, 0 [pid 5496] <... close resumed>) = 0 [pid 5495] munmap(0x7fc4e5d63000, 262144 [pid 5494] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] set_robust_list(0x7fc4ee1839e0, 24 [pid 5497] <... setpgid resumed>) = 0 [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... munmap resumed>) = 0 [pid 5494] <... futex resumed>) = 0 [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] <... futex resumed>) = 0 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5496] <... futex resumed>) = 0 [pid 5495] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5492] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5489] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] memfd_create("syzkaller", 0 [pid 5497] <... openat resumed>) = 3 [pid 5496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5495] <... openat resumed>) = 4 [pid 5492] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5498] <... memfd_create resumed>) = 3 [pid 5497] write(3, "1000", 4 [pid 5496] <... mmap resumed>) = 0x7fc4ee163000 [pid 5495] ioctl(4, LOOP_SET_FD, 3 [pid 5492] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5497] <... write resumed>) = 4 [pid 5496] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5495] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5492] <... futex resumed>) = 1 [pid 5489] <... futex resumed>) = 0 [pid 5498] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5497] close(3 [pid 5496] <... mprotect resumed>) = 0 [pid 5495] ioctl(4, LOOP_CLR_FD [pid 5492] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] exit_group(0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5496] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5495] <... ioctl resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5497] <... close resumed>) = 0 [pid 5492] <... futex resumed>) = ? [pid 5489] <... exit_group resumed>) = ? [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... clone resumed>, parent_tid=[5499], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5499 [pid 5492] +++ exited with 0 +++ [pid 5003] <... ioctl resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5496] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] +++ exited with 0 +++ [pid 5003] close(3 [pid 5498] <... write resumed>) = 262144 [pid 5497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5496] <... futex resumed>) = 0 [pid 5495] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5498] munmap(0x7fc4e5d63000, 262144 [pid 5497] <... mmap resumed>) = 0x7fc4ee163000 [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5495] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5498] <... munmap resumed>) = 0 [pid 5497] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5495] close(4 [pid 5498] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5497] <... mprotect resumed>) = 0 [pid 5495] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5500 [pid 5498] <... openat resumed>) = 4 [pid 5497] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5495] close(3 [pid 5498] ioctl(4, LOOP_SET_FD, 3 [pid 5495] <... close resumed>) = 0 [pid 5495] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5495] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5498] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5497] <... clone resumed>, parent_tid=[5501], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5501 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5498] ioctl(4, LOOP_CLR_FD [pid 5497] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] fspick(AT_FDCWD, ".", 0 [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5498] <... ioctl resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5495] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5499 attached [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5495] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5499] set_robust_list(0x7fc4ee1839e0, 24 [pid 5495] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5495] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5499] memfd_create("syzkaller", 0 [pid 5498] ioctl(4, LOOP_SET_FD, 3 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... futex resumed>) = 0 [pid 5499] <... memfd_create resumed>) = 3 [pid 5498] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5495] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5502 ./strace-static-x86_64: Process 5500 attached [pid 5499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5498] close(4 [pid 5495] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5500] set_robust_list(0x5555563db5e0, 24 [pid 5499] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5498] <... close resumed>) = 0 [pid 5495] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5498] close(3 [pid 5495] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5501 attached [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5498] <... close resumed>) = 0 [pid 5495] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] set_robust_list(0x7fc4ee1839e0, 24 [pid 5500] <... prctl resumed>) = 0 [pid 5498] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... futex resumed>) = 0 [pid 5501] <... set_robust_list resumed>) = 0 [pid 5500] setpgid(0, 0 [pid 5498] <... futex resumed>) = 1 [pid 5495] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5494] <... futex resumed>) = 0 [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] memfd_create("syzkaller", 0 [pid 5500] <... setpgid resumed>) = 0 [pid 5499] <... write resumed>) = 262144 [pid 5498] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] <... openat resumed>) = 3 [pid 5494] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... memfd_create resumed>) = 3 [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5499] munmap(0x7fc4e5d63000, 262144 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5502 attached [pid 5501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5500] <... openat resumed>) = 3 [pid 5499] <... munmap resumed>) = 0 [pid 5498] fspick(AT_FDCWD, ".", 0 [pid 5495] <... futex resumed>) = 1 [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] <... futex resumed>) = 0 [pid 5502] set_robust_list(0x5555563db5e0, 24 [pid 5501] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5500] write(3, "1000", 4 [pid 5499] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5498] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5495] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... set_robust_list resumed>) = 0 [pid 5499] <... openat resumed>) = 4 [pid 5495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... futex resumed>) = 0 [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5500] <... write resumed>) = 4 [pid 5499] ioctl(4, LOOP_SET_FD, 3 [pid 5498] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5493] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] <... prctl resumed>) = 0 [pid 5500] close(3 [pid 5499] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5498] <... futex resumed>) = 1 [pid 5495] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5494] <... futex resumed>) = 0 [pid 5502] setpgid(0, 0 [pid 5501] <... write resumed>) = 262144 [pid 5500] <... close resumed>) = 0 [pid 5499] ioctl(4, LOOP_CLR_FD [pid 5498] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... setpgid resumed>) = 0 [pid 5501] munmap(0x7fc4e5d63000, 262144 [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... ioctl resumed>) = 0 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5493] <... futex resumed>) = 0 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5501] <... munmap resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5498] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5495] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] exit_group(0 [pid 5502] <... openat resumed>) = 3 [pid 5501] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5498] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5495] <... futex resumed>) = ? [pid 5493] <... exit_group resumed>) = ? [pid 5502] write(3, "1000", 4 [pid 5501] <... openat resumed>) = 4 [pid 5500] <... mmap resumed>) = 0x7fc4ee163000 [pid 5498] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] +++ exited with 0 +++ [pid 5493] +++ exited with 0 +++ [pid 5502] <... write resumed>) = 4 [pid 5501] ioctl(4, LOOP_SET_FD, 3 [pid 5500] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5499] ioctl(4, LOOP_SET_FD, 3 [pid 5498] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 0 [pid 5502] close(3 [pid 5499] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5502] <... close resumed>) = 0 [pid 5499] close(4 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... close resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5499] close(3 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5499] <... close resumed>) = 0 [pid 5502] <... mmap resumed>) = 0x7fc4ee163000 [pid 5499] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5502] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5499] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5502] <... mprotect resumed>) = 0 [pid 5499] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5502] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5501] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5500] <... mprotect resumed>) = 0 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5494] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5501] ioctl(4, LOOP_CLR_FD [pid 5500] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5499] fspick(AT_FDCWD, ".", 0 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5502] <... clone resumed>, parent_tid=[5503], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5503 [pid 5501] <... ioctl resumed>) = 0 [pid 5499] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5498] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5502] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... clone resumed>, parent_tid=[5504], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5504 [pid 5499] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5502] <... futex resumed>) = 0 [pid 5500] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 1 [pid 5498] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = 0 [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 0 [pid 5499] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5498] <... futex resumed>) = 1 [pid 5496] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5505 [pid 5501] ioctl(4, LOOP_SET_FD, 3 [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5494] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5504 attached [pid 5501] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5499] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... futex resumed>) = 0 [pid 5504] set_robust_list(0x7fc4ee1839e0, 24 [pid 5501] close(4 [pid 5499] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5498] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5494] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... set_robust_list resumed>) = 0 [pid 5501] <... close resumed>) = 0 [pid 5499] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5505 attached [pid 5504] memfd_create("syzkaller", 0 [pid 5501] close(3 [pid 5499] <... futex resumed>) = 1 [pid 5498] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5503 attached [pid 5505] set_robust_list(0x5555563db5e0, 24 [pid 5504] <... memfd_create resumed>) = 3 [pid 5501] <... close resumed>) = 0 [pid 5499] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5498] <... futex resumed>) = 1 [pid 5496] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = 0 [pid 5505] <... set_robust_list resumed>) = 0 [pid 5504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5503] set_robust_list(0x7fc4ee1839e0, 24 [pid 5501] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5494] exit_group(0 [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5504] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5503] <... set_robust_list resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5499] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5498] <... futex resumed>) = ? [pid 5497] <... futex resumed>) = 0 [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... exit_group resumed>) = ? [pid 5505] <... prctl resumed>) = 0 [pid 5503] memfd_create("syzkaller", 0 [pid 5501] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... openat resumed>) = 3 [pid 5498] +++ exited with 0 +++ [pid 5497] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] setpgid(0, 0 [pid 5503] <... memfd_create resumed>) = 3 [pid 5499] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... setpgid resumed>) = 0 [pid 5503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5494] +++ exited with 0 +++ [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5503] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5501] fspick(AT_FDCWD, ".", 0 [pid 5499] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... openat resumed>) = 3 [pid 5503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5496] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5505] write(3, "1000", 4 [pid 5503] <... write resumed>) = 262144 [pid 5499] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5496] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5505] <... write resumed>) = 4 [pid 5503] munmap(0x7fc4e5d63000, 262144 [pid 5499] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... restart_syscall resumed>) = 0 [pid 5505] close(3 [pid 5501] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5499] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... close resumed>) = 0 [pid 5504] <... write resumed>) = 262144 [pid 5503] <... munmap resumed>) = 0 [pid 5501] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] munmap(0x7fc4e5d63000, 262144 [pid 5503] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5501] <... futex resumed>) = 1 [pid 5499] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] <... futex resumed>) = 0 [pid 5496] exit_group(0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5505] <... futex resumed>) = 0 [pid 5504] <... munmap resumed>) = 0 [pid 5503] <... openat resumed>) = 4 [pid 5501] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] <... futex resumed>) = ? [pid 5497] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... exit_group resumed>) = ? [pid 4999] <... openat resumed>) = 3 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5504] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5503] ioctl(4, LOOP_SET_FD, 3 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] +++ exited with 0 +++ [pid 5497] <... futex resumed>) = 0 [pid 5496] +++ exited with 0 +++ [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5505] <... mmap resumed>) = 0x7fc4ee163000 [pid 5504] <... openat resumed>) = 4 [pid 5503] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5501] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... ioctl resumed>) = 0 [pid 5505] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5504] ioctl(4, LOOP_SET_FD, 3 [pid 5503] ioctl(4, LOOP_CLR_FD [pid 5501] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4999] close(3 [pid 5505] <... mprotect resumed>) = 0 [pid 5504] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5503] <... ioctl resumed>) = 0 [pid 5501] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5505] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5504] ioctl(4, LOOP_CLR_FD [pid 5501] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] <... ioctl resumed>) = 0 [pid 5501] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... clone resumed>, parent_tid=[5506], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5506 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5497] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5507 [pid 5505] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] ioctl(4, LOOP_SET_FD, 3 [pid 5501] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5505] <... futex resumed>) = 0 [pid 5503] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5501] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5504] ioctl(4, LOOP_SET_FD, 3 [pid 5503] close(4 [pid 5501] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5506 attached [pid 5504] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5503] <... close resumed>) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5503] close(3 [pid 5002] <... close resumed>) = 0 [pid 5503] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5503] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5508 [pid 5503] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5503] fspick(AT_FDCWD, ".", 0 [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5503] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5503] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5503] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5503] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5502] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5507 attached [pid 5503] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] set_robust_list(0x5555563db5e0, 24 [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5506] set_robust_list(0x7fc4ee1839e0, 24 [pid 5504] close(4 [pid 5503] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] <... set_robust_list resumed>) = 0 [pid 5504] <... close resumed>) = 0 [pid 5503] <... openat resumed>) = 3 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5497] <... futex resumed>) = 0 [pid 5507] <... prctl resumed>) = 0 [pid 5506] memfd_create("syzkaller", 0 [pid 5504] close(3 [pid 5503] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5497] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] setpgid(0, 0 [pid 5503] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5507] <... setpgid resumed>) = 0 [pid 5506] <... memfd_create resumed>) = 3 [pid 5504] <... close resumed>) = 0 [pid 5503] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5504] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5501] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5508 attached [pid 5507] <... openat resumed>) = 3 [pid 5506] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5504] <... futex resumed>) = 1 [pid 5503] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5502] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5507] write(3, "1000", 4 [pid 5504] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5501] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] exit_group(0 [pid 5507] <... write resumed>) = 4 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = ? [pid 5500] <... futex resumed>) = 0 [pid 5497] <... exit_group resumed>) = ? [pid 5508] set_robust_list(0x5555563db5e0, 24 [pid 5507] close(3 [pid 5506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5504] fspick(AT_FDCWD, ".", 0 [pid 5503] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5501] +++ exited with 0 +++ [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... close resumed>) = 0 [pid 5504] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5503] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] exit_group(0 [pid 5497] +++ exited with 0 +++ [pid 5508] <... set_robust_list resumed>) = 0 [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... write resumed>) = 262144 [pid 5504] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5507] <... futex resumed>) = 0 [pid 5506] munmap(0x7fc4e5d63000, 262144 [pid 5504] <... futex resumed>) = 1 [pid 5503] +++ exited with 0 +++ [pid 5502] +++ exited with 0 +++ [pid 5500] <... futex resumed>) = 0 [pid 5508] <... prctl resumed>) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5504] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5508] setpgid(0, 0 [pid 5507] <... mmap resumed>) = 0x7fc4ee163000 [pid 5506] <... munmap resumed>) = 0 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5508] <... setpgid resumed>) = 0 [pid 5507] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5506] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5504] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] <... mprotect resumed>) = 0 [pid 5506] <... openat resumed>) = 4 [pid 5504] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5508] <... openat resumed>) = 3 [pid 5507] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5506] ioctl(4, LOOP_SET_FD, 3 [pid 5504] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5508] write(3, "1000", 4 [pid 5506] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5504] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5508] <... write resumed>) = 4 [pid 5507] <... clone resumed>, parent_tid=[5509], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5509 [pid 5506] ioctl(4, LOOP_CLR_FD [pid 5504] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5507] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5507] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5510 ./strace-static-x86_64: Process 5510 attached [pid 5510] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5508] close(3 [pid 5506] <... ioctl resumed>) = 0 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5508] <... close resumed>) = 0 [pid 5504] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... prctl resumed>) = 0 [pid 5510] setpgid(0, 0 [pid 5504] <... openat resumed>) = 3 [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5511 [pid 5508] <... futex resumed>) = 0 [pid 5504] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5504] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5508] <... mmap resumed>) = 0x7fc4ee163000 [pid 5504] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5500] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5506] ioctl(4, LOOP_SET_FD, 3 [pid 5504] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5500] <... futex resumed>) = 0 [pid 5508] <... mprotect resumed>) = 0 [pid 5500] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5506] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5504] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5506] close(4 [pid 5504] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] <... setpgid resumed>) = 0 [pid 5508] <... clone resumed>, parent_tid=[5512], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5512 [pid 5506] <... close resumed>) = 0 [pid 5504] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] exit_group(0 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5508] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] close(3 [pid 5504] <... futex resumed>) = ? [pid 5500] <... exit_group resumed>) = ? [pid 5510] <... openat resumed>) = 3 [pid 5508] <... futex resumed>) = 0 [pid 5510] write(3, "1000", 4 [pid 5506] <... close resumed>) = 0 [pid 5510] <... write resumed>) = 4 [pid 5510] close(3) = 0 [pid 5504] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5506] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5510] <... futex resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5506] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5511 attached [pid 5510] <... mmap resumed>) = 0x7fc4ee163000 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5511] set_robust_list(0x5555563db5e0, 24 [pid 5510] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5506] fspick(AT_FDCWD, ".", 0 [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5512 attached ./strace-static-x86_64: Process 5509 attached [pid 5511] <... set_robust_list resumed>) = 0 [pid 5510] <... mprotect resumed>) = 0 [pid 5506] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5512] set_robust_list(0x7fc4ee1839e0, 24 [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5510] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5509] set_robust_list(0x7fc4ee1839e0, 24 [pid 5506] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5512] <... set_robust_list resumed>) = 0 [pid 5511] <... prctl resumed>) = 0 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5512] memfd_create("syzkaller", 0 [pid 5511] setpgid(0, 0 [pid 5510] <... clone resumed>, parent_tid=[5513], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5513 [pid 5509] memfd_create("syzkaller", 0 [pid 5506] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5505] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5512] <... memfd_create resumed>) = 3 [pid 5511] <... setpgid resumed>) = 0 [pid 5510] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... memfd_create resumed>) = 3 [pid 5506] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5505] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] <... futex resumed>) = 0 [pid 5509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5512] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5511] <... openat resumed>) = 3 [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5509] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5506] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5511] write(3, "1000", 4 [pid 5506] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... write resumed>) = 4 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5514 [pid 5511] close(3 [pid 5506] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... close resumed>) = 0 [pid 5506] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5513 attached [pid 5512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5506] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5506] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... mmap resumed>) = 0x7fc4ee163000 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5511] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5506] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5505] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5514 attached [pid 5513] set_robust_list(0x7fc4ee1839e0, 24 [pid 5512] <... write resumed>) = 262144 [pid 5511] <... mprotect resumed>) = 0 [pid 5509] <... write resumed>) = 262144 [pid 5506] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5514] set_robust_list(0x5555563db5e0, 24 [pid 5513] <... set_robust_list resumed>) = 0 [pid 5512] munmap(0x7fc4e5d63000, 262144 [pid 5511] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5509] munmap(0x7fc4e5d63000, 262144 [pid 5506] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... set_robust_list resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] <... munmap resumed>) = 0 [pid 5511] <... clone resumed>, parent_tid=[5515], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5515 [pid 5509] <... munmap resumed>) = 0 [pid 5506] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] exit_group(0 [pid 5514] <... prctl resumed>) = 0 [pid 5513] memfd_create("syzkaller", 0 [pid 5512] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5511] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5505] <... exit_group resumed>) = ? [pid 5506] <... futex resumed>) = ? [pid 5514] setpgid(0, 0 [pid 5513] <... memfd_create resumed>) = 3 [pid 5512] <... openat resumed>) = 4 [pid 5511] <... futex resumed>) = 0 [pid 5514] <... setpgid resumed>) = 0 [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] +++ exited with 0 +++ [pid 5505] +++ exited with 0 +++ [pid 5514] <... openat resumed>) = 3 [pid 5513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5512] ioctl(4, LOOP_SET_FD, 3 [pid 5509] <... openat resumed>) = 4 [pid 5514] write(3, "1000", 4 [pid 5513] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5512] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5509] ioctl(4, LOOP_SET_FD, 3 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5514] <... write resumed>) = 4 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5514] close(3 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5514] <... close resumed>) = 0 [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5512] ioctl(4, LOOP_CLR_FD [pid 5509] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5512] <... ioctl resumed>) = 0 [pid 5509] ioctl(4, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 5514] <... mmap resumed>) = 0x7fc4ee163000 [pid 5509] <... ioctl resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5515 attached [pid 5514] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5513] <... write resumed>) = 262144 [pid 5004] <... ioctl resumed>) = 0 [pid 5515] set_robust_list(0x7fc4ee1839e0, 24 [pid 5514] <... mprotect resumed>) = 0 [pid 5513] munmap(0x7fc4e5d63000, 262144 [pid 5004] close(3 [pid 5515] <... set_robust_list resumed>) = 0 [pid 5514] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... close resumed>) = 0 [pid 5515] memfd_create("syzkaller", 0 [pid 5512] ioctl(4, LOOP_SET_FD, 3 [pid 5513] <... munmap resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5515] <... memfd_create resumed>) = 3 [pid 5514] <... clone resumed>, parent_tid=[5516], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5516 [pid 5513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5512] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5509] ioctl(4, LOOP_SET_FD, 3 [pid 5515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5514] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... openat resumed>) = 4 [pid 5512] close(4 [pid 5509] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5517 [pid 5515] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5514] <... futex resumed>) = 0 [pid 5513] ioctl(4, LOOP_SET_FD, 3 [pid 5512] <... close resumed>) = 0 [pid 5509] close(4./strace-static-x86_64: Process 5516 attached [pid 5515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5513] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5512] close(3 [pid 5509] <... close resumed>) = 0 ./strace-static-x86_64: Process 5517 attached [pid 5516] set_robust_list(0x7fc4ee1839e0, 24 [pid 5513] ioctl(4, LOOP_CLR_FD [pid 5517] set_robust_list(0x5555563db5e0, 24 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5515] <... write resumed>) = 262144 [pid 5513] <... ioctl resumed>) = 0 [pid 5512] <... close resumed>) = 0 [pid 5509] close(3 [pid 5512] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] munmap(0x7fc4e5d63000, 262144 [pid 5517] <... set_robust_list resumed>) = 0 [pid 5516] memfd_create("syzkaller", 0 [pid 5515] <... munmap resumed>) = 0 [pid 5512] <... futex resumed>) = 1 [pid 5509] <... close resumed>) = 0 [pid 5508] <... futex resumed>) = 0 [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] <... memfd_create resumed>) = 3 [pid 5512] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... prctl resumed>) = 0 [pid 5516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5515] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5513] ioctl(4, LOOP_SET_FD, 3 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 1 [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] setpgid(0, 0 [pid 5516] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5515] <... openat resumed>) = 4 [pid 5513] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5512] fspick(AT_FDCWD, ".", 0 [pid 5509] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... setpgid resumed>) = 0 [pid 5515] ioctl(4, LOOP_SET_FD, 3 [pid 5507] <... futex resumed>) = 0 [pid 5515] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] ioctl(4, LOOP_CLR_FD) = 0 [pid 5515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5515] close(4) = 0 [pid 5515] close(3) = 0 [pid 5515] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5511] <... futex resumed>) = 0 [pid 5515] fspick(AT_FDCWD, ".", 0 [pid 5511] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5511] <... futex resumed>) = 0 [pid 5515] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] close(4 [pid 5512] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5515] <... futex resumed>) = 0 [pid 5513] <... close resumed>) = 0 [pid 5512] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] fspick(AT_FDCWD, ".", 0 [pid 5515] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5513] close(3 [pid 5512] <... futex resumed>) = 1 [pid 5511] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5508] <... futex resumed>) = 0 [pid 5515] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5511] <... futex resumed>) = 0 [pid 5515] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... close resumed>) = 0 [pid 5512] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... write resumed>) = 262144 [pid 5508] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... openat resumed>) = 3 [pid 5517] write(3, "1000", 4 [pid 5516] munmap(0x7fc4e5d63000, 262144 [pid 5515] <... futex resumed>) = 0 [pid 5513] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 1 [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] <... write resumed>) = 4 [pid 5516] <... munmap resumed>) = 0 [pid 5515] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] <... futex resumed>) = 1 [pid 5512] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = 0 [pid 5509] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] close(3 [pid 5516] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] <... futex resumed>) = 0 [pid 5511] <... futex resumed>) = 0 [pid 5510] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5517] <... close resumed>) = 0 [pid 5516] <... openat resumed>) = 4 [pid 5515] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = 0 [pid 5509] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5508] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] ioctl(4, LOOP_SET_FD, 3 [pid 5515] <... openat resumed>) = 3 [pid 5513] fspick(AT_FDCWD, ".", 0 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5508] <... futex resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5516] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5515] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5512] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5509] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5516] ioctl(4, LOOP_CLR_FD [pid 5515] <... futex resumed>) = 1 [pid 5513] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... openat resumed>) = 3 [pid 5511] <... futex resumed>) = 0 [pid 5509] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5517] <... mmap resumed>) = 0x7fc4ee163000 [pid 5516] <... ioctl resumed>) = 0 [pid 5515] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] <... futex resumed>) = 1 [pid 5512] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = 0 [pid 5509] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] <... futex resumed>) = 1 [pid 5511] <... futex resumed>) = 0 [pid 5510] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] <... mprotect resumed>) = 0 [pid 5515] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5511] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] <... futex resumed>) = 0 [pid 5509] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5508] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5515] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5513] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... openat resumed>) = 3 [pid 5508] <... futex resumed>) = 0 [pid 5516] ioctl(4, LOOP_SET_FD, 3 [pid 5515] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5512] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5509] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] <... clone resumed>, parent_tid=[5518], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5518 [pid 5516] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5515] <... futex resumed>) = 1 [pid 5513] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5511] <... futex resumed>) = 0 [pid 5509] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5517] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] close(4 [pid 5515] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] <... futex resumed>) = 1 [pid 5512] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] exit_group(0 [pid 5510] <... futex resumed>) = 0 [pid 5509] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = 0 [pid 5516] <... close resumed>) = 0 [pid 5515] <... futex resumed>) = ? [pid 5513] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] <... futex resumed>) = 1 [pid 5511] <... exit_group resumed>) = ? [pid 5510] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5516] close(3 [pid 5515] +++ exited with 0 +++ [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5511] +++ exited with 0 +++ [pid 5510] <... futex resumed>) = 0 [pid 5509] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5508] exit_group(0 [pid 5507] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5518 attached [pid 5516] <... close resumed>) = 0 [pid 5513] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5509] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5508] <... exit_group resumed>) = ? [pid 5516] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... futex resumed>) = ? [pid 5513] <... openat resumed>) = 3 [pid 5518] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5512] +++ exited with 0 +++ [pid 5509] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] +++ exited with 0 +++ [pid 5513] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5516] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5518] memfd_create("syzkaller", 0 [pid 5516] fspick(AT_FDCWD, ".", 0 [pid 5514] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = 1 [pid 5510] <... futex resumed>) = 0 [pid 5509] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5518] <... memfd_create resumed>) = 3 [pid 5516] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5514] <... futex resumed>) = 0 [pid 5513] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] exit_group(0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... restart_syscall resumed>) = 0 [pid 5518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5516] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] <... futex resumed>) = 0 [pid 5509] <... futex resumed>) = ? [pid 5507] <... exit_group resumed>) = ? [pid 5002] <... restart_syscall resumed>) = 0 [pid 5518] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5510] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5514] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5518] <... write resumed>) = 262144 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] close(3 [pid 5516] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5513] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5002] <... close resumed>) = 0 [pid 5509] +++ exited with 0 +++ [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5516] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5513] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5507] +++ exited with 0 +++ [pid 5518] munmap(0x7fc4e5d63000, 262144 [pid 5516] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5513] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5519 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5518] <... munmap resumed>) = 0 [pid 5516] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = 1 [pid 5510] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5519 attached [pid 5518] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5516] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5513] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5519] set_robust_list(0x5555563db5e0, 24 [pid 5518] <... openat resumed>) = 4 [pid 5516] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = ? [pid 5510] <... exit_group resumed>) = ? [pid 5001] <... ioctl resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5519] <... set_robust_list resumed>) = 0 [pid 5518] ioctl(4, LOOP_SET_FD, 3 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5514] <... futex resumed>) = 0 [pid 5513] +++ exited with 0 +++ [pid 5510] +++ exited with 0 +++ [pid 5001] close(3 [pid 4999] <... openat resumed>) = 3 [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5518] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5516] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5519] <... prctl resumed>) = 0 [pid 5518] ioctl(4, LOOP_CLR_FD [pid 5516] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... ioctl resumed>) = 0 [pid 5519] setpgid(0, 0 [pid 5518] <... ioctl resumed>) = 0 [pid 5516] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5519] <... setpgid resumed>) = 0 [pid 5516] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5514] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5520 [pid 5000] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5519] <... openat resumed>) = 3 [pid 5516] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5514] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5520 attached [pid 5519] write(3, "1000", 4 [pid 5518] ioctl(4, LOOP_SET_FD, 3 [pid 5516] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5521 [pid 5520] set_robust_list(0x5555563db5e0, 24 [pid 5519] <... write resumed>) = 4 [pid 5518] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5516] <... futex resumed>) = 0 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 5520] <... set_robust_list resumed>) = 0 [pid 5519] close(3 [pid 5518] close(4 [pid 5516] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5519] <... close resumed>) = 0 [pid 5518] <... close resumed>) = 0 [pid 5516] <... futex resumed>) = ? [pid 5514] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5520] <... prctl resumed>) = 0 [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] close(3 [pid 5516] +++ exited with 0 +++ [pid 5514] +++ exited with 0 +++ [pid 5520] setpgid(0, 0 [pid 5519] <... futex resumed>) = 0 [pid 5518] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5522 [pid 5518] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5518] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5520] <... setpgid resumed>) = 0 [pid 5519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5517] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5519] <... mmap resumed>) = 0x7fc4ee163000 [pid 5517] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5519] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5518] <... futex resumed>) = 0 [pid 5517] <... futex resumed>) = 1 [pid 5003] <... ioctl resumed>) = 0 [pid 5520] <... openat resumed>) = 3 [pid 5519] <... mprotect resumed>) = 0 [pid 5518] fspick(AT_FDCWD, ".", 0 [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5520] write(3, "1000", 4 [pid 5519] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5518] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... close resumed>) = 0 ./strace-static-x86_64: Process 5521 attached [pid 5520] <... write resumed>) = 4 [pid 5518] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5521] set_robust_list(0x5555563db5e0, 24 [pid 5520] close(3 [pid 5519] <... clone resumed>, parent_tid=[5523], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5523 [pid 5518] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5521] <... set_robust_list resumed>) = 0 [pid 5520] <... close resumed>) = 0 [pid 5519] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5524 [pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5517] <... futex resumed>) = 0 [pid 5521] <... prctl resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5518] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] setpgid(0, 0 [pid 5520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5518] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5521] <... setpgid resumed>) = 0 [pid 5520] <... mmap resumed>) = 0x7fc4ee163000 [pid 5518] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5520] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5518] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5524 attached ./strace-static-x86_64: Process 5522 attached [pid 5521] <... openat resumed>) = 3 [pid 5520] <... mprotect resumed>) = 0 [pid 5518] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5523 attached [pid 5524] set_robust_list(0x5555563db5e0, 24 [pid 5522] set_robust_list(0x5555563db5e0, 24 [pid 5521] write(3, "1000", 4 [pid 5520] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5517] <... futex resumed>) = 0 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] set_robust_list(0x7fc4ee1839e0, 24 [pid 5522] <... set_robust_list resumed>) = 0 [pid 5521] <... write resumed>) = 4 [pid 5518] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5523] <... set_robust_list resumed>) = 0 [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5521] close(3 [pid 5520] <... clone resumed>, parent_tid=[5525], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5525 [pid 5518] <... openat resumed>) = 3 [pid 5524] <... prctl resumed>) = 0 [pid 5523] memfd_create("syzkaller", 0 [pid 5522] <... prctl resumed>) = 0 [pid 5521] <... close resumed>) = 0 [pid 5520] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] setpgid(0, 0 [pid 5523] <... memfd_create resumed>) = 3 [pid 5522] setpgid(0, 0 [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5525 attached [pid 5524] <... setpgid resumed>) = 0 [pid 5523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5522] <... setpgid resumed>) = 0 [pid 5521] <... futex resumed>) = 0 [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5518] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] set_robust_list(0x7fc4ee1839e0, 24 [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5523] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5517] <... futex resumed>) = 0 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] <... openat resumed>) = 3 [pid 5523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5522] <... openat resumed>) = 3 [pid 5521] <... mmap resumed>) = 0x7fc4ee163000 [pid 5518] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5517] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] memfd_create("syzkaller", 0 [pid 5524] write(3, "1000", 4 [pid 5523] <... write resumed>) = 262144 [pid 5522] write(3, "1000", 4 [pid 5521] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5518] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5525] <... memfd_create resumed>) = 3 [pid 5524] <... write resumed>) = 4 [pid 5523] munmap(0x7fc4e5d63000, 262144 [pid 5522] <... write resumed>) = 4 [pid 5521] <... mprotect resumed>) = 0 [pid 5518] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5524] close(3 [pid 5523] <... munmap resumed>) = 0 [pid 5522] close(3 [pid 5521] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5518] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5525] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5524] <... close resumed>) = 0 [pid 5523] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5522] <... close resumed>) = 0 [pid 5518] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] exit_group(0 [pid 5523] <... openat resumed>) = 4 [pid 5521] <... clone resumed>, parent_tid=[5526], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5526 [pid 5518] <... futex resumed>) = ? [pid 5517] <... exit_group resumed>) = ? [pid 5525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] ioctl(4, LOOP_SET_FD, 3 [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] +++ exited with 0 +++ [pid 5517] +++ exited with 0 +++ [pid 5523] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5521] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5525] <... write resumed>) = 262144 [pid 5524] <... futex resumed>) = 0 [pid 5523] ioctl(4, LOOP_CLR_FD [pid 5522] <... futex resumed>) = 0 [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5525] munmap(0x7fc4e5d63000, 262144 [pid 5524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5523] <... ioctl resumed>) = 0 [pid 5522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5525] <... munmap resumed>) = 0 [pid 5524] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5526 attached [pid 5525] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5524] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5522] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5525] <... openat resumed>) = 4 [pid 5524] <... mprotect resumed>) = 0 [pid 5522] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... ioctl resumed>) = 0 [pid 5526] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5525] ioctl(4, LOOP_SET_FD, 3 [pid 5524] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5522] <... mprotect resumed>) = 0 [pid 5004] close(3 [pid 5526] memfd_create("syzkaller", 0 [pid 5525] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5523] ioctl(4, LOOP_SET_FD, 3 [pid 5522] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... close resumed>) = 0 [pid 5526] <... memfd_create resumed>) = 3 [pid 5525] ioctl(4, LOOP_CLR_FD [pid 5524] <... clone resumed>, parent_tid=[5527], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5527 [pid 5523] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5525] <... ioctl resumed>) = 0 [pid 5524] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] close(4 [pid 5522] <... clone resumed>, parent_tid=[5528], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5528 [pid 5526] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5524] <... futex resumed>) = 0 [pid 5523] <... close resumed>) = 0 [pid 5522] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5529 [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5523] close(3 [pid 5522] <... futex resumed>) = 0 [pid 5526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5523] <... close resumed>) = 0 [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5525] ioctl(4, LOOP_SET_FD, 3 [pid 5523] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5523] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5525] close(4 [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5519] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... write resumed>) = 262144 [pid 5525] <... close resumed>) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5519] <... futex resumed>) = 0 [pid 5526] munmap(0x7fc4e5d63000, 262144 [pid 5525] close(3 [pid 5523] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5523] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5527 attached [pid 5527] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5527] memfd_create("syzkaller", 0) = 3 [pid 5527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5528 attached [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5525] <... close resumed>) = 0 [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] <... munmap resumed>) = 0 [pid 5525] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5525] <... futex resumed>) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5519] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5529 attached [pid 5528] memfd_create("syzkaller", 0 [pid 5526] <... openat resumed>) = 4 [pid 5525] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5520] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] set_robust_list(0x5555563db5e0, 24 [pid 5528] <... memfd_create resumed>) = 3 [pid 5526] ioctl(4, LOOP_SET_FD, 3 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5520] <... futex resumed>) = 0 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5526] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5525] fspick(AT_FDCWD, ".", 0 [pid 5523] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5528] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5526] ioctl(4, LOOP_CLR_FD [pid 5525] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5523] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5529] <... prctl resumed>) = 0 [pid 5528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5527] <... write resumed>) = 262144 [pid 5526] <... ioctl resumed>) = 0 [pid 5525] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5519] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] setpgid(0, 0 [pid 5528] <... write resumed>) = 262144 [pid 5527] munmap(0x7fc4e5d63000, 262144 [pid 5525] <... futex resumed>) = 1 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] <... futex resumed>) = 0 [pid 5519] <... futex resumed>) = 0 [pid 5529] <... setpgid resumed>) = 0 [pid 5527] <... munmap resumed>) = 0 [pid 5525] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5520] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5526] ioctl(4, LOOP_SET_FD, 3 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... openat resumed>) = 3 [pid 5520] <... futex resumed>) = 0 [pid 5529] <... openat resumed>) = 3 [pid 5528] munmap(0x7fc4e5d63000, 262144 [pid 5527] <... openat resumed>) = 4 [pid 5526] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5525] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5523] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] write(3, "1000", 4 [pid 5528] <... munmap resumed>) = 0 [pid 5527] ioctl(4, LOOP_SET_FD, 3 [pid 5526] close(4 [pid 5525] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5523] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5529] <... write resumed>) = 4 [pid 5528] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5527] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5526] <... close resumed>) = 0 [pid 5525] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5519] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... openat resumed>) = 4 [pid 5527] ioctl(4, LOOP_CLR_FD [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] ioctl(4, LOOP_SET_FD, 3 [pid 5527] <... ioctl resumed>) = 0 [pid 5523] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5528] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5523] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5528] ioctl(4, LOOP_CLR_FD [pid 5523] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... ioctl resumed>) = 0 [pid 5523] <... futex resumed>) = 0 [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5527] close(4) = 0 [pid 5527] close(3) = 0 [pid 5528] ioctl(4, LOOP_SET_FD, 3 [pid 5527] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] close(3 [pid 5528] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5527] <... futex resumed>) = 1 [pid 5526] close(3 [pid 5525] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5523] <... futex resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5519] <... futex resumed>) = 1 [pid 5529] <... close resumed>) = 0 [pid 5528] close(4 [pid 5527] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... close resumed>) = 0 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] <... close resumed>) = 0 [pid 5525] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] <... futex resumed>) = 0 [pid 5528] close(3 [pid 5527] fspick(AT_FDCWD, ".", 0 [pid 5526] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... openat resumed>) = 3 [pid 5524] <... futex resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5528] <... close resumed>) = 0 [pid 5527] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5526] <... futex resumed>) = 1 [pid 5525] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] <... futex resumed>) = 0 [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] exit_group(0 [pid 5529] <... mmap resumed>) = 0x7fc4ee163000 [pid 5528] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = ? [pid 5521] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5519] <... exit_group resumed>) = ? [pid 5529] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5528] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] +++ exited with 0 +++ [pid 5522] <... futex resumed>) = 0 [pid 5521] <... futex resumed>) = 0 [pid 5520] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... mprotect resumed>) = 0 [pid 5528] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5526] fspick(AT_FDCWD, ".", 0 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5522] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] <... futex resumed>) = 0 [pid 5519] +++ exited with 0 +++ [pid 5529] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5526] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5525] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... futex resumed>) = 0 [pid 5520] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5528] fspick(AT_FDCWD, ".", 0 [pid 5527] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5529] <... clone resumed>, parent_tid=[5530], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5530 [pid 5528] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... futex resumed>) = 0 [pid 5526] <... futex resumed>) = 1 [pid 5525] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5529] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5526] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5521] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... futex resumed>) = 0 [pid 5529] <... futex resumed>) = 0 [pid 5528] <... futex resumed>) = 1 [pid 5527] <... openat resumed>) = 3 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... futex resumed>) = 0 [pid 5521] <... futex resumed>) = 0 [pid 5520] exit_group(0./strace-static-x86_64: Process 5530 attached [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5528] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5525] <... futex resumed>) = ? [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] <... exit_group resumed>) = ? [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5530] set_robust_list(0x7fc4ee1839e0, 24 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... futex resumed>) = 0 [pid 5526] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5525] +++ exited with 0 +++ [pid 5524] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5528] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5527] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5526] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5530] memfd_create("syzkaller", 0 [pid 5528] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5526] <... futex resumed>) = 1 [pid 5524] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5530] <... memfd_create resumed>) = 3 [pid 5528] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5521] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5528] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5522] <... futex resumed>) = 0 [pid 5521] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5528] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 0 [pid 5528] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5531 [pid 5528] <... openat resumed>) = 3 [pid 5528] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5528] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] exit_group(0 [pid 5522] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5528] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5527] <... futex resumed>) = ? [pid 5526] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] <... exit_group resumed>) = ? [pid 5522] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5530] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5528] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5527] +++ exited with 0 +++ [pid 5526] <... openat resumed>) = 3 [pid 5528] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5524] +++ exited with 0 +++ [pid 5526] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5528] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] <... futex resumed>) = 1 [pid 5522] exit_group(0 [pid 5521] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5528] <... futex resumed>) = ? [pid 5526] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] <... exit_group resumed>) = ? [pid 5521] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5528] +++ exited with 0 +++ [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] +++ exited with 0 +++ [pid 5521] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... ioctl resumed>) = 0 [pid 5526] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5521] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 5001] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5530] <... write resumed>) = 262144 [pid 5526] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] <... close resumed>) = 0 [pid 5530] munmap(0x7fc4e5d63000, 262144 [pid 5526] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5526] <... futex resumed>) = 1 [pid 5521] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5526] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] exit_group(0 [pid 5003] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5531 attached [pid 5530] <... munmap resumed>) = 0 [pid 5526] <... futex resumed>) = ? [pid 5521] <... exit_group resumed>) = ? [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5532 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5531] set_robust_list(0x5555563db5e0, 24 [pid 5530] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5526] +++ exited with 0 +++ [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] <... openat resumed>) = 4 [pid 5521] +++ exited with 0 +++ [pid 5003] close(3 [pid 5000] close(3 [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5530] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5531] <... prctl resumed>) = 0 [pid 5530] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5531] setpgid(0, 0 [pid 5530] ioctl(4, LOOP_CLR_FD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5531] <... setpgid resumed>) = 0 [pid 5530] <... ioctl resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5533 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5534 [pid 4999] <... openat resumed>) = 3 [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5532 attached [pid 5531] <... openat resumed>) = 3 [pid 4999] <... ioctl resumed>) = 0 [pid 5532] set_robust_list(0x5555563db5e0, 24 [pid 5531] write(3, "1000", 4 [pid 4999] close(3 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5531] <... write resumed>) = 4 [pid 5530] ioctl(4, LOOP_SET_FD, 3 [pid 4999] <... close resumed>) = 0 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5531] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5532] <... prctl resumed>) = 0 [pid 5531] <... close resumed>) = 0 [pid 5532] setpgid(0, 0 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5535 [pid 5532] <... setpgid resumed>) = 0 [pid 5531] <... futex resumed>) = 0 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5532] <... openat resumed>) = 3 [pid 5531] <... mmap resumed>) = 0x7fc4ee163000 [pid 5532] write(3, "1000", 4 [pid 5531] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5532] <... write resumed>) = 4 [pid 5531] <... mprotect resumed>) = 0 [pid 5532] close(3 [pid 5531] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5532] <... close resumed>) = 0 [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... clone resumed>, parent_tid=[5536], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5536 [pid 5532] <... futex resumed>) = 0 [pid 5531] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5533 attached [pid 5532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5531] <... futex resumed>) = 0 [pid 5530] close(4 [pid 5533] set_robust_list(0x5555563db5e0, 24 [pid 5532] <... mmap resumed>) = 0x7fc4ee163000 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... close resumed>) = 0 ./strace-static-x86_64: Process 5534 attached [pid 5533] <... set_robust_list resumed>) = 0 [pid 5532] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5530] close(3 [pid 5532] <... mprotect resumed>) = 0 [pid 5532] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5530] <... close resumed>) = 0 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] set_robust_list(0x5555563db5e0, 24 [pid 5533] <... prctl resumed>) = 0 [pid 5530] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5533] setpgid(0, 0 [pid 5532] <... clone resumed>, parent_tid=[5537], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5537 [pid 5530] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5535 attached [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5533] <... setpgid resumed>) = 0 [pid 5532] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] set_robust_list(0x5555563db5e0, 24 [pid 5534] <... prctl resumed>) = 0 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5532] <... futex resumed>) = 0 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5536 attached [pid 5535] <... set_robust_list resumed>) = 0 [pid 5534] setpgid(0, 0 [pid 5533] <... openat resumed>) = 3 [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] fspick(AT_FDCWD, ".", 0 [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] set_robust_list(0x7fc4ee1839e0, 24 [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] <... setpgid resumed>) = 0 [pid 5533] write(3, "1000", 4 [pid 5530] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5536] <... set_robust_list resumed>) = 0 [pid 5535] <... prctl resumed>) = 0 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5533] <... write resumed>) = 4 [pid 5530] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] memfd_create("syzkaller", 0 [pid 5535] setpgid(0, 0 [pid 5534] <... openat resumed>) = 3 [pid 5533] close(3 [pid 5530] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5536] <... memfd_create resumed>) = 3 [pid 5535] <... setpgid resumed>) = 0 [pid 5534] write(3, "1000", 4 [pid 5533] <... close resumed>) = 0 [pid 5530] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5537 attached [pid 5536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5534] <... write resumed>) = 4 [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 [pid 5537] set_robust_list(0x7fc4ee1839e0, 24 [pid 5536] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5535] <... openat resumed>) = 3 [pid 5534] close(3 [pid 5533] <... futex resumed>) = 0 [pid 5530] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5535] write(3, "1000", 4 [pid 5534] <... close resumed>) = 0 [pid 5533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5530] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5537] memfd_create("syzkaller", 0 [pid 5536] <... write resumed>) = 262144 [pid 5535] <... write resumed>) = 4 [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... mmap resumed>) = 0x7fc4ee163000 [pid 5530] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... memfd_create resumed>) = 3 [pid 5536] munmap(0x7fc4e5d63000, 262144 [pid 5535] close(3 [pid 5534] <... futex resumed>) = 0 [pid 5533] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5530] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5536] <... munmap resumed>) = 0 [pid 5535] <... close resumed>) = 0 [pid 5537] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5536] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5533] <... mprotect resumed>) = 0 [pid 5530] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... openat resumed>) = 4 [pid 5535] <... futex resumed>) = 0 [pid 5534] <... mmap resumed>) = 0x7fc4ee163000 [pid 5533] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 [pid 5536] ioctl(4, LOOP_SET_FD, 3 [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5534] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5536] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5535] <... mmap resumed>) = 0x7fc4ee163000 [pid 5534] <... mprotect resumed>) = 0 [pid 5533] <... clone resumed>, parent_tid=[5538], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5538 [pid 5530] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5536] ioctl(4, LOOP_CLR_FD [pid 5535] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5534] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5536] <... ioctl resumed>) = 0 [pid 5535] <... mprotect resumed>) = 0 [pid 5533] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... openat resumed>) = 3 [pid 5537] <... write resumed>) = 262144 [pid 5535] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5534] <... clone resumed>, parent_tid=[5539], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5539 [pid 5533] <... futex resumed>) = 0 [pid 5530] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] munmap(0x7fc4e5d63000, 262144 [pid 5534] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5537] <... munmap resumed>) = 0 [pid 5535] <... clone resumed>, parent_tid=[5540], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5540 [pid 5534] <... futex resumed>) = 0 [pid 5530] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5529] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5535] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5538 attached [pid 5537] <... openat resumed>) = 4 [pid 5536] ioctl(4, LOOP_SET_FD, 3 [pid 5535] <... futex resumed>) = 0 [pid 5530] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5529] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] set_robust_list(0x7fc4ee1839e0, 24 [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5536] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5538] <... set_robust_list resumed>) = 0 [pid 5537] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5536] close(4 [pid 5530] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] memfd_create("syzkaller", 0 [pid 5537] ioctl(4, LOOP_CLR_FD [pid 5536] <... close resumed>) = 0 [pid 5530] <... futex resumed>) = 1 [pid 5529] <... futex resumed>) = 0 [pid 5538] <... memfd_create resumed>) = 3 [pid 5537] <... ioctl resumed>) = 0 [pid 5536] close(3 [pid 5530] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5536] <... close resumed>) = 0 [pid 5529] exit_group(0./strace-static-x86_64: Process 5540 attached ./strace-static-x86_64: Process 5539 attached [pid 5538] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5536] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = ? [pid 5529] <... exit_group resumed>) = ? [pid 5540] set_robust_list(0x7fc4ee1839e0, 24 [pid 5539] set_robust_list(0x7fc4ee1839e0, 24 [pid 5536] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5530] +++ exited with 0 +++ [pid 5540] <... set_robust_list resumed>) = 0 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5536] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] memfd_create("syzkaller", 0 [pid 5539] memfd_create("syzkaller", 0 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5531] <... futex resumed>) = 0 [pid 5529] +++ exited with 0 +++ [pid 5540] <... memfd_create resumed>) = 3 [pid 5539] <... memfd_create resumed>) = 3 [pid 5536] fspick(AT_FDCWD, ".", 0 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5536] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5540] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5539] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5537] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5536] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5538] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5537] close(4 [pid 5536] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5540] <... write resumed>) = 262144 [pid 5539] <... write resumed>) = 262144 [pid 5537] <... close resumed>) = 0 [pid 5536] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] close(3 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5531] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5536] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5536] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5536] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5536] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5540] munmap(0x7fc4e5d63000, 262144 [pid 5537] <... close resumed>) = 0 [pid 5536] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5540] <... munmap resumed>) = 0 [pid 5539] munmap(0x7fc4e5d63000, 262144 [pid 5537] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5531] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5539] <... munmap resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5532] <... futex resumed>) = 0 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... openat resumed>) = 4 [pid 5539] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5537] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... openat resumed>) = 3 [pid 5532] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5541 [pid 5540] ioctl(4, LOOP_SET_FD, 3 [pid 5539] <... openat resumed>) = 4 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = 0 [pid 5540] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5539] ioctl(4, LOOP_SET_FD, 3 [pid 5537] fspick(AT_FDCWD, ".", 0 [pid 5536] <... futex resumed>) = 1 [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] <... write resumed>) = 262144 [pid 5531] <... futex resumed>) = 0 [pid 5540] ioctl(4, LOOP_CLR_FD [pid 5539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5537] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5536] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... ioctl resumed>) = 0 [pid 5539] ioctl(4, LOOP_CLR_FD [pid 5538] munmap(0x7fc4e5d63000, 262144 [pid 5537] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5531] <... futex resumed>) = 0 [pid 5539] <... ioctl resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5532] <... futex resumed>) = 0 [pid 5531] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5532] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = 0 [pid 5538] <... munmap resumed>) = 0 [pid 5537] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5536] <... futex resumed>) = 1 [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... futex resumed>) = 0 [pid 5538] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5537] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5536] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] exit_group(0 [pid 5540] ioctl(4, LOOP_SET_FD, 3 [pid 5538] <... openat resumed>) = 4 [pid 5537] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... futex resumed>) = ? [pid 5531] <... exit_group resumed>) = ? [pid 5540] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5539] ioctl(4, LOOP_SET_FD, 3 [pid 5538] ioctl(4, LOOP_SET_FD, 3 [pid 5537] <... futex resumed>) = 1 [pid 5536] +++ exited with 0 +++ [pid 5532] <... futex resumed>) = 0 [pid 5531] +++ exited with 0 +++ [pid 5540] close(4 [pid 5539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5538] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5537] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5531, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5540] <... close resumed>) = 0 [pid 5539] close(4 [pid 5538] ioctl(4, LOOP_CLR_FD [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] <... futex resumed>) = 0 [pid 5540] close(3 [pid 5539] <... close resumed>) = 0 [pid 5538] <... ioctl resumed>) = 0 [pid 5537] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... close resumed>) = 0 [pid 5539] close(3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5540] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... close resumed>) = 0 [pid 5537] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5540] <... futex resumed>) = 1 [pid 5539] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5540] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 1 [pid 5537] <... futex resumed>) = 1 [pid 5535] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] ioctl(4, LOOP_SET_FD, 3 [pid 5537] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... futex resumed>) = 0 [pid 5534] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5540] fspick(AT_FDCWD, ".", 0 [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5540] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5539] fspick(AT_FDCWD, ".", 0 [pid 5538] close(4 [pid 5537] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5538] <... close resumed>) = 0 [pid 5537] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5540] <... futex resumed>) = 1 [pid 5539] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] close(3 [pid 5537] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5542 [pid 5540] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 1 [pid 5535] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = 0 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... futex resumed>) = 0 [pid 5534] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... close resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5540] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5539] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5538] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] exit_group(0./strace-static-x86_64: Process 5541 attached [pid 5540] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5538] <... futex resumed>) = 1 [pid 5537] <... futex resumed>) = ? [pid 5533] <... futex resumed>) = 0 [pid 5532] <... exit_group resumed>) = ? [pid 5541] set_robust_list(0x5555563db5e0, 24 [pid 5540] <... futex resumed>) = 1 [pid 5539] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] +++ exited with 0 +++ [pid 5535] <... futex resumed>) = 0 [pid 5533] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] +++ exited with 0 +++ [pid 5540] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5542 attached [pid 5541] <... set_robust_list resumed>) = 0 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] fspick(AT_FDCWD, ".", 0 [pid 5535] <... futex resumed>) = 0 [pid 5534] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] set_robust_list(0x5555563db5e0, 24 [pid 5540] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] <... openat resumed>) = 3 [pid 5539] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5538] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... openat resumed>) = 3 [pid 5538] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5542] <... prctl resumed>) = 0 [pid 5540] <... futex resumed>) = 1 [pid 5539] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5542] setpgid(0, 0 [pid 5540] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 1 [pid 5538] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5535] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5542] <... setpgid resumed>) = 0 [pid 5541] <... prctl resumed>) = 0 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5535] <... futex resumed>) = 0 [pid 5534] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] setpgid(0, 0 [pid 5540] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5542] <... openat resumed>) = 3 [pid 5541] <... setpgid resumed>) = 0 [pid 5540] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5539] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5538] <... futex resumed>) = 0 [pid 5534] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... close resumed>) = 0 [pid 5542] write(3, "1000", 4 [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5538] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5542] <... write resumed>) = 4 [pid 5540] <... futex resumed>) = 1 [pid 5539] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5542] close(3 [pid 5540] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... futex resumed>) = 1 [pid 5535] exit_group(0 [pid 5534] <... futex resumed>) = 0 [pid 5542] <... close resumed>) = 0 [pid 5540] <... futex resumed>) = ? [pid 5539] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5535] <... exit_group resumed>) = ? [pid 5534] exit_group(0 [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... openat resumed>) = 3 [pid 5540] +++ exited with 0 +++ [pid 5539] <... futex resumed>) = ? [pid 5538] <... openat resumed>) = 3 [pid 5535] +++ exited with 0 +++ [pid 5534] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5543 [pid 5542] <... futex resumed>) = 0 [pid 5541] write(3, "1000", 4 [pid 5539] +++ exited with 0 +++ [pid 5538] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5543 attached [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5541] <... write resumed>) = 4 [pid 5538] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5542] <... mmap resumed>) = 0x7fc4ee163000 [pid 5541] close(3 [pid 5538] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5543] set_robust_list(0x5555563db5e0, 24 [pid 5542] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5541] <... close resumed>) = 0 [pid 5538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5543] <... set_robust_list resumed>) = 0 [pid 5542] <... mprotect resumed>) = 0 [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5533] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5542] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5541] <... futex resumed>) = 0 [pid 5538] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5538] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5542] <... clone resumed>, parent_tid=[5544], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5544 [pid 5541] <... mmap resumed>) = 0x7fc4ee163000 [pid 5538] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5000] close(3 [pid 4999] close(3 [pid 5543] <... prctl resumed>) = 0 [pid 5542] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5538] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5543] setpgid(0, 0 [pid 5542] <... futex resumed>) = 0 [pid 5541] <... mprotect resumed>) = 0 [pid 5538] <... futex resumed>) = ? [pid 5533] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5541] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5538] +++ exited with 0 +++ [pid 5543] <... setpgid resumed>) = 0 [pid 5533] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5545 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5546 [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] <... clone resumed>, parent_tid=[5547], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5547 [pid 5543] <... openat resumed>) = 3 [pid 5541] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] write(3, "1000", 4 [pid 5541] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5543] <... write resumed>) = 4 [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5543] close(3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5543] <... close resumed>) = 0 [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5548 [pid 5543] <... futex resumed>) = 0 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5546 attached [pid 5546] set_robust_list(0x5555563db5e0, 24 [pid 5543] <... mmap resumed>) = 0x7fc4ee163000 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5546] setpgid(0, 0) = 0 [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5543] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5546] write(3, "1000", 4 [pid 5543] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5546] <... write resumed>) = 4 [pid 5546] close(3) = 0 [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5544 attached ) = 0x7fc4ee163000 [pid 5543] <... clone resumed>, parent_tid=[5549], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5549 [pid 5546] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5544] set_robust_list(0x7fc4ee1839e0, 24 [pid 5543] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5548 attached ./strace-static-x86_64: Process 5545 attached [pid 5546] <... mprotect resumed>) = 0 [pid 5544] <... set_robust_list resumed>) = 0 [pid 5543] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5547 attached [pid 5548] set_robust_list(0x5555563db5e0, 24 [pid 5546] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5545] set_robust_list(0x5555563db5e0, 24 [pid 5544] memfd_create("syzkaller", 0 [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5548] <... set_robust_list resumed>) = 0 [pid 5547] set_robust_list(0x7fc4ee1839e0, 24 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5544] <... memfd_create resumed>) = 3 [pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] <... clone resumed>, parent_tid=[5550], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5550 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5546] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... prctl resumed>) = 0 [pid 5544] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5548] <... prctl resumed>) = 0 [pid 5547] memfd_create("syzkaller", 0 [pid 5546] <... futex resumed>) = 0 [pid 5545] setpgid(0, 0 [pid 5544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5545] <... setpgid resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5544] <... write resumed>) = 262144 [pid 5545] <... openat resumed>) = 3 [pid 5545] write(3, "1000", 4) = 4 [pid 5545] close(3) = 0 [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5545] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5545] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5551], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5551 [pid 5545] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5544] munmap(0x7fc4e5d63000, 262144 [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5544] <... munmap resumed>) = 0 [pid 5544] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5544] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5550 attached [pid 5550] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5550] memfd_create("syzkaller", 0) = 3 [pid 5550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5547] <... memfd_create resumed>) = 3 [pid 5550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5548] setpgid(0, 0./strace-static-x86_64: Process 5549 attached ) = 0 [pid 5547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5544] ioctl(4, LOOP_SET_FD, 3 [pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5549] set_robust_list(0x7fc4ee1839e0, 24 [pid 5547] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5544] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5548] <... openat resumed>) = 3 [pid 5544] close(4) = 0 [pid 5544] close(3) = 0 [pid 5544] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5544] fspick(AT_FDCWD, ".", 0 [pid 5542] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] write(3, "1000", 4 [pid 5544] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5542] <... futex resumed>) = 0 [pid 5550] <... write resumed>) = 262144 [pid 5549] <... set_robust_list resumed>) = 0 [pid 5548] <... write resumed>) = 4 [pid 5547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5544] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] close(3 [pid 5544] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... close resumed>) = 0 [pid 5544] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5542] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5542] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5551 attached [pid 5549] memfd_create("syzkaller", 0 [pid 5548] <... futex resumed>) = 0 [pid 5544] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] set_robust_list(0x7fc4ee1839e0, 24 [pid 5550] munmap(0x7fc4e5d63000, 262144 [pid 5544] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] <... munmap resumed>) = 0 [pid 5549] <... memfd_create resumed>) = 3 [pid 5548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5547] <... write resumed>) = 262144 [pid 5544] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5542] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] memfd_create("syzkaller", 0 [pid 5550] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5548] <... mmap resumed>) = 0x7fc4ee163000 [pid 5547] munmap(0x7fc4e5d63000, 262144 [pid 5544] <... openat resumed>) = 3 [pid 5542] <... futex resumed>) = 0 [pid 5551] <... memfd_create resumed>) = 3 [pid 5550] <... openat resumed>) = 4 [pid 5549] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5548] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5544] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5550] ioctl(4, LOOP_SET_FD, 3 [pid 5544] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5550] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5548] <... mprotect resumed>) = 0 [pid 5544] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5550] ioctl(4, LOOP_CLR_FD [pid 5549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5548] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5547] <... munmap resumed>) = 0 [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] <... futex resumed>) = 0 [pid 5551] <... write resumed>) = 262144 [pid 5550] <... ioctl resumed>) = 0 [pid 5549] <... write resumed>) = 262144 [pid 5547] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5544] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5542] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] <... clone resumed>, parent_tid=[5552], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5552 [pid 5547] <... openat resumed>) = 4 [pid 5544] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5549] munmap(0x7fc4e5d63000, 262144 [pid 5551] munmap(0x7fc4e5d63000, 262144 [pid 5548] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] ioctl(4, LOOP_SET_FD, 3 [pid 5544] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... munmap resumed>) = 0 [pid 5549] <... munmap resumed>) = 0 [pid 5548] <... futex resumed>) = 0 [pid 5547] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5544] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5551] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5544] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] exit_group(0 [pid 5551] <... openat resumed>) = 4 [pid 5550] ioctl(4, LOOP_SET_FD, 3 [pid 5549] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5547] ioctl(4, LOOP_CLR_FD [pid 5544] <... futex resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5551] ioctl(4, LOOP_SET_FD, 3 [pid 5550] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5549] <... openat resumed>) = 4 [pid 5547] <... ioctl resumed>) = 0 [pid 5544] +++ exited with 0 +++ [pid 5542] +++ exited with 0 +++ [pid 5551] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5550] close(4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5551] ioctl(4, LOOP_CLR_FD [pid 5550] <... close resumed>) = 0 [pid 5549] ioctl(4, LOOP_SET_FD, 3 [pid 5551] <... ioctl resumed>) = 0 [pid 5550] close(3 [pid 5549] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5550] <... close resumed>) = 0 [pid 5549] ioctl(4, LOOP_CLR_FD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5552 attached [pid 5550] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5550] <... futex resumed>) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5550] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] <... ioctl resumed>) = 0 [pid 5547] ioctl(4, LOOP_SET_FD, 3 [pid 5546] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5550] fspick(AT_FDCWD, ".", 0 [pid 5547] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5552] set_robust_list(0x7fc4ee1839e0, 24 [pid 5551] ioctl(4, LOOP_SET_FD, 3 [pid 5550] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5547] close(4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] <... set_robust_list resumed>) = 0 [pid 5551] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5550] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... close resumed>) = 0 [pid 5551] close(4 [pid 5550] <... futex resumed>) = 1 [pid 5549] ioctl(4, LOOP_SET_FD, 3 [pid 5547] close(3 [pid 5546] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5553 [pid 5552] memfd_create("syzkaller", 0 [pid 5551] <... close resumed>) = 0 [pid 5550] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5546] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] close(3 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... futex resumed>) = 0 [pid 5552] <... memfd_create resumed>) = 3 [pid 5551] <... close resumed>) = 0 [pid 5550] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5549] close(4 [pid 5547] <... close resumed>) = 0 [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5549] <... close resumed>) = 0 [pid 5547] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5551] <... futex resumed>) = 1 [pid 5550] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] close(3 [pid 5547] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5551] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... futex resumed>) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5551] fspick(AT_FDCWD, ".", 0 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5550] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5549] <... close resumed>) = 0 [pid 5547] fspick(AT_FDCWD, ".", 0 [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5551] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... openat resumed>) = 3 [pid 5549] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5541] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 1 [pid 5550] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = 1 [pid 5547] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... futex resumed>) = 1 [pid 5549] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5547] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] fspick(AT_FDCWD, ".", 0 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 [pid 5551] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5550] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5549] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5547] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5546] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5549] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5551] <... futex resumed>) = 1 [pid 5550] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = 1 [pid 5547] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5551] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... futex resumed>) = 1 [pid 5549] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5547] <... futex resumed>) = 1 [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] exit_group(0 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5550] <... futex resumed>) = ? [pid 5549] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... exit_group resumed>) = ? [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 [pid 5552] <... write resumed>) = 262144 [pid 5551] <... openat resumed>) = 3 [pid 5550] +++ exited with 0 +++ [pid 5549] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5547] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5546] +++ exited with 0 +++ [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5551] <... futex resumed>) = 1 [pid 5549] <... futex resumed>) = 1 [pid 5547] <... openat resumed>) = 3 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5551] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5547] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] munmap(0x7fc4e5d63000, 262144 [pid 5551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5551] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5549] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5547] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5549] <... openat resumed>) = 3 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5541] <... futex resumed>) = 0 [pid 5551] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5541] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5552] <... munmap resumed>) = 0 [pid 5551] <... futex resumed>) = 1 [pid 5549] <... futex resumed>) = 1 [pid 5547] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5552] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5551] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5549] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5547] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] exit_group(0 [pid 5543] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5552] <... openat resumed>) = 4 [pid 5551] <... futex resumed>) = ? [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] <... futex resumed>) = 1 [pid 5545] <... exit_group resumed>) = ? [pid 5543] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5552] ioctl(4, LOOP_SET_FD, 3 [pid 5551] +++ exited with 0 +++ [pid 5549] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5547] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] +++ exited with 0 +++ [pid 5543] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] exit_group(0 [pid 4999] close(3 [pid 5552] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5549] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5547] <... futex resumed>) = ? [pid 5541] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... close resumed>) = 0 [pid 5549] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] +++ exited with 0 +++ [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] +++ exited with 0 +++ [pid 5549] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5552] ioctl(4, LOOP_CLR_FD) = 0 [pid 5549] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] exit_group(0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5554 [pid 5549] <... futex resumed>) = ? [pid 5543] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5000] <... openat resumed>) = 3 [pid 5549] +++ exited with 0 +++ [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5543] +++ exited with 0 +++ [pid 5004] <... restart_syscall resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5555 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5553 attached [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] <... restart_syscall resumed>) = 0 [pid 5552] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... ioctl resumed>) = 0 [pid 5553] set_robust_list(0x5555563db5e0, 24 [pid 5552] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] close(3 [pid 5552] close(4 [pid 5004] <... close resumed>) = 0 [pid 5552] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5553] <... set_robust_list resumed>) = 0 [pid 5552] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5556 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3./strace-static-x86_64: Process 5554 attached ) = 0 [pid 5554] set_robust_list(0x5555563db5e0, 24 [pid 5552] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5554] <... set_robust_list resumed>) = 0 [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5554] setpgid(0, 0) = 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5552] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... prctl resumed>) = 0 [pid 5552] <... futex resumed>) = 1 [pid 5548] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5557 [pid 5553] setpgid(0, 0 [pid 5552] fspick(AT_FDCWD, ".", 0 [pid 5548] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... setpgid resumed>) = 0 [pid 5552] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5548] <... futex resumed>) = 0 [pid 5552] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5552] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... openat resumed>) = 3 [pid 5552] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5548] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] write(3, "1000", 4 [pid 5552] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5548] <... futex resumed>) = 0 [pid 5553] <... openat resumed>) = 3 [pid 5554] <... write resumed>) = 4 [pid 5552] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] write(3, "1000", 4 [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... futex resumed>) = 0 [pid 5553] <... write resumed>) = 4 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] close(3 [pid 5548] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... futex resumed>) = 0 [pid 5553] <... close resumed>) = 0 [pid 5552] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5555 attached [pid 5554] close(3 [pid 5555] set_robust_list(0x5555563db5e0, 24 [pid 5554] <... close resumed>) = 0 [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... openat resumed>) = 3 [pid 5555] <... set_robust_list resumed>) = 0 [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = 0 [pid 5552] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] <... futex resumed>) = 0 [pid 5553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5552] <... futex resumed>) = 1 [pid 5548] <... futex resumed>) = 0 [pid 5555] <... prctl resumed>) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5552] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5548] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... mmap resumed>) = 0x7fc4ee163000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... futex resumed>) = 0 [pid 5555] setpgid(0, 0 [pid 5554] <... mmap resumed>) = 0x7fc4ee163000 [pid 5553] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5552] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5548] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5557 attached [pid 5555] <... setpgid resumed>) = 0 [pid 5554] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5553] <... mprotect resumed>) = 0 [pid 5552] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5556 attached [pid 5557] set_robust_list(0x5555563db5e0, 24 [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5554] <... mprotect resumed>) = 0 [pid 5553] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5552] <... futex resumed>) = 1 [pid 5548] <... futex resumed>) = 0 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5555] <... openat resumed>) = 3 [pid 5554] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5552] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5548] exit_group(0 [pid 5556] set_robust_list(0x5555563db5e0, 24 [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5555] write(3, "1000", 4 [pid 5553] <... clone resumed>, parent_tid=[5558], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5558 [pid 5552] <... futex resumed>) = ? [pid 5548] <... exit_group resumed>) = ? [pid 5557] <... prctl resumed>) = 0 [pid 5555] <... write resumed>) = 4 [pid 5554] <... clone resumed>, parent_tid=[5559], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5559 [pid 5553] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] setpgid(0, 0 [pid 5555] close(3 [pid 5554] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... setpgid resumed>) = 0 [pid 5555] <... close resumed>) = 0 [pid 5554] <... futex resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5557] <... openat resumed>) = 3 [pid 5555] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 5552] +++ exited with 0 +++ [pid 5548] +++ exited with 0 +++ [pid 5557] write(3, "1000", 4 [pid 5555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5557] <... write resumed>) = 4 [pid 5556] <... set_robust_list resumed>) = 0 [pid 5555] <... mmap resumed>) = 0x7fc4ee163000 [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5557] close(3 [pid 5555] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... restart_syscall resumed>) = 0 [pid 5557] <... close resumed>) = 0 [pid 5556] <... prctl resumed>) = 0 [pid 5555] <... mprotect resumed>) = 0 [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5556] setpgid(0, 0 [pid 5557] <... futex resumed>) = 0 [pid 5556] <... setpgid resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5555] <... clone resumed>, parent_tid=[5560], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5560 [pid 5003] <... openat resumed>) = 3 [pid 5557] <... mmap resumed>) = 0x7fc4ee163000 [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5555] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5557] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5555] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5559 attached [pid 5557] <... mprotect resumed>) = 0 [pid 5556] <... openat resumed>) = 3 [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] close(3 [pid 5559] set_robust_list(0x7fc4ee1839e0, 24 [pid 5557] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5556] write(3, "1000", 4 [pid 5003] <... close resumed>) = 0 ./strace-static-x86_64: Process 5558 attached [pid 5559] <... set_robust_list resumed>) = 0 [pid 5556] <... write resumed>) = 4 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5559] memfd_create("syzkaller", 0 [pid 5558] set_robust_list(0x7fc4ee1839e0, 24 [pid 5557] <... clone resumed>, parent_tid=[5561], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5561 [pid 5556] close(3 [pid 5559] <... memfd_create resumed>) = 3 [pid 5557] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5562 [pid 5559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5557] <... futex resumed>) = 0 [pid 5559] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5558] <... set_robust_list resumed>) = 0 [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5560 attached [pid 5559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5556] <... futex resumed>) = 0 [pid 5560] set_robust_list(0x7fc4ee1839e0, 24 [pid 5558] memfd_create("syzkaller", 0 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5558] <... memfd_create resumed>) = 3 [pid 5556] <... mmap resumed>) = 0x7fc4ee163000 [pid 5558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5556] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5559] <... write resumed>) = 262144 [pid 5558] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5556] <... mprotect resumed>) = 0 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5559] munmap(0x7fc4e5d63000, 262144 [pid 5556] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5563], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5563 [pid 5559] <... munmap resumed>) = 0 [pid 5556] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5559] ioctl(4, LOOP_CLR_FD [pid 5560] memfd_create("syzkaller", 0 [pid 5559] <... ioctl resumed>) = 0 [pid 5558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5561 attached [pid 5561] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5561] memfd_create("syzkaller", 0) = 3 [pid 5561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5560] <... memfd_create resumed>) = 3 [pid 5561] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5558] <... write resumed>) = 262144 [pid 5561] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5560] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5559] ioctl(4, LOOP_SET_FD, 3 [pid 5558] munmap(0x7fc4e5d63000, 262144 [pid 5559] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5559] close(4) = 0 [pid 5559] close(3) = 0 [pid 5559] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5559] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5559] fspick(AT_FDCWD, ".", 0 [pid 5554] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... write resumed>) = 262144 [pid 5559] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5558] <... munmap resumed>) = 0 [pid 5554] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5562 attached [pid 5560] <... write resumed>) = 262144 [pid 5559] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5559] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5558] <... openat resumed>) = 4 [pid 5554] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5554] <... futex resumed>) = 0 [pid 5561] munmap(0x7fc4e5d63000, 262144 [pid 5559] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] set_robust_list(0x5555563db5e0, 24 [pid 5560] munmap(0x7fc4e5d63000, 262144 [pid 5559] <... futex resumed>) = 0 [pid 5558] ioctl(4, LOOP_SET_FD, 3 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5554] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... openat resumed>) = 3 [pid 5558] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5554] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5563 attached [pid 5561] <... munmap resumed>) = 0 [pid 5560] <... munmap resumed>) = 0 [pid 5559] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] ioctl(4, LOOP_CLR_FD [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] <... set_robust_list resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5559] <... futex resumed>) = 0 [pid 5558] <... ioctl resumed>) = 0 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... openat resumed>) = 4 [pid 5559] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5563] set_robust_list(0x7fc4ee1839e0, 24 [pid 5561] ioctl(4, LOOP_SET_FD, 3 [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5562] <... prctl resumed>) = 0 [pid 5561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5560] <... openat resumed>) = 4 [pid 5559] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5554] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] ioctl(4, LOOP_CLR_FD [pid 5559] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5562] setpgid(0, 0 [pid 5561] <... ioctl resumed>) = 0 [pid 5559] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5563] <... set_robust_list resumed>) = 0 [pid 5562] <... setpgid resumed>) = 0 [pid 5560] ioctl(4, LOOP_SET_FD, 3 [pid 5559] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] exit_group(0 [pid 5559] <... futex resumed>) = ? [pid 5558] ioctl(4, LOOP_SET_FD, 3 [pid 5554] <... exit_group resumed>) = ? [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5563] memfd_create("syzkaller", 0 [pid 5560] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5559] +++ exited with 0 +++ [pid 5558] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5554] +++ exited with 0 +++ [pid 5562] <... openat resumed>) = 3 [pid 5561] ioctl(4, LOOP_SET_FD, 3 [pid 5560] ioctl(4, LOOP_CLR_FD [pid 5558] close(4 [pid 5563] <... memfd_create resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5562] write(3, "1000", 4 [pid 5561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5560] <... ioctl resumed>) = 0 [pid 5558] <... close resumed>) = 0 [pid 5562] <... write resumed>) = 4 [pid 5561] close(4 [pid 5558] close(3 [pid 5563] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5562] close(3 [pid 5561] <... close resumed>) = 0 [pid 5561] close(3 [pid 5562] <... close resumed>) = 0 [pid 5561] <... close resumed>) = 0 [pid 5558] <... close resumed>) = 0 [pid 5561] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5561] <... futex resumed>) = 1 [pid 5558] <... futex resumed>) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5561] fspick(AT_FDCWD, ".", 0 [pid 5558] fspick(AT_FDCWD, ".", 0 [pid 5557] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5562] <... mmap resumed>) = 0x7fc4ee163000 [pid 5558] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5562] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5561] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] ioctl(4, LOOP_SET_FD, 3 [pid 5558] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5561] <... futex resumed>) = 0 [pid 5560] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5558] <... futex resumed>) = 0 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5562] <... mprotect resumed>) = 0 [pid 5561] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] close(4 [pid 5558] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5562] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... close resumed>) = 0 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5561] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5560] close(3 [pid 5558] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 [pid 5561] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5558] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5562] <... clone resumed>, parent_tid=[5564], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5564 [pid 5561] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... close resumed>) = 0 [pid 5558] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 1 [pid 5560] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... futex resumed>) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5565 [pid 5562] <... futex resumed>) = 0 [pid 5561] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 1 [pid 5558] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = 0 [pid 5553] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = 0 [pid 5555] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = 0 [pid 5561] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] <... futex resumed>) = 0 [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] <... openat resumed>) = 3 [pid 5560] fspick(AT_FDCWD, ".", 0 [pid 5558] <... openat resumed>) = 3 [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5558] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 1 [pid 5558] <... futex resumed>) = 1 [pid 5560] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 5561] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 1 [pid 5558] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = 0 [pid 5553] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5564 attached [pid 5563] <... write resumed>) = 262144 [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = 0 [pid 5555] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = 0 [pid 5564] set_robust_list(0x7fc4ee1839e0, 24 [pid 5563] munmap(0x7fc4e5d63000, 262144 [pid 5561] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5557] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] <... futex resumed>) = 0 [pid 5553] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... set_robust_list resumed>) = 0 [pid 5561] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5560] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5558] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] memfd_create("syzkaller", 0 [pid 5563] <... munmap resumed>) = 0 [pid 5561] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5558] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5565 attached [pid 5564] <... memfd_create resumed>) = 3 [pid 5563] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5561] <... futex resumed>) = 1 [pid 5560] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... futex resumed>) = 1 [pid 5557] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 5565] set_robust_list(0x5555563db5e0, 24 [pid 5564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5563] <... openat resumed>) = 4 [pid 5561] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 1 [pid 5558] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] exit_group(0 [pid 5555] <... futex resumed>) = 0 [pid 5553] exit_group(0 [pid 5565] <... set_robust_list resumed>) = 0 [pid 5564] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5563] ioctl(4, LOOP_SET_FD, 3 [pid 5561] <... futex resumed>) = ? [pid 5560] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] <... futex resumed>) = ? [pid 5557] <... exit_group resumed>) = ? [pid 5555] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... exit_group resumed>) = ? [pid 5565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5563] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5561] +++ exited with 0 +++ [pid 5560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] +++ exited with 0 +++ [pid 5557] +++ exited with 0 +++ [pid 5555] <... futex resumed>) = 0 [pid 5565] <... prctl resumed>) = 0 [pid 5564] <... write resumed>) = 262144 [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] setpgid(0, 0 [pid 5564] munmap(0x7fc4e5d63000, 262144 [pid 5565] <... setpgid resumed>) = 0 [pid 5565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5553] +++ exited with 0 +++ [pid 5565] write(3, "1000", 4 [pid 5564] <... munmap resumed>) = 0 [pid 5560] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5565] <... write resumed>) = 4 [pid 5564] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5565] close(3 [pid 5564] <... openat resumed>) = 4 [pid 5565] <... close resumed>) = 0 [pid 5564] ioctl(4, LOOP_SET_FD, 3 [pid 5560] <... openat resumed>) = 3 [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5564] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5560] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5564] ioctl(4, LOOP_CLR_FD [pid 5560] <... futex resumed>) = 1 [pid 5555] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5565] <... mmap resumed>) = 0x7fc4ee163000 [pid 5564] <... ioctl resumed>) = 0 [pid 5560] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5555] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5565] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5555] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... ioctl resumed>) = 0 [pid 5560] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5565] <... mprotect resumed>) = 0 [pid 5563] ioctl(4, LOOP_CLR_FD [pid 5560] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5565] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5563] <... ioctl resumed>) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5560] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] exit_group(0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5565] <... clone resumed>, parent_tid=[5566], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5566 [pid 5560] <... futex resumed>) = ? [pid 5555] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5565] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] ioctl(4, LOOP_SET_FD, 3 [pid 5560] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 5565] <... futex resumed>) = 0 [pid 5564] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5564] close(4) = 0 [pid 5563] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5568 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5567 [pid 5564] close(3 [pid 5563] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5564] <... close resumed>) = 0 [pid 5563] close(4 [pid 5000] <... openat resumed>) = 3 [pid 5564] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... close resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5564] <... futex resumed>) = 1 [pid 5563] close(3 [pid 5562] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5564] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5564] fspick(AT_FDCWD, ".", 0 [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5564] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5563] <... close resumed>) = 0 [pid 5564] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5569 [pid 5564] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = 0 [pid 5564] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5567 attached [pid 5564] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5563] fspick(AT_FDCWD, ".", 0 [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5563] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5564] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5563] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5564] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5563] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] <... futex resumed>) = 0 [pid 5556] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] set_robust_list(0x5555563db5e0, 24 [pid 5564] <... openat resumed>) = 3 [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5568 attached ./strace-static-x86_64: Process 5566 attached [pid 5567] <... set_robust_list resumed>) = 0 [pid 5564] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5569 attached [pid 5568] set_robust_list(0x5555563db5e0, 24 [pid 5566] set_robust_list(0x7fc4ee1839e0, 24 [pid 5564] <... futex resumed>) = 0 [pid 5563] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5562] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] set_robust_list(0x5555563db5e0, 24 [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] <... set_robust_list resumed>) = 0 [pid 5564] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5563] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = 0 [pid 5569] <... set_robust_list resumed>) = 0 [pid 5568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] memfd_create("syzkaller", 0 [pid 5564] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5563] <... futex resumed>) = 1 [pid 5562] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5568] <... prctl resumed>) = 0 [pid 5567] <... prctl resumed>) = 0 [pid 5566] <... memfd_create resumed>) = 3 [pid 5564] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... prctl resumed>) = 0 [pid 5568] setpgid(0, 0 [pid 5566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5564] <... futex resumed>) = 0 [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] exit_group(0 [pid 5569] setpgid(0, 0 [pid 5568] <... setpgid resumed>) = 0 [pid 5567] setpgid(0, 0 [pid 5566] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5563] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5562] <... exit_group resumed>) = ? [pid 5556] <... futex resumed>) = 0 [pid 5569] <... setpgid resumed>) = 0 [pid 5568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5567] <... setpgid resumed>) = 0 [pid 5566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5564] +++ exited with 0 +++ [pid 5563] <... openat resumed>) = 3 [pid 5562] +++ exited with 0 +++ [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5568] <... openat resumed>) = 3 [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5566] <... write resumed>) = 262144 [pid 5563] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... openat resumed>) = 3 [pid 5568] write(3, "1000", 4 [pid 5567] <... openat resumed>) = 3 [pid 5566] munmap(0x7fc4e5d63000, 262144 [pid 5563] <... futex resumed>) = 0 [pid 5556] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5569] write(3, "1000", 4 [pid 5568] <... write resumed>) = 4 [pid 5567] write(3, "1000", 4 [pid 5566] <... munmap resumed>) = 0 [pid 5563] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5556] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5569] <... write resumed>) = 4 [pid 5568] close(3 [pid 5567] <... write resumed>) = 4 [pid 5566] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5563] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5556] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5569] close(3 [pid 5568] <... close resumed>) = 0 [pid 5567] close(3 [pid 5566] <... openat resumed>) = 4 [pid 5563] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5569] <... close resumed>) = 0 [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... close resumed>) = 0 [pid 5566] ioctl(4, LOOP_SET_FD, 3 [pid 5563] <... futex resumed>) = 0 [pid 5556] exit_group(0 [pid 5003] <... ioctl resumed>) = 0 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = 0 [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5569] <... futex resumed>) = 0 [pid 5568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5567] <... futex resumed>) = 0 [pid 5566] ioctl(4, LOOP_CLR_FD [pid 5563] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5568] <... mmap resumed>) = 0x7fc4ee163000 [pid 5566] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5569] <... mmap resumed>) = 0x7fc4ee163000 [pid 5568] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] +++ exited with 0 +++ [pid 5569] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5568] <... mprotect resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5570 [pid 5569] <... mprotect resumed>) = 0 [pid 5568] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5567] <... mmap resumed>) = 0x7fc4ee163000 [pid 5569] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5567] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5568] <... clone resumed>, parent_tid=[5571], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5571 [pid 5566] ioctl(4, LOOP_SET_FD, 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5569] <... clone resumed>, parent_tid=[5572], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5572 [pid 5568] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... mprotect resumed>) = 0 [pid 5566] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... openat resumed>) = 3 [pid 5569] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = 0 [pid 5567] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5566] close(4 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5569] <... futex resumed>) = 0 [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5566] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5567] <... clone resumed>, parent_tid=[5573], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5573 [pid 5566] close(3 [pid 5004] close(3 [pid 5567] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5567] <... futex resumed>) = 0 [pid 5566] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5570 attached [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5566] <... futex resumed>) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5566] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5574 [pid 5570] set_robust_list(0x5555563db5e0, 24 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] <... futex resumed>) = 0 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5566] fspick(AT_FDCWD, ".", 0 [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5566] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] <... futex resumed>) = 0 [pid 5566] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5570] <... prctl resumed>) = 0 [pid 5566] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] setpgid(0, 0 [pid 5566] <... futex resumed>) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5566] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] <... futex resumed>) = 0 [pid 5566] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5573 attached [pid 5570] <... setpgid resumed>) = 0 [pid 5566] <... openat resumed>) = 3 [pid 5566] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5565] <... futex resumed>) = 0 [pid 5566] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] <... futex resumed>) = 0 [pid 5566] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5565] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5572 attached [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5566] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5572] set_robust_list(0x7fc4ee1839e0, 24 [pid 5566] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5570] <... openat resumed>) = 3 [pid 5566] <... futex resumed>) = 1 [pid 5565] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5571 attached ./strace-static-x86_64: Process 5574 attached [pid 5573] set_robust_list(0x7fc4ee1839e0, 24 [pid 5572] memfd_create("syzkaller", 0 [pid 5570] write(3, "1000", 4 [pid 5566] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5565] exit_group(0 [pid 5574] set_robust_list(0x5555563db5e0, 24 [pid 5572] <... memfd_create resumed>) = 3 [pid 5566] <... futex resumed>) = ? [pid 5565] <... exit_group resumed>) = ? [pid 5574] <... set_robust_list resumed>) = 0 [pid 5573] <... set_robust_list resumed>) = 0 [pid 5572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5571] set_robust_list(0x7fc4ee1839e0, 24 [pid 5570] <... write resumed>) = 4 [pid 5566] +++ exited with 0 +++ [pid 5565] +++ exited with 0 +++ [pid 5574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5573] memfd_create("syzkaller", 0 [pid 5572] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5570] close(3 [pid 5574] <... prctl resumed>) = 0 [pid 5573] <... memfd_create resumed>) = 3 [pid 5572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5571] memfd_create("syzkaller", 0 [pid 5570] <... close resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5574] setpgid(0, 0 [pid 5573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5571] <... memfd_create resumed>) = 3 [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5574] <... setpgid resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5573] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5574] <... openat resumed>) = 3 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5571] <... mmap resumed>) = 0x7fc4e5d63000 [pid 4999] <... ioctl resumed>) = 0 [pid 5574] write(3, "1000", 4 [pid 4999] close(3 [pid 5574] <... write resumed>) = 4 [pid 5570] <... mmap resumed>) = 0x7fc4ee163000 [pid 4999] <... close resumed>) = 0 [pid 5574] close(3 [pid 5572] <... write resumed>) = 262144 [pid 5570] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5574] <... close resumed>) = 0 [pid 5572] munmap(0x7fc4e5d63000, 262144 [pid 5570] <... mprotect resumed>) = 0 [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5570] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5575 [pid 5574] <... futex resumed>) = 0 [pid 5572] <... munmap resumed>) = 0 [pid 5574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5570] <... clone resumed>, parent_tid=[5576], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5576 [pid 5574] <... mmap resumed>) = 0x7fc4ee163000 [pid 5572] <... openat resumed>) = 4 [pid 5571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5570] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5572] ioctl(4, LOOP_SET_FD, 3 [pid 5570] <... futex resumed>) = 0 [pid 5574] <... mprotect resumed>) = 0 [pid 5572] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5574] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5572] ioctl(4, LOOP_CLR_FD [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5572] <... ioctl resumed>) = 0 [pid 5574] <... clone resumed>, parent_tid=[5577], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5577 [pid 5574] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5571] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5575 attached [pid 5575] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5573] <... write resumed>) = 262144 [pid 5572] close(4 [pid 5571] munmap(0x7fc4e5d63000, 262144 [pid 5573] munmap(0x7fc4e5d63000, 262144 [pid 5572] <... close resumed>) = 0 [pid 5572] close(3 [pid 5573] <... munmap resumed>) = 0 [pid 5572] <... close resumed>) = 0 [pid 5571] <... munmap resumed>) = 0 [pid 5573] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5572] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5572] fspick(AT_FDCWD, ".", 0 [pid 5569] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5569] <... futex resumed>) = 0 [pid 5572] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... openat resumed>) = 4 [pid 5572] <... futex resumed>) = 0 [pid 5571] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5572] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5571] <... openat resumed>) = 4 [pid 5569] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5572] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5571] ioctl(4, LOOP_SET_FD, 3 [pid 5569] <... futex resumed>) = 0 [pid 5575] <... prctl resumed>) = 0 [pid 5573] ioctl(4, LOOP_CLR_FD [pid 5572] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5575] setpgid(0, 0 [pid 5573] <... ioctl resumed>) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5571] ioctl(4, LOOP_CLR_FD [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5577 attached [pid 5575] <... setpgid resumed>) = 0 [pid 5572] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... ioctl resumed>) = 0 [pid 5569] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] set_robust_list(0x7fc4ee1839e0, 24 [pid 5575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5577] <... set_robust_list resumed>) = 0 [pid 5575] <... openat resumed>) = 3 [pid 5572] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] memfd_create("syzkaller", 0 [pid 5575] write(3, "1000", 4 [pid 5572] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5576 attached [pid 5577] <... memfd_create resumed>) = 3 [pid 5575] <... write resumed>) = 4 [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5572] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5575] close(3 [pid 5573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5576] set_robust_list(0x7fc4ee1839e0, 24 [pid 5572] <... futex resumed>) = 1 [pid 5571] ioctl(4, LOOP_SET_FD, 3 [pid 5569] <... futex resumed>) = 0 [pid 5577] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5576] <... set_robust_list resumed>) = 0 [pid 5575] <... close resumed>) = 0 [pid 5573] close(4 [pid 5572] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5569] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5576] memfd_create("syzkaller", 0 [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... close resumed>) = 0 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] close(4 [pid 5569] <... futex resumed>) = 0 [pid 5577] <... write resumed>) = 262144 [pid 5576] <... memfd_create resumed>) = 3 [pid 5575] <... futex resumed>) = 0 [pid 5573] close(3 [pid 5572] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5571] <... close resumed>) = 0 [pid 5569] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5577] munmap(0x7fc4e5d63000, 262144 [pid 5575] <... mmap resumed>) = 0x7fc4ee163000 [pid 5573] <... close resumed>) = 0 [pid 5572] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] close(3 [pid 5577] <... munmap resumed>) = 0 [pid 5576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5575] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5573] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5575] <... mprotect resumed>) = 0 [pid 5572] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] exit_group(0 [pid 5577] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5575] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5572] <... futex resumed>) = ? [pid 5571] <... close resumed>) = 0 [pid 5569] <... exit_group resumed>) = ? [pid 5573] <... futex resumed>) = 1 [pid 5567] <... futex resumed>) = 0 [pid 5577] <... openat resumed>) = 4 [pid 5576] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5573] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] +++ exited with 0 +++ [pid 5571] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] +++ exited with 0 +++ [pid 5567] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] ioctl(4, LOOP_SET_FD, 3 [pid 5575] <... clone resumed>, parent_tid=[5578], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5578 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5577] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5575] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] fspick(AT_FDCWD, ".", 0 [pid 5571] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] ioctl(4, LOOP_CLR_FD [pid 5575] <... futex resumed>) = 0 [pid 5573] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5577] <... ioctl resumed>) = 0 [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5573] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] fspick(AT_FDCWD, ".", 0 [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5573] <... futex resumed>) = 1 [pid 5571] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5567] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5573] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5573] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5571] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] close(3 [pid 5576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5573] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5573] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5577] ioctl(4, LOOP_SET_FD, 3 [pid 5573] <... futex resumed>) = 1 [pid 5571] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5567] <... futex resumed>) = 0 [pid 5577] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5573] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5579 ./strace-static-x86_64: Process 5578 attached [pid 5577] close(4 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5567] <... futex resumed>) = 0 [pid 5578] set_robust_list(0x7fc4ee1839e0, 24 [pid 5577] <... close resumed>) = 0 [pid 5576] <... write resumed>) = 262144 [pid 5573] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5571] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] close(3 [pid 5578] memfd_create("syzkaller", 0 [pid 5577] <... close resumed>) = 0 [pid 5576] munmap(0x7fc4e5d63000, 262144 [pid 5573] <... openat resumed>) = 3 [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5578] <... memfd_create resumed>) = 3 [pid 5577] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5577] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = 1 [pid 5567] <... futex resumed>) = 0 [pid 5578] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5577] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... openat resumed>) = 3 [pid 5567] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... munmap resumed>) = 0 [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... futex resumed>) = 0 [pid 5577] fspick(AT_FDCWD, ".", 0 [pid 5576] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5571] <... futex resumed>) = 1 [pid 5568] <... futex resumed>) = 0 [pid 5567] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5579 attached [pid 5577] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5576] <... openat resumed>) = 4 [pid 5573] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5571] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] set_robust_list(0x5555563db5e0, 24 [pid 5578] <... write resumed>) = 262144 [pid 5577] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] ioctl(4, LOOP_SET_FD, 3 [pid 5573] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5578] munmap(0x7fc4e5d63000, 262144 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = 1 [pid 5571] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5568] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... futex resumed>) = 0 [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5578] <... munmap resumed>) = 0 [pid 5577] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] ioctl(4, LOOP_CLR_FD [pid 5574] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5567] exit_group(0 [pid 5579] <... prctl resumed>) = 0 [pid 5578] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... ioctl resumed>) = 0 [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = ? [pid 5571] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... exit_group resumed>) = ? [pid 5579] setpgid(0, 0 [pid 5578] <... openat resumed>) = 4 [pid 5577] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] +++ exited with 0 +++ [pid 5571] <... futex resumed>) = 1 [pid 5579] <... setpgid resumed>) = 0 [pid 5578] ioctl(4, LOOP_SET_FD, 3 [pid 5577] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5578] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5577] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... openat resumed>) = 3 [pid 5578] ioctl(4, LOOP_CLR_FD [pid 5577] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5571] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] <... futex resumed>) = 0 [pid 5567] +++ exited with 0 +++ [pid 5579] write(3, "1000", 4 [pid 5578] <... ioctl resumed>) = 0 [pid 5577] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] exit_group(0 [pid 5579] <... write resumed>) = 4 [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... futex resumed>) = 0 [pid 5571] <... futex resumed>) = ? [pid 5568] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5579] close(3 [pid 5577] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5576] ioctl(4, LOOP_SET_FD, 3 [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] +++ exited with 0 +++ [pid 5579] <... close resumed>) = 0 [pid 5577] <... openat resumed>) = 3 [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] +++ exited with 0 +++ [pid 5579] <... futex resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5574] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5578] ioctl(4, LOOP_SET_FD, 3 [pid 5577] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] close(4 [pid 5574] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5579] <... mmap resumed>) = 0x7fc4ee163000 [pid 5578] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... close resumed>) = 0 [pid 5574] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... restart_syscall resumed>) = 0 [pid 5579] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5578] close(4 [pid 5577] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5576] close(3 [pid 5574] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5579] <... mprotect resumed>) = 0 [pid 5578] <... close resumed>) = 0 [pid 5577] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5579] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5578] close(3 [pid 5577] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... close resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... close resumed>) = 0 [pid 5574] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5579] <... clone resumed>, parent_tid=[5580], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5580 [pid 5578] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5579] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = ? [pid 5576] <... futex resumed>) = 1 [pid 5575] <... futex resumed>) = 0 [pid 5574] <... exit_group resumed>) = ? [pid 5570] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5579] <... futex resumed>) = 0 [pid 5578] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] +++ exited with 0 +++ [pid 5576] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] +++ exited with 0 +++ [pid 5570] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5574, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5002] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5578] fspick(AT_FDCWD, ".", 0 [pid 5576] fspick(AT_FDCWD, ".", 0 [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5578] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5576] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... ioctl resumed>) = 0 [pid 5578] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] close(3 [pid 5578] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 1 [pid 5575] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5581 [pid 5578] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5578] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5576] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5578] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5578] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5580 attached [pid 5578] <... futex resumed>) = 1 [pid 5576] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5582 [pid 5578] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] <... futex resumed>) = 1 [pid 5575] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5583 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] <... futex resumed>) = 0 [pid 5570] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] set_robust_list(0x7fc4ee1839e0, 24 [pid 5578] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... futex resumed>) = 0 [pid 5580] <... set_robust_list resumed>) = 0 [pid 5578] <... openat resumed>) = 3 [pid 5576] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... openat resumed>) = 3 [pid 5578] <... futex resumed>) = 1 [pid 5576] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = 0 [pid 5580] memfd_create("syzkaller", 0 [pid 5578] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] <... futex resumed>) = 1 [pid 5575] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = 0 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] <... futex resumed>) = 0 [pid 5570] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... futex resumed>) = 0 [pid 5578] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5576] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5570] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] <... memfd_create resumed>) = 3 [pid 5578] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5578] <... futex resumed>) = 1 [pid 5576] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5583 attached [pid 5578] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] <... futex resumed>) = 1 [pid 5580] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5575] exit_group(0 [pid 5570] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5581 attached [pid 5583] set_robust_list(0x5555563db5e0, 24 [pid 5578] <... futex resumed>) = ? [pid 5576] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5575] <... exit_group resumed>) = ? [pid 5570] exit_group(0 [pid 5583] <... set_robust_list resumed>) = 0 [pid 5581] set_robust_list(0x5555563db5e0, 24 [pid 5578] +++ exited with 0 +++ [pid 5576] <... futex resumed>) = ? [pid 5575] +++ exited with 0 +++ [pid 5570] <... exit_group resumed>) = ? [pid 5583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] <... set_robust_list resumed>) = 0 [pid 5576] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5583] <... prctl resumed>) = 0 [pid 5581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5583] setpgid(0, 0 [pid 5581] <... prctl resumed>) = 0 [pid 5583] <... setpgid resumed>) = 0 [pid 5581] setpgid(0, 0 [pid 5583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5581] <... setpgid resumed>) = 0 [pid 5570] +++ exited with 0 +++ [pid 4999] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5582 attached [pid 5583] <... openat resumed>) = 3 [pid 5581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5583] write(3, "1000", 4 [pid 5581] <... openat resumed>) = 3 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5582] set_robust_list(0x5555563db5e0, 24 [pid 5583] <... write resumed>) = 4 [pid 5581] write(3, "1000", 4 [pid 5003] <... restart_syscall resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5583] close(3 [pid 5581] <... write resumed>) = 4 [pid 4999] <... openat resumed>) = 3 [pid 5583] <... close resumed>) = 0 [pid 5581] close(3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... close resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 5583] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5581] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5583] <... mmap resumed>) = 0x7fc4ee163000 [pid 5581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5583] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5582] <... set_robust_list resumed>) = 0 [pid 5581] <... mmap resumed>) = 0x7fc4ee163000 [pid 5580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5003] close(3 [pid 5583] <... mprotect resumed>) = 0 [pid 5581] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5584 [pid 5583] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] <... mprotect resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5582] <... prctl resumed>) = 0 [pid 5581] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5580] <... write resumed>) = 262144 [pid 5583] <... clone resumed>, parent_tid=[5585], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5585 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5586 [pid 5583] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] setpgid(0, 0 [pid 5581] <... clone resumed>, parent_tid=[5587], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5587 [pid 5583] <... futex resumed>) = 0 [pid 5582] <... setpgid resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] munmap(0x7fc4e5d63000, 262144 [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5581] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5585 attached ) = 3 [pid 5585] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5582] write(3, "1000", 4 [pid 5580] <... munmap resumed>) = 0 [pid 5582] <... write resumed>) = 4 [pid 5580] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5582] close(3) = 0 [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5586 attached [pid 5586] set_robust_list(0x5555563db5e0, 24 [pid 5582] <... futex resumed>) = 0 [pid 5580] ioctl(4, LOOP_SET_FD, 3 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5582] <... mmap resumed>) = 0x7fc4ee163000 [pid 5582] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5582] <... mprotect resumed>) = 0 [pid 5580] ioctl(4, LOOP_CLR_FD [pid 5582] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5580] <... ioctl resumed>) = 0 [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5585] memfd_create("syzkaller", 0 [pid 5582] <... clone resumed>, parent_tid=[5588], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5588 [pid 5582] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5585] <... memfd_create resumed>) = 3 [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5586] <... prctl resumed>) = 0 [pid 5585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5586] setpgid(0, 0 [pid 5585] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5586] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5587 attached [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5580] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5588 attached [pid 5587] set_robust_list(0x7fc4ee1839e0, 24 [pid 5586] <... openat resumed>) = 3 [pid 5580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5584 attached [pid 5588] set_robust_list(0x7fc4ee1839e0, 24 [pid 5587] <... set_robust_list resumed>) = 0 [pid 5586] write(3, "1000", 4 [pid 5585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5580] close(4 [pid 5586] <... write resumed>) = 4 [pid 5580] <... close resumed>) = 0 [pid 5587] memfd_create("syzkaller", 0 [pid 5586] close(3 [pid 5580] close(3 [pid 5588] <... set_robust_list resumed>) = 0 [pid 5586] <... close resumed>) = 0 [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5586] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5587] <... memfd_create resumed>) = 3 [pid 5586] <... mprotect resumed>) = 0 [pid 5580] <... close resumed>) = 0 [pid 5588] memfd_create("syzkaller", 0 [pid 5587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5586] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5585] <... write resumed>) = 262144 [pid 5584] set_robust_list(0x5555563db5e0, 24 [pid 5580] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5588] <... memfd_create resumed>) = 3 [pid 5580] <... futex resumed>) = 1 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5586] <... clone resumed>, parent_tid=[5589], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5589 [pid 5580] fspick(AT_FDCWD, ".", 0 [pid 5579] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] munmap(0x7fc4e5d63000, 262144 [pid 5579] <... futex resumed>) = 0 [pid 5580] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5586] <... futex resumed>) = 0 [pid 5585] <... munmap resumed>) = 0 [pid 5580] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5585] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5580] <... futex resumed>) = 0 [pid 5588] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5585] <... openat resumed>) = 4 [pid 5580] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] ioctl(4, LOOP_SET_FD, 3 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5585] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5580] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] ioctl(4, LOOP_CLR_FD [pid 5584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5580] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5585] <... ioctl resumed>) = 0 [pid 5584] <... prctl resumed>) = 0 [pid 5580] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] setpgid(0, 0 [pid 5580] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5584] <... setpgid resumed>) = 0 [pid 5580] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5580] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 5589 attached [pid 5589] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5580] <... openat resumed>) = 3 [pid 5589] memfd_create("syzkaller", 0 [pid 5584] <... openat resumed>) = 3 [pid 5580] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] write(3, "1000", 4 [pid 5580] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5585] ioctl(4, LOOP_SET_FD, 3 [pid 5584] <... write resumed>) = 4 [pid 5580] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5584] close(3 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5589] <... memfd_create resumed>) = 3 [pid 5585] close(4 [pid 5584] <... close resumed>) = 0 [pid 5580] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5579] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5585] <... close resumed>) = 0 [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5589] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5585] close(3 [pid 5584] <... futex resumed>) = 0 [pid 5580] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5587] <... write resumed>) = 262144 [pid 5585] <... close resumed>) = 0 [pid 5584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5580] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5585] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] exit_group(0 [pid 5584] <... mmap resumed>) = 0x7fc4ee163000 [pid 5585] <... futex resumed>) = 1 [pid 5584] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5583] <... futex resumed>) = 0 [pid 5580] <... futex resumed>) = ? [pid 5579] <... exit_group resumed>) = ? [pid 5588] <... write resumed>) = 262144 [pid 5587] munmap(0x7fc4e5d63000, 262144 [pid 5585] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] <... mprotect resumed>) = 0 [pid 5583] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 5589] <... write resumed>) = 262144 [pid 5588] munmap(0x7fc4e5d63000, 262144 [pid 5587] <... munmap resumed>) = 0 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5583] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5587] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5585] fspick(AT_FDCWD, ".", 0 [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5588] <... munmap resumed>) = 0 [pid 5584] <... clone resumed>, parent_tid=[5590], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5590 [pid 5587] <... openat resumed>) = 4 [pid 5585] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5589] munmap(0x7fc4e5d63000, 262144 [pid 5588] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5587] ioctl(4, LOOP_SET_FD, 3 [pid 5585] <... futex resumed>) = 1 [pid 5584] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5589] <... munmap resumed>) = 0 [pid 5588] <... openat resumed>) = 4 [pid 5587] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5585] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] <... futex resumed>) = 0 [pid 5583] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5589] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5588] ioctl(4, LOOP_SET_FD, 3 [pid 5587] ioctl(4, LOOP_CLR_FD [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5583] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5589] <... openat resumed>) = 4 [pid 5588] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5587] <... ioctl resumed>) = 0 [pid 5585] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] close(3 [pid 5589] ioctl(4, LOOP_SET_FD, 3 [pid 5588] ioctl(4, LOOP_CLR_FD [pid 5585] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5589] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5588] <... ioctl resumed>) = 0 [pid 5585] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5589] ioctl(4, LOOP_CLR_FD [pid 5585] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5589] <... ioctl resumed>) = 0 [pid 5585] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5591 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5590 attached [pid 5587] ioctl(4, LOOP_SET_FD, 3 [pid 5585] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] set_robust_list(0x7fc4ee1839e0, 24 [pid 5587] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5585] <... openat resumed>) = 3 [pid 5585] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5588] ioctl(4, LOOP_SET_FD, 3 [pid 5587] close(4 [pid 5585] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5589] ioctl(4, LOOP_SET_FD, 3 [pid 5588] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5587] <... close resumed>) = 0 [pid 5585] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5588] close(4 [pid 5587] close(3 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] <... futex resumed>) = 0 [pid 5589] close(4 [pid 5588] <... close resumed>) = 0 [pid 5585] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5583] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] <... close resumed>) = 0 [pid 5585] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5589] close(3 [pid 5588] close(3 [pid 5585] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] memfd_create("syzkaller", 0 [pid 5589] <... close resumed>) = 0 [pid 5587] <... close resumed>) = 0 [pid 5585] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5589] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] exit_group(0 [pid 5589] <... futex resumed>) = 1 [pid 5586] <... futex resumed>) = 0 [pid 5588] <... close resumed>) = 0 [pid 5585] <... futex resumed>) = ? [pid 5583] <... exit_group resumed>) = ? [pid 5590] <... memfd_create resumed>) = 3 [pid 5589] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5586] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] +++ exited with 0 +++ [pid 5583] +++ exited with 0 +++ [pid 5581] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 1 [pid 5590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5587] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5591 attached [pid 5589] fspick(AT_FDCWD, ".", 0 [pid 5588] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5582] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5590] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5591] set_robust_list(0x5555563db5e0, 24 [pid 5589] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] fspick(AT_FDCWD, ".", 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... set_robust_list resumed>) = 0 [pid 5589] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] fspick(AT_FDCWD, ".", 0 [pid 5587] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5589] <... futex resumed>) = 1 [pid 5588] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5587] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5591] <... prctl resumed>) = 0 [pid 5589] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5586] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5591] setpgid(0, 0 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 1 [pid 5587] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5591] <... setpgid resumed>) = 0 [pid 5589] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5588] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5582] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5591] <... openat resumed>) = 3 [pid 5590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5589] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5587] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5591] write(3, "1000", 4 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5587] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5591] <... write resumed>) = 4 [pid 5589] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5586] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5592 [pid 5591] close(3 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 1 [pid 5587] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... close resumed>) = 0 [pid 5589] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5588] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5582] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... write resumed>) = 262144 [pid 5589] <... openat resumed>) = 3 [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... futex resumed>) = 0 [pid 5589] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5587] <... openat resumed>) = 3 [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] munmap(0x7fc4e5d63000, 262144 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... openat resumed>) = 3 [pid 5587] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5591] <... mmap resumed>) = 0x7fc4ee163000 [pid 5589] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5586] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5591] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 1 [pid 5587] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... mprotect resumed>) = 0 [pid 5590] <... munmap resumed>) = 0 [pid 5589] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5588] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5586] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5582] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 0 [pid 5591] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5590] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5589] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] <... openat resumed>) = 4 [pid 5589] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5587] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5582] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... clone resumed>, parent_tid=[5593], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5593 [pid 5590] ioctl(4, LOOP_SET_FD, 3 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5587] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = 0 [pid 5591] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5589] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5586] exit_group(0 [pid 5581] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] ioctl(4, LOOP_CLR_FD [pid 5589] <... futex resumed>) = ? [pid 5588] <... futex resumed>) = 1 [pid 5587] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5586] <... exit_group resumed>) = ? [pid 5582] <... futex resumed>) = 0 [pid 5581] exit_group(0./strace-static-x86_64: Process 5592 attached [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5590] <... ioctl resumed>) = 0 [pid 5589] +++ exited with 0 +++ [pid 5588] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] <... futex resumed>) = ? [pid 5586] +++ exited with 0 +++ [pid 5582] exit_group(0 [pid 5581] <... exit_group resumed>) = ? [pid 5592] set_robust_list(0x5555563db5e0, 24 [pid 5587] +++ exited with 0 +++ [pid 5582] <... exit_group resumed>) = ? [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5592] <... set_robust_list resumed>) = 0 [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5592] setpgid(0, 0 [pid 5003] <... openat resumed>) = 3 [pid 5581] +++ exited with 0 +++ [pid 5592] <... setpgid resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5588] <... futex resumed>) = ? [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... ioctl resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5592] <... openat resumed>) = 3 [pid 5003] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5592] write(3, "1000", 4 [pid 5003] <... close resumed>) = 0 [pid 5592] <... write resumed>) = 4 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5592] close(3 [pid 5588] +++ exited with 0 +++ [pid 5582] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5592] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5594 [pid 5002] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5590] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5593 attached [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5590] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5593] set_robust_list(0x7fc4ee1839e0, 24 [pid 5592] <... futex resumed>) = 0 [pid 5590] close(4 [pid 5002] <... ioctl resumed>) = 0 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] <... close resumed>) = 0 [pid 5002] close(3 [pid 5593] memfd_create("syzkaller", 0 [pid 5592] <... mmap resumed>) = 0x7fc4ee163000 [pid 5590] close(3 [pid 5002] <... close resumed>) = 0 [pid 5593] <... memfd_create resumed>) = 3 [pid 5592] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5592] <... mprotect resumed>) = 0 [pid 5590] <... close resumed>) = 0 [pid 5593] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5592] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5590] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5595 [pid 5593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5590] <... futex resumed>) = 1 [pid 5584] <... futex resumed>) = 0 [pid 5592] <... clone resumed>, parent_tid=[5596], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5596 [pid 5590] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5593] <... write resumed>) = 262144 [pid 5592] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5592] <... futex resumed>) = 0 [pid 5590] fspick(AT_FDCWD, ".", 0 [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5590] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... ioctl resumed>) = 0 [pid 5590] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 5590] <... futex resumed>) = 1 [pid 5584] <... futex resumed>) = 0 [pid 5590] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] <... close resumed>) = 0 [pid 5584] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5584] <... futex resumed>) = 0 [pid 5590] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5593] munmap(0x7fc4e5d63000, 262144 [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5590] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5597 ./strace-static-x86_64: Process 5594 attached [pid 5593] <... munmap resumed>) = 0 [pid 5590] <... futex resumed>) = 1 [pid 5584] <... futex resumed>) = 0 [pid 5593] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5590] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5595 attached [pid 5594] set_robust_list(0x5555563db5e0, 24 [pid 5593] <... openat resumed>) = 4 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5596 attached [pid 5595] set_robust_list(0x5555563db5e0, 24 [pid 5594] <... set_robust_list resumed>) = 0 [pid 5593] ioctl(4, LOOP_SET_FD, 3 [pid 5590] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... set_robust_list resumed>) = 0 [pid 5593] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5593] ioctl(4, LOOP_CLR_FD [pid 5590] <... openat resumed>) = 3 [pid 5595] <... prctl resumed>) = 0 [pid 5593] <... ioctl resumed>) = 0 [pid 5590] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] set_robust_list(0x7fc4ee1839e0, 24 [pid 5595] setpgid(0, 0 [pid 5594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] <... futex resumed>) = 1 [pid 5584] <... futex resumed>) = 0 [pid 5595] <... setpgid resumed>) = 0 [pid 5590] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... prctl resumed>) = 0 [pid 5596] <... set_robust_list resumed>) = 0 [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] <... futex resumed>) = 0 [pid 5595] <... openat resumed>) = 3 [pid 5594] setpgid(0, 0 [pid 5596] memfd_create("syzkaller", 0 [pid 5590] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5584] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] write(3, "1000", 4 [pid 5590] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5595] <... write resumed>) = 4 [pid 5593] ioctl(4, LOOP_SET_FD, 3 [pid 5590] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... memfd_create resumed>) = 3 [pid 5595] close(3 [pid 5594] <... setpgid resumed>) = 0 [pid 5593] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5590] <... futex resumed>) = 1 [pid 5595] <... close resumed>) = 0 [pid 5593] close(4 [pid 5590] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] <... futex resumed>) = 0 [pid 5596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5593] <... close resumed>) = 0 [pid 5584] exit_group(0 [pid 5595] <... futex resumed>) = 0 [pid 5593] close(3 [pid 5590] <... futex resumed>) = ? [pid 5584] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5597 attached [pid 5596] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5594] <... openat resumed>) = 3 [pid 5593] <... close resumed>) = 0 [pid 5590] +++ exited with 0 +++ [pid 5595] <... mmap resumed>) = 0x7fc4ee163000 [pid 5593] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5595] <... mprotect resumed>) = 0 [pid 5593] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5584] +++ exited with 0 +++ [pid 5594] write(3, "1000", 4 [pid 5593] fspick(AT_FDCWD, ".", 0 [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5595] <... clone resumed>, parent_tid=[5598], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5598 [pid 5594] <... write resumed>) = 4 [pid 5593] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5595] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] close(3 [pid 5593] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5593] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... close resumed>) = 0 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5597] set_robust_list(0x5555563db5e0, 24 [pid 5596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5594] <... futex resumed>) = 0 [pid 5593] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5593] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5597] <... set_robust_list resumed>) = 0 [pid 5594] <... mmap resumed>) = 0x7fc4ee163000 [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5593] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] <... write resumed>) = 262144 [pid 5594] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5593] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] <... openat resumed>) = 3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5599 [pid 5593] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... mprotect resumed>) = 0 [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5593] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5593] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5591] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] <... prctl resumed>) = 0 [pid 5596] munmap(0x7fc4e5d63000, 262144 [pid 5593] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5593] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5593] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] exit_group(0 [pid 5593] <... futex resumed>) = ? [pid 5591] <... exit_group resumed>) = ? [pid 5594] <... clone resumed>, parent_tid=[5600], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5600 [pid 5593] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5597] setpgid(0, 0 [pid 5594] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5597] <... setpgid resumed>) = 0 [pid 5594] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5598 attached [pid 5598] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5598] memfd_create("syzkaller", 0 [pid 5596] <... munmap resumed>) = 0 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5598] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5600 attached [pid 5597] <... openat resumed>) = 3 [pid 5596] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5597] write(3, "1000", 4 [pid 5600] set_robust_list(0x7fc4ee1839e0, 24 [pid 5598] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5597] <... write resumed>) = 4 [pid 5596] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5599 attached [pid 5600] <... set_robust_list resumed>) = 0 [pid 5597] close(3 [pid 5596] ioctl(4, LOOP_SET_FD, 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5597] <... close resumed>) = 0 [pid 5600] memfd_create("syzkaller", 0 [pid 5596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] ioctl(4, LOOP_CLR_FD [pid 5000] <... ioctl resumed>) = 0 [pid 5600] <... memfd_create resumed>) = 3 [pid 5000] close(3 [pid 5600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5599] set_robust_list(0x5555563db5e0, 24 [pid 5597] <... futex resumed>) = 0 [pid 5596] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5600] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] <... write resumed>) = 262144 [pid 5597] <... mmap resumed>) = 0x7fc4ee163000 [pid 5597] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5596] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5601 [pid 5597] <... mprotect resumed>) = 0 [pid 5597] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5596] close(4 [pid 5597] <... clone resumed>, parent_tid=[5602], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5602 [pid 5597] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... close resumed>) = 0 [pid 5598] munmap(0x7fc4e5d63000, 262144 [pid 5597] <... futex resumed>) = 0 [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5596] close(3 [pid 5598] <... munmap resumed>) = 0 [pid 5598] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5598] ioctl(4, LOOP_SET_FD, 3 [pid 5596] <... close resumed>) = 0 [pid 5598] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5598] ioctl(4, LOOP_CLR_FD) = 0 [pid 5596] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5602 attached ) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5592] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] fspick(AT_FDCWD, ".", 0 [pid 5592] <... futex resumed>) = 0 [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] set_robust_list(0x7fc4ee1839e0, 24 [pid 5599] <... prctl resumed>) = 0 [pid 5596] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5602] memfd_create("syzkaller", 0 [pid 5599] setpgid(0, 0 [pid 5596] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] <... memfd_create resumed>) = 3 [pid 5599] <... setpgid resumed>) = 0 [pid 5598] ioctl(4, LOOP_SET_FD, 3 [pid 5596] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5598] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... futex resumed>) = 0 [pid 5602] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5599] <... openat resumed>) = 3 [pid 5598] close(4 [pid 5596] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5600] <... write resumed>) = 262144 [pid 5599] write(3, "1000", 4 [pid 5598] <... close resumed>) = 0 [pid 5596] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5599] <... write resumed>) = 4 [pid 5598] close(3 [pid 5596] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] munmap(0x7fc4e5d63000, 262144 [pid 5602] <... write resumed>) = 262144 [pid 5599] close(3 [pid 5598] <... close resumed>) = 0 [pid 5596] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5599] <... close resumed>) = 0 [pid 5598] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5592] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5592] <... futex resumed>) = 0 [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] fspick(AT_FDCWD, ".", 0 [pid 5596] <... openat resumed>) = 3 [pid 5595] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] munmap(0x7fc4e5d63000, 262144 [pid 5600] <... munmap resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5598] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5596] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... futex resumed>) = 0 [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... munmap resumed>) = 0 [pid 5600] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5598] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = 0 [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5592] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5600] <... openat resumed>) = 4 [pid 5599] <... mmap resumed>) = 0x7fc4ee163000 [pid 5598] <... futex resumed>) = 0 [pid 5596] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... futex resumed>) = 0 [pid 5602] <... openat resumed>) = 4 [pid 5600] ioctl(4, LOOP_SET_FD, 3 [pid 5599] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5598] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5595] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] ioctl(4, LOOP_SET_FD, 3 [pid 5600] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5599] <... mprotect resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... futex resumed>) = 0 [pid 5602] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5600] ioctl(4, LOOP_CLR_FD [pid 5599] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5598] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5596] <... futex resumed>) = 1 [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5592] <... futex resumed>) = 0 [pid 5602] ioctl(4, LOOP_CLR_FD [pid 5600] <... ioctl resumed>) = 0 [pid 5598] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5596] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] exit_group(0 [pid 5602] <... ioctl resumed>) = 0 [pid 5599] <... clone resumed>, parent_tid=[5603], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5603 [pid 5598] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = ? [pid 5592] <... exit_group resumed>) = ? [pid 5599] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = 1 [pid 5596] +++ exited with 0 +++ [pid 5595] <... futex resumed>) = 0 [pid 5592] +++ exited with 0 +++ ./strace-static-x86_64: Process 5601 attached [pid 5600] ioctl(4, LOOP_SET_FD, 3 [pid 5599] <... futex resumed>) = 0 [pid 5598] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5601] set_robust_list(0x5555563db5e0, 24 [pid 5600] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] close(4 [pid 5598] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] ioctl(4, LOOP_SET_FD, 3 [pid 5601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5600] <... close resumed>) = 0 [pid 5598] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5603 attached [pid 5602] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5601] <... prctl resumed>) = 0 [pid 5600] close(3 [pid 5598] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5603] set_robust_list(0x7fc4ee1839e0, 24 [pid 5602] close(4 [pid 5601] setpgid(0, 0 [pid 5598] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5603] <... set_robust_list resumed>) = 0 [pid 5602] <... close resumed>) = 0 [pid 5601] <... setpgid resumed>) = 0 [pid 5598] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5603] memfd_create("syzkaller", 0 [pid 5602] close(3 [pid 5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5600] <... close resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5603] <... memfd_create resumed>) = 3 [pid 5602] <... close resumed>) = 0 [pid 5601] <... openat resumed>) = 3 [pid 5598] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5595] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5602] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] write(3, "1000", 4 [pid 5598] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5603] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5602] <... futex resumed>) = 1 [pid 5601] <... write resumed>) = 4 [pid 5598] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5602] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] close(3 [pid 5598] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5604 [pid 5603] <... write resumed>) = 262144 [pid 5601] <... close resumed>) = 0 [pid 5600] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... futex resumed>) = 0 [pid 5595] exit_group(0 [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = ? [pid 5597] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... exit_group resumed>) = ? [pid 5594] <... futex resumed>) = 0 [pid 5602] <... futex resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5600] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] +++ exited with 0 +++ [pid 5597] <... futex resumed>) = 1 [pid 5595] +++ exited with 0 +++ [pid 5594] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] munmap(0x7fc4e5d63000, 262144 [pid 5602] fspick(AT_FDCWD, ".", 0 [pid 5601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5603] <... munmap resumed>) = 0 [pid 5602] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5601] <... mmap resumed>) = 0x7fc4ee163000 [pid 5600] fspick(AT_FDCWD, ".", 0 [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5603] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5602] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5600] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... restart_syscall resumed>) = 0 [pid 5603] <... openat resumed>) = 4 [pid 5602] <... futex resumed>) = 1 [pid 5601] <... mprotect resumed>) = 0 [pid 5600] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 0 [pid 5603] ioctl(4, LOOP_SET_FD, 3 [pid 5602] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5600] <... futex resumed>) = 1 [pid 5597] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5603] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... futex resumed>) = 0 [pid 5594] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] ioctl(4, LOOP_CLR_FD [pid 5602] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5601] <... clone resumed>, parent_tid=[5605], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5605 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5603] <... ioctl resumed>) = 0 [pid 5602] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5601] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5602] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... futex resumed>) = 0 [pid 5600] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... ioctl resumed>) = 0 [pid 5602] <... futex resumed>) = 1 [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5600] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5602] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] <... futex resumed>) = 1 [pid 5597] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... futex resumed>) = 0 [pid 5594] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5605 attached [pid 5602] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... futex resumed>) = 0 [pid 5603] ioctl(4, LOOP_SET_FD, 3 [pid 5602] <... openat resumed>) = 3 [pid 5600] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5606 [pid 5603] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5602] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... openat resumed>) = 3 [pid 5603] close(4 [pid 5602] <... futex resumed>) = 1 [pid 5600] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 0 [pid 5603] <... close resumed>) = 0 [pid 5602] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] <... futex resumed>) = 1 [pid 5597] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5603] close(3 [pid 5602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... futex resumed>) = 0 [pid 5594] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5604 attached [pid 5603] <... close resumed>) = 0 [pid 5602] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... futex resumed>) = 0 [pid 5603] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5600] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5594] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... futex resumed>) = 1 [pid 5602] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5599] <... futex resumed>) = 0 [pid 5603] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] <... futex resumed>) = 1 [pid 5600] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 0 [pid 5604] set_robust_list(0x5555563db5e0, 24 [pid 5605] set_robust_list(0x7fc4ee1839e0, 24 [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] <... set_robust_list resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5599] <... futex resumed>) = 0 [pid 5597] exit_group(0 [pid 5594] <... futex resumed>) = 0 [pid 5605] <... set_robust_list resumed>) = 0 [pid 5603] fspick(AT_FDCWD, ".", 0 [pid 5602] <... futex resumed>) = ? [pid 5600] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] <... exit_group resumed>) = ? [pid 5594] exit_group(0 [pid 5605] memfd_create("syzkaller", 0 [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5602] +++ exited with 0 +++ [pid 5600] <... futex resumed>) = ? [pid 5597] +++ exited with 0 +++ [pid 5594] <... exit_group resumed>) = ? [pid 5605] <... memfd_create resumed>) = 3 [pid 5603] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] +++ exited with 0 +++ [pid 5605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] <... futex resumed>) = 1 [pid 5605] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5603] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5604] <... prctl resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5594] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5604] setpgid(0, 0 [pid 5599] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5594, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5606 attached [pid 5604] <... setpgid resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 1 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5603] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5606] set_robust_list(0x5555563db5e0, 24 [pid 5605] <... write resumed>) = 262144 [pid 5603] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5604] <... openat resumed>) = 3 [pid 5603] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5604] write(3, "1000", 4 [pid 5603] <... futex resumed>) = 1 [pid 5599] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] munmap(0x7fc4e5d63000, 262144 [pid 5604] <... write resumed>) = 4 [pid 5603] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] <... munmap resumed>) = 0 [pid 5604] close(3 [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5599] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] close(3 [pid 5605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5604] <... close resumed>) = 0 [pid 5603] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5606] <... prctl resumed>) = 0 [pid 5605] <... openat resumed>) = 4 [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... openat resumed>) = 3 [pid 5003] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] ioctl(4, LOOP_SET_FD, 3 [pid 5604] <... futex resumed>) = 0 [pid 5603] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5605] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5603] <... futex resumed>) = 1 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5606] setpgid(0, 0 [pid 5605] ioctl(4, LOOP_CLR_FD [pid 5604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5603] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] <... futex resumed>) = 0 [pid 5605] <... ioctl resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5608 [pid 5604] <... mmap resumed>) = 0x7fc4ee163000 [pid 5599] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5607 [pid 5604] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5603] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 1 [pid 5606] <... setpgid resumed>) = 0 [pid 5604] <... mprotect resumed>) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5599] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5603] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5606] <... openat resumed>) = 3 [pid 5606] write(3, "1000", 4 [pid 5603] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... write resumed>) = 4 [pid 5605] ioctl(4, LOOP_SET_FD, 3 [pid 5604] <... clone resumed>, parent_tid=[5609], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5609 [pid 5603] <... futex resumed>) = 1 [pid 5599] <... futex resumed>) = 0 [pid 5606] close(3 [pid 5605] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5604] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] exit_group(0 [pid 5606] <... close resumed>) = 0 [pid 5605] close(4 [pid 5604] <... futex resumed>) = 0 [pid 5603] <... futex resumed>) = ? [pid 5599] <... exit_group resumed>) = ? [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... close resumed>) = 0 [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] +++ exited with 0 +++ [pid 5599] +++ exited with 0 +++ [pid 5606] <... futex resumed>) = 0 [pid 5605] close(3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5607 attached [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... close resumed>) = 0 [pid 5605] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... mmap resumed>) = 0x7fc4ee163000 [pid 5607] set_robust_list(0x5555563db5e0, 24 [pid 5606] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5605] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5605] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5606] <... mprotect resumed>) = 0 [pid 5605] fspick(AT_FDCWD, ".", 0 [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 5607] <... set_robust_list resumed>) = 0 [pid 5605] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 4999] close(3 [pid 5606] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5605] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5605] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5606] <... clone resumed>, parent_tid=[5610], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5610 [pid 5605] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... prctl resumed>) = 0 [pid 5606] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5611 [pid 5606] <... futex resumed>) = 0 [pid 5605] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] setpgid(0, 0 [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5608 attached [pid 5605] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5609 attached [pid 5608] set_robust_list(0x5555563db5e0, 24 [pid 5607] <... setpgid resumed>) = 0 [pid 5605] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5605] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... futex resumed>) = 0 [pid 5609] set_robust_list(0x7fc4ee1839e0, 24 [pid 5608] <... prctl resumed>) = 0 [pid 5605] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... set_robust_list resumed>) = 0 [pid 5608] setpgid(0, 0 [pid 5607] <... openat resumed>) = 3 [pid 5605] <... openat resumed>) = 3 [pid 5608] <... setpgid resumed>) = 0 [pid 5607] write(3, "1000", 4 [pid 5605] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] memfd_create("syzkaller", 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] <... write resumed>) = 4 [pid 5605] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5610 attached [pid 5608] <... openat resumed>) = 3 [pid 5605] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] set_robust_list(0x7fc4ee1839e0, 24 [pid 5608] write(3, "1000", 4 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5601] <... futex resumed>) = 0 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5608] <... write resumed>) = 4 [pid 5607] close(3 [pid 5605] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5601] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5611 attached [pid 5610] memfd_create("syzkaller", 0 [pid 5609] <... memfd_create resumed>) = 3 [pid 5608] close(3 [pid 5607] <... close resumed>) = 0 [pid 5605] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5611] set_robust_list(0x5555563db5e0, 24 [pid 5610] <... memfd_create resumed>) = 3 [pid 5609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5608] <... close resumed>) = 0 [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = 0 [pid 5605] <... futex resumed>) = 1 [pid 5601] <... futex resumed>) = 0 [pid 5609] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5610] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5608] <... futex resumed>) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5601] exit_group(0 [pid 5611] <... prctl resumed>) = 0 [pid 5610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] <... futex resumed>) = ? [pid 5601] <... exit_group resumed>) = ? [pid 5609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5611] setpgid(0, 0 [pid 5610] <... write resumed>) = 262144 [pid 5608] <... mmap resumed>) = 0x7fc4ee163000 [pid 5607] <... mmap resumed>) = 0x7fc4ee163000 [pid 5605] +++ exited with 0 +++ [pid 5601] +++ exited with 0 +++ [pid 5611] <... setpgid resumed>) = 0 [pid 5608] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5607] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5608] <... mprotect resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5601, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5611] <... openat resumed>) = 3 [pid 5610] munmap(0x7fc4e5d63000, 262144 [pid 5608] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5607] <... mprotect resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5611] write(3, "1000", 4 [pid 5610] <... munmap resumed>) = 0 [pid 5609] <... write resumed>) = 262144 [pid 5607] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... openat resumed>) = 3 [pid 5611] <... write resumed>) = 4 [pid 5610] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5608] <... clone resumed>, parent_tid=[5612], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5612 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5611] close(3 [pid 5610] <... openat resumed>) = 4 [pid 5609] munmap(0x7fc4e5d63000, 262144 [pid 5608] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5611] <... close resumed>) = 0 [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5608] <... futex resumed>) = 0 [pid 5607] <... clone resumed>, parent_tid=[5613], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5613 [pid 5000] close(3 [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5607] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5610] ioctl(4, LOOP_CLR_FD [pid 5607] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5610] <... ioctl resumed>) = 0 [pid 5609] <... munmap resumed>) = 0 [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5611] <... mmap resumed>) = 0x7fc4ee163000 [pid 5609] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5614 [pid 5611] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5609] <... openat resumed>) = 4 [pid 5611] <... mprotect resumed>) = 0 [pid 5609] ioctl(4, LOOP_SET_FD, 3 [pid 5611] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5609] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5611] <... clone resumed>, parent_tid=[5615], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5615 [pid 5609] ioctl(4, LOOP_CLR_FD [pid 5611] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5612 attached [pid 5611] <... futex resumed>) = 0 [pid 5609] <... ioctl resumed>) = 0 [pid 5612] set_robust_list(0x7fc4ee1839e0, 24 [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5610] close(4 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5610] <... close resumed>) = 0 [pid 5612] memfd_create("syzkaller", 0 [pid 5610] close(3./strace-static-x86_64: Process 5613 attached [pid 5612] <... memfd_create resumed>) = 3 [pid 5610] <... close resumed>) = 0 ./strace-static-x86_64: Process 5614 attached [pid 5613] set_robust_list(0x7fc4ee1839e0, 24 [pid 5612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5610] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] set_robust_list(0x5555563db5e0, 24 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5610] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5615 attached [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] memfd_create("syzkaller", 0 [pid 5612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5610] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] ioctl(4, LOOP_SET_FD, 3 [pid 5606] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] set_robust_list(0x7fc4ee1839e0, 24 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5613] <... memfd_create resumed>) = 3 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5606] <... futex resumed>) = 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5614] <... prctl resumed>) = 0 [pid 5613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5610] fspick(AT_FDCWD, ".", 0 [pid 5609] close(4 [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] memfd_create("syzkaller", 0 [pid 5614] setpgid(0, 0 [pid 5613] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5612] <... write resumed>) = 262144 [pid 5610] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5609] <... close resumed>) = 0 [pid 5614] <... setpgid resumed>) = 0 [pid 5610] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] close(3 [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5612] munmap(0x7fc4e5d63000, 262144 [pid 5610] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5614] <... openat resumed>) = 3 [pid 5612] <... munmap resumed>) = 0 [pid 5610] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... close resumed>) = 0 [pid 5606] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] write(3, "1000", 4 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5614] <... write resumed>) = 4 [pid 5612] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5610] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5609] <... futex resumed>) = 1 [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... futex resumed>) = 0 [pid 5614] close(3 [pid 5612] <... openat resumed>) = 4 [pid 5610] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5609] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... close resumed>) = 0 [pid 5612] ioctl(4, LOOP_SET_FD, 3 [pid 5610] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... futex resumed>) = 0 [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5610] <... futex resumed>) = 1 [pid 5609] fspick(AT_FDCWD, ".", 0 [pid 5606] <... futex resumed>) = 0 [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... futex resumed>) = 0 [pid 5613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5612] ioctl(4, LOOP_CLR_FD [pid 5610] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5606] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... memfd_create resumed>) = 3 [pid 5614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5612] <... ioctl resumed>) = 0 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5614] <... mmap resumed>) = 0x7fc4ee163000 [pid 5610] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5609] <... futex resumed>) = 1 [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... futex resumed>) = 0 [pid 5615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5614] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5610] <... openat resumed>) = 3 [pid 5609] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5614] <... mprotect resumed>) = 0 [pid 5610] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... futex resumed>) = 0 [pid 5614] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5613] <... write resumed>) = 262144 [pid 5610] <... futex resumed>) = 1 [pid 5609] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5606] <... futex resumed>) = 0 [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] ioctl(4, LOOP_SET_FD, 3 [pid 5610] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5606] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... clone resumed>, parent_tid=[5616], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5616 [pid 5613] munmap(0x7fc4e5d63000, 262144 [pid 5612] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5614] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] close(4 [pid 5610] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5609] <... futex resumed>) = 1 [pid 5606] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = 0 [pid 5612] <... close resumed>) = 0 [pid 5610] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5609] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5612] close(3 [pid 5610] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... futex resumed>) = 0 [pid 5613] <... munmap resumed>) = 0 [pid 5612] <... close resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5609] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5606] <... futex resumed>) = 0 [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5612] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... openat resumed>) = 3 [pid 5606] exit_group(0 [pid 5613] <... openat resumed>) = 4 [pid 5612] <... futex resumed>) = 1 [pid 5610] <... futex resumed>) = ? [pid 5609] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5606] <... exit_group resumed>) = ? [pid 5613] ioctl(4, LOOP_SET_FD, 3 [pid 5612] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] +++ exited with 0 +++ [pid 5609] <... futex resumed>) = 1 [pid 5608] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] <... futex resumed>) = 0 [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... futex resumed>) = 0 [pid 5612] fspick(AT_FDCWD, ".", 0 [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5612] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5606] +++ exited with 0 +++ [pid 5613] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5612] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5608] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5613] ioctl(4, LOOP_CLR_FD [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5608] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5613] <... ioctl resumed>) = 0 [pid 5612] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5609] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5609] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5612] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5604] exit_group(0 [pid 5612] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... futex resumed>) = ? [pid 5608] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] <... exit_group resumed>) = ? [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] +++ exited with 0 +++ [pid 5608] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5612] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5612] <... openat resumed>) = 3 [pid 5002] <... ioctl resumed>) = 0 [pid 5612] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5612] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5604] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5616 attached [pid 5612] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] set_robust_list(0x7fc4ee1839e0, 24 [pid 5615] <... write resumed>) = 262144 [pid 5613] ioctl(4, LOOP_SET_FD, 3 [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5616] <... set_robust_list resumed>) = 0 [pid 5612] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5608] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5617 [pid 5616] memfd_create("syzkaller", 0 [pid 5612] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5616] <... memfd_create resumed>) = 3 [pid 5612] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5613] close(4 [pid 5612] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5615] munmap(0x7fc4e5d63000, 262144 [pid 5616] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5612] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] exit_group(0 [pid 5004] <... openat resumed>) = 3 [pid 5615] <... munmap resumed>) = 0 [pid 5613] <... close resumed>) = 0 [pid 5612] <... futex resumed>) = ? [pid 5608] <... exit_group resumed>) = ? [pid 5004] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5617 attached [pid 5615] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5613] close(3 [pid 5612] +++ exited with 0 +++ [pid 5608] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = 0 [pid 5616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5004] close(3 [pid 5617] set_robust_list(0x5555563db5e0, 24 [pid 5616] <... write resumed>) = 262144 [pid 5615] <... openat resumed>) = 4 [pid 5613] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5617] <... set_robust_list resumed>) = 0 [pid 5615] ioctl(4, LOOP_SET_FD, 3 [pid 5613] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5613] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5615] ioctl(4, LOOP_CLR_FD [pid 5613] fspick(AT_FDCWD, ".", 0 [pid 5607] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5618 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5616] munmap(0x7fc4e5d63000, 262144 [pid 5615] <... ioctl resumed>) = 0 [pid 5613] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5607] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5617] <... prctl resumed>) = 0 [pid 5616] <... munmap resumed>) = 0 [pid 5613] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5616] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5613] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... close resumed>) = 0 [pid 5617] setpgid(0, 0 [pid 5616] <... openat resumed>) = 4 [pid 5613] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] <... setpgid resumed>) = 0 [pid 5616] ioctl(4, LOOP_SET_FD, 3 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5616] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5615] ioctl(4, LOOP_SET_FD, 3 [pid 5613] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5619 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] ioctl(4, LOOP_CLR_FD [pid 5615] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5613] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5617] <... openat resumed>) = 3 [pid 5616] <... ioctl resumed>) = 0 [pid 5615] close(4 [pid 5613] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] write(3, "1000", 4 [pid 5615] <... close resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5617] <... write resumed>) = 4 [pid 5615] close(3 [pid 5613] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] close(3./strace-static-x86_64: Process 5619 attached [pid 5619] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5619] setpgid(0, 0 [pid 5615] <... close resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... close resumed>) = 0 [pid 5615] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] ioctl(4, LOOP_SET_FD, 3 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5615] <... futex resumed>) = 1 [pid 5613] <... openat resumed>) = 3 [pid 5611] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5616] close(4 [pid 5615] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5616] <... close resumed>) = 0 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 1 [pid 5611] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5617] <... mmap resumed>) = 0x7fc4ee163000 [pid 5616] close(3 [pid 5615] fspick(AT_FDCWD, ".", 0 [pid 5613] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5616] <... close resumed>) = 0 [pid 5615] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5616] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5607] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... mprotect resumed>) = 0 [pid 5616] <... futex resumed>) = 1 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5613] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5611] <... futex resumed>) = 0 [pid 5619] <... setpgid resumed>) = 0 [pid 5617] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5616] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5611] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5619] <... openat resumed>) = 3 [pid 5617] <... clone resumed>, parent_tid=[5620], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5620 [pid 5616] fspick(AT_FDCWD, ".", 0 [pid 5615] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] exit_group(0 [pid 5619] write(3, "1000", 4 [pid 5617] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5615] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5613] <... futex resumed>) = ? [pid 5607] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5618 attached [pid 5619] <... write resumed>) = 4 [pid 5617] <... futex resumed>) = 0 [pid 5616] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] +++ exited with 0 +++ [pid 5619] close(3 [pid 5616] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5619] <... close resumed>) = 0 [pid 5616] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5616] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5616] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5619] <... mmap resumed>) = 0x7fc4ee163000 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5616] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = 1 [pid 5611] <... futex resumed>) = 0 [pid 5607] +++ exited with 0 +++ [pid 5619] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5616] <... futex resumed>) = 1 [pid 5615] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] <... futex resumed>) = 0 [pid 5611] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5619] <... mprotect resumed>) = 0 [pid 5618] set_robust_list(0x5555563db5e0, 24 [pid 5616] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = 0 [pid 5619] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5618] <... set_robust_list resumed>) = 0 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5614] <... futex resumed>) = 0 [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... clone resumed>, parent_tid=[5621], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5621 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5616] <... openat resumed>) = 3 [pid 5615] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5620 attached [pid 5619] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... prctl resumed>) = 0 [pid 5616] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] set_robust_list(0x7fc4ee1839e0, 24 [pid 5619] <... futex resumed>) = 0 [pid 5616] <... futex resumed>) = 1 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5620] <... set_robust_list resumed>) = 0 [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5618] setpgid(0, 0 [pid 5616] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] memfd_create("syzkaller", 0 [pid 5618] <... setpgid resumed>) = 0 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5620] <... memfd_create resumed>) = 3 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5615] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5614] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5618] <... openat resumed>) = 3 [pid 5616] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5615] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5620] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5618] write(3, "1000", 4 [pid 5616] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5618] <... write resumed>) = 4 [pid 5616] <... futex resumed>) = 1 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5611] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5620] <... write resumed>) = 262144 [pid 5618] close(3 [pid 5616] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] exit_group(0 [pid 5611] exit_group(0 [pid 5001] <... close resumed>) = 0 [pid 5618] <... close resumed>) = 0 [pid 5616] <... futex resumed>) = ? [pid 5615] <... futex resumed>) = ? [pid 5614] <... exit_group resumed>) = ? [pid 5611] <... exit_group resumed>) = ? [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5621 attached [pid 5620] munmap(0x7fc4e5d63000, 262144 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] +++ exited with 0 +++ [pid 5615] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5621] set_robust_list(0x7fc4ee1839e0, 24 [pid 5620] <... munmap resumed>) = 0 [pid 5621] <... set_robust_list resumed>) = 0 [pid 5620] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5611] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5621] memfd_create("syzkaller", 0 [pid 5620] <... openat resumed>) = 4 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5621] <... memfd_create resumed>) = 3 [pid 5620] ioctl(4, LOOP_SET_FD, 3 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5620] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5618] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5622 [pid 5621] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5620] ioctl(4, LOOP_CLR_FD [pid 5618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5620] <... ioctl resumed>) = 0 [pid 5618] <... mmap resumed>) = 0x7fc4ee163000 [pid 5618] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5618] <... mprotect resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5620] ioctl(4, LOOP_SET_FD, 3 [pid 5618] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5620] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5620] close(4 [pid 5618] <... clone resumed>, parent_tid=[5623], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5623 [pid 5000] close(3 [pid 4999] close(3 [pid 5621] <... write resumed>) = 262144 [pid 5620] <... close resumed>) = 0 [pid 5618] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5621] munmap(0x7fc4e5d63000, 262144 [pid 5620] close(3 [pid 5618] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] <... munmap resumed>) = 0 [pid 5620] <... close resumed>) = 0 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5620] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5624 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5625 [pid 5621] <... openat resumed>) = 4 [pid 5620] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5624 attached ./strace-static-x86_64: Process 5622 attached [pid 5621] ioctl(4, LOOP_SET_FD, 3 [pid 5620] fspick(AT_FDCWD, ".", 0 [pid 5617] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] set_robust_list(0x5555563db5e0, 24 [pid 5622] set_robust_list(0x5555563db5e0, 24 [pid 5621] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5620] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5617] <... futex resumed>) = 0 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5621] ioctl(4, LOOP_CLR_FD [pid 5620] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] <... set_robust_list resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] <... ioctl resumed>) = 0 [pid 5620] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... prctl resumed>) = 0 [pid 5620] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] setpgid(0, 0 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5622] <... setpgid resumed>) = 0 [pid 5620] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5620] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5623 attached [pid 5624] <... prctl resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] ioctl(4, LOOP_SET_FD, 3 [pid 5620] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] write(3, "1000", 4 [pid 5621] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5620] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5624] setpgid(0, 0 [pid 5622] <... write resumed>) = 4 [pid 5621] close(4 [pid 5620] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] close(3 [pid 5621] <... close resumed>) = 0 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... close resumed>) = 0 [pid 5621] close(3 [pid 5620] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5617] <... futex resumed>) = 0 [pid 5624] <... setpgid resumed>) = 0 [pid 5623] set_robust_list(0x7fc4ee1839e0, 24 [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... close resumed>) = 0 [pid 5620] <... openat resumed>) = 3 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5625 attached [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5623] <... set_robust_list resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5621] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] set_robust_list(0x5555563db5e0, 24 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5621] <... futex resumed>) = 1 [pid 5620] <... futex resumed>) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5617] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5622] <... mmap resumed>) = 0x7fc4ee163000 [pid 5621] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5619] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5623] memfd_create("syzkaller", 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5619] <... futex resumed>) = 0 [pid 5617] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... prctl resumed>) = 0 [pid 5624] write(3, "1000", 4 [pid 5623] <... memfd_create resumed>) = 3 [pid 5622] <... mprotect resumed>) = 0 [pid 5621] fspick(AT_FDCWD, ".", 0 [pid 5620] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] setpgid(0, 0 [pid 5624] <... write resumed>) = 4 [pid 5623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5622] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5621] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5620] <... futex resumed>) = 0 [pid 5617] exit_group(0 [pid 5625] <... setpgid resumed>) = 0 [pid 5624] close(3 [pid 5623] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5621] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... exit_group resumed>) = ? [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] <... close resumed>) = 0 [pid 5622] <... clone resumed>, parent_tid=[5626], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5626 [pid 5621] <... futex resumed>) = 1 [pid 5620] +++ exited with 0 +++ [pid 5619] <... futex resumed>) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5622] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] write(3, "1000", 4 [pid 5622] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5617] +++ exited with 0 +++ [pid 5625] <... write resumed>) = 4 [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5625] close(3 [pid 5621] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5625] <... close resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5621] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5621] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5625] <... mmap resumed>) = 0x7fc4ee163000 [pid 5621] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5625] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... mprotect resumed>) = 0 [pid 5624] <... mmap resumed>) = 0x7fc4ee163000 [pid 5621] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5624] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5621] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5624] <... mprotect resumed>) = 0 [pid 5621] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5625] <... clone resumed>, parent_tid=[5627], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5627 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5625] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5621] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5619] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5621] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] close(3 [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5621] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] <... clone resumed>, parent_tid=[5628], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5628 [pid 5623] <... write resumed>) = 262144 [pid 5621] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] exit_group(0 [pid 5624] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] munmap(0x7fc4e5d63000, 262144 [pid 5621] <... futex resumed>) = ? [pid 5619] <... exit_group resumed>) = ? [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5629 [pid 5624] <... futex resumed>) = 0 [pid 5621] +++ exited with 0 +++ [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5629 attached ./strace-static-x86_64: Process 5627 attached [pid 5623] <... munmap resumed>) = 0 [pid 5619] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5623] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5628 attached [pid 5623] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5623] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5628] set_robust_list(0x7fc4ee1839e0, 24 [pid 5623] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5623] ioctl(4, LOOP_CLR_FD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5630 ./strace-static-x86_64: Process 5626 attached [pid 5628] <... set_robust_list resumed>) = 0 [pid 5623] <... ioctl resumed>) = 0 [pid 5628] memfd_create("syzkaller", 0 [pid 5626] set_robust_list(0x7fc4ee1839e0, 24 [pid 5627] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5627] memfd_create("syzkaller", 0 [pid 5629] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... memfd_create resumed>) = 3 [pid 5623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5628] <... memfd_create resumed>) = 3 [pid 5623] close(4 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5623] close(3 [pid 5629] <... prctl resumed>) = 0 [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5629] setpgid(0, 0) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5628] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5626] memfd_create("syzkaller", 0 [pid 5623] <... close resumed>) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5623] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] write(3, "1000", 4 [pid 5623] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 5629] <... write resumed>) = 4 [pid 5623] fspick(AT_FDCWD, ".", 0 [pid 5618] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] close(3 [pid 5623] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5618] <... futex resumed>) = 0 [pid 5629] <... close resumed>) = 0 [pid 5623] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... memfd_create resumed>) = 3 [pid 5623] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] <... futex resumed>) = 0 [pid 5623] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5618] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5623] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5618] <... futex resumed>) = 0 [pid 5629] <... mmap resumed>) = 0x7fc4ee163000 [pid 5628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5627] <... write resumed>) = 262144 [pid 5626] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5623] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5630 attached [pid 5629] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5623] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] set_robust_list(0x5555563db5e0, 24 [pid 5629] <... mprotect resumed>) = 0 [pid 5623] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5618] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5627] munmap(0x7fc4e5d63000, 262144 [pid 5623] <... openat resumed>) = 3 [pid 5618] <... futex resumed>) = 0 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5623] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... prctl resumed>) = 0 [pid 5629] <... clone resumed>, parent_tid=[5631], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5631 [pid 5627] <... munmap resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] setpgid(0, 0 [pid 5629] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5623] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5618] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... setpgid resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5627] <... openat resumed>) = 4 [pid 5623] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5618] <... futex resumed>) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5626] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5623] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... openat resumed>) = 3 [pid 5628] <... write resumed>) = 262144 [pid 5627] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5623] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] write(3, "1000", 4 [pid 5627] ioctl(4, LOOP_CLR_FD [pid 5623] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5618] exit_group(0 [pid 5630] <... write resumed>) = 4 [pid 5628] munmap(0x7fc4e5d63000, 262144 [pid 5627] <... ioctl resumed>) = 0 [pid 5623] <... futex resumed>) = ? [pid 5618] <... exit_group resumed>) = ? [pid 5630] close(3) = 0 [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5630] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5623] +++ exited with 0 +++ [pid 5618] +++ exited with 0 +++ [pid 5630] <... mprotect resumed>) = 0 [pid 5628] <... munmap resumed>) = 0 [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5631 attached [pid 5630] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5627] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5626] <... write resumed>) = 262144 [pid 5628] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5627] close(4 [pid 5626] munmap(0x7fc4e5d63000, 262144 [pid 5630] <... clone resumed>, parent_tid=[5632], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5632 [pid 5628] <... openat resumed>) = 4 [pid 5627] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5630] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5631] set_robust_list(0x7fc4ee1839e0, 24 [pid 5630] <... futex resumed>) = 0 [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5627] <... close resumed>) = 0 [pid 5626] <... munmap resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5627] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5628] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5626] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5631] <... set_robust_list resumed>) = 0 [pid 5628] ioctl(4, LOOP_CLR_FD [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5628] <... ioctl resumed>) = 0 [pid 5627] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... openat resumed>) = 4 [pid 5625] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] ioctl(4, LOOP_SET_FD, 3 [pid 5625] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] memfd_create("syzkaller", 0 [pid 5627] fspick(AT_FDCWD, ".", 0 [pid 5626] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5633 [pid 5627] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] ioctl(4, LOOP_CLR_FD [pid 5631] <... memfd_create resumed>) = 3 [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5627] <... futex resumed>) = 1 [pid 5626] <... ioctl resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5628] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5627] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] close(4 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5628] <... close resumed>) = 0 [pid 5627] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] close(3 [pid 5627] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5627] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5627] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5627] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... close resumed>) = 0 [pid 5627] <... openat resumed>) = 3 [pid 5628] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] ioctl(4, LOOP_SET_FD, 3 [pid 5631] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5628] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 1 [pid 5626] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5628] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] close(4 [pid 5625] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] <... close resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5628] fspick(AT_FDCWD, ".", 0 [pid 5627] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5626] close(3 [pid 5625] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5627] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5627] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5627] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] exit_group(0 [pid 5627] <... futex resumed>) = ? [pid 5625] <... exit_group resumed>) = ? [pid 5628] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] +++ exited with 0 +++ [pid 5626] <... close resumed>) = 0 [pid 5625] +++ exited with 0 +++ [pid 5628] <... futex resumed>) = 1 [pid 5626] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5628] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 1 [pid 5624] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 0 [pid 5631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] <... futex resumed>) = 0 [pid 5622] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5633 attached [pid 5628] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5633] set_robust_list(0x5555563db5e0, 24 [pid 5628] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5626] fspick(AT_FDCWD, ".", 0 [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5628] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... futex resumed>) = 1 [pid 5626] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5633] <... prctl resumed>) = 0 [pid 5628] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 1 [pid 5624] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5633] setpgid(0, 0 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] <... futex resumed>) = 0 [pid 5622] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5633] <... setpgid resumed>) = 0 [pid 5628] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... openat resumed>) = 3 [pid 5626] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... openat resumed>) = 3 [pid 5631] <... write resumed>) = 262144 [pid 5628] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5634 [pid 5633] write(3, "1000", 4 [pid 5631] munmap(0x7fc4e5d63000, 262144 [pid 5628] <... futex resumed>) = 1 [pid 5626] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5633] <... write resumed>) = 4 [pid 5628] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 1 [pid 5624] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 0 [pid 5633] close(3 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] <... futex resumed>) = 0 [pid 5622] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... close resumed>) = 0 [pid 5631] <... munmap resumed>) = 0 [pid 5628] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... futex resumed>) = 0 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5628] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5626] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... futex resumed>) = 0 [pid 5628] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] <... openat resumed>) = 3 [pid 5633] <... mmap resumed>) = 0x7fc4ee163000 [pid 5631] <... openat resumed>) = 4 [pid 5628] <... futex resumed>) = 1 [pid 5626] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5633] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5631] ioctl(4, LOOP_SET_FD, 3 [pid 5628] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5633] <... mprotect resumed>) = 0 [pid 5631] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5626] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] exit_group(0 [pid 5622] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5631] ioctl(4, LOOP_CLR_FD [pid 5628] <... futex resumed>) = ? [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... exit_group resumed>) = ? [pid 5622] <... futex resumed>) = 0 [pid 5628] +++ exited with 0 +++ [pid 5622] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... clone resumed>, parent_tid=[5635], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5635 [pid 5633] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5634 attached [pid 5634] set_robust_list(0x5555563db5e0, 24 [pid 5624] +++ exited with 0 +++ [pid 5626] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5631] <... ioctl resumed>) = 0 [pid 5626] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5626] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5626] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5626] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... set_robust_list resumed>) = 0 [pid 5622] exit_group(0 [pid 5626] <... futex resumed>) = ? [pid 5622] <... exit_group resumed>) = ? [pid 5626] +++ exited with 0 +++ [pid 5000] <... restart_syscall resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5622] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5631] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 5631] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... close resumed>) = 0 [pid 5631] close(4 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5631] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5636 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... ioctl resumed>) = 0 [pid 5634] <... prctl resumed>) = 0 [pid 5001] close(3 [pid 5634] setpgid(0, 0 [pid 5001] <... close resumed>) = 0 [pid 5634] <... setpgid resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5634] write(3, "1000", 4) = 4 [pid 5634] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5637 ./strace-static-x86_64: Process 5632 attached [pid 5631] <... close resumed>) = 0 [pid 5632] set_robust_list(0x7fc4ee1839e0, 24 [pid 5631] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5631] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5635 attached [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] memfd_create("syzkaller", 0 [pid 5631] fspick(AT_FDCWD, ".", 0 [pid 5629] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] set_robust_list(0x7fc4ee1839e0, 24 [pid 5634] <... futex resumed>) = 0 [pid 5631] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5629] <... futex resumed>) = 0 [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] memfd_create("syzkaller", 0 [pid 5634] <... mmap resumed>) = 0x7fc4ee163000 [pid 5632] <... memfd_create resumed>) = 3 [pid 5629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] <... memfd_create resumed>) = 3 [pid 5634] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5631] <... futex resumed>) = 0 [pid 5629] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5634] <... mprotect resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5631] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5635] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5634] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5632] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5636 attached [pid 5635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5631] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5635] <... write resumed>) = 262144 [pid 5634] <... clone resumed>, parent_tid=[5638], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5638 [pid 5632] <... write resumed>) = 262144 [pid 5631] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5631] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5629] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5629] <... futex resumed>) = 0 [pid 5635] munmap(0x7fc4e5d63000, 262144 [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5637 attached [pid 5636] set_robust_list(0x5555563db5e0, 24 [pid 5635] <... munmap resumed>) = 0 [pid 5631] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5635] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5638 attached [pid 5638] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5638] memfd_create("syzkaller", 0) = 3 [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5635] close(4) = 0 [pid 5635] close(3) = 0 [pid 5635] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5633] <... futex resumed>) = 0 [pid 5635] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5633] <... futex resumed>) = 0 [pid 5635] fspick(AT_FDCWD, ".", 0 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5635] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5633] <... futex resumed>) = 0 [pid 5635] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5633] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5633] <... futex resumed>) = 0 [pid 5635] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... futex resumed>) = 0 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5633] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... openat resumed>) = 3 [pid 5633] <... futex resumed>) = 0 [pid 5635] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... futex resumed>) = 0 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] <... set_robust_list resumed>) = 0 [pid 5635] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5633] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5635] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5633] <... futex resumed>) = 0 [pid 5631] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5629] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5637] set_robust_list(0x5555563db5e0, 24 [pid 5636] <... prctl resumed>) = 0 [pid 5635] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] munmap(0x7fc4e5d63000, 262144 [pid 5631] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5629] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] setpgid(0, 0 [pid 5635] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] exit_group(0 [pid 5631] <... futex resumed>) = 0 [pid 5632] <... munmap resumed>) = 0 [pid 5629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] <... setpgid resumed>) = 0 [pid 5635] <... futex resumed>) = ? [pid 5633] <... exit_group resumed>) = ? [pid 5631] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] exit_group(0 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] +++ exited with 0 +++ [pid 5633] +++ exited with 0 +++ [pid 5632] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5631] <... futex resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5638] <... write resumed>) = 262144 [pid 5637] <... prctl resumed>) = 0 [pid 5631] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5638] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5629] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5638] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5637] setpgid(0, 0 [pid 5638] <... openat resumed>) = 4 [pid 5637] <... setpgid resumed>) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5632] <... openat resumed>) = 4 [pid 5638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5002] <... restart_syscall resumed>) = 0 [pid 5638] ioctl(4, LOOP_CLR_FD [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] write(3, "1000", 4 [pid 5632] ioctl(4, LOOP_SET_FD, 3 [pid 5638] <... ioctl resumed>) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... write resumed>) = 4 [pid 5632] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5637] write(3, "1000", 4 [pid 5636] close(3 [pid 5632] ioctl(4, LOOP_CLR_FD [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5637] <... write resumed>) = 4 [pid 5636] <... close resumed>) = 0 [pid 5632] <... ioctl resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5637] close(3 [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5636] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5002] close(3 [pid 5004] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5638] ioctl(4, LOOP_SET_FD, 3 [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5637] <... futex resumed>) = 0 [pid 5636] <... mmap resumed>) = 0x7fc4ee163000 [pid 5638] close(4 [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5632] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5639 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5640 [pid 5638] <... close resumed>) = 0 [pid 5636] <... mprotect resumed>) = 0 [pid 5638] close(3 [pid 5637] <... mmap resumed>) = 0x7fc4ee163000 [pid 5636] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5638] <... close resumed>) = 0 [pid 5637] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5632] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5638] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5637] <... mprotect resumed>) = 0 [pid 5636] <... clone resumed>, parent_tid=[5641], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5641 [pid 5634] <... futex resumed>) = 0 [pid 5632] close(4 [pid 5638] fspick(AT_FDCWD, ".", 0 [pid 5637] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5636] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... close resumed>) = 0 [pid 5638] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5636] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5632] close(3 [pid 5638] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... clone resumed>, parent_tid=[5642], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5642 [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5638] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5637] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... close resumed>) = 0 [pid 5638] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5634] <... futex resumed>) = 0 [pid 5632] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5638] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5641 attached [pid 5638] <... openat resumed>) = 3 [pid 5632] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] set_robust_list(0x7fc4ee1839e0, 24 [pid 5638] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5632] fspick(AT_FDCWD, ".", 0 [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] memfd_create("syzkaller", 0 [pid 5638] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5641] <... memfd_create resumed>) = 3 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5632] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5638] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5634] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5640 attached [pid 5641] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5638] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5632] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5640] set_robust_list(0x5555563db5e0, 24 [pid 5638] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5642 attached ./strace-static-x86_64: Process 5639 attached [pid 5641] <... write resumed>) = 262144 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5632] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] set_robust_list(0x7fc4ee1839e0, 24 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] set_robust_list(0x5555563db5e0, 24 [pid 5638] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] exit_group(0 [pid 5632] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5641] munmap(0x7fc4e5d63000, 262144 [pid 5640] <... prctl resumed>) = 0 [pid 5638] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 5632] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5641] <... munmap resumed>) = 0 [pid 5640] setpgid(0, 0 [pid 5638] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5640] <... setpgid resumed>) = 0 [pid 5632] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] memfd_create("syzkaller", 0 [pid 5641] <... openat resumed>) = 4 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5642] <... memfd_create resumed>) = 3 [pid 5641] ioctl(4, LOOP_SET_FD, 3 [pid 5640] <... openat resumed>) = 3 [pid 5639] <... prctl resumed>) = 0 [pid 5632] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5641] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5640] write(3, "1000", 4 [pid 5632] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5641] ioctl(4, LOOP_CLR_FD [pid 5640] <... write resumed>) = 4 [pid 5639] setpgid(0, 0 [pid 5632] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5642] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5641] <... ioctl resumed>) = 0 [pid 5640] close(3 [pid 5639] <... setpgid resumed>) = 0 [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5632] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4999] close(3 [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5639] <... openat resumed>) = 3 [pid 5632] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5630] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5639] write(3, "1000", 4 [pid 5632] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5641] ioctl(4, LOOP_SET_FD, 3 [pid 5640] <... mmap resumed>) = 0x7fc4ee163000 [pid 5639] <... write resumed>) = 4 [pid 5632] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5643 [pid 5641] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5640] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5639] close(3 [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5641] close(4 [pid 5640] <... mprotect resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5632] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] exit_group(0 [pid 5641] <... close resumed>) = 0 [pid 5640] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5642] <... write resumed>) = 262144 [pid 5641] close(3 [pid 5639] <... futex resumed>) = 0 [pid 5632] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5642] munmap(0x7fc4e5d63000, 262144 [pid 5641] <... close resumed>) = 0 [pid 5640] <... clone resumed>, parent_tid=[5644], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5644 [pid 5639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5641] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5639] <... mmap resumed>) = 0x7fc4ee163000 [pid 5636] <... futex resumed>) = 0 [pid 5641] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5639] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5636] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... mprotect resumed>) = 0 [pid 5636] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5642] <... munmap resumed>) = 0 [pid 5641] fspick(AT_FDCWD, ".", 0 [pid 5639] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5641] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... ioctl resumed>) = 0 [pid 5641] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... clone resumed>, parent_tid=[5645], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5645 [pid 5003] close(3 [pid 5642] <... openat resumed>) = 4 [pid 5641] <... futex resumed>) = 1 [pid 5639] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5642] ioctl(4, LOOP_SET_FD, 3 [pid 5641] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... futex resumed>) = 0 [pid 5636] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5643 attached [pid 5642] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5636] <... futex resumed>) = 0 [pid 5643] set_robust_list(0x5555563db5e0, 24 [pid 5642] ioctl(4, LOOP_CLR_FD [pid 5641] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5646 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... ioctl resumed>) = 0 [pid 5641] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5641] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... prctl resumed>) = 0 [pid 5641] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5644 attached [pid 5643] setpgid(0, 0 [pid 5641] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] set_robust_list(0x7fc4ee1839e0, 24 [pid 5643] <... setpgid resumed>) = 0 [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] <... futex resumed>) = 0 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] memfd_create("syzkaller", 0 [pid 5643] <... openat resumed>) = 3 [pid 5641] <... openat resumed>) = 3 [pid 5644] <... memfd_create resumed>) = 3 [pid 5643] write(3, "1000", 4 [pid 5642] ioctl(4, LOOP_SET_FD, 3 [pid 5641] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5643] <... write resumed>) = 4 [pid 5642] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5641] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5645 attached [pid 5644] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5643] close(3 [pid 5642] close(4 [pid 5641] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] set_robust_list(0x7fc4ee1839e0, 24 [pid 5644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5643] <... close resumed>) = 0 [pid 5642] <... close resumed>) = 0 [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] <... futex resumed>) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] close(3 [pid 5641] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5636] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... futex resumed>) = 0 [pid 5641] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5646 attached [pid 5645] memfd_create("syzkaller", 0 [pid 5643] <... mmap resumed>) = 0x7fc4ee163000 [pid 5642] <... close resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] set_robust_list(0x5555563db5e0, 24 [pid 5645] <... memfd_create resumed>) = 3 [pid 5644] <... write resumed>) = 262144 [pid 5643] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5642] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] exit_group(0 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5644] munmap(0x7fc4e5d63000, 262144 [pid 5643] <... mprotect resumed>) = 0 [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = ? [pid 5637] <... futex resumed>) = 0 [pid 5636] <... exit_group resumed>) = ? [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5644] <... munmap resumed>) = 0 [pid 5643] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5642] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] +++ exited with 0 +++ [pid 5637] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... prctl resumed>) = 0 [pid 5644] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5646] setpgid(0, 0 [pid 5644] <... openat resumed>) = 4 [pid 5643] <... clone resumed>, parent_tid=[5647], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5647 [pid 5636] +++ exited with 0 +++ [pid 5646] <... setpgid resumed>) = 0 [pid 5644] ioctl(4, LOOP_SET_FD, 3 [pid 5643] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5643] <... futex resumed>) = 0 [pid 5642] fspick(AT_FDCWD, ".", 0 [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... openat resumed>) = 3 [pid 5644] ioctl(4, LOOP_CLR_FD [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5642] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5646] write(3, "1000", 4 [pid 5644] <... ioctl resumed>) = 0 [pid 5642] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... write resumed>) = 4 [pid 5642] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5646] close(3 [pid 5642] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... close resumed>) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... futex resumed>) = 0 [pid 5642] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5642] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... mmap resumed>) = 0x7fc4ee163000 [pid 5645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5644] ioctl(4, LOOP_SET_FD, 3 [pid 5642] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5646] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5642] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5646] <... mprotect resumed>) = 0 [pid 5644] close(4 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5647 attached [pid 5646] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5644] <... close resumed>) = 0 [pid 5642] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 5647] set_robust_list(0x7fc4ee1839e0, 24 [pid 5644] close(3 [pid 5642] <... openat resumed>) = 3 [pid 5000] close(3 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] <... clone resumed>, parent_tid=[5648], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5648 [pid 5645] <... write resumed>) = 262144 [pid 5644] <... close resumed>) = 0 [pid 5642] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5647] memfd_create("syzkaller", 0 [pid 5646] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] <... memfd_create resumed>) = 3 [pid 5646] <... futex resumed>) = 0 [pid 5645] munmap(0x7fc4e5d63000, 262144 [pid 5644] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5644] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5649 [pid 5647] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5645] <... munmap resumed>) = 0 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5645] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5644] fspick(AT_FDCWD, ".", 0 [pid 5642] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... write resumed>) = 262144 [pid 5645] <... openat resumed>) = 4 [pid 5644] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5642] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5648 attached [pid 5647] munmap(0x7fc4e5d63000, 262144 [pid 5645] ioctl(4, LOOP_SET_FD, 3 [pid 5644] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] set_robust_list(0x7fc4ee1839e0, 24 [pid 5647] <... munmap resumed>) = 0 [pid 5645] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5644] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5647] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5645] ioctl(4, LOOP_CLR_FD [pid 5644] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] exit_group(0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] <... openat resumed>) = 4 [pid 5645] <... ioctl resumed>) = 0 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = ? [pid 5640] <... futex resumed>) = 0 [pid 5637] <... exit_group resumed>) = ? [pid 5647] ioctl(4, LOOP_SET_FD, 3 [pid 5644] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5642] +++ exited with 0 +++ [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5644] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5647] ioctl(4, LOOP_CLR_FD [pid 5644] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... ioctl resumed>) = 0 [pid 5644] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5637] +++ exited with 0 +++ [pid 5644] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5644] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5648] memfd_create("syzkaller", 0 [pid 5644] <... openat resumed>) = 3 [pid 5644] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5648] <... memfd_create resumed>) = 3 [pid 5644] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5644] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5647] ioctl(4, LOOP_SET_FD, 3 [pid 5645] ioctl(4, LOOP_SET_FD, 3 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5647] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5645] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5644] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5640] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5649 attached [pid 5647] close(4 [pid 5645] close(4 [pid 5644] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] close(3 [pid 5649] set_robust_list(0x5555563db5e0, 24 [pid 5648] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5647] <... close resumed>) = 0 [pid 5645] <... close resumed>) = 0 [pid 5644] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5647] close(3 [pid 5645] close(3 [pid 5644] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5647] <... close resumed>) = 0 [pid 5644] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] exit_group(0 [pid 5649] <... prctl resumed>) = 0 [pid 5647] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = ? [pid 5640] <... exit_group resumed>) = ? [pid 5649] setpgid(0, 0 [pid 5648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5647] <... futex resumed>) = 1 [pid 5645] <... close resumed>) = 0 [pid 5644] +++ exited with 0 +++ [pid 5643] <... futex resumed>) = 0 [pid 5640] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5649] <... setpgid resumed>) = 0 [pid 5647] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5649] <... openat resumed>) = 3 [pid 5647] fspick(AT_FDCWD, ".", 0 [pid 5645] <... futex resumed>) = 1 [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... futex resumed>) = 0 [pid 5649] write(3, "1000", 4 [pid 5647] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5645] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5650 [pid 5649] <... write resumed>) = 4 [pid 5647] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... futex resumed>) = 0 [pid 5649] close(3 [pid 5647] <... futex resumed>) = 1 [pid 5645] fspick(AT_FDCWD, ".", 0 [pid 5643] <... futex resumed>) = 0 [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... close resumed>) = 0 [pid 5647] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5643] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5647] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5645] <... futex resumed>) = 1 [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... futex resumed>) = 0 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5645] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5649] <... mmap resumed>) = 0x7fc4ee163000 [pid 5647] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5649] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5647] <... futex resumed>) = 1 [pid 5645] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5643] <... futex resumed>) = 0 [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5650 attached [pid 5649] <... mprotect resumed>) = 0 [pid 5648] <... write resumed>) = 262144 [pid 5647] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5643] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5650] set_robust_list(0x5555563db5e0, 24 [pid 5649] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5648] munmap(0x7fc4e5d63000, 262144 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5647] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5645] <... futex resumed>) = 1 [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5649] <... clone resumed>, parent_tid=[5651], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5651 [pid 5648] <... munmap resumed>) = 0 [pid 5647] <... openat resumed>) = 3 [pid 5645] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5650] <... prctl resumed>) = 0 [pid 5649] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5647] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] <... futex resumed>) = 0 [pid 5650] setpgid(0, 0 [pid 5649] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 1 [pid 5645] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5643] <... futex resumed>) = 0 [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5652 [pid 5648] <... openat resumed>) = 4 [pid 5650] <... setpgid resumed>) = 0 [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5648] ioctl(4, LOOP_SET_FD, 3 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... openat resumed>) = 3 [pid 5643] <... futex resumed>) = 0 [pid 5650] <... openat resumed>) = 3 [pid 5648] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5647] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5645] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] write(3, "1000", 4 [pid 5648] ioctl(4, LOOP_CLR_FD [pid 5647] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5645] <... futex resumed>) = 1 [pid 5639] <... futex resumed>) = 0 [pid 5650] <... write resumed>) = 4 [pid 5648] <... ioctl resumed>) = 0 [pid 5647] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] close(3 [pid 5647] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5639] <... futex resumed>) = 0 [pid 5650] <... close resumed>) = 0 [pid 5647] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5643] exit_group(0 [pid 5639] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = ? [pid 5645] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5643] <... exit_group resumed>) = ? [pid 5650] <... futex resumed>) = 0 [pid 5647] +++ exited with 0 +++ [pid 5645] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] +++ exited with 0 +++ [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5648] ioctl(4, LOOP_SET_FD, 3 [pid 5645] <... futex resumed>) = 1 [pid 5639] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5651 attached [pid 5650] <... mmap resumed>) = 0x7fc4ee163000 [pid 5648] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5645] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] exit_group(0 [pid 5651] set_robust_list(0x7fc4ee1839e0, 24 [pid 5650] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5648] close(4 [pid 5645] <... futex resumed>) = ? [pid 5639] <... exit_group resumed>) = ? [pid 5650] <... mprotect resumed>) = 0 [pid 5645] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5650] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4999] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5650] <... clone resumed>, parent_tid=[5653], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5653 [pid 4999] <... ioctl resumed>) = 0 [pid 5650] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5650] <... futex resumed>) = 0 [pid 5639] +++ exited with 0 +++ [pid 4999] <... close resumed>) = 0 [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5648] <... close resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] <... set_robust_list resumed>) = 0 [pid 5648] close(3 [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5654 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5648] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5648] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5648] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5648] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] memfd_create("syzkaller", 0 [pid 5648] fspick(AT_FDCWD, ".", 0 [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... memfd_create resumed>) = 3 [pid 5648] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5655 [pid 5651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5648] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5651] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5648] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5648] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5654 attached [pid 5648] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5648] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5648] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5648] <... openat resumed>) = 3 [pid 5648] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5648] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] <... futex resumed>) = 0 [pid 5648] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5646] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5648] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... prctl resumed>) = 0 [pid 5648] <... futex resumed>) = 1 [pid 5646] <... futex resumed>) = 0 [pid 5648] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] exit_group(0 [pid 5648] <... futex resumed>) = ? [pid 5646] <... exit_group resumed>) = ? [pid 5654] setpgid(0, 0 [pid 5651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5648] +++ exited with 0 +++ [pid 5646] +++ exited with 0 +++ ./strace-static-x86_64: Process 5653 attached [pid 5654] <... setpgid resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5646, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5653] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 5652 attached [pid 5654] <... openat resumed>) = 3 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5654] write(3, "1000", 4 [pid 5653] memfd_create("syzkaller", 0 [pid 5651] <... write resumed>) = 262144 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5654] <... write resumed>) = 4 [pid 5653] <... memfd_create resumed>) = 3 [pid 5652] set_robust_list(0x5555563db5e0, 24 [pid 5651] munmap(0x7fc4e5d63000, 262144 [pid 5003] <... openat resumed>) = 3 [pid 5654] close(3 [pid 5653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5654] <... close resumed>) = 0 [pid 5653] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5003] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5655 attached [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] <... munmap resumed>) = 0 [pid 5003] close(3 [pid 5654] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] set_robust_list(0x5555563db5e0, 24 [pid 5654] <... mmap resumed>) = 0x7fc4ee163000 [pid 5652] <... prctl resumed>) = 0 [pid 5651] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5655] <... set_robust_list resumed>) = 0 [pid 5654] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5653] <... write resumed>) = 262144 [pid 5652] setpgid(0, 0 [pid 5651] <... openat resumed>) = 4 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5656 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] <... mprotect resumed>) = 0 [pid 5652] <... setpgid resumed>) = 0 [pid 5655] <... prctl resumed>) = 0 [pid 5654] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] ioctl(4, LOOP_SET_FD, 3 [pid 5655] setpgid(0, 0 [pid 5652] <... openat resumed>) = 3 [pid 5651] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5655] <... setpgid resumed>) = 0 [pid 5654] <... clone resumed>, parent_tid=[5657], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5657 [pid 5652] write(3, "1000", 4 [pid 5654] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] munmap(0x7fc4e5d63000, 262144 [pid 5652] <... write resumed>) = 4 [pid 5651] ioctl(4, LOOP_CLR_FD [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5654] <... futex resumed>) = 0 [pid 5653] <... munmap resumed>) = 0 [pid 5652] close(3 [pid 5651] <... ioctl resumed>) = 0 [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5653] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5652] <... close resumed>) = 0 [pid 5655] <... openat resumed>) = 3 [pid 5653] <... openat resumed>) = 4 [pid 5653] ioctl(4, LOOP_SET_FD, 3 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] write(3, "1000", 4 [pid 5653] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5652] <... futex resumed>) = 0 [pid 5655] <... write resumed>) = 4 [pid 5653] ioctl(4, LOOP_CLR_FD [pid 5655] close(3 [pid 5652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] <... ioctl resumed>) = 0 [pid 5655] <... close resumed>) = 0 [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... mmap resumed>) = 0x7fc4ee163000 [pid 5655] <... futex resumed>) = 0 [pid 5652] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5651] ioctl(4, LOOP_SET_FD, 3 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5652] <... mprotect resumed>) = 0 [pid 5651] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5655] <... mmap resumed>) = 0x7fc4ee163000 [pid 5651] close(4 [pid 5652] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5651] <... close resumed>) = 0 ./strace-static-x86_64: Process 5657 attached [pid 5651] close(3 [pid 5655] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5657] set_robust_list(0x7fc4ee1839e0, 24 [pid 5653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5653] close(4) = 0 [pid 5652] <... clone resumed>, parent_tid=[5658], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5658 [pid 5653] close(3 [pid 5652] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... mprotect resumed>) = 0 [pid 5653] <... close resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5651] <... close resumed>) = 0 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5655] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5653] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5651] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] memfd_create("syzkaller", 0 [pid 5653] <... futex resumed>) = 1 [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5657] <... memfd_create resumed>) = 3 [pid 5655] <... clone resumed>, parent_tid=[5659], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5659 [pid 5653] fspick(AT_FDCWD, ".", 0 [pid 5651] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5655] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5656 attached [pid 5657] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5655] <... futex resumed>) = 0 [pid 5653] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] fspick(AT_FDCWD, ".", 0 [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5656] set_robust_list(0x5555563db5e0, 24 [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5653] <... futex resumed>) = 0 [pid 5651] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5658 attached [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5659 attached [pid 5658] set_robust_list(0x7fc4ee1839e0, 24 [pid 5657] <... write resumed>) = 262144 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5651] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] set_robust_list(0x7fc4ee1839e0, 24 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5656] <... prctl resumed>) = 0 [pid 5653] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] memfd_create("syzkaller", 0 [pid 5657] munmap(0x7fc4e5d63000, 262144 [pid 5656] setpgid(0, 0 [pid 5653] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] memfd_create("syzkaller", 0 [pid 5658] <... memfd_create resumed>) = 3 [pid 5656] <... setpgid resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 5651] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5650] <... futex resumed>) = 0 [pid 5658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5657] <... munmap resumed>) = 0 [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5653] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... memfd_create resumed>) = 3 [pid 5658] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5657] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5656] <... openat resumed>) = 3 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5651] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5657] <... openat resumed>) = 4 [pid 5656] write(3, "1000", 4 [pid 5653] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5651] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5658] <... write resumed>) = 262144 [pid 5657] ioctl(4, LOOP_SET_FD, 3 [pid 5656] <... write resumed>) = 4 [pid 5653] <... openat resumed>) = 3 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5658] munmap(0x7fc4e5d63000, 262144 [pid 5657] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5656] close(3 [pid 5653] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] <... munmap resumed>) = 0 [pid 5657] ioctl(4, LOOP_CLR_FD [pid 5656] <... close resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5658] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5657] <... ioctl resumed>) = 0 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] <... openat resumed>) = 3 [pid 5650] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... openat resumed>) = 4 [pid 5656] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5651] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... futex resumed>) = 0 [pid 5658] ioctl(4, LOOP_SET_FD, 3 [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5651] <... futex resumed>) = 1 [pid 5650] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... futex resumed>) = 0 [pid 5659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5658] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5656] <... mmap resumed>) = 0x7fc4ee163000 [pid 5653] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5651] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] ioctl(4, LOOP_CLR_FD [pid 5656] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5653] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5658] <... ioctl resumed>) = 0 [pid 5657] ioctl(4, LOOP_SET_FD, 3 [pid 5656] <... mprotect resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 5651] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5650] <... futex resumed>) = 0 [pid 5649] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5656] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5653] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5650] exit_group(0 [pid 5657] close(4 [pid 5653] <... futex resumed>) = ? [pid 5651] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... exit_group resumed>) = ? [pid 5659] <... write resumed>) = 262144 [pid 5657] <... close resumed>) = 0 [pid 5656] <... clone resumed>, parent_tid=[5660], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5660 [pid 5653] +++ exited with 0 +++ [pid 5651] <... futex resumed>) = 1 [pid 5650] +++ exited with 0 +++ [pid 5649] <... futex resumed>) = 0 [pid 5659] munmap(0x7fc4e5d63000, 262144 [pid 5658] ioctl(4, LOOP_SET_FD, 3 [pid 5657] close(3 [pid 5656] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5658] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5657] <... close resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5651] <... futex resumed>) = ? [pid 5649] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5660 attached [pid 5659] <... munmap resumed>) = 0 [pid 5658] close(4 [pid 5657] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5651] +++ exited with 0 +++ [pid 5649] +++ exited with 0 +++ [pid 5659] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5658] <... close resumed>) = 0 [pid 5657] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5660] set_robust_list(0x7fc4ee1839e0, 24 [pid 5658] close(3 [pid 5657] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] <... openat resumed>) = 4 [pid 5658] <... close resumed>) = 0 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5659] ioctl(4, LOOP_SET_FD, 3 [pid 5658] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] fspick(AT_FDCWD, ".", 0 [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5659] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5658] <... futex resumed>) = 1 [pid 5657] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5652] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5659] ioctl(4, LOOP_CLR_FD [pid 5658] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5659] <... ioctl resumed>) = 0 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = 0 [pid 5658] fspick(AT_FDCWD, ".", 0 [pid 5657] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 5660] memfd_create("syzkaller", 0 [pid 5658] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5658] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] <... memfd_create resumed>) = 3 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5652] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5659] ioctl(4, LOOP_SET_FD, 3 [pid 5658] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5661 [pid 5660] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5659] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5658] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5657] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] close(4 [pid 5658] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5659] <... close resumed>) = 0 [pid 5658] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5662 [pid 5659] close(3 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... openat resumed>) = 3 [pid 5652] <... futex resumed>) = 0 [pid 5658] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 1 [pid 5654] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5658] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5657] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] <... close resumed>) = 0 [pid 5658] <... openat resumed>) = 3 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... futex resumed>) = 0 [pid 5659] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5654] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5655] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5662 attached [pid 5660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5659] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] set_robust_list(0x5555563db5e0, 24 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5654] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5659] fspick(AT_FDCWD, ".", 0 [pid 5658] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5657] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] exit_group(0 [pid 5652] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5658] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5657] <... futex resumed>) = ? [pid 5654] <... exit_group resumed>) = ? [pid 5662] <... prctl resumed>) = 0 [pid 5659] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] +++ exited with 0 +++ [pid 5654] +++ exited with 0 +++ [pid 5662] setpgid(0, 0 [pid 5659] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5654, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5662] <... setpgid resumed>) = 0 [pid 5660] <... write resumed>) = 262144 [pid 5659] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] exit_group(0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] munmap(0x7fc4e5d63000, 262144 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = ? [pid 5655] <... futex resumed>) = 0 [pid 5652] <... exit_group resumed>) = ? [pid 5662] <... openat resumed>) = 3 [pid 5660] <... munmap resumed>) = 0 [pid 5659] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5658] +++ exited with 0 +++ [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5662] write(3, "1000", 4 [pid 5660] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5659] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... openat resumed>) = 3 [pid 5662] <... write resumed>) = 4 [pid 5660] <... openat resumed>) = 4 [pid 5659] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5662] close(3 [pid 5660] ioctl(4, LOOP_SET_FD, 3 [pid 5659] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 5662] <... close resumed>) = 0 [pid 5660] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5659] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] ioctl(4, LOOP_CLR_FD [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5660] <... ioctl resumed>) = 0 [pid 5659] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5662] <... mmap resumed>) = 0x7fc4ee163000 [pid 5002] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5663 [pid 5662] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... mprotect resumed>) = 0 [pid 5662] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5664 [pid 5662] <... clone resumed>, parent_tid=[5665], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5665 [pid 5662] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5663 attached [pid 5663] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5663] setpgid(0, 0) = 0 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5663] write(3, "1000", 4) = 4 [pid 5663] close(3) = 0 [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5663] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5663] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5665 attached [pid 5665] set_robust_list(0x7fc4ee1839e0, 24 [pid 5663] <... clone resumed>, parent_tid=[5666], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5666 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5663] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] memfd_create("syzkaller", 0 [pid 5659] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5659] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5659] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5663] <... futex resumed>) = 0 [pid 5659] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5655] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... memfd_create resumed>) = 3 [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5659] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5664 attached [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5659] <... futex resumed>) = 0 [pid 5655] exit_group(0 [pid 5665] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5664] set_robust_list(0x5555563db5e0, 24 [pid 5660] ioctl(4, LOOP_SET_FD, 3 [pid 5655] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5661 attached [pid 5664] <... set_robust_list resumed>) = 0 [pid 5660] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5659] +++ exited with 0 +++ [pid 5655] +++ exited with 0 +++ [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5660] close(4 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5664] <... prctl resumed>) = 0 [pid 5664] setpgid(0, 0 [pid 5660] <... close resumed>) = 0 [pid 5664] <... setpgid resumed>) = 0 [pid 5661] set_robust_list(0x5555563db5e0, 24 [pid 5660] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] <... openat resumed>) = 3 [pid 5665] <... write resumed>) = 262144 [pid 5664] <... openat resumed>) = 3 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5664] write(3, "1000", 4 [pid 5660] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5664] <... write resumed>) = 4 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5656] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5004] close(3 [pid 5664] close(3 [pid 5661] <... prctl resumed>) = 0 [pid 5660] fspick(AT_FDCWD, ".", 0 [pid 5656] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5665] munmap(0x7fc4e5d63000, 262144 [pid 5664] <... close resumed>) = 0 [pid 5660] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5656] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] setpgid(0, 0 [pid 5660] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... munmap resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5661] <... setpgid resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5667 ./strace-static-x86_64: Process 5666 attached [pid 5665] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5656] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] set_robust_list(0x7fc4ee1839e0, 24 [pid 5665] <... openat resumed>) = 4 [pid 5664] <... mmap resumed>) = 0x7fc4ee163000 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] <... futex resumed>) = 0 [pid 5661] <... openat resumed>) = 3 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] ioctl(4, LOOP_SET_FD, 3 [pid 5664] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5661] write(3, "1000", 4 [pid 5660] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] memfd_create("syzkaller", 0 [pid 5665] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5664] <... mprotect resumed>) = 0 [pid 5661] <... write resumed>) = 4 [pid 5660] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5666] <... memfd_create resumed>) = 3 [pid 5665] ioctl(4, LOOP_CLR_FD [pid 5664] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5661] close(3 [pid 5660] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5665] <... ioctl resumed>) = 0 [pid 5661] <... close resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 [pid 5666] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5664] <... clone resumed>, parent_tid=[5668], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5668 [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5656] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5664] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5667 attached [pid 5666] <... write resumed>) = 262144 [pid 5665] ioctl(4, LOOP_SET_FD, 3 [pid 5664] <... futex resumed>) = 0 [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5660] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5661] <... mmap resumed>) = 0x7fc4ee163000 [pid 5665] close(4 [pid 5666] munmap(0x7fc4e5d63000, 262144 [pid 5665] <... close resumed>) = 0 [pid 5660] <... openat resumed>) = 3 [pid 5667] set_robust_list(0x5555563db5e0, 24 [pid 5666] <... munmap resumed>) = 0 [pid 5665] close(3 [pid 5661] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5660] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5668 attached [pid 5667] <... set_robust_list resumed>) = 0 [pid 5665] <... close resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 [pid 5666] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5665] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... mprotect resumed>) = 0 [pid 5660] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5656] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] <... openat resumed>) = 4 [pid 5665] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5668] set_robust_list(0x7fc4ee1839e0, 24 [pid 5661] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5660] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5656] <... futex resumed>) = 0 [pid 5666] ioctl(4, LOOP_SET_FD, 3 [pid 5665] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... prctl resumed>) = 0 [pid 5666] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = 0 [pid 5661] <... clone resumed>, parent_tid=[5669], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5669 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] ioctl(4, LOOP_CLR_FD [pid 5665] fspick(AT_FDCWD, ".", 0 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... ioctl resumed>) = 0 [pid 5665] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5656] exit_group(0 [pid 5661] <... futex resumed>) = 0 [pid 5665] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = ? [pid 5656] <... exit_group resumed>) = ? [pid 5665] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] +++ exited with 0 +++ [pid 5665] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = 0 [pid 5665] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5656] +++ exited with 0 +++ [pid 5665] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5666] ioctl(4, LOOP_SET_FD, 3 [pid 5665] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5667] setpgid(0, 0 [pid 5666] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5665] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] close(4 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = 0 [pid 5668] memfd_create("syzkaller", 0 [pid 5667] <... setpgid resumed>) = 0 [pid 5666] <... close resumed>) = 0 [pid 5665] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 5668] <... memfd_create resumed>) = 3 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] close(3 [pid 5665] <... openat resumed>) = 3 [pid 5668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5667] <... openat resumed>) = 3 [pid 5666] <... close resumed>) = 0 [pid 5665] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5667] write(3, "1000", 4 [pid 5666] <... futex resumed>) = 1 [pid 5665] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] <... futex resumed>) = 0 [pid 5662] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5668] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5667] <... write resumed>) = 4 [pid 5666] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5663] <... futex resumed>) = 0 [pid 5662] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = 0 [pid 5667] close(3 [pid 5666] fspick(AT_FDCWD, ".", 0 [pid 5665] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5666] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5665] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5666] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5667] <... close resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5665] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] <... futex resumed>) = 0 [pid 5662] exit_group(0 [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5665] <... futex resumed>) = ? [pid 5663] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... exit_group resumed>) = ? [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5670 [pid 5668] <... write resumed>) = 262144 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] +++ exited with 0 +++ [pid 5663] <... futex resumed>) = 0 [pid 5662] +++ exited with 0 +++ [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... mmap resumed>) = 0x7fc4ee163000 [pid 5666] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5667] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5666] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5666] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... mprotect resumed>) = 0 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] <... futex resumed>) = 0 [pid 5667] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5666] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... openat resumed>) = 3 [pid 5667] <... clone resumed>, parent_tid=[5671], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5671 [pid 5666] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5669 attached [pid 5668] munmap(0x7fc4e5d63000, 262144 [pid 5667] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5669] set_robust_list(0x7fc4ee1839e0, 24 [pid 5667] <... futex resumed>) = 0 [pid 5666] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] <... futex resumed>) = 0 [pid 5666] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5663] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] memfd_create("syzkaller", 0 [pid 5666] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5666] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5669] <... memfd_create resumed>) = 3 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] <... munmap resumed>) = 0 [pid 5666] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5666] <... futex resumed>) = ? [pid 5663] <... exit_group resumed>) = ? [pid 5001] <... ioctl resumed>) = 0 [pid 5669] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5668] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5666] +++ exited with 0 +++ [pid 5663] +++ exited with 0 +++ [pid 5001] close(3 [pid 5668] <... openat resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 5668] ioctl(4, LOOP_SET_FD, 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5671 attached ) = 3 [pid 5671] set_robust_list(0x7fc4ee1839e0, 24 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5671] <... set_robust_list resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5671] memfd_create("syzkaller", 0 [pid 5668] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] close(3 [pid 5671] <... memfd_create resumed>) = 3 [pid 5668] ioctl(4, LOOP_CLR_FD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5672 [pid 4999] <... close resumed>) = 0 [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5668] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5670 attached [pid 5671] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5670] set_robust_list(0x5555563db5e0, 24 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5673 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5670] <... prctl resumed>) = 0 [pid 5670] setpgid(0, 0) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5668] ioctl(4, LOOP_SET_FD, 3 [pid 5670] write(3, "1000", 4) = 4 [pid 5668] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5670] close(3 [pid 5669] <... write resumed>) = 262144 [pid 5668] close(4 [pid 5670] <... close resumed>) = 0 [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] munmap(0x7fc4e5d63000, 262144 [pid 5668] <... close resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5668] close(3 [pid 5670] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5672 attached ) = 0 [pid 5672] set_robust_list(0x5555563db5e0, 24 [pid 5670] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5672] <... set_robust_list resumed>) = 0 [pid 5668] <... close resumed>) = 0 [pid 5672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] <... write resumed>) = 262144 [pid 5670] <... clone resumed>, parent_tid=[5674], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5674 [pid 5668] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... prctl resumed>) = 0 [pid 5671] munmap(0x7fc4e5d63000, 262144 [pid 5670] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... munmap resumed>) = 0 [pid 5668] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5672] setpgid(0, 0 [pid 5671] <... munmap resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5669] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5668] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... setpgid resumed>) = 0 [pid 5671] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5671] <... openat resumed>) = 4 [pid 5669] <... openat resumed>) = 4 [pid 5668] fspick(AT_FDCWD, ".", 0 [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5673 attached [pid 5672] <... openat resumed>) = 3 [pid 5671] ioctl(4, LOOP_SET_FD, 3 [pid 5669] ioctl(4, LOOP_SET_FD, 3 [pid 5668] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5673] set_robust_list(0x5555563db5e0, 24 [pid 5672] write(3, "1000", 4 [pid 5671] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5669] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5668] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5672] <... write resumed>) = 4 [pid 5671] ioctl(4, LOOP_CLR_FD [pid 5669] ioctl(4, LOOP_CLR_FD [pid 5668] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] close(3 [pid 5671] <... ioctl resumed>) = 0 [pid 5669] <... ioctl resumed>) = 0 [pid 5668] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5674 attached [pid 5673] <... prctl resumed>) = 0 [pid 5672] <... close resumed>) = 0 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5673] setpgid(0, 0 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] set_robust_list(0x7fc4ee1839e0, 24 [pid 5668] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... setpgid resumed>) = 0 [pid 5672] <... futex resumed>) = 0 [pid 5668] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5674] <... set_robust_list resumed>) = 0 [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] memfd_create("syzkaller", 0 [pid 5673] <... openat resumed>) = 3 [pid 5672] <... mmap resumed>) = 0x7fc4ee163000 [pid 5671] ioctl(4, LOOP_SET_FD, 3 [pid 5669] ioctl(4, LOOP_SET_FD, 3 [pid 5668] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5673] write(3, "1000", 4 [pid 5672] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5671] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5669] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5668] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5664] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... memfd_create resumed>) = 3 [pid 5673] <... write resumed>) = 4 [pid 5672] <... mprotect resumed>) = 0 [pid 5671] close(4 [pid 5669] close(4 [pid 5664] <... futex resumed>) = 0 [pid 5674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5673] close(3 [pid 5672] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5671] <... close resumed>) = 0 [pid 5669] <... close resumed>) = 0 [pid 5668] <... openat resumed>) = 3 [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... close resumed>) = 0 [pid 5671] close(3 [pid 5669] close(3 [pid 5668] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... clone resumed>, parent_tid=[5675], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5675 [pid 5671] <... close resumed>) = 0 [pid 5664] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = 0 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5672] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5669] <... close resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5664] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... futex resumed>) = 0 [pid 5673] <... mmap resumed>) = 0x7fc4ee163000 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5671] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5667] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... futex resumed>) = 1 [pid 5668] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5667] <... futex resumed>) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5673] <... mprotect resumed>) = 0 [pid 5671] fspick(AT_FDCWD, ".", 0 [pid 5669] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5671] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5671] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] fspick(AT_FDCWD, ".", 0 [pid 5668] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] exit_group(0 [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... clone resumed>, parent_tid=[5676], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5676 [pid 5671] <... futex resumed>) = 1 [pid 5669] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5668] <... futex resumed>) = ? [pid 5667] <... futex resumed>) = 0 [pid 5664] <... exit_group resumed>) = ? [pid 5673] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] +++ exited with 0 +++ [pid 5673] <... futex resumed>) = 0 [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5675 attached [pid 5675] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5675] memfd_create("syzkaller", 0 [pid 5664] +++ exited with 0 +++ [pid 5669] <... futex resumed>) = 1 [pid 5667] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5671] <... futex resumed>) = 0 [pid 5669] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... futex resumed>) = 1 [pid 5661] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5671] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5671] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5669] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5671] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5671] <... futex resumed>) = 1 [pid 5669] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5675] <... memfd_create resumed>) = 3 [pid 5671] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 1 [pid 5667] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... futex resumed>) = 0 [pid 5661] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5675] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5671] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5676 attached [pid 5674] <... write resumed>) = 262144 [pid 5671] <... openat resumed>) = 3 [pid 5669] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5676] set_robust_list(0x7fc4ee1839e0, 24 [pid 5675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5674] munmap(0x7fc4e5d63000, 262144 [pid 5671] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5669] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5676] memfd_create("syzkaller", 0 [pid 5674] <... munmap resumed>) = 0 [pid 5671] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 1 [pid 5667] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 0 [pid 5676] <... memfd_create resumed>) = 3 [pid 5674] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... futex resumed>) = 0 [pid 5661] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5677 [pid 5676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5674] <... openat resumed>) = 4 [pid 5671] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] <... futex resumed>) = 0 [pid 5676] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5675] <... write resumed>) = 262144 [pid 5674] ioctl(4, LOOP_SET_FD, 3 [pid 5671] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5669] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5661] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5675] munmap(0x7fc4e5d63000, 262144 [pid 5674] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5671] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5677 attached [pid 5676] <... write resumed>) = 262144 [pid 5675] <... munmap resumed>) = 0 [pid 5674] ioctl(4, LOOP_CLR_FD [pid 5671] <... futex resumed>) = 1 [pid 5669] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5675] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5674] <... ioctl resumed>) = 0 [pid 5671] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 1 [pid 5667] exit_group(0 [pid 5661] <... futex resumed>) = 0 [pid 5676] munmap(0x7fc4e5d63000, 262144 [pid 5675] <... openat resumed>) = 4 [pid 5671] <... futex resumed>) = ? [pid 5669] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... exit_group resumed>) = ? [pid 5661] exit_group(0 [pid 5677] set_robust_list(0x5555563db5e0, 24 [pid 5676] <... munmap resumed>) = 0 [pid 5675] ioctl(4, LOOP_SET_FD, 3 [pid 5671] +++ exited with 0 +++ [pid 5676] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5675] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5676] <... openat resumed>) = 4 [pid 5675] ioctl(4, LOOP_CLR_FD [pid 5676] ioctl(4, LOOP_SET_FD, 3 [pid 5675] <... ioctl resumed>) = 0 [pid 5676] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5667] +++ exited with 0 +++ [pid 5676] ioctl(4, LOOP_CLR_FD [pid 5669] <... futex resumed>) = ? [pid 5661] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5676] <... ioctl resumed>) = 0 [pid 5669] +++ exited with 0 +++ [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3 [pid 5661] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 5674] ioctl(4, LOOP_SET_FD, 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5677] <... set_robust_list resumed>) = 0 [pid 5675] ioctl(4, LOOP_SET_FD, 3 [pid 5674] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5676] ioctl(4, LOOP_SET_FD, 3 [pid 5675] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5678 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5676] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5675] close(4 [pid 5674] close(4 [pid 5676] close(4 [pid 5675] <... close resumed>) = 0 [pid 5674] <... close resumed>) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5676] <... close resumed>) = 0 [pid 5675] close(3 [pid 5674] close(3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5677] <... prctl resumed>) = 0 [pid 5676] close(3 [pid 5675] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5677] setpgid(0, 0 [pid 5676] <... close resumed>) = 0 [pid 5675] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... close resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5677] <... setpgid resumed>) = 0 [pid 5676] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 1 [pid 5674] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5676] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5670] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] fspick(AT_FDCWD, ".", 0 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5677] <... openat resumed>) = 3 [pid 5676] fspick(AT_FDCWD, ".", 0 [pid 5675] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5674] fspick(AT_FDCWD, ".", 0 [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5675] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5677] write(3, "1000", 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5679 ./strace-static-x86_64: Process 5678 attached [pid 5677] <... write resumed>) = 4 [pid 5676] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 1 [pid 5674] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5677] close(3 [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5677] <... close resumed>) = 0 [pid 5676] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5670] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... futex resumed>) = 0 [pid 5678] set_robust_list(0x5555563db5e0, 24 [pid 5677] <... futex resumed>) = 0 [pid 5676] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5675] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5674] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5676] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5675] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] <... mmap resumed>) = 0x7fc4ee163000 [pid 5676] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 1 [pid 5674] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5677] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5677] <... mprotect resumed>) = 0 [pid 5676] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5670] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5679 attached [pid 5677] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... futex resumed>) = 0 [pid 5679] set_robust_list(0x5555563db5e0, 24 [pid 5678] setpgid(0, 0 [pid 5676] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5675] <... openat resumed>) = 3 [pid 5674] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... set_robust_list resumed>) = 0 [pid 5678] <... setpgid resumed>) = 0 [pid 5677] <... clone resumed>, parent_tid=[5680], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5680 [pid 5676] <... openat resumed>) = 3 [pid 5675] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... openat resumed>) = 3 [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 1 [pid 5674] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5679] <... prctl resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5679] setpgid(0, 0 [pid 5678] <... openat resumed>) = 3 [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5676] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5670] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... setpgid resumed>) = 0 [pid 5678] write(3, "1000", 4 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5672] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... futex resumed>) = 0 [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5678] <... write resumed>) = 4 [pid 5676] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5675] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5674] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5673] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... openat resumed>) = 3 [pid 5678] close(3 [pid 5676] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5675] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5679] write(3, "1000", 4 [pid 5678] <... close resumed>) = 0 [pid 5676] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 1 [pid 5674] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 0 [pid 5679] <... write resumed>) = 4 [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = 1 [pid 5675] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5672] exit_group(0 [pid 5670] <... futex resumed>) = 0 [pid 5679] close(3 [pid 5678] <... futex resumed>) = 0 [pid 5676] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... futex resumed>) = ? [pid 5674] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] exit_group(0 [pid 5672] <... exit_group resumed>) = ? [pid 5670] exit_group(0./strace-static-x86_64: Process 5680 attached [pid 5679] <... close resumed>) = 0 [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5676] <... futex resumed>) = ? [pid 5675] +++ exited with 0 +++ [pid 5674] <... futex resumed>) = ? [pid 5673] <... exit_group resumed>) = ? [pid 5672] +++ exited with 0 +++ [pid 5670] <... exit_group resumed>) = ? [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... mmap resumed>) = 0x7fc4ee163000 [pid 5676] +++ exited with 0 +++ [pid 5674] +++ exited with 0 +++ [pid 5673] +++ exited with 0 +++ [pid 5679] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5673, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5679] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5670] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5678] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5680] set_robust_list(0x7fc4ee1839e0, 24 [pid 5679] <... mprotect resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4999] <... openat resumed>) = 3 [pid 5680] <... set_robust_list resumed>) = 0 [pid 5679] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5678] <... mprotect resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... restart_syscall resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5678] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... restart_syscall resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5680] memfd_create("syzkaller", 0 [pid 5679] <... clone resumed>, parent_tid=[5681], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5681 [pid 4999] close(3 [pid 5680] <... memfd_create resumed>) = 3 [pid 5679] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... clone resumed>, parent_tid=[5682], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5682 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5679] <... futex resumed>) = 0 [pid 5678] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5680] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5678] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5683 [pid 5003] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 5003] close(3 [pid 5001] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5685 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5684 ./strace-static-x86_64: Process 5682 attached [pid 5682] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5682] memfd_create("syzkaller", 0) = 3 [pid 5682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5680] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5685 attached ./strace-static-x86_64: Process 5684 attached [pid 5685] set_robust_list(0x5555563db5e0, 24 [pid 5684] set_robust_list(0x5555563db5e0, 24 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] <... set_robust_list resumed>) = 0 [pid 5680] munmap(0x7fc4e5d63000, 262144 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5681 attached [pid 5685] <... prctl resumed>) = 0 [pid 5680] <... munmap resumed>) = 0 [pid 5681] set_robust_list(0x7fc4ee1839e0, 24 [pid 5680] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5685] setpgid(0, 0 [pid 5684] <... prctl resumed>) = 0 [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5683 attached [pid 5685] <... setpgid resumed>) = 0 [pid 5684] setpgid(0, 0 [pid 5681] memfd_create("syzkaller", 0 [pid 5680] ioctl(4, LOOP_SET_FD, 3 [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5684] <... setpgid resumed>) = 0 [pid 5683] set_robust_list(0x5555563db5e0, 24 [pid 5681] <... memfd_create resumed>) = 3 [pid 5680] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5685] <... openat resumed>) = 3 [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] ioctl(4, LOOP_CLR_FD [pid 5685] write(3, "1000", 4 [pid 5684] <... openat resumed>) = 3 [pid 5683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5681] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5680] <... ioctl resumed>) = 0 [pid 5685] <... write resumed>) = 4 [pid 5684] write(3, "1000", 4 [pid 5683] <... prctl resumed>) = 0 [pid 5681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5685] close(3 [pid 5684] <... write resumed>) = 4 [pid 5683] setpgid(0, 0 [pid 5682] <... write resumed>) = 262144 [pid 5685] <... close resumed>) = 0 [pid 5684] close(3 [pid 5683] <... setpgid resumed>) = 0 [pid 5681] <... write resumed>) = 262144 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... close resumed>) = 0 [pid 5682] munmap(0x7fc4e5d63000, 262144 [pid 5680] ioctl(4, LOOP_SET_FD, 3 [pid 5683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5680] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5685] <... futex resumed>) = 0 [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... openat resumed>) = 3 [pid 5682] <... munmap resumed>) = 0 [pid 5680] close(4 [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5684] <... futex resumed>) = 0 [pid 5682] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5685] <... mmap resumed>) = 0x7fc4ee163000 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5682] <... openat resumed>) = 4 [pid 5685] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5684] <... mmap resumed>) = 0x7fc4ee163000 [pid 5682] ioctl(4, LOOP_SET_FD, 3 [pid 5681] munmap(0x7fc4e5d63000, 262144 [pid 5685] <... mprotect resumed>) = 0 [pid 5684] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5682] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5681] <... munmap resumed>) = 0 [pid 5685] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5684] <... mprotect resumed>) = 0 [pid 5682] ioctl(4, LOOP_CLR_FD [pid 5684] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5682] <... ioctl resumed>) = 0 [pid 5681] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5685] <... clone resumed>, parent_tid=[5686], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5686 [pid 5685] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... clone resumed>, parent_tid=[5687], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5687 [pid 5681] <... openat resumed>) = 4 [pid 5685] <... futex resumed>) = 0 [pid 5684] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5681] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5687 attached [pid 5682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5682] close(4) = 0 [pid 5682] close(3) = 0 [pid 5682] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5682] <... futex resumed>) = 1 [pid 5681] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] <... close resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5682] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] close(4 [pid 5683] write(3, "1000", 4 [pid 5681] <... close resumed>) = 0 [pid 5680] close(3 [pid 5678] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(3 [pid 5682] <... futex resumed>) = 0 [pid 5681] <... close resumed>) = 0 [pid 5680] <... close resumed>) = 0 [pid 5683] <... write resumed>) = 4 [pid 5678] <... futex resumed>) = 1 [pid 5682] fspick(AT_FDCWD, ".", 0 [pid 5681] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] close(3 [pid 5682] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5683] <... close resumed>) = 0 [pid 5682] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] fspick(AT_FDCWD, ".", 0 [pid 5680] fspick(AT_FDCWD, ".", 0 [pid 5679] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = 1 [pid 5681] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5680] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5682] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 0 [pid 5679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... mmap resumed>) = 0x7fc4ee163000 [pid 5682] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5681] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5682] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] set_robust_list(0x7fc4ee1839e0, 24 [pid 5683] <... mprotect resumed>) = 0 [pid 5682] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5680] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... set_robust_list resumed>) = 0 [pid 5683] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5682] <... futex resumed>) = 1 [pid 5681] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5680] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5678] <... futex resumed>) = 0 [pid 5687] memfd_create("syzkaller", 0 [pid 5682] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... memfd_create resumed>) = 3 [pid 5683] <... clone resumed>, parent_tid=[5688], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5688 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5683] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5681] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5683] <... futex resumed>) = 0 [pid 5682] <... openat resumed>) = 3 [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5682] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5680] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5688 attached ./strace-static-x86_64: Process 5686 attached [pid 5687] <... write resumed>) = 262144 [pid 5682] <... futex resumed>) = 1 [pid 5681] <... openat resumed>) = 3 [pid 5680] <... openat resumed>) = 3 [pid 5678] <... futex resumed>) = 0 [pid 5688] set_robust_list(0x7fc4ee1839e0, 24 [pid 5687] munmap(0x7fc4e5d63000, 262144 [pid 5686] set_robust_list(0x7fc4ee1839e0, 24 [pid 5682] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5687] <... munmap resumed>) = 0 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5682] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5681] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... openat resumed>) = 4 [pid 5682] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5682] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5680] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5679] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5688] memfd_create("syzkaller", 0 [pid 5687] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5682] <... futex resumed>) = 1 [pid 5681] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5680] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5678] <... futex resumed>) = 0 [pid 5687] ioctl(4, LOOP_CLR_FD [pid 5686] memfd_create("syzkaller", 0 [pid 5682] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... memfd_create resumed>) = 3 [pid 5687] <... ioctl resumed>) = 0 [pid 5681] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] exit_group(0 [pid 5677] <... futex resumed>) = 0 [pid 5686] <... memfd_create resumed>) = 3 [pid 5688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5682] <... futex resumed>) = ? [pid 5681] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] exit_group(0 [pid 5678] <... exit_group resumed>) = ? [pid 5677] exit_group(0 [pid 5682] +++ exited with 0 +++ [pid 5681] <... futex resumed>) = ? [pid 5679] <... exit_group resumed>) = ? [pid 5688] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5681] +++ exited with 0 +++ [pid 5680] <... futex resumed>) = ? [pid 5679] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5677] <... exit_group resumed>) = ? [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5680] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5687] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5687] close(4) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5677] +++ exited with 0 +++ [pid 5687] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... openat resumed>) = 3 [pid 5687] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5687] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5000] close(3 [pid 5687] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5688] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5687] fspick(AT_FDCWD, ".", 0 [pid 5686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5687] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5689 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5690 [pid 5687] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5687] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5688] <... write resumed>) = 262144 [pid 5687] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5691 [pid 5688] munmap(0x7fc4e5d63000, 262144 [pid 5687] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5687] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5688] <... munmap resumed>) = 0 [pid 5687] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... openat resumed>) = 3 [pid 5687] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5687] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5690 attached [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5690] set_robust_list(0x5555563db5e0, 24 [pid 5688] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5687] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5684] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... set_robust_list resumed>) = 0 [pid 5687] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5688] <... openat resumed>) = 4 [pid 5687] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... write resumed>) = 262144 [pid 5690] <... prctl resumed>) = 0 [pid 5688] ioctl(4, LOOP_SET_FD, 3 [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5690] setpgid(0, 0 [pid 5688] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5687] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] munmap(0x7fc4e5d63000, 262144 [pid 5684] exit_group(0 [pid 5690] <... setpgid resumed>) = 0 [pid 5687] <... futex resumed>) = ? [pid 5684] <... exit_group resumed>) = ? [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5688] ioctl(4, LOOP_CLR_FD [pid 5687] +++ exited with 0 +++ [pid 5686] <... munmap resumed>) = 0 [pid 5684] +++ exited with 0 +++ [pid 5690] <... openat resumed>) = 3 [pid 5688] <... ioctl resumed>) = 0 [pid 5686] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5690] write(3, "1000", 4 [pid 5686] <... openat resumed>) = 4 [pid 5690] <... write resumed>) = 4 ./strace-static-x86_64: Process 5691 attached [pid 5690] close(3 [pid 5686] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5689 attached [pid 5690] <... close resumed>) = 0 [pid 5686] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] set_robust_list(0x5555563db5e0, 24 [pid 5686] ioctl(4, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5686] <... ioctl resumed>) = 0 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... ioctl resumed>) = 0 [pid 5691] set_robust_list(0x5555563db5e0, 24 [pid 5690] <... mmap resumed>) = 0x7fc4ee163000 [pid 5689] <... prctl resumed>) = 0 [pid 5688] ioctl(4, LOOP_SET_FD, 3 [pid 5001] close(3 [pid 5690] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5689] setpgid(0, 0 [pid 5688] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... close resumed>) = 0 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] <... mprotect resumed>) = 0 [pid 5689] <... setpgid resumed>) = 0 [pid 5688] close(4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5688] <... close resumed>) = 0 [pid 5686] ioctl(4, LOOP_SET_FD, 3 [pid 5691] <... prctl resumed>) = 0 [pid 5689] <... openat resumed>) = 3 [pid 5688] close(3 [pid 5686] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5690] <... clone resumed>, parent_tid=[5692], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5692 [pid 5690] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] write(3, "1000", 4 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5693 [pid 5690] <... futex resumed>) = 0 [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5689] <... write resumed>) = 4 [pid 5689] close(3) = 0 [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5691] setpgid(0, 0 [pid 5688] <... close resumed>) = 0 [pid 5686] close(4 [pid 5689] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5691] <... setpgid resumed>) = 0 [pid 5689] <... mprotect resumed>) = 0 [pid 5688] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... close resumed>) = 0 [pid 5691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5688] <... futex resumed>) = 1 [pid 5686] close(3 [pid 5683] <... futex resumed>) = 0 [pid 5688] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... clone resumed>, parent_tid=[5694], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5694 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... futex resumed>) = 0 [pid 5689] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] fspick(AT_FDCWD, ".", 0 [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5688] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5692 attached [pid 5692] set_robust_list(0x7fc4ee1839e0, 24 [pid 5686] <... close resumed>) = 0 [pid 5688] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] <... openat resumed>) = 3 [pid 5683] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = 1 [pid 5686] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] write(3, "1000", 4 [pid 5688] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5683] <... futex resumed>) = 0 [pid 5691] <... write resumed>) = 4 [pid 5688] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5686] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] close(3 [pid 5688] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... close resumed>) = 0 [pid 5688] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5685] <... futex resumed>) = 0 [pid 5683] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5686] fspick(AT_FDCWD, ".", 0 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... futex resumed>) = 0 [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] memfd_create("syzkaller", 0 [pid 5688] <... openat resumed>) = 3 [pid 5691] <... futex resumed>) = 0 [pid 5686] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5694 attached [pid 5694] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5694] memfd_create("syzkaller", 0 [pid 5692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5688] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5691] <... mmap resumed>) = 0x7fc4ee163000 [pid 5688] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5685] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5693 attached [pid 5691] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5685] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5694] <... memfd_create resumed>) = 3 [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5691] <... mprotect resumed>) = 0 [pid 5688] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5686] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5693] set_robust_list(0x5555563db5e0, 24 [pid 5691] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5688] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5688] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5685] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5691] <... clone resumed>, parent_tid=[5695], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5695 [pid 5688] <... futex resumed>) = 1 [pid 5686] <... openat resumed>) = 3 [pid 5685] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5695 attached [pid 5693] <... prctl resumed>) = 0 [pid 5691] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] exit_group(0 [pid 5695] set_robust_list(0x7fc4ee1839e0, 24 [pid 5694] <... write resumed>) = 262144 [pid 5693] setpgid(0, 0 [pid 5691] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = ? [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... exit_group resumed>) = ? [pid 5695] <... set_robust_list resumed>) = 0 [pid 5693] <... setpgid resumed>) = 0 [pid 5692] <... write resumed>) = 262144 [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5688] +++ exited with 0 +++ [pid 5686] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5685] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] memfd_create("syzkaller", 0 [pid 5694] munmap(0x7fc4e5d63000, 262144 [pid 5692] munmap(0x7fc4e5d63000, 262144 [pid 5686] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5685] <... futex resumed>) = 0 [pid 5683] +++ exited with 0 +++ [pid 5695] <... memfd_create resumed>) = 3 [pid 5694] <... munmap resumed>) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5692] <... munmap resumed>) = 0 [pid 5686] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5694] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5692] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5695] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5694] <... openat resumed>) = 4 [pid 5692] <... openat resumed>) = 4 [pid 5686] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] exit_group(0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5694] ioctl(4, LOOP_SET_FD, 3 [pid 5693] write(3, "1000", 4 [pid 5692] ioctl(4, LOOP_SET_FD, 3 [pid 5686] <... futex resumed>) = ? [pid 5685] <... exit_group resumed>) = ? [pid 4999] <... restart_syscall resumed>) = 0 [pid 5695] <... write resumed>) = 262144 [pid 5694] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5693] <... write resumed>) = 4 [pid 5692] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5686] +++ exited with 0 +++ [pid 5685] +++ exited with 0 +++ [pid 5694] ioctl(4, LOOP_CLR_FD [pid 5693] close(3 [pid 5692] ioctl(4, LOOP_CLR_FD [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5695] munmap(0x7fc4e5d63000, 262144 [pid 5694] <... ioctl resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5692] <... ioctl resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5695] <... munmap resumed>) = 0 [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5695] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5695] <... openat resumed>) = 4 [pid 5693] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5695] ioctl(4, LOOP_SET_FD, 3 [pid 4999] close(3 [pid 5695] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4999] <... close resumed>) = 0 [pid 5695] ioctl(4, LOOP_CLR_FD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5695] <... ioctl resumed>) = 0 [pid 5694] ioctl(4, LOOP_SET_FD, 3 [pid 5693] <... mmap resumed>) = 0x7fc4ee163000 [pid 5692] ioctl(4, LOOP_SET_FD, 3 [pid 5694] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5693] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5692] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5696 [pid 5694] close(4 [pid 5693] <... mprotect resumed>) = 0 [pid 5692] close(4 [pid 5003] <... openat resumed>) = 3 [pid 5694] <... close resumed>) = 0 [pid 5692] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5694] close(3 [pid 5693] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5692] close(3 [pid 5003] <... ioctl resumed>) = 0 [pid 5695] ioctl(4, LOOP_SET_FD, 3 [pid 5694] <... close resumed>) = 0 [pid 5692] <... close resumed>) = 0 [pid 5003] close(3 [pid 5695] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5694] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... clone resumed>, parent_tid=[5697], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5697 [pid 5692] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5695] close(4 [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5695] <... close resumed>) = 0 [pid 5694] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(3 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5698 [pid 5695] <... close resumed>) = 0 [pid 5694] fspick(AT_FDCWD, ".", 0 [pid 5692] fspick(AT_FDCWD, ".", 0 [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5695] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5695] <... futex resumed>) = 1 [pid 5694] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 [pid 5695] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5691] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] fspick(AT_FDCWD, ".", 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5698 attached [pid 5695] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5694] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5692] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] set_robust_list(0x5555563db5e0, 24 [pid 5695] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5698] <... set_robust_list resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5694] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5697 attached [pid 5698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 1 [pid 5691] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5698] <... prctl resumed>) = 0 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5696 attached [pid 5698] setpgid(0, 0 [pid 5697] set_robust_list(0x7fc4ee1839e0, 24 [pid 5695] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5698] <... setpgid resumed>) = 0 [pid 5695] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5694] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5692] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] set_robust_list(0x5555563db5e0, 24 [pid 5695] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... openat resumed>) = 3 [pid 5692] <... openat resumed>) = 3 [pid 5698] <... openat resumed>) = 3 [pid 5697] memfd_create("syzkaller", 0 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5694] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 [pid 5698] write(3, "1000", 4 [pid 5695] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 1 [pid 5691] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5697] <... memfd_create resumed>) = 3 [pid 5698] <... write resumed>) = 4 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5698] close(3 [pid 5695] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5698] <... close resumed>) = 0 [pid 5697] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5696] <... prctl resumed>) = 0 [pid 5695] <... openat resumed>) = 3 [pid 5694] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5692] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5690] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5692] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5698] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 1 [pid 5694] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] setpgid(0, 0 [pid 5691] <... futex resumed>) = 0 [pid 5698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5696] <... setpgid resumed>) = 0 [pid 5695] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 1 [pid 5691] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5698] <... mmap resumed>) = 0x7fc4ee163000 [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... futex resumed>) = 0 [pid 5690] exit_group(0 [pid 5689] exit_group(0 [pid 5698] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... openat resumed>) = 3 [pid 5695] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5694] <... futex resumed>) = ? [pid 5692] <... futex resumed>) = ? [pid 5691] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... exit_group resumed>) = ? [pid 5689] <... exit_group resumed>) = ? [pid 5698] <... mprotect resumed>) = 0 [pid 5697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5696] write(3, "1000", 4 [pid 5695] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5694] +++ exited with 0 +++ [pid 5692] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 5689] +++ exited with 0 +++ [pid 5698] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5696] <... write resumed>) = 4 [pid 5695] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5696] close(3 [pid 5695] <... futex resumed>) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5698] <... clone resumed>, parent_tid=[5699], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5699 [pid 5696] <... close resumed>) = 0 [pid 5695] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] exit_group(0 [pid 5698] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = ? [pid 5691] <... exit_group resumed>) = ? [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5698] <... futex resumed>) = 0 [pid 5695] +++ exited with 0 +++ [pid 5004] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5000] close(3 [pid 5004] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5697] <... write resumed>) = 262144 [pid 5696] <... futex resumed>) = 0 [pid 5691] +++ exited with 0 +++ [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5700 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5701 [pid 5697] munmap(0x7fc4e5d63000, 262144 [pid 5696] <... mmap resumed>) = 0x7fc4ee163000 [pid 5696] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5696] <... mprotect resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] close(3) = 0 [pid 5696] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5697] <... munmap resumed>) = 0 [pid 5697] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5696] <... clone resumed>, parent_tid=[5702], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5702 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5703 [pid 5697] <... openat resumed>) = 4 [pid 5696] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] ioctl(4, LOOP_SET_FD, 3 [pid 5696] <... futex resumed>) = 0 [pid 5697] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5699 attached [pid 5699] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5699] memfd_create("syzkaller", 0 [pid 5697] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5701 attached ./strace-static-x86_64: Process 5702 attached [pid 5702] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5697] <... ioctl resumed>) = 0 [pid 5701] set_robust_list(0x5555563db5e0, 24 [pid 5699] <... memfd_create resumed>) = 3 [pid 5702] memfd_create("syzkaller", 0 [pid 5699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5701] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5703 attached ./strace-static-x86_64: Process 5700 attached [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] <... memfd_create resumed>) = 3 [pid 5699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5703] set_robust_list(0x5555563db5e0, 24 [pid 5697] ioctl(4, LOOP_SET_FD, 3 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5700] set_robust_list(0x5555563db5e0, 24 [pid 5697] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5701] <... prctl resumed>) = 0 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5697] close(4 [pid 5703] <... prctl resumed>) = 0 [pid 5701] setpgid(0, 0 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5697] <... close resumed>) = 0 [pid 5701] <... setpgid resumed>) = 0 [pid 5703] setpgid(0, 0 [pid 5702] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] <... prctl resumed>) = 0 [pid 5697] close(3 [pid 5703] <... setpgid resumed>) = 0 [pid 5701] <... openat resumed>) = 3 [pid 5700] setpgid(0, 0 [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5701] write(3, "1000", 4 [pid 5700] <... setpgid resumed>) = 0 [pid 5699] <... write resumed>) = 262144 [pid 5697] <... close resumed>) = 0 [pid 5703] <... openat resumed>) = 3 [pid 5701] <... write resumed>) = 4 [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5697] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] close(3 [pid 5703] write(3, "1000", 4 [pid 5702] <... write resumed>) = 262144 [pid 5701] <... close resumed>) = 0 [pid 5700] <... openat resumed>) = 3 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... write resumed>) = 4 [pid 5700] write(3, "1000", 4 [pid 5697] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5699] munmap(0x7fc4e5d63000, 262144 [pid 5703] close(3 [pid 5702] munmap(0x7fc4e5d63000, 262144 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5700] <... write resumed>) = 4 [pid 5699] <... munmap resumed>) = 0 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... munmap resumed>) = 0 [pid 5701] <... mmap resumed>) = 0x7fc4ee163000 [pid 5699] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5701] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5700] close(3 [pid 5699] <... openat resumed>) = 4 [pid 5697] fspick(AT_FDCWD, ".", 0 [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... futex resumed>) = 0 [pid 5702] <... openat resumed>) = 4 [pid 5701] <... mprotect resumed>) = 0 [pid 5700] <... close resumed>) = 0 [pid 5699] ioctl(4, LOOP_SET_FD, 3 [pid 5697] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] ioctl(4, LOOP_SET_FD, 3 [pid 5701] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5697] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... mmap resumed>) = 0x7fc4ee163000 [pid 5702] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5700] <... futex resumed>) = 0 [pid 5699] ioctl(4, LOOP_CLR_FD [pid 5703] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5702] ioctl(4, LOOP_CLR_FD [pid 5701] <... clone resumed>, parent_tid=[5704], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5704 [pid 5699] <... ioctl resumed>) = 0 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5702] <... ioctl resumed>) = 0 [pid 5701] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5701] <... futex resumed>) = 0 [pid 5703] <... mprotect resumed>) = 0 [pid 5697] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] <... mmap resumed>) = 0x7fc4ee163000 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5703] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5697] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5700] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... mprotect resumed>) = 0 [pid 5697] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5703] <... clone resumed>, parent_tid=[5705], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5705 [pid 5700] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5697] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5702] ioctl(4, LOOP_SET_FD, 3 [pid 5700] <... clone resumed>, parent_tid=[5706], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5706 [pid 5699] ioctl(4, LOOP_SET_FD, 3 [pid 5697] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5702] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5700] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5702] close(4 [pid 5700] <... futex resumed>) = 0 [pid 5699] close(4 [pid 5697] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... close resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5699] <... close resumed>) = 0 [pid 5702] close(3 [pid 5699] close(3 [pid 5697] <... openat resumed>) = 3 [pid 5702] <... close resumed>) = 0 [pid 5699] <... close resumed>) = 0 [pid 5697] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5704 attached [pid 5702] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5697] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] <... futex resumed>) = 0 [pid 5693] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] set_robust_list(0x7fc4ee1839e0, 24 [pid 5702] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5696] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... futex resumed>) = 0 [pid 5697] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5696] <... futex resumed>) = 0 [pid 5693] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] memfd_create("syzkaller", 0 [pid 5702] fspick(AT_FDCWD, ".", 0 [pid 5699] fspick(AT_FDCWD, ".", 0 [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... memfd_create resumed>) = 3 [pid 5702] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5699] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5697] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5702] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5704] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5702] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5697] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] <... futex resumed>) = 0 [pid 5693] exit_group(0./strace-static-x86_64: Process 5706 attached [pid 5704] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5702] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = ? [pid 5696] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5705 attached [pid 5706] set_robust_list(0x7fc4ee1839e0, 24 [pid 5704] <... write resumed>) = 262144 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... futex resumed>) = 0 [pid 5697] +++ exited with 0 +++ [pid 5696] <... futex resumed>) = 0 [pid 5704] munmap(0x7fc4e5d63000, 262144 [pid 5702] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5699] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... munmap resumed>) = 0 [pid 5702] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5699] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5693] +++ exited with 0 +++ [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] set_robust_list(0x7fc4ee1839e0, 24 [pid 5704] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5702] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... openat resumed>) = 4 [pid 5702] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5702] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5704] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5704] ioctl(4, LOOP_CLR_FD [pid 5702] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5699] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5706] memfd_create("syzkaller", 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] <... ioctl resumed>) = 0 [pid 5702] <... openat resumed>) = 3 [pid 5699] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 [pid 5702] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... memfd_create resumed>) = 3 [pid 5001] close(3 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5705] memfd_create("syzkaller", 0 [pid 5702] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5706] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5702] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5702] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5699] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5698] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5702] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5699] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5704] close(4 [pid 5702] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5707 [pid 5704] <... close resumed>) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5704] close(3 [pid 5702] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] exit_group(0 [pid 5705] <... memfd_create resumed>) = 3 [pid 5696] exit_group(0 [pid 5706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5704] <... close resumed>) = 0 [pid 5702] <... futex resumed>) = ? [pid 5699] <... futex resumed>) = ? [pid 5698] <... exit_group resumed>) = ? [pid 5696] <... exit_group resumed>) = ? [pid 5706] <... write resumed>) = 262144 [pid 5705] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5704] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] +++ exited with 0 +++ [pid 5699] +++ exited with 0 +++ [pid 5698] +++ exited with 0 +++ [pid 5696] +++ exited with 0 +++ [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5704] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5704] fspick(AT_FDCWD, ".", 0 [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5704] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5704] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5707 attached [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5003] close(3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5707] set_robust_list(0x5555563db5e0, 24 [pid 5706] munmap(0x7fc4e5d63000, 262144 [pid 5705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5704] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5706] <... munmap resumed>) = 0 [pid 5704] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5707] <... prctl resumed>) = 0 [pid 5706] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5704] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5708 [pid 4999] <... openat resumed>) = 3 [pid 5707] setpgid(0, 0 [pid 5706] <... openat resumed>) = 4 [pid 5705] <... write resumed>) = 262144 [pid 5704] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5707] <... setpgid resumed>) = 0 [pid 5706] ioctl(4, LOOP_SET_FD, 3 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5706] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5705] munmap(0x7fc4e5d63000, 262144 [pid 5704] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5707] <... openat resumed>) = 3 [pid 5706] ioctl(4, LOOP_CLR_FD [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5707] write(3, "1000", 4 [pid 5706] <... ioctl resumed>) = 0 [pid 5705] <... munmap resumed>) = 0 [pid 5704] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5707] <... write resumed>) = 4 [pid 5705] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5704] <... openat resumed>) = 3 [pid 5707] close(3 [pid 5704] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5709 [pid 5707] <... close resumed>) = 0 [pid 5705] <... openat resumed>) = 4 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5704] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5705] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5704] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5701] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] <... mmap resumed>) = 0x7fc4ee163000 [pid 5706] ioctl(4, LOOP_SET_FD, 3 [pid 5704] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5707] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5706] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5705] ioctl(4, LOOP_CLR_FD [pid 5704] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... mprotect resumed>) = 0 [pid 5706] close(4 [pid 5704] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5707] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5706] <... close resumed>) = 0 [pid 5705] <... ioctl resumed>) = 0 [pid 5704] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] exit_group(0 [pid 5706] close(3 [pid 5704] <... futex resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5707] <... clone resumed>, parent_tid=[5710], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5710 [pid 5706] <... close resumed>) = 0 [pid 5704] +++ exited with 0 +++ [pid 5701] +++ exited with 0 +++ [pid 5707] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5707] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5700] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5708 attached [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5700] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5709 attached [pid 5708] set_robust_list(0x5555563db5e0, 24 [pid 5706] fspick(AT_FDCWD, ".", 0 [pid 5705] close(4 [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5706] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... close resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5709] set_robust_list(0x5555563db5e0, 24 [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5706] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 5708] <... prctl resumed>) = 0 [pid 5706] <... futex resumed>) = 1 [pid 5700] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5708] setpgid(0, 0 [pid 5706] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5700] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5708] <... setpgid resumed>) = 0 [pid 5706] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5700] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5709] <... set_robust_list resumed>) = 0 [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5706] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... close resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5708] <... openat resumed>) = 3 [pid 5706] <... futex resumed>) = 0 [pid 5705] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5711 [pid 5708] write(3, "1000", 4 [pid 5706] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5710 attached [pid 5708] <... write resumed>) = 4 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5710] set_robust_list(0x7fc4ee1839e0, 24 [pid 5708] close(3 [pid 5706] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] setpgid(0, 0 [pid 5708] <... close resumed>) = 0 [pid 5710] memfd_create("syzkaller", 0 [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... openat resumed>) = 3 [pid 5709] <... setpgid resumed>) = 0 [pid 5705] fspick(AT_FDCWD, ".", 0 [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... memfd_create resumed>) = 3 [pid 5708] <... futex resumed>) = 0 [pid 5706] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5706] <... futex resumed>) = 1 [pid 5705] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5710] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] <... mmap resumed>) = 0x7fc4ee163000 [pid 5706] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5708] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5709] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5711 attached [pid 5709] write(3, "1000", 4 [pid 5708] <... mprotect resumed>) = 0 [pid 5706] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5700] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... write resumed>) = 262144 [pid 5709] <... write resumed>) = 4 [pid 5708] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5706] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5705] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] munmap(0x7fc4e5d63000, 262144 [pid 5709] close(3 [pid 5706] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5711] set_robust_list(0x5555563db5e0, 24 [pid 5709] <... close resumed>) = 0 [pid 5708] <... clone resumed>, parent_tid=[5712], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5712 [pid 5706] <... futex resumed>) = 1 [pid 5705] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] <... munmap resumed>) = 0 [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5700] exit_group(0 [pid 5710] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5706] <... futex resumed>) = ? [pid 5705] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... exit_group resumed>) = ? [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] <... openat resumed>) = 4 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] +++ exited with 0 +++ [pid 5703] <... futex resumed>) = 0 [pid 5710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5710] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5712 attached [pid 5712] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5712] memfd_create("syzkaller", 0 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] +++ exited with 0 +++ [pid 5709] <... mmap resumed>) = 0x7fc4ee163000 [pid 5705] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5712] <... memfd_create resumed>) = 3 [pid 5709] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5705] <... openat resumed>) = 3 [pid 5705] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5709] <... mprotect resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5710] ioctl(4, LOOP_SET_FD, 3 [pid 5709] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5705] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5711] <... prctl resumed>) = 0 [pid 5710] close(4 [pid 5709] <... clone resumed>, parent_tid=[5713], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5713 [pid 5705] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5703] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5710] <... close resumed>) = 0 [pid 5709] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5710] close(3 [pid 5709] <... futex resumed>) = 0 [pid 5705] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5711] setpgid(0, 0 [pid 5710] <... close resumed>) = 0 [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5705] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5712] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5711] <... setpgid resumed>) = 0 [pid 5710] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] exit_group(0 [pid 5004] <... close resumed>) = 0 [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = ? [pid 5703] <... exit_group resumed>) = ? [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5713 attached [pid 5710] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] +++ exited with 0 +++ [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5714 [pid 5710] fspick(AT_FDCWD, ".", 0 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] +++ exited with 0 +++ [pid 5713] set_robust_list(0x7fc4ee1839e0, 24 [pid 5712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5711] <... openat resumed>) = 3 [pid 5710] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5713] <... set_robust_list resumed>) = 0 [pid 5712] <... write resumed>) = 262144 [pid 5711] write(3, "1000", 4 [pid 5710] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5713] memfd_create("syzkaller", 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5711] <... write resumed>) = 4 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5710] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... memfd_create resumed>) = 3 [pid 5711] close(3 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5714 attached [pid 5713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5712] munmap(0x7fc4e5d63000, 262144 [pid 5711] <... close resumed>) = 0 [pid 5710] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5714] set_robust_list(0x5555563db5e0, 24 [pid 5713] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5712] <... munmap resumed>) = 0 [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 3 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5712] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5711] <... futex resumed>) = 0 [pid 5710] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5713] <... write resumed>) = 262144 [pid 5712] <... openat resumed>) = 4 [pid 5711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5714] <... prctl resumed>) = 0 [pid 5713] munmap(0x7fc4e5d63000, 262144 [pid 5712] ioctl(4, LOOP_SET_FD, 3 [pid 5711] <... mmap resumed>) = 0x7fc4ee163000 [pid 5710] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] setpgid(0, 0 [pid 5713] <... munmap resumed>) = 0 [pid 5712] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5711] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5714] <... setpgid resumed>) = 0 [pid 5713] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5712] ioctl(4, LOOP_CLR_FD [pid 5711] <... mprotect resumed>) = 0 [pid 5710] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5713] <... openat resumed>) = 4 [pid 5712] <... ioctl resumed>) = 0 [pid 5711] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5714] <... openat resumed>) = 3 [pid 5713] ioctl(4, LOOP_SET_FD, 3 [pid 5710] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5714] write(3, "1000", 4 [pid 5713] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5711] <... clone resumed>, parent_tid=[5715], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5715 [pid 5710] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5714] <... write resumed>) = 4 [pid 5713] ioctl(4, LOOP_CLR_FD [pid 5711] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5713] <... ioctl resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5714] close(3 [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5710] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5707] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... close resumed>) = 0 [pid 5712] ioctl(4, LOOP_SET_FD, 3 [pid 5710] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5707] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5716 [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5710] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 [pid 5712] close(4 [pid 5710] <... futex resumed>) = 0 [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] ioctl(4, LOOP_SET_FD, 3 [pid 5712] <... close resumed>) = 0 [pid 5710] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] exit_group(0 [pid 5714] <... mmap resumed>) = 0x7fc4ee163000 [pid 5713] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5712] close(3 [pid 5707] <... exit_group resumed>) = ? [pid 5710] <... futex resumed>) = ? [pid 5714] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5713] close(4) = 0 [pid 5713] close(3) = 0 [pid 5712] <... close resumed>) = 0 [pid 5713] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5709] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5716 attached [pid 5713] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] +++ exited with 0 +++ [pid 5709] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] +++ exited with 0 +++ [pid 5714] <... mprotect resumed>) = 0 [pid 5712] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] set_robust_list(0x5555563db5e0, 24 [pid 5714] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5716] <... set_robust_list resumed>) = 0 [pid 5713] fspick(AT_FDCWD, ".", 0 [pid 5712] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5715 attached [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5714] <... clone resumed>, parent_tid=[5717], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5717 [pid 5713] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5716] <... prctl resumed>) = 0 [pid 5715] set_robust_list(0x7fc4ee1839e0, 24 [pid 5714] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] fspick(AT_FDCWD, ".", 0 [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] setpgid(0, 0 [pid 5715] <... set_robust_list resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 1 [pid 5712] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... futex resumed>) = 0 [pid 5716] <... setpgid resumed>) = 0 [pid 5715] memfd_create("syzkaller", 0 [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5713] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] <... memfd_create resumed>) = 3 [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5716] <... openat resumed>) = 3 [pid 5715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5713] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5712] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5716] write(3, "1000", 4 [pid 5715] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5713] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5717 attached [pid 5716] <... write resumed>) = 4 [pid 5715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5713] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5717] set_robust_list(0x7fc4ee1839e0, 24 [pid 5716] close(3 [pid 5715] <... write resumed>) = 262144 [pid 5713] <... futex resumed>) = 1 [pid 5712] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... close resumed>) = 0 [pid 5715] munmap(0x7fc4e5d63000, 262144 [pid 5713] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5717] memfd_create("syzkaller", 0 [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... munmap resumed>) = 0 [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5717] <... memfd_create resumed>) = 3 [pid 5716] <... futex resumed>) = 0 [pid 5715] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5713] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5712] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5718 [pid 5717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5715] <... openat resumed>) = 4 [pid 5713] <... openat resumed>) = 3 [pid 5716] <... mmap resumed>) = 0x7fc4ee163000 [pid 5715] ioctl(4, LOOP_SET_FD, 3 [pid 5713] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5715] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5713] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5716] <... mprotect resumed>) = 0 [pid 5715] ioctl(4, LOOP_CLR_FD [pid 5713] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5715] <... ioctl resumed>) = 0 [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5713] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5709] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... clone resumed>, parent_tid=[5719], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5719 [pid 5713] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5716] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5713] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] exit_group(0 [pid 5713] <... futex resumed>) = ? [pid 5709] <... exit_group resumed>) = ? [pid 5715] ioctl(4, LOOP_SET_FD, 3 [pid 5713] +++ exited with 0 +++ [pid 5709] +++ exited with 0 +++ [pid 5715] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5715] close(4) = 0 [pid 5715] close(3) = 0 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 5717] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5715] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5715] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5715] fspick(AT_FDCWD, ".", 0 [pid 5711] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... futex resumed>) = 0 [pid 5715] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5711] <... futex resumed>) = 0 [pid 5715] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5717] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5715] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5712] <... openat resumed>) = 3 [pid 5711] <... futex resumed>) = 0 [pid 5715] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5715] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5712] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... write resumed>) = 262144 [pid 5715] <... openat resumed>) = 3 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5717] munmap(0x7fc4e5d63000, 262144 [pid 5715] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5708] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... futex resumed>) = 1 [pid 5712] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5711] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5719 attached [pid 5715] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5719] set_robust_list(0x7fc4ee1839e0, 24 [pid 5717] <... munmap resumed>) = 0 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5717] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5715] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5712] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] exit_group(0 [pid 4999] <... ioctl resumed>) = 0 [pid 5719] memfd_create("syzkaller", 0 [pid 5717] <... openat resumed>) = 4 [pid 5715] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5712] <... futex resumed>) = ? [pid 5708] <... exit_group resumed>) = ? [pid 4999] close(3 [pid 5719] <... memfd_create resumed>) = 3 [pid 5717] ioctl(4, LOOP_SET_FD, 3 [pid 5715] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] +++ exited with 0 +++ [pid 5719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5715] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5719] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5715] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] exit_group(0 [pid 5719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5717] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5715] <... futex resumed>) = ? [pid 5711] <... exit_group resumed>) = ? [pid 5708] +++ exited with 0 +++ [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5718 attached [pid 5717] ioctl(4, LOOP_CLR_FD [pid 5715] +++ exited with 0 +++ [pid 5711] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5719] <... write resumed>) = 262144 [pid 5718] set_robust_list(0x5555563db5e0, 24 [pid 5717] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5711, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5719] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5718] <... set_robust_list resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5720 [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5718] setpgid(0, 0) = 0 [pid 5717] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5717] close(4 [pid 5719] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5717] <... close resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5717] close(3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5719] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 3 [pid 5719] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5719] ioctl(4, LOOP_CLR_FD) = 0 [pid 5717] <... close resumed>) = 0 [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5717] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 5717] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5717] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5717] fspick(AT_FDCWD, ".", 0 [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5718] <... openat resumed>) = 3 [pid 5000] close(3./strace-static-x86_64: Process 5720 attached [pid 5718] write(3, "1000", 4 [pid 5717] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5720] set_robust_list(0x5555563db5e0, 24 [pid 5000] <... close resumed>) = 0 [pid 5720] <... set_robust_list resumed>) = 0 [pid 5719] ioctl(4, LOOP_SET_FD, 3 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5719] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5718] <... write resumed>) = 4 [pid 5717] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5720] <... prctl resumed>) = 0 [pid 5719] close(4 [pid 5718] close(3 [pid 5717] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5721 [pid 5720] setpgid(0, 0 [pid 5719] <... close resumed>) = 0 [pid 5720] <... setpgid resumed>) = 0 [pid 5719] close(3 [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5719] <... close resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5717] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... openat resumed>) = 3 [pid 5719] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5720] write(3, "1000", 4 [pid 5719] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5717] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5716] <... futex resumed>) = 0 [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5722 [pid 5720] <... write resumed>) = 4 [pid 5719] fspick(AT_FDCWD, ".", 0 [pid 5718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5717] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5716] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5722 attached [pid 5720] close(3 [pid 5719] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5718] <... mmap resumed>) = 0x7fc4ee163000 [pid 5717] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5721 attached [pid 5720] <... close resumed>) = 0 [pid 5719] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] set_robust_list(0x5555563db5e0, 24 [pid 5718] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5717] <... futex resumed>) = 1 [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5721] set_robust_list(0x5555563db5e0, 24 [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = 0 [pid 5718] <... mprotect resumed>) = 0 [pid 5717] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5721] <... set_robust_list resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5719] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 0 [pid 5722] <... prctl resumed>) = 0 [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5716] <... futex resumed>) = 0 [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5722] setpgid(0, 0 [pid 5721] <... prctl resumed>) = 0 [pid 5720] <... mmap resumed>) = 0x7fc4ee163000 [pid 5719] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5718] <... clone resumed>, parent_tid=[5723], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5723 [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5722] <... setpgid resumed>) = 0 [pid 5721] setpgid(0, 0 [pid 5720] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5719] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5718] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... openat resumed>) = 3 [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5721] <... setpgid resumed>) = 0 [pid 5720] <... mprotect resumed>) = 0 [pid 5719] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = 0 [pid 5717] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... openat resumed>) = 3 [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5720] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5719] <... futex resumed>) = 1 [pid 5716] <... futex resumed>) = 0 [pid 5722] write(3, "1000", 4 [pid 5721] <... openat resumed>) = 3 [pid 5719] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5717] <... futex resumed>) = 1 [pid 5716] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 0 [pid 5722] <... write resumed>) = 4 [pid 5721] write(3, "1000", 4 [pid 5720] <... clone resumed>, parent_tid=[5724], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5724 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] <... futex resumed>) = 0 [pid 5714] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] close(3 [pid 5721] <... write resumed>) = 4 [pid 5720] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5723 attached [pid 5722] <... close resumed>) = 0 [pid 5721] close(3 [pid 5720] <... futex resumed>) = 0 [pid 5719] <... openat resumed>) = 3 [pid 5717] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5714] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] set_robust_list(0x7fc4ee1839e0, 24 [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... close resumed>) = 0 [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5719] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5723] <... set_robust_list resumed>) = 0 [pid 5722] <... futex resumed>) = 0 [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = 1 [pid 5717] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5724 attached [pid 5723] memfd_create("syzkaller", 0 [pid 5722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5721] <... futex resumed>) = 0 [pid 5719] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] <... futex resumed>) = 1 [pid 5716] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 0 [pid 5724] set_robust_list(0x7fc4ee1839e0, 24 [pid 5723] <... memfd_create resumed>) = 3 [pid 5722] <... mmap resumed>) = 0x7fc4ee163000 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] <... futex resumed>) = 0 [pid 5714] exit_group(0 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5722] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5721] <... mmap resumed>) = 0x7fc4ee163000 [pid 5719] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5717] <... futex resumed>) = ? [pid 5716] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... exit_group resumed>) = ? [pid 5724] memfd_create("syzkaller", 0 [pid 5723] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5722] <... mprotect resumed>) = 0 [pid 5721] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5719] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5717] +++ exited with 0 +++ [pid 5724] <... memfd_create resumed>) = 3 [pid 5723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5722] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5721] <... mprotect resumed>) = 0 [pid 5719] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] +++ exited with 0 +++ [pid 5724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5723] <... write resumed>) = 262144 [pid 5721] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5719] <... futex resumed>) = 1 [pid 5716] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5724] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5723] munmap(0x7fc4e5d63000, 262144 [pid 5722] <... clone resumed>, parent_tid=[5725], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5725 [pid 5719] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5716] exit_group(0./strace-static-x86_64: Process 5726 attached ./strace-static-x86_64: Process 5725 attached [pid 5724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5723] <... munmap resumed>) = 0 [pid 5722] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... clone resumed>, parent_tid=[5726], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5726 [pid 5719] <... futex resumed>) = ? [pid 5716] <... exit_group resumed>) = ? [pid 5726] set_robust_list(0x7fc4ee1839e0, 24 [pid 5725] set_robust_list(0x7fc4ee1839e0, 24 [pid 5724] <... write resumed>) = 262144 [pid 5723] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5722] <... futex resumed>) = 0 [pid 5721] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] +++ exited with 0 +++ [pid 5716] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5723] <... openat resumed>) = 4 [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5721] <... futex resumed>) = 0 [pid 5724] munmap(0x7fc4e5d63000, 262144 [pid 5723] ioctl(4, LOOP_SET_FD, 3 [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5724] <... munmap resumed>) = 0 [pid 5723] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5723] ioctl(4, LOOP_CLR_FD) = 0 [pid 5724] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5724] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5724] ioctl(4, LOOP_CLR_FD) = 0 [pid 5723] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5723] close(4) = 0 [pid 5723] close(3) = 0 [pid 5723] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] ioctl(4, LOOP_SET_FD, 3 [pid 5723] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5724] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5723] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5724] close(4 [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5718] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5725] memfd_create("syzkaller", 0 [pid 5724] <... close resumed>) = 0 [pid 5723] fspick(AT_FDCWD, ".", 0 [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5726] memfd_create("syzkaller", 0 [pid 5004] close(3 [pid 5725] <... memfd_create resumed>) = 3 [pid 5726] <... memfd_create resumed>) = 3 [pid 5725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5724] close(3 [pid 5723] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... close resumed>) = 0 [pid 5726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5725] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5726] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5724] <... close resumed>) = 0 [pid 5723] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5725] <... write resumed>) = 262144 [pid 5724] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 1 [pid 5718] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5727 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5726] <... write resumed>) = 262144 [pid 5725] munmap(0x7fc4e5d63000, 262144 [pid 5724] <... futex resumed>) = 1 [pid 5723] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5720] <... futex resumed>) = 0 [pid 5718] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5726] munmap(0x7fc4e5d63000, 262144 [pid 5725] <... munmap resumed>) = 0 [pid 5724] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5720] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = 0 [pid 5002] close(3./strace-static-x86_64: Process 5727 attached [pid 5726] <... munmap resumed>) = 0 [pid 5725] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = 0 [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5726] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5725] <... openat resumed>) = 4 [pid 5724] fspick(AT_FDCWD, ".", 0 [pid 5723] <... futex resumed>) = 0 [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] set_robust_list(0x5555563db5e0, 24 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] <... openat resumed>) = 4 [pid 5725] ioctl(4, LOOP_SET_FD, 3 [pid 5724] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5723] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5718] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] ioctl(4, LOOP_SET_FD, 3 [pid 5725] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5718] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5728 [pid 5724] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5725] ioctl(4, LOOP_CLR_FD [pid 5723] <... openat resumed>) = 3 [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] <... futex resumed>) = 1 [pid 5720] <... futex resumed>) = 0 [pid 5726] ioctl(4, LOOP_CLR_FD [pid 5725] <... ioctl resumed>) = 0 [pid 5724] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] <... ioctl resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] <... futex resumed>) = 1 [pid 5720] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = 0 [pid 5727] <... prctl resumed>) = 0 [pid 5727] setpgid(0, 0 [pid 5724] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5723] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5720] <... futex resumed>) = 0 [pid 5718] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5728 attached [pid 5724] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5718] <... futex resumed>) = 0 [pid 5724] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... setpgid resumed>) = 0 [pid 5725] ioctl(4, LOOP_SET_FD, 3 [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] ioctl(4, LOOP_SET_FD, 3 [pid 5725] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5724] <... futex resumed>) = 1 [pid 5723] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5725] close(4 [pid 5724] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] exit_group(0 [pid 5728] set_robust_list(0x5555563db5e0, 24 [pid 5727] <... openat resumed>) = 3 [pid 5726] close(4 [pid 5725] <... close resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] <... futex resumed>) = ? [pid 5720] <... futex resumed>) = 0 [pid 5718] <... exit_group resumed>) = ? [pid 5728] <... set_robust_list resumed>) = 0 [pid 5727] write(3, "1000", 4 [pid 5726] <... close resumed>) = 0 [pid 5725] close(3 [pid 5724] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5723] +++ exited with 0 +++ [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] close(3 [pid 5725] <... close resumed>) = 0 [pid 5718] +++ exited with 0 +++ [pid 5724] <... openat resumed>) = 3 [pid 5728] <... prctl resumed>) = 0 [pid 5727] <... write resumed>) = 4 [pid 5726] <... close resumed>) = 0 [pid 5725] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5728] setpgid(0, 0 [pid 5727] close(3 [pid 5726] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5728] <... setpgid resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5725] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = 0 [pid 5720] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] <... close resumed>) = 0 [pid 5726] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = 0 [pid 5728] <... openat resumed>) = 3 [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] fspick(AT_FDCWD, ".", 0 [pid 5724] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] <... futex resumed>) = 0 [pid 5720] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] write(3, "1000", 4 [pid 5726] fspick(AT_FDCWD, ".", 0 [pid 5725] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5728] <... write resumed>) = 4 [pid 5726] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5725] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5728] close(3 [pid 5727] <... futex resumed>) = 0 [pid 5726] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = 1 [pid 5724] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... openat resumed>) = 3 [pid 5728] <... close resumed>) = 0 [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] <... futex resumed>) = 0 [pid 5725] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] <... futex resumed>) = 1 [pid 5722] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5720] exit_group(0 [pid 5001] <... ioctl resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5727] <... mmap resumed>) = 0x7fc4ee163000 [pid 5726] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5725] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5724] <... futex resumed>) = ? [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... exit_group resumed>) = ? [pid 5001] close(3 [pid 5728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5727] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5726] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5724] +++ exited with 0 +++ [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... mmap resumed>) = 0x7fc4ee163000 [pid 5726] <... futex resumed>) = 0 [pid 5725] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5726] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5728] <... mprotect resumed>) = 0 [pid 5725] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] +++ exited with 0 +++ [pid 5001] <... close resumed>) = 0 [pid 5728] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5727] <... mprotect resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5727] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5726] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5725] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5728] <... clone resumed>, parent_tid=[5729], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5729 [pid 5726] <... openat resumed>) = 3 [pid 5725] <... openat resumed>) = 3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5728] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... clone resumed>, parent_tid=[5731], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5731 [pid 5726] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5730 [pid 5728] <... futex resumed>) = 0 [pid 5727] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 1 [pid 5725] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5727] <... futex resumed>) = 0 [pid 5726] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5726] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5725] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5722] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5730 attached [pid 5726] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5725] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... ioctl resumed>) = 0 [pid 5730] set_robust_list(0x5555563db5e0, 24 [pid 5726] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5725] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] exit_group(0 [pid 5721] exit_group(0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5730] <... prctl resumed>) = 0 [pid 5726] <... futex resumed>) = ? [pid 5725] <... futex resumed>) = ? [pid 5722] <... exit_group resumed>) = ? [pid 5721] <... exit_group resumed>) = ? [pid 5730] setpgid(0, 0 [pid 5726] +++ exited with 0 +++ [pid 5725] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5732 [pid 5730] <... setpgid resumed>) = 0 [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5731 attached [pid 5730] <... openat resumed>) = 3 [pid 5721] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5730] write(3, "1000", 4 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... openat resumed>) = 3 [pid 5730] <... write resumed>) = 4 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5730] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 5730] <... close resumed>) = 0 [pid 5000] close(3 [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] set_robust_list(0x7fc4ee1839e0, 24 [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5729 attached [pid 5731] <... set_robust_list resumed>) = 0 [pid 5730] <... mmap resumed>) = 0x7fc4ee163000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5733 [pid 5730] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5731] memfd_create("syzkaller", 0 [pid 5730] <... mprotect resumed>) = 0 [pid 5729] set_robust_list(0x7fc4ee1839e0, 24 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5733 attached [pid 5731] <... memfd_create resumed>) = 3 [pid 5730] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5729] <... set_robust_list resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5730] <... clone resumed>, parent_tid=[5734], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5734 [pid 5729] memfd_create("syzkaller", 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5731] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5730] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... memfd_create resumed>) = 3 [pid 5003] close(3./strace-static-x86_64: Process 5732 attached [pid 5730] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5732] set_robust_list(0x5555563db5e0, 24 [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5732] <... set_robust_list resumed>) = 0 [pid 5731] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5733] set_robust_list(0x5555563db5e0, 24 [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5735 [pid 5729] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5732] <... prctl resumed>) = 0 [pid 5732] setpgid(0, 0) = 0 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5731] <... write resumed>) = 262144 [pid 5732] write(3, "1000", 4) = 4 [pid 5732] close(3) = 0 [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5732] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5732] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5733] <... set_robust_list resumed>) = 0 [pid 5732] <... clone resumed>, parent_tid=[5736], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5736 [pid 5731] munmap(0x7fc4e5d63000, 262144 [pid 5732] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5734 attached [pid 5734] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5734] memfd_create("syzkaller", 0) = 3 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5729] <... write resumed>) = 262144 [pid 5733] setpgid(0, 0 [pid 5731] <... munmap resumed>) = 0 [pid 5729] munmap(0x7fc4e5d63000, 262144 [pid 5733] <... setpgid resumed>) = 0 [pid 5734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5729] <... munmap resumed>) = 0 [pid 5733] <... openat resumed>) = 3 [pid 5733] write(3, "1000", 4 [pid 5731] <... openat resumed>) = 4 [pid 5729] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5733] <... write resumed>) = 4 [pid 5731] ioctl(4, LOOP_SET_FD, 3 [pid 5729] <... openat resumed>) = 4 [pid 5733] close(3 [pid 5731] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5729] ioctl(4, LOOP_SET_FD, 3 [pid 5733] <... close resumed>) = 0 [pid 5731] ioctl(4, LOOP_CLR_FD [pid 5729] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... ioctl resumed>) = 0 [pid 5729] ioctl(4, LOOP_CLR_FD [pid 5733] <... futex resumed>) = 0 [pid 5729] <... ioctl resumed>) = 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5736 attached [pid 5736] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5736] memfd_create("syzkaller", 0 [pid 5733] <... mmap resumed>) = 0x7fc4ee163000 [pid 5736] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5735 attached [pid 5736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5734] <... write resumed>) = 262144 [pid 5733] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5736] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5734] munmap(0x7fc4e5d63000, 262144 [pid 5733] <... mprotect resumed>) = 0 [pid 5731] ioctl(4, LOOP_SET_FD, 3 [pid 5735] set_robust_list(0x5555563db5e0, 24 [pid 5736] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5734] <... munmap resumed>) = 0 [pid 5733] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5731] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5734] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5731] close(4 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5733] <... clone resumed>, parent_tid=[5737], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5737 [pid 5729] ioctl(4, LOOP_SET_FD, 3 [pid 5734] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5734] ioctl(4, LOOP_CLR_FD) = 0 [pid 5733] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... close resumed>) = 0 [pid 5729] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5731] close(3 [pid 5729] close(4 [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5736] <... write resumed>) = 262144 [pid 5731] <... close resumed>) = 0 [pid 5735] setpgid(0, 0 [pid 5729] <... close resumed>) = 0 [pid 5735] <... setpgid resumed>) = 0 [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5731] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] close(3 [pid 5734] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5734] close(4) = 0 [pid 5734] close(3 [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5734] <... close resumed>) = 0 [pid 5731] <... futex resumed>) = 1 [pid 5729] <... close resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5736] munmap(0x7fc4e5d63000, 262144 [pid 5734] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] fspick(AT_FDCWD, ".", 0 [pid 5729] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... munmap resumed>) = 0 [pid 5735] <... openat resumed>) = 3 [pid 5734] <... futex resumed>) = 1 [pid 5731] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5736] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5734] fspick(AT_FDCWD, ".", 0 [pid 5731] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] fspick(AT_FDCWD, ".", 0 [pid 5728] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... openat resumed>) = 4 [pid 5735] write(3, "1000", 4 [pid 5734] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5731] <... futex resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5729] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5728] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5736] ioctl(4, LOOP_SET_FD, 3 [pid 5734] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5734] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] <... futex resumed>) = 0 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] <... futex resumed>) = 0 [pid 5736] ioctl(4, LOOP_CLR_FD [pid 5735] <... write resumed>) = 4 [pid 5734] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5730] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... ioctl resumed>) = 0 [pid 5735] close(3 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... futex resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 5734] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5731] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5731] <... futex resumed>) = 1 [pid 5729] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5727] <... futex resumed>) = 0 [pid 5735] <... futex resumed>) = 0 [pid 5734] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5737 attached [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5736] ioctl(4, LOOP_SET_FD, 3 [pid 5734] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5730] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... mmap resumed>) = 0x7fc4ee163000 [pid 5736] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5736] close(4 [pid 5735] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5734] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5731] <... openat resumed>) = 3 [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] set_robust_list(0x7fc4ee1839e0, 24 [pid 5736] <... close resumed>) = 0 [pid 5735] <... mprotect resumed>) = 0 [pid 5734] <... openat resumed>) = 3 [pid 5731] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5736] close(3 [pid 5735] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5734] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] <... close resumed>) = 0 [pid 5734] <... futex resumed>) = 1 [pid 5731] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] <... futex resumed>) = 0 [pid 5729] <... openat resumed>) = 3 [pid 5727] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... clone resumed>, parent_tid=[5738], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5738 [pid 5734] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... futex resumed>) = 0 [pid 5736] <... futex resumed>) = 1 [pid 5735] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5731] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5730] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5727] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... futex resumed>) = 0 [pid 5734] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5732] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5730] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] memfd_create("syzkaller", 0 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5732] <... futex resumed>) = 0 [pid 5731] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... futex resumed>) = 0 [pid 5737] <... memfd_create resumed>) = 3 [pid 5736] fspick(AT_FDCWD, ".", 0 [pid 5734] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... futex resumed>) = 1 [pid 5729] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5728] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] <... futex resumed>) = 0 [pid 5737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5736] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5734] <... futex resumed>) = 1 [pid 5731] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5730] <... futex resumed>) = 0 [pid 5729] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5727] exit_group(0 [pid 5737] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5736] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] <... futex resumed>) = ? [pid 5730] exit_group(0 [pid 5729] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... exit_group resumed>) = ? [pid 5736] <... futex resumed>) = 1 [pid 5734] <... futex resumed>) = ? [pid 5732] <... futex resumed>) = 0 [pid 5731] +++ exited with 0 +++ [pid 5730] <... exit_group resumed>) = ? [pid 5736] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] +++ exited with 0 +++ [pid 5732] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] +++ exited with 0 +++ [pid 5729] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5727] +++ exited with 0 +++ [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5729] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5738 attached [pid 5736] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = ? [pid 5728] <... exit_group resumed>) = ? [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5738] set_robust_list(0x7fc4ee1839e0, 24 [pid 5736] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5729] +++ exited with 0 +++ [pid 5738] <... set_robust_list resumed>) = 0 [pid 5736] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] memfd_create("syzkaller", 0 [pid 5736] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5738] <... memfd_create resumed>) = 3 [pid 5736] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5728] +++ exited with 0 +++ [pid 5738] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5736] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5737] <... write resumed>) = 262144 [pid 5736] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 3 [pid 5736] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5736] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5736] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5737] munmap(0x7fc4e5d63000, 262144 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5736] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5732] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 5737] <... munmap resumed>) = 0 [pid 5736] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5736] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5739 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... ioctl resumed>) = 0 [pid 5738] <... write resumed>) = 262144 [pid 5737] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5736] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5738] munmap(0x7fc4e5d63000, 262144 [pid 5736] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] exit_group(0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5737] <... openat resumed>) = 4 [pid 5736] <... futex resumed>) = ? [pid 5732] <... exit_group resumed>) = ? [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5738] <... munmap resumed>) = 0 [pid 5737] ioctl(4, LOOP_SET_FD, 3 [pid 5736] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5002] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5738] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... close resumed>) = 0 [pid 5738] <... openat resumed>) = 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5738] ioctl(4, LOOP_SET_FD, 3 [pid 5737] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5738] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5737] ioctl(4, LOOP_CLR_FD [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5741 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5740 [pid 4999] <... openat resumed>) = 3 [pid 5738] ioctl(4, LOOP_CLR_FD [pid 5737] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5738] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5742 ./strace-static-x86_64: Process 5739 attached [pid 5737] ioctl(4, LOOP_SET_FD, 3 [pid 5738] ioctl(4, LOOP_SET_FD, 3 [pid 5737] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5739] set_robust_list(0x5555563db5e0, 24 [pid 5738] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5737] close(4 [pid 5738] close(4 [pid 5737] <... close resumed>) = 0 [pid 5738] <... close resumed>) = 0 [pid 5737] close(3 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] close(3) = 0 [pid 5739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5737] <... close resumed>) = 0 [pid 5738] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5740 attached [pid 5739] <... prctl resumed>) = 0 [pid 5738] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5740] set_robust_list(0x5555563db5e0, 24 [pid 5739] setpgid(0, 0 [pid 5738] fspick(AT_FDCWD, ".", 0 [pid 5737] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5741 attached [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... setpgid resumed>) = 0 [pid 5738] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5741] set_robust_list(0x5555563db5e0, 24 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] fspick(AT_FDCWD, ".", 0 [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] <... prctl resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5737] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] setpgid(0, 0 [pid 5739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5742 attached [pid 5741] <... prctl resumed>) = 0 [pid 5740] <... setpgid resumed>) = 0 [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5742] set_robust_list(0x5555563db5e0, 24 [pid 5741] setpgid(0, 0 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] <... openat resumed>) = 3 [pid 5738] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5737] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] <... setpgid resumed>) = 0 [pid 5740] <... openat resumed>) = 3 [pid 5738] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5740] write(3, "1000", 4 [pid 5739] write(3, "1000", 4 [pid 5738] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... prctl resumed>) = 0 [pid 5741] <... openat resumed>) = 3 [pid 5740] <... write resumed>) = 4 [pid 5739] <... write resumed>) = 4 [pid 5738] <... futex resumed>) = 1 [pid 5737] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5735] <... futex resumed>) = 0 [pid 5742] setpgid(0, 0 [pid 5741] write(3, "1000", 4 [pid 5740] close(3 [pid 5739] close(3 [pid 5738] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... setpgid resumed>) = 0 [pid 5741] <... write resumed>) = 4 [pid 5740] <... close resumed>) = 0 [pid 5739] <... close resumed>) = 0 [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5741] close(3 [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5737] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... openat resumed>) = 3 [pid 5741] <... close resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] <... openat resumed>) = 3 [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5742] write(3, "1000", 4 [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... write resumed>) = 4 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... mmap resumed>) = 0x7fc4ee163000 [pid 5738] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5737] <... openat resumed>) = 3 [pid 5742] close(3 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5740] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5739] <... mmap resumed>) = 0x7fc4ee163000 [pid 5738] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... close resumed>) = 0 [pid 5741] <... mmap resumed>) = 0x7fc4ee163000 [pid 5740] <... mprotect resumed>) = 0 [pid 5739] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5740] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5739] <... mprotect resumed>) = 0 [pid 5738] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5737] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = 0 [pid 5741] <... mprotect resumed>) = 0 [pid 5739] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5738] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5741] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5740] <... clone resumed>, parent_tid=[5743], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5743 [pid 5738] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5733] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... mmap resumed>) = 0x7fc4ee163000 [pid 5740] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... clone resumed>, parent_tid=[5744], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5744 [pid 5738] <... futex resumed>) = 1 [pid 5737] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5735] <... futex resumed>) = 0 [pid 5742] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5741] <... clone resumed>, parent_tid=[5745], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5745 [pid 5740] <... futex resumed>) = 0 [pid 5739] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] exit_group(0 [pid 5742] <... mprotect resumed>) = 0 [pid 5741] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5739] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = ? [pid 5737] <... futex resumed>) = 1 [pid 5735] <... exit_group resumed>) = ? [pid 5733] <... futex resumed>) = 0 [pid 5742] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5741] <... futex resumed>) = 0 [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5738] +++ exited with 0 +++ [pid 5737] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5742] <... clone resumed>, parent_tid=[5746], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5746 [pid 5742] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5735] +++ exited with 0 +++ [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5733] exit_group(0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5737] <... futex resumed>) = ? [pid 5733] <... exit_group resumed>) = ? [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5737] +++ exited with 0 +++ ./strace-static-x86_64: Process 5745 attached [pid 5745] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5745] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5746 attached [pid 5746] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5733] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5003] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5000] close(3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5744 attached [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5747 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5748 [pid 5744] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5745] <... memfd_create resumed>) = 3 [pid 5745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5746] memfd_create("syzkaller", 0 [pid 5744] memfd_create("syzkaller", 0 [pid 5745] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5744] <... memfd_create resumed>) = 3 [pid 5744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5746] <... memfd_create resumed>) = 3 [pid 5746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5743 attached [pid 5744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5743] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 5747 attached [pid 5745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5744] <... write resumed>) = 262144 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5743] memfd_create("syzkaller", 0) = 3 [pid 5747] set_robust_list(0x5555563db5e0, 24 [pid 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5747] <... set_robust_list resumed>) = 0 [pid 5746] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5744] munmap(0x7fc4e5d63000, 262144 [pid 5743] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5745] <... write resumed>) = 262144 [pid 5747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5746] <... write resumed>) = 262144 [pid 5744] <... munmap resumed>) = 0 [pid 5747] <... prctl resumed>) = 0 [pid 5745] munmap(0x7fc4e5d63000, 262144 [pid 5747] setpgid(0, 0 [pid 5744] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5747] <... setpgid resumed>) = 0 [pid 5744] <... openat resumed>) = 4 [pid 5746] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 5748 attached [pid 5747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5746] <... munmap resumed>) = 0 [pid 5745] <... munmap resumed>) = 0 [pid 5744] ioctl(4, LOOP_SET_FD, 3 [pid 5743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5746] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5745] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5747] <... openat resumed>) = 3 [pid 5746] <... openat resumed>) = 4 [pid 5745] <... openat resumed>) = 4 [pid 5744] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] ioctl(4, LOOP_SET_FD, 3 [pid 5745] ioctl(4, LOOP_SET_FD, 3 [pid 5746] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5745] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] ioctl(4, LOOP_CLR_FD [pid 5745] ioctl(4, LOOP_CLR_FD [pid 5746] <... ioctl resumed>) = 0 [pid 5745] <... ioctl resumed>) = 0 [pid 5743] <... write resumed>) = 262144 [pid 5747] write(3, "1000", 4 [pid 5744] ioctl(4, LOOP_CLR_FD [pid 5748] set_robust_list(0x5555563db5e0, 24 [pid 5747] <... write resumed>) = 4 [pid 5744] <... ioctl resumed>) = 0 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5747] close(3 [pid 5743] munmap(0x7fc4e5d63000, 262144 [pid 5746] ioctl(4, LOOP_SET_FD, 3 [pid 5745] ioctl(4, LOOP_SET_FD, 3 [pid 5748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5747] <... close resumed>) = 0 [pid 5746] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5745] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... prctl resumed>) = 0 [pid 5746] close(4 [pid 5745] close(4 [pid 5743] <... munmap resumed>) = 0 [pid 5748] setpgid(0, 0 [pid 5747] <... futex resumed>) = 0 [pid 5746] <... close resumed>) = 0 [pid 5745] <... close resumed>) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5746] close(3 [pid 5745] close(3 [pid 5748] <... setpgid resumed>) = 0 [pid 5747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5746] <... close resumed>) = 0 [pid 5745] <... close resumed>) = 0 [pid 5743] <... openat resumed>) = 4 [pid 5746] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5747] <... mmap resumed>) = 0x7fc4ee163000 [pid 5746] <... futex resumed>) = 1 [pid 5745] <... futex resumed>) = 1 [pid 5744] ioctl(4, LOOP_SET_FD, 3 [pid 5743] ioctl(4, LOOP_SET_FD, 3 [pid 5742] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5746] fspick(AT_FDCWD, ".", 0 [pid 5745] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5742] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5748] <... openat resumed>) = 3 [pid 5747] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5746] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] close(4 [pid 5743] ioctl(4, LOOP_CLR_FD [pid 5742] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5746] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] fspick(AT_FDCWD, ".", 0 [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... futex resumed>) = 0 [pid 5745] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... mprotect resumed>) = 0 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] <... futex resumed>) = 1 [pid 5742] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5748] write(3, "1000", 4 [pid 5747] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5746] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5745] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] close(3 [pid 5743] <... ioctl resumed>) = 0 [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... write resumed>) = 4 [pid 5746] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5746] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... futex resumed>) = 1 [pid 5745] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5744] <... close resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5748] close(3 [pid 5746] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... close resumed>) = 0 [pid 5747] <... clone resumed>, parent_tid=[5749], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5749 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] <... futex resumed>) = 1 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5748] <... futex resumed>) = 0 [pid 5747] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5745] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] fspick(AT_FDCWD, ".", 0 [pid 5741] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5747] <... futex resumed>) = 0 [pid 5746] <... openat resumed>) = 3 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5741] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5748] <... mmap resumed>) = 0x7fc4ee163000 [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5746] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5744] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] ioctl(4, LOOP_SET_FD, 3 [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5746] <... futex resumed>) = 1 [pid 5745] <... openat resumed>) = 3 [pid 5744] <... futex resumed>) = 0 [pid 5743] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5742] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... mprotect resumed>) = 0 [pid 5746] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5743] close(4 [pid 5742] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5745] <... futex resumed>) = 1 [pid 5744] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5743] <... close resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5746] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5745] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] close(3 [pid 5742] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] <... clone resumed>, parent_tid=[5750], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5750 [pid 5746] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5746] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5741] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... futex resumed>) = 1 [pid 5745] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5742] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5749 attached [pid 5748] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] <... close resumed>) = 0 [pid 5742] exit_group(0 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] set_robust_list(0x7fc4ee1839e0, 24 [pid 5748] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = ? [pid 5745] <... futex resumed>) = 1 [pid 5743] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... exit_group resumed>) = ? [pid 5741] <... futex resumed>) = 0 [pid 5739] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5746] +++ exited with 0 +++ [pid 5745] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = 1 [pid 5742] +++ exited with 0 +++ [pid 5741] exit_group(0 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 1 [pid 5749] memfd_create("syzkaller", 0 [pid 5745] <... futex resumed>) = ? [pid 5744] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5743] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... exit_group resumed>) = ? [pid 5740] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... memfd_create resumed>) = 3 [pid 5745] +++ exited with 0 +++ [pid 5744] <... openat resumed>) = 3 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] +++ exited with 0 +++ [pid 5740] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5744] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] fspick(AT_FDCWD, ".", 0 [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5749] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5744] <... futex resumed>) = 1 [pid 5743] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5739] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5750 attached [pid 5749] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5744] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] set_robust_list(0x7fc4ee1839e0, 24 [pid 5749] <... write resumed>) = 262144 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5749] munmap(0x7fc4e5d63000, 262144 [pid 5744] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5743] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] <... set_robust_list resumed>) = 0 [pid 5740] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5750] memfd_create("syzkaller", 0 [pid 5749] <... munmap resumed>) = 0 [pid 5744] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] <... openat resumed>) = 3 [pid 5749] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5744] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5750] <... memfd_create resumed>) = 3 [pid 5749] <... openat resumed>) = 4 [pid 5744] <... futex resumed>) = 1 [pid 5743] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5739] <... futex resumed>) = 0 [pid 5002] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5749] ioctl(4, LOOP_SET_FD, 3 [pid 5744] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] exit_group(0 [pid 5002] <... close resumed>) = 0 [pid 4999] close(3 [pid 5749] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5744] <... futex resumed>) = ? [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... exit_group resumed>) = ? [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 5749] ioctl(4, LOOP_CLR_FD [pid 5744] +++ exited with 0 +++ [pid 5743] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5750] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5749] <... ioctl resumed>) = 0 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5739] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5751 [pid 5743] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5752 [pid 5743] <... openat resumed>) = 3 [pid 5750] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5743] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5743] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5743] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5740] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5749] ioctl(4, LOOP_SET_FD, 3 [pid 5743] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] close(3 [pid 5749] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5743] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5749] close(4 [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5750] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5749] <... close resumed>) = 0 [pid 5743] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] exit_group(0 [pid 5749] close(3 [pid 5743] <... futex resumed>) = ? [pid 5740] <... exit_group resumed>) = ? [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5753 [pid 5750] <... write resumed>) = 262144 [pid 5749] <... close resumed>) = 0 [pid 5743] +++ exited with 0 +++ [pid 5740] +++ exited with 0 +++ [pid 5750] munmap(0x7fc4e5d63000, 262144 [pid 5749] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5749] <... futex resumed>) = 1 [pid 5747] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5749] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] fspick(AT_FDCWD, ".", 0 [pid 5747] <... futex resumed>) = 0 [pid 5749] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5749] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... futex resumed>) = 0 [pid 5749] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... restart_syscall resumed>) = 0 [pid 5747] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = 0 [pid 5747] <... futex resumed>) = 1 [pid 5749] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5750] <... munmap resumed>) = 0 [pid 5749] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5747] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5750] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5749] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5750] <... openat resumed>) = 4 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5747] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5751 attached [pid 5750] ioctl(4, LOOP_SET_FD, 3 [pid 5749] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5751] set_robust_list(0x5555563db5e0, 24 [pid 5750] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5749] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5750] ioctl(4, LOOP_CLR_FD [pid 5749] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5750] <... ioctl resumed>) = 0 [pid 5749] <... futex resumed>) = 1 [pid 5747] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5753 attached [pid 5751] <... prctl resumed>) = 0 [pid 5749] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] set_robust_list(0x5555563db5e0, 24 [pid 5751] setpgid(0, 0 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5747] <... futex resumed>) = 0 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5751] <... setpgid resumed>) = 0 [pid 5749] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5747] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5754 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5749] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5753] <... prctl resumed>) = 0 [pid 5751] <... openat resumed>) = 3 [pid 5749] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] setpgid(0, 0 [pid 5751] write(3, "1000", 4 [pid 5749] <... futex resumed>) = 1 [pid 5747] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5752 attached [pid 5753] <... setpgid resumed>) = 0 [pid 5751] <... write resumed>) = 4 [pid 5750] ioctl(4, LOOP_SET_FD, 3 [pid 5749] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] exit_group(0 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5752] set_robust_list(0x5555563db5e0, 24 [pid 5751] close(3 [pid 5750] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5749] <... futex resumed>) = ? [pid 5747] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5754 attached [pid 5753] <... openat resumed>) = 3 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5751] <... close resumed>) = 0 [pid 5750] close(4 [pid 5749] +++ exited with 0 +++ [pid 5747] +++ exited with 0 +++ [pid 5753] write(3, "1000", 4 [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5753] <... write resumed>) = 4 [pid 5751] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5753] close(3 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] close(3 [pid 5753] <... close resumed>) = 0 [pid 5752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5753] <... futex resumed>) = 0 [pid 5752] <... prctl resumed>) = 0 [pid 5754] set_robust_list(0x5555563db5e0, 24 [pid 5751] <... mprotect resumed>) = 0 [pid 5750] <... close resumed>) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] setpgid(0, 0 [pid 5751] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5750] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... mmap resumed>) = 0x7fc4ee163000 [pid 5752] <... setpgid resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5753] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5751] <... clone resumed>, parent_tid=[5755], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5755 [pid 5750] fspick(AT_FDCWD, ".", 0 [pid 5748] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5753] <... mprotect resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5751] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5748] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5753] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5752] <... openat resumed>) = 3 [pid 5751] <... futex resumed>) = 0 [pid 5750] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5754] <... prctl resumed>) = 0 [pid 5752] write(3, "1000", 4 [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5750] <... futex resumed>) = 0 [pid 5748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... close resumed>) = 0 [pid 5754] setpgid(0, 0 [pid 5753] <... clone resumed>, parent_tid=[5756], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5756 [pid 5752] <... write resumed>) = 4 [pid 5750] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5754] <... setpgid resumed>) = 0 [pid 5753] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] close(3 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... futex resumed>) = 0 [pid 5754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5753] <... futex resumed>) = 0 [pid 5752] <... close resumed>) = 0 [pid 5750] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5757 [pid 5754] <... openat resumed>) = 3 [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5754] write(3, "1000", 4 [pid 5752] <... futex resumed>) = 0 [pid 5750] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] <... futex resumed>) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5754] <... write resumed>) = 4 [pid 5750] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5756 attached [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5748] <... futex resumed>) = 0 [pid 5754] close(3 [pid 5752] <... mmap resumed>) = 0x7fc4ee163000 [pid 5754] <... close resumed>) = 0 [pid 5752] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5750] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... openat resumed>) = 3 [pid 5752] <... mprotect resumed>) = 0 [pid 5754] <... futex resumed>) = 0 [pid 5750] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5748] <... futex resumed>) = 0 [pid 5750] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5748] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5750] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5748] <... futex resumed>) = 0 [pid 5750] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... clone resumed>, parent_tid=[5758], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5758 [pid 5750] <... futex resumed>) = 0 [pid 5748] exit_group(0 [pid 5752] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... exit_group resumed>) = ? [pid 5756] set_robust_list(0x7fc4ee1839e0, 24 [pid 5750] +++ exited with 0 +++ ./strace-static-x86_64: Process 5755 attached [pid 5756] <... set_robust_list resumed>) = 0 [pid 5756] memfd_create("syzkaller", 0 [pid 5755] set_robust_list(0x7fc4ee1839e0, 24 [pid 5756] <... memfd_create resumed>) = 3 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5755] memfd_create("syzkaller", 0 [pid 5752] <... futex resumed>) = 0 [pid 5748] +++ exited with 0 +++ [pid 5756] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5755] <... memfd_create resumed>) = 3 [pid 5754] <... mmap resumed>) = 0x7fc4ee163000 [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5754] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5755] <... mmap resumed>) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5758 attached [pid 5754] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5757 attached [pid 5754] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5758] set_robust_list(0x7fc4ee1839e0, 24 [pid 5757] set_robust_list(0x5555563db5e0, 24 [pid 5755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5758] <... set_robust_list resumed>) = 0 [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5754] <... clone resumed>, parent_tid=[5759], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5759 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5759 attached [pid 5758] memfd_create("syzkaller", 0 [pid 5757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] <... write resumed>) = 262144 [pid 5754] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5759] set_robust_list(0x7fc4ee1839e0, 24 [pid 5758] <... memfd_create resumed>) = 3 [pid 5757] <... prctl resumed>) = 0 [pid 5754] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 5758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... close resumed>) = 0 [pid 5757] setpgid(0, 0 [pid 5758] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5755] <... write resumed>) = 262144 [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5757] <... setpgid resumed>) = 0 [pid 5756] munmap(0x7fc4e5d63000, 262144 [pid 5755] munmap(0x7fc4e5d63000, 262144 [pid 5758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5756] <... munmap resumed>) = 0 [pid 5755] <... munmap resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5760 [pid 5757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] <... set_robust_list resumed>) = 0 [pid 5756] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5757] <... openat resumed>) = 3 [pid 5759] memfd_create("syzkaller", 0 [pid 5756] <... openat resumed>) = 4 [pid 5755] <... openat resumed>) = 4 [pid 5756] ioctl(4, LOOP_SET_FD, 3 [pid 5755] ioctl(4, LOOP_SET_FD, 3 [pid 5756] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5755] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5756] ioctl(4, LOOP_CLR_FD [pid 5755] ioctl(4, LOOP_CLR_FD [pid 5756] <... ioctl resumed>) = 0 [pid 5755] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5760 attached [pid 5758] <... write resumed>) = 262144 [pid 5757] write(3, "1000", 4 [pid 5759] <... memfd_create resumed>) = 3 [pid 5760] set_robust_list(0x5555563db5e0, 24 [pid 5757] <... write resumed>) = 4 [pid 5759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5758] munmap(0x7fc4e5d63000, 262144 [pid 5757] close(3 [pid 5759] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5757] <... close resumed>) = 0 [pid 5756] ioctl(4, LOOP_SET_FD, 3 [pid 5755] ioctl(4, LOOP_SET_FD, 3 [pid 5756] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5755] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5756] close(4 [pid 5755] close(4 [pid 5756] <... close resumed>) = 0 [pid 5755] <... close resumed>) = 0 [pid 5756] close(3 [pid 5755] close(3 [pid 5759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5758] <... munmap resumed>) = 0 [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... close resumed>) = 0 [pid 5755] <... close resumed>) = 0 [pid 5760] <... set_robust_list resumed>) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5756] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5760] <... prctl resumed>) = 0 [pid 5756] fspick(AT_FDCWD, ".", 0 [pid 5755] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] setpgid(0, 0 [pid 5759] <... write resumed>) = 262144 [pid 5758] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5756] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5760] <... setpgid resumed>) = 0 [pid 5756] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] fspick(AT_FDCWD, ".", 0 [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5759] munmap(0x7fc4e5d63000, 262144 [pid 5758] <... openat resumed>) = 4 [pid 5757] <... mmap resumed>) = 0x7fc4ee163000 [pid 5756] <... futex resumed>) = 0 [pid 5755] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5760] <... openat resumed>) = 3 [pid 5758] ioctl(4, LOOP_SET_FD, 3 [pid 5757] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5756] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] write(3, "1000", 4 [pid 5758] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5757] <... mprotect resumed>) = 0 [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5760] <... write resumed>) = 4 [pid 5759] <... munmap resumed>) = 0 [pid 5758] ioctl(4, LOOP_CLR_FD [pid 5757] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5756] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5755] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] close(3 [pid 5759] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5758] <... ioctl resumed>) = 0 [pid 5756] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5760] <... close resumed>) = 0 [pid 5759] <... openat resumed>) = 4 [pid 5757] <... clone resumed>, parent_tid=[5761], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5761 [pid 5756] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] ioctl(4, LOOP_SET_FD, 3 [pid 5757] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5757] <... futex resumed>) = 0 [pid 5756] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] ioctl(4, LOOP_CLR_FD [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5760] <... mmap resumed>) = 0x7fc4ee163000 [pid 5759] <... ioctl resumed>) = 0 [pid 5758] ioctl(4, LOOP_SET_FD, 3 [pid 5756] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5755] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5758] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5756] <... openat resumed>) = 3 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5761 attached [pid 5760] <... mprotect resumed>) = 0 [pid 5758] close(4 [pid 5756] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] set_robust_list(0x7fc4ee1839e0, 24 [pid 5760] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5758] <... close resumed>) = 0 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... openat resumed>) = 3 [pid 5753] <... futex resumed>) = 0 [pid 5761] <... set_robust_list resumed>) = 0 [pid 5758] close(3 [pid 5756] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] memfd_create("syzkaller", 0 [pid 5760] <... clone resumed>, parent_tid=[5762], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5762 [pid 5759] ioctl(4, LOOP_SET_FD, 3 [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5761] <... memfd_create resumed>) = 3 [pid 5760] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5755] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5760] <... futex resumed>) = 0 [pid 5759] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5758] <... close resumed>) = 0 [pid 5756] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5761] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5759] close(4 [pid 5758] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5751] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5759] <... close resumed>) = 0 [pid 5758] <... futex resumed>) = 1 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5753] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5761] <... write resumed>) = 262144 [pid 5759] close(3 [pid 5758] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] exit_group(0 [pid 5752] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] munmap(0x7fc4e5d63000, 262144 [pid 5756] <... futex resumed>) = ? [pid 5755] <... futex resumed>) = 1 [pid 5753] <... exit_group resumed>) = ? [pid 5751] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5762 attached [pid 5761] <... munmap resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] +++ exited with 0 +++ [pid 5755] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] +++ exited with 0 +++ [pid 5752] <... futex resumed>) = 0 [pid 5751] exit_group(0 [pid 5762] set_robust_list(0x7fc4ee1839e0, 24 [pid 5761] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5759] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] fspick(AT_FDCWD, ".", 0 [pid 5755] <... futex resumed>) = ? [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] <... exit_group resumed>) = ? [pid 5762] <... set_robust_list resumed>) = 0 [pid 5761] <... openat resumed>) = 4 [pid 5759] <... futex resumed>) = 1 [pid 5758] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5755] +++ exited with 0 +++ [pid 5754] <... futex resumed>) = 0 [pid 5751] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5761] ioctl(4, LOOP_SET_FD, 3 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5761] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5762] memfd_create("syzkaller", 0 [pid 5761] ioctl(4, LOOP_CLR_FD [pid 5759] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... memfd_create resumed>) = 3 [pid 5761] <... ioctl resumed>) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5759] fspick(AT_FDCWD, ".", 0 [pid 5758] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] <... openat resumed>) = 3 [pid 5762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5759] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5759] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] <... ioctl resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5758] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5754] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 5762] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5759] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5002] <... close resumed>) = 0 [pid 5761] ioctl(4, LOOP_SET_FD, 3 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5761] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5759] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5758] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5761] close(4 [pid 5759] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5763 [pid 5761] <... close resumed>) = 0 [pid 5759] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5764 [pid 5761] close(3 [pid 5759] <... futex resumed>) = 1 [pid 5754] <... futex resumed>) = 0 [pid 5762] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5761] <... close resumed>) = 0 [pid 5759] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... openat resumed>) = 3 [pid 5754] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5759] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5758] <... futex resumed>) = 1 [pid 5757] <... futex resumed>) = 0 [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] <... futex resumed>) = 0 [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5764 attached [pid 5764] set_robust_list(0x5555563db5e0, 24 [pid 5759] <... openat resumed>) = 3 [pid 5758] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5757] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = 0 [pid 5759] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5757] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5761] fspick(AT_FDCWD, ".", 0 [pid 5759] <... futex resumed>) = 1 [pid 5758] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... futex resumed>) = 0 [pid 5752] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5759] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... futex resumed>) = 0 [pid 5754] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] <... futex resumed>) = 0 [pid 5752] exit_group(0 [pid 5761] <... futex resumed>) = 1 [pid 5759] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5758] <... futex resumed>) = ? [pid 5757] <... futex resumed>) = 0 [pid 5754] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] <... exit_group resumed>) = ? [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5758] +++ exited with 0 +++ [pid 5757] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 5761] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... set_robust_list resumed>) = 0 [pid 5764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5764] setpgid(0, 0) = 0 [pid 5764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5752] +++ exited with 0 +++ [pid 5761] <... futex resumed>) = 0 [pid 5759] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = 1 [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] <... futex resumed>) = 1 [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5764] <... openat resumed>) = 3 [pid 5762] <... write resumed>) = 262144 [pid 5759] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5754] exit_group(0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5764] write(3, "1000", 4 [pid 5762] munmap(0x7fc4e5d63000, 262144 [pid 5759] <... futex resumed>) = ? [pid 5757] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... exit_group resumed>) = ? [pid 4999] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5764] <... write resumed>) = 4 [pid 5759] +++ exited with 0 +++ [pid 5764] close(3 [pid 5763] set_robust_list(0x5555563db5e0, 24 [pid 5764] <... close resumed>) = 0 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5754] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5761] <... futex resumed>) = 0 [pid 5757] <... futex resumed>) = 1 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... openat resumed>) = 3 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... prctl resumed>) = 0 [pid 5761] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5763] setpgid(0, 0 [pid 5762] <... munmap resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5764] <... mmap resumed>) = 0x7fc4ee163000 [pid 5763] <... setpgid resumed>) = 0 [pid 5761] <... openat resumed>) = 3 [pid 4999] close(3 [pid 5764] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5762] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5761] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5764] <... mprotect resumed>) = 0 [pid 5763] <... openat resumed>) = 3 [pid 5762] <... openat resumed>) = 4 [pid 5761] <... futex resumed>) = 1 [pid 5757] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5764] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5763] write(3, "1000", 4 [pid 5762] ioctl(4, LOOP_SET_FD, 3 [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5763] <... write resumed>) = 4 [pid 5762] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5757] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5765 [pid 5764] <... clone resumed>, parent_tid=[5766], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5766 [pid 5763] close(3 [pid 5762] ioctl(4, LOOP_CLR_FD [pid 5761] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5757] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5764] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... close resumed>) = 0 [pid 5762] <... ioctl resumed>) = 0 [pid 5761] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] <... close resumed>) = 0 [pid 5764] <... futex resumed>) = 0 [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5763] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5757] <... futex resumed>) = 0 [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5761] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5757] exit_group(0 [pid 5763] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5761] <... futex resumed>) = ? [pid 5757] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5767 [pid 5763] <... mprotect resumed>) = 0 [pid 5761] +++ exited with 0 +++ [pid 5763] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5768], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5768 [pid 5763] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5757] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5762] ioctl(4, LOOP_SET_FD, 3 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5762] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5762] close(4 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5762] <... close resumed>) = 0 [pid 5762] close(3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5762] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5769 [pid 5762] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5766 attached ) = 1 [pid 5760] <... futex resumed>) = 0 [pid 5766] set_robust_list(0x7fc4ee1839e0, 24 [pid 5762] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5760] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5760] <... futex resumed>) = 0 [pid 5766] memfd_create("syzkaller", 0 [pid 5762] fspick(AT_FDCWD, ".", 0 [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5767 attached [pid 5766] <... memfd_create resumed>) = 3 [pid 5762] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5762] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5762] <... futex resumed>) = 1 [pid 5760] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5769 attached [pid 5767] set_robust_list(0x5555563db5e0, 24 [pid 5766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5762] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5760] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5760] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5765 attached [pid 5769] set_robust_list(0x5555563db5e0, 24 [pid 5767] <... set_robust_list resumed>) = 0 [pid 5762] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5768 attached [pid 5769] <... set_robust_list resumed>) = 0 [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5766] <... write resumed>) = 262144 [pid 5765] set_robust_list(0x5555563db5e0, 24 [pid 5762] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5768] set_robust_list(0x7fc4ee1839e0, 24 [pid 5762] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5762] <... futex resumed>) = 1 [pid 5760] <... futex resumed>) = 0 [pid 5768] memfd_create("syzkaller", 0 [pid 5767] <... prctl resumed>) = 0 [pid 5762] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5760] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] <... memfd_create resumed>) = 3 [pid 5767] setpgid(0, 0 [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5760] <... futex resumed>) = 0 [pid 5769] <... prctl resumed>) = 0 [pid 5768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5767] <... setpgid resumed>) = 0 [pid 5765] <... set_robust_list resumed>) = 0 [pid 5762] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5766] munmap(0x7fc4e5d63000, 262144 [pid 5762] <... openat resumed>) = 3 [pid 5769] setpgid(0, 0 [pid 5768] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5766] <... munmap resumed>) = 0 [pid 5765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5762] <... futex resumed>) = 1 [pid 5760] <... futex resumed>) = 0 [pid 5767] <... openat resumed>) = 3 [pid 5769] <... setpgid resumed>) = 0 [pid 5766] <... openat resumed>) = 4 [pid 5765] <... prctl resumed>) = 0 [pid 5762] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5760] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] write(3, "1000", 4 [pid 5766] ioctl(4, LOOP_SET_FD, 3 [pid 5762] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5760] <... futex resumed>) = 0 [pid 5767] <... write resumed>) = 4 [pid 5766] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5762] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] <... write resumed>) = 262144 [pid 5767] close(3 [pid 5766] ioctl(4, LOOP_CLR_FD [pid 5765] setpgid(0, 0 [pid 5762] <... futex resumed>) = 0 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] munmap(0x7fc4e5d63000, 262144 [pid 5766] <... ioctl resumed>) = 0 [pid 5760] exit_group(0 [pid 5769] <... openat resumed>) = 3 [pid 5768] <... munmap resumed>) = 0 [pid 5767] <... close resumed>) = 0 [pid 5765] <... setpgid resumed>) = 0 [pid 5760] <... exit_group resumed>) = ? [pid 5769] write(3, "1000", 4 [pid 5768] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5762] +++ exited with 0 +++ [pid 5760] +++ exited with 0 +++ [pid 5768] <... openat resumed>) = 4 [pid 5767] <... futex resumed>) = 0 [pid 5769] <... write resumed>) = 4 [pid 5768] ioctl(4, LOOP_SET_FD, 3 [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5765] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5768] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5767] <... mmap resumed>) = 0x7fc4ee163000 [pid 5769] close(3 [pid 5768] ioctl(4, LOOP_CLR_FD [pid 5765] write(3, "1000", 4 [pid 5769] <... close resumed>) = 0 [pid 5768] <... ioctl resumed>) = 0 [pid 5767] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... mprotect resumed>) = 0 [pid 5766] close(4 [pid 5765] <... write resumed>) = 4 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5767] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5766] <... close resumed>) = 0 [pid 5765] close(3 [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5766] close(3 [pid 5765] <... close resumed>) = 0 [pid 5769] <... mmap resumed>) = 0x7fc4ee163000 [pid 5767] <... clone resumed>, parent_tid=[5770], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5770 [pid 5766] <... close resumed>) = 0 [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5769] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5768] ioctl(4, LOOP_SET_FD, 3 [pid 5767] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5769] <... mprotect resumed>) = 0 [pid 5768] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5767] <... futex resumed>) = 0 [pid 5766] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5769] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5768] close(4 [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5766] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5768] <... close resumed>) = 0 [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... mmap resumed>) = 0x7fc4ee163000 [pid 5764] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5769] <... clone resumed>, parent_tid=[5771], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5771 [pid 5768] close(3 [pid 5766] fspick(AT_FDCWD, ".", 0 [pid 5765] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5769] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... close resumed>) = 0 [pid 5766] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5765] <... mprotect resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5769] <... futex resumed>) = 0 [pid 5768] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5768] <... futex resumed>) = 1 [pid 5766] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5772 [pid 5768] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] <... clone resumed>, parent_tid=[5773], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5773 [pid 5764] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5768] fspick(AT_FDCWD, ".", 0 [pid 5766] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5765] <... futex resumed>) = 0 [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5770 attached [pid 5768] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5766] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5768] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5771 attached [pid 5770] set_robust_list(0x7fc4ee1839e0, 24 [pid 5768] <... futex resumed>) = 1 [pid 5766] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5771] set_robust_list(0x7fc4ee1839e0, 24 [pid 5768] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5771] memfd_create("syzkaller", 0 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5768] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5766] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] <... memfd_create resumed>) = 3 [pid 5768] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5766] <... openat resumed>) = 3 [pid 5771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5768] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5773 attached [pid 5771] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5770] memfd_create("syzkaller", 0 [pid 5768] <... futex resumed>) = 1 [pid 5766] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5773] set_robust_list(0x7fc4ee1839e0, 24 [pid 5771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5770] <... memfd_create resumed>) = 3 [pid 5768] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5772 attached [pid 5773] <... set_robust_list resumed>) = 0 [pid 5770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5773] memfd_create("syzkaller", 0 [pid 5772] set_robust_list(0x5555563db5e0, 24 [pid 5771] <... write resumed>) = 262144 [pid 5770] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5768] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5766] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5764] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] munmap(0x7fc4e5d63000, 262144 [pid 5768] <... openat resumed>) = 3 [pid 5766] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5771] <... munmap resumed>) = 0 [pid 5768] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... memfd_create resumed>) = 3 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5771] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5768] <... futex resumed>) = 1 [pid 5766] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5771] <... openat resumed>) = 4 [pid 5768] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] exit_group(0 [pid 5763] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5771] ioctl(4, LOOP_SET_FD, 3 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] <... futex resumed>) = ? [pid 5764] <... exit_group resumed>) = ? [pid 5763] <... futex resumed>) = 0 [pid 5773] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5771] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5770] <... write resumed>) = 262144 [pid 5768] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5766] +++ exited with 0 +++ [pid 5764] +++ exited with 0 +++ [pid 5763] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] ioctl(4, LOOP_CLR_FD [pid 5768] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5771] <... ioctl resumed>) = 0 [pid 5768] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5768] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5768] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] exit_group(0 [pid 5004] <... openat resumed>) = 3 [pid 5768] <... futex resumed>) = ? [pid 5763] <... exit_group resumed>) = ? [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5772] <... prctl resumed>) = 0 [pid 5770] munmap(0x7fc4e5d63000, 262144 [pid 5768] +++ exited with 0 +++ [pid 5763] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = 0 [pid 5771] ioctl(4, LOOP_SET_FD, 3 [pid 5004] close(3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5771] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... close resumed>) = 0 [pid 5772] setpgid(0, 0 [pid 5771] close(4 [pid 5770] <... munmap resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5771] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5772] <... setpgid resumed>) = 0 [pid 5771] close(3 [pid 5770] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5774 [pid 5002] <... openat resumed>) = 3 [pid 5773] <... write resumed>) = 262144 [pid 5772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5771] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5771] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... openat resumed>) = 4 [pid 5002] <... ioctl resumed>) = 0 [pid 5772] <... openat resumed>) = 3 [pid 5771] <... futex resumed>) = 1 [pid 5770] ioctl(4, LOOP_SET_FD, 3 [pid 5769] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5773] munmap(0x7fc4e5d63000, 262144 [pid 5772] write(3, "1000", 4 [pid 5771] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5769] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5773] <... munmap resumed>) = 0 [pid 5772] <... write resumed>) = 4 [pid 5771] fspick(AT_FDCWD, ".", 0 [pid 5770] ioctl(4, LOOP_CLR_FD [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5772] close(3 [pid 5771] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... ioctl resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5775 [pid 5772] <... close resumed>) = 0 [pid 5771] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... openat resumed>) = 4 [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5773] ioctl(4, LOOP_SET_FD, 3 [pid 5772] <... futex resumed>) = 0 [pid 5771] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5771] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] ioctl(4, LOOP_CLR_FD [pid 5772] <... mmap resumed>) = 0x7fc4ee163000 [pid 5771] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5771] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5771] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... futex resumed>) = 0 [pid 5771] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... ioctl resumed>) = 0 [pid 5772] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5771] <... openat resumed>) = 3 [pid 5771] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] ioctl(4, LOOP_SET_FD, 3 [pid 5772] <... mprotect resumed>) = 0 [pid 5771] <... futex resumed>) = 1 [pid 5770] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5769] <... futex resumed>) = 0 [pid 5772] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5771] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] close(4 [pid 5769] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5770] <... close resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5772] <... clone resumed>, parent_tid=[5776], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5776 [pid 5771] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5770] close(3 [pid 5769] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5772] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5771] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5771] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] exit_group(0./strace-static-x86_64: Process 5774 attached [pid 5771] <... futex resumed>) = ? [pid 5769] <... exit_group resumed>) = ? [pid 5774] set_robust_list(0x5555563db5e0, 24 [pid 5772] <... futex resumed>) = 0 [pid 5771] +++ exited with 0 +++ [pid 5770] <... close resumed>) = 0 [pid 5769] +++ exited with 0 +++ [pid 5774] <... set_robust_list resumed>) = 0 [pid 5773] ioctl(4, LOOP_SET_FD, 3 [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5770] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5773] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5770] <... futex resumed>) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5774] <... prctl resumed>) = 0 [pid 5773] close(4 [pid 5770] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] setpgid(0, 0 [pid 5773] <... close resumed>) = 0 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5774] <... setpgid resumed>) = 0 [pid 5773] close(3 [pid 5770] fspick(AT_FDCWD, ".", 0 [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5770] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5774] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = 0 [pid 5774] write(3, "1000", 4 [pid 5003] close(3./strace-static-x86_64: Process 5776 attached [pid 5774] <... write resumed>) = 4 [pid 5773] <... close resumed>) = 0 [pid 5770] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5776] set_robust_list(0x7fc4ee1839e0, 24 [pid 5774] close(3 [pid 5773] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5775 attached [pid 5776] <... set_robust_list resumed>) = 0 [pid 5774] <... close resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5770] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 0 [pid 5776] memfd_create("syzkaller", 0 [pid 5775] set_robust_list(0x5555563db5e0, 24 [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... futex resumed>) = 0 [pid 5765] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5777 [pid 5776] <... memfd_create resumed>) = 3 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5774] <... futex resumed>) = 0 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5770] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... futex resumed>) = 0 [pid 5776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] fspick(AT_FDCWD, ".", 0 [pid 5770] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5776] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] <... mmap resumed>) = 0x7fc4ee163000 [pid 5773] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5770] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5774] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5773] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5775] <... prctl resumed>) = 0 [pid 5774] <... mprotect resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5770] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 0 [pid 5776] <... write resumed>) = 262144 [pid 5775] setpgid(0, 0 [pid 5774] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5773] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... futex resumed>) = 0 [pid 5765] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] munmap(0x7fc4e5d63000, 262144 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5770] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... futex resumed>) = 0 [pid 5776] <... munmap resumed>) = 0 [pid 5775] <... setpgid resumed>) = 0 [pid 5774] <... clone resumed>, parent_tid=[5778], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5778 [pid 5773] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5776] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5774] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... openat resumed>) = 3 [pid 5776] <... openat resumed>) = 4 [pid 5774] <... futex resumed>) = 0 [pid 5773] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] ioctl(4, LOOP_SET_FD, 3 [pid 5775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5776] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5775] <... openat resumed>) = 3 [pid 5773] <... futex resumed>) = 0 [pid 5770] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] ioctl(4, LOOP_CLR_FD [pid 5775] write(3, "1000", 4 [pid 5773] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 0 [pid 5776] <... ioctl resumed>) = 0 [pid 5773] <... openat resumed>) = 3 [pid 5767] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5777 attached [pid 5775] <... write resumed>) = 4 [pid 5773] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] set_robust_list(0x5555563db5e0, 24 [pid 5775] close(3 [pid 5773] <... futex resumed>) = 0 [pid 5770] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5765] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5770] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5778 attached [pid 5775] <... close resumed>) = 0 [pid 5773] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5770] <... futex resumed>) = 1 [pid 5777] <... set_robust_list resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5765] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] set_robust_list(0x7fc4ee1839e0, 24 [pid 5777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] exit_group(0 [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] <... prctl resumed>) = 0 [pid 5776] ioctl(4, LOOP_SET_FD, 3 [pid 5775] <... futex resumed>) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5770] <... futex resumed>) = ? [pid 5767] <... exit_group resumed>) = ? [pid 5765] exit_group(0 [pid 5778] memfd_create("syzkaller", 0 [pid 5777] setpgid(0, 0 [pid 5776] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] +++ exited with 0 +++ [pid 5778] <... memfd_create resumed>) = 3 [pid 5777] <... setpgid resumed>) = 0 [pid 5776] close(4 [pid 5778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5776] <... close resumed>) = 0 [pid 5778] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5777] <... openat resumed>) = 3 [pid 5776] close(3 [pid 5775] <... mmap resumed>) = 0x7fc4ee163000 [pid 5773] <... futex resumed>) = ? [pid 5767] +++ exited with 0 +++ [pid 5765] <... exit_group resumed>) = ? [pid 5778] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5777] write(3, "1000", 4 [pid 5776] <... close resumed>) = 0 [pid 5778] <... write resumed>) = 262144 [pid 5777] <... write resumed>) = 4 [pid 5776] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5773] +++ exited with 0 +++ [pid 5765] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5777] close(3 [pid 5776] <... futex resumed>) = 1 [pid 5775] <... mprotect resumed>) = 0 [pid 5772] <... futex resumed>) = 0 [pid 5777] <... close resumed>) = 0 [pid 5776] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5775] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5772] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5778] munmap(0x7fc4e5d63000, 262144 [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5778] <... munmap resumed>) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5776] fspick(AT_FDCWD, ".", 0 [pid 5772] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5776] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5775] <... clone resumed>, parent_tid=[5779], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5779 [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5778] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5777] <... mmap resumed>) = 0x7fc4ee163000 [pid 5776] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] <... ioctl resumed>) = 0 [pid 5778] <... openat resumed>) = 4 [pid 5777] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5776] <... futex resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5772] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5778] ioctl(4, LOOP_SET_FD, 3 [pid 5777] <... mprotect resumed>) = 0 [pid 5776] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5772] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5778] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5777] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5776] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5778] ioctl(4, LOOP_CLR_FD [pid 5776] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5778] <... ioctl resumed>) = 0 [pid 5777] <... clone resumed>, parent_tid=[5780], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5780 [pid 5776] <... futex resumed>) = 0 [pid 5772] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5781 [pid 5777] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5772] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5777] <... futex resumed>) = 0 [pid 5776] <... openat resumed>) = 3 [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5776] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5776] <... futex resumed>) = 0 [pid 5772] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] ioctl(4, LOOP_SET_FD, 3 [pid 5776] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5778] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5776] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5778] close(4 [pid 5776] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... futex resumed>) = 0 [pid 5778] <... close resumed>) = 0 [pid 5776] <... futex resumed>) = 0 [pid 5772] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5782 [pid 5778] close(3 [pid 5776] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... close resumed>) = 0 [pid 5772] exit_group(0 [pid 5778] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] <... futex resumed>) = ? [pid 5772] <... exit_group resumed>) = ? [pid 5778] <... futex resumed>) = 1 [pid 5776] +++ exited with 0 +++ [pid 5774] <... futex resumed>) = 0 [pid 5778] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... futex resumed>) = 0 [pid 5778] fspick(AT_FDCWD, ".", 0 [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5772] +++ exited with 0 +++ [pid 5778] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5778] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5778] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... futex resumed>) = 0 [pid 5778] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5778] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5778] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5779 attached [pid 5778] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5782 attached ./strace-static-x86_64: Process 5780 attached [pid 5779] set_robust_list(0x7fc4ee1839e0, 24 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5782] set_robust_list(0x5555563db5e0, 24 [pid 5780] set_robust_list(0x7fc4ee1839e0, 24 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5778] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5779] memfd_create("syzkaller", 0 [pid 5778] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5781 attached [pid 5778] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5781] set_robust_list(0x5555563db5e0, 24 [pid 5779] <... memfd_create resumed>) = 3 [pid 5778] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5782] <... prctl resumed>) = 0 [pid 5781] <... set_robust_list resumed>) = 0 [pid 5780] memfd_create("syzkaller", 0 [pid 5779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5778] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 5782] setpgid(0, 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5780] <... memfd_create resumed>) = 3 [pid 5779] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5781] <... prctl resumed>) = 0 [pid 5778] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5774] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5781] setpgid(0, 0 [pid 5778] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5783 [pid 5781] <... setpgid resumed>) = 0 [pid 5778] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5782] <... setpgid resumed>) = 0 [pid 5781] <... openat resumed>) = 3 [pid 5780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5779] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5778] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] exit_group(0 [pid 5781] write(3, "1000", 4 [pid 5778] <... futex resumed>) = ? [pid 5774] <... exit_group resumed>) = ? [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5781] <... write resumed>) = 4 [pid 5780] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5779] <... write resumed>) = 262144 [pid 5778] +++ exited with 0 +++ [pid 5774] +++ exited with 0 +++ [pid 5781] close(3 [pid 5782] <... openat resumed>) = 3 [pid 5781] <... close resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5781] <... futex resumed>) = 0 [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5781] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5781] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... restart_syscall resumed>) = 0 [pid 5781] <... clone resumed>, parent_tid=[5784], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5784 [pid 5780] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5782] write(3, "1000", 4 [pid 5779] munmap(0x7fc4e5d63000, 262144 [pid 5781] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5781] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5782] <... write resumed>) = 4 [pid 5780] <... write resumed>) = 262144 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5782] close(3 [pid 5779] <... munmap resumed>) = 0 [pid 5782] <... close resumed>) = 0 [pid 5779] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5785 [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] munmap(0x7fc4e5d63000, 262144 [pid 5779] <... openat resumed>) = 4 [pid 5782] <... futex resumed>) = 0 [pid 5779] ioctl(4, LOOP_SET_FD, 3 [pid 5782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5779] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5782] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5783 attached [pid 5783] set_robust_list(0x5555563db5e0, 24 [pid 5782] <... mprotect resumed>) = 0 [pid 5779] ioctl(4, LOOP_CLR_FD [pid 5783] <... set_robust_list resumed>) = 0 [pid 5782] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5779] <... ioctl resumed>) = 0 [pid 5783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5782] <... clone resumed>, parent_tid=[5786], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5786 [pid 5782] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... munmap resumed>) = 0 [pid 5782] <... futex resumed>) = 0 [pid 5780] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5780] <... openat resumed>) = 4 [pid 5780] ioctl(4, LOOP_SET_FD, 3 [pid 5779] ioctl(4, LOOP_SET_FD, 3 [pid 5780] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5779] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5783] setpgid(0, 0 [pid 5780] ioctl(4, LOOP_CLR_FD [pid 5779] close(4 [pid 5783] <... setpgid resumed>) = 0 [pid 5779] <... close resumed>) = 0 [pid 5783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5780] <... ioctl resumed>) = 0 [pid 5779] close(3./strace-static-x86_64: Process 5784 attached [pid 5783] <... openat resumed>) = 3 [pid 5784] set_robust_list(0x7fc4ee1839e0, 24 [pid 5783] write(3, "1000", 4 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5783] <... write resumed>) = 4 [pid 5779] <... close resumed>) = 0 [pid 5784] memfd_create("syzkaller", 0 [pid 5783] close(3 [pid 5779] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... memfd_create resumed>) = 3 [pid 5783] <... close resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 [pid 5784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] fspick(AT_FDCWD, ".", 0 [pid 5775] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5783] <... futex resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5779] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5780] ioctl(4, LOOP_SET_FD, 3 [pid 5779] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5786 attached [pid 5783] <... mmap resumed>) = 0x7fc4ee163000 [pid 5780] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5779] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5785 attached [pid 5786] set_robust_list(0x7fc4ee1839e0, 24 [pid 5784] <... write resumed>) = 262144 [pid 5783] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5780] close(4 [pid 5779] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5775] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... mprotect resumed>) = 0 [pid 5780] <... close resumed>) = 0 [pid 5779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... set_robust_list resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5785] set_robust_list(0x5555563db5e0, 24 [pid 5783] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5780] close(3 [pid 5779] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5783] <... clone resumed>, parent_tid=[5787], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5787 [pid 5780] <... close resumed>) = 0 [pid 5779] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5783] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5783] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 1 [pid 5779] <... futex resumed>) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5786] memfd_create("syzkaller", 0 [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] <... openat resumed>) = 4 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5780] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5777] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... memfd_create resumed>) = 3 [pid 5784] ioctl(4, LOOP_SET_FD, 3 [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] <... futex resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5784] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5780] fspick(AT_FDCWD, ".", 0 [pid 5779] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5784] ioctl(4, LOOP_CLR_FD [pid 5780] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5784] <... ioctl resumed>) = 0 [pid 5779] <... openat resumed>) = 3 [pid 5780] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5780] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5777] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5775] <... futex resumed>) = 0 [pid 5786] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5785] <... prctl resumed>) = 0 [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] <... futex resumed>) = 0 [pid 5775] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5779] <... futex resumed>) = 0 [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] <... futex resumed>) = 1 [pid 5780] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5779] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5775] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5784] ioctl(4, LOOP_SET_FD, 3 [pid 5780] <... futex resumed>) = 1 [pid 5779] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = 0 [pid 5784] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5780] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] <... futex resumed>) = 1 [pid 5777] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... futex resumed>) = 0 [pid 5784] close(4 [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5779] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5777] <... futex resumed>) = 0 [pid 5784] <... close resumed>) = 0 [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] close(3 [pid 5775] exit_group(0 [pid 5784] <... close resumed>) = 0 [pid 5780] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5775] <... exit_group resumed>) = ? [pid 5779] <... futex resumed>) = ? [pid 5784] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5780] <... openat resumed>) = 3 [pid 5784] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5787 attached [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] <... futex resumed>) = 0 [pid 5787] set_robust_list(0x7fc4ee1839e0, 24 [pid 5784] fspick(AT_FDCWD, ".", 0 [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... set_robust_list resumed>) = 0 [pid 5784] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5787] memfd_create("syzkaller", 0 [pid 5784] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] +++ exited with 0 +++ [pid 5775] +++ exited with 0 +++ [pid 5787] <... memfd_create resumed>) = 3 [pid 5784] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5780] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5775, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5784] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5785] setpgid(0, 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5787] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5786] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] <... futex resumed>) = 0 [pid 5780] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] <... setpgid resumed>) = 0 [pid 5777] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5787] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5786] <... write resumed>) = 262144 [pid 5784] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] <... futex resumed>) = 0 [pid 5787] <... write resumed>) = 262144 [pid 5786] munmap(0x7fc4e5d63000, 262144 [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5784] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5780] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5777] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... openat resumed>) = 3 [pid 5784] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5785] write(3, "1000", 4 [pid 5784] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5780] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5785] <... write resumed>) = 4 [pid 5784] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 1 [pid 5777] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5787] munmap(0x7fc4e5d63000, 262144 [pid 5785] close(3 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] <... futex resumed>) = 0 [pid 5780] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5777] exit_group(0 [pid 5002] <... ioctl resumed>) = 0 [pid 5787] <... munmap resumed>) = 0 [pid 5786] <... munmap resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5784] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] <... futex resumed>) = ? [pid 5777] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5787] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5786] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... openat resumed>) = 3 [pid 5780] +++ exited with 0 +++ [pid 5777] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 5787] <... openat resumed>) = 4 [pid 5786] <... openat resumed>) = 4 [pid 5785] <... futex resumed>) = 0 [pid 5784] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5787] ioctl(4, LOOP_SET_FD, 3 [pid 5786] ioctl(4, LOOP_SET_FD, 3 [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5784] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5787] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5786] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5785] <... mmap resumed>) = 0x7fc4ee163000 [pid 5784] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5788 [pid 5787] ioctl(4, LOOP_CLR_FD [pid 5786] ioctl(4, LOOP_CLR_FD [pid 5785] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5781] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5787] <... ioctl resumed>) = 0 [pid 5786] <... ioctl resumed>) = 0 [pid 5784] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5781] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... mprotect resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5785] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5784] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... ioctl resumed>) = 0 [pid 5784] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5785] <... clone resumed>, parent_tid=[5789], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5789 [pid 5784] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5785] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] exit_group(0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5785] <... futex resumed>) = 0 [pid 5784] <... futex resumed>) = ? [pid 5781] <... exit_group resumed>) = ? [pid 5787] ioctl(4, LOOP_SET_FD, 3 [pid 5786] ioctl(4, LOOP_SET_FD, 3 [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5784] +++ exited with 0 +++ [pid 5781] +++ exited with 0 +++ [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5790 [pid 5787] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5786] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5789 attached [pid 5787] close(4 [pid 5786] close(4 [pid 5789] set_robust_list(0x7fc4ee1839e0, 24 [pid 5787] <... close resumed>) = 0 [pid 5786] <... close resumed>) = 0 [pid 5787] close(3 [pid 5786] close(3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5789] <... set_robust_list resumed>) = 0 [pid 5787] <... close resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5787] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5787] <... futex resumed>) = 1 [pid 5783] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5787] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... close resumed>) = 0 [pid 5783] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5789] memfd_create("syzkaller", 0 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5787] fspick(AT_FDCWD, ".", 0 [pid 5786] <... futex resumed>) = 1 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] <... memfd_create resumed>) = 3 [pid 5787] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5786] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5791 ./strace-static-x86_64: Process 5790 attached ./strace-static-x86_64: Process 5788 attached [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] fspick(AT_FDCWD, ".", 0 [pid 5783] <... futex resumed>) = 0 [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] set_robust_list(0x5555563db5e0, 24 [pid 5789] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5788] set_robust_list(0x5555563db5e0, 24 [pid 5787] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5783] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... set_robust_list resumed>) = 0 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5787] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5786] <... futex resumed>) = 1 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] <... futex resumed>) = 0 [pid 5790] <... prctl resumed>) = 0 [pid 5787] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5786] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] setpgid(0, 0 [pid 5787] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... futex resumed>) = 0 [pid 5790] <... setpgid resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5783] <... futex resumed>) = 0 [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5791 attached [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5787] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5783] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] set_robust_list(0x5555563db5e0, 24 [pid 5790] <... openat resumed>) = 3 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 5791] <... set_robust_list resumed>) = 0 [pid 5790] write(3, "1000", 4 [pid 5787] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5786] <... futex resumed>) = 1 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] <... futex resumed>) = 0 [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5790] <... write resumed>) = 4 [pid 5789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] <... openat resumed>) = 3 [pid 5786] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... prctl resumed>) = 0 [pid 5790] close(3 [pid 5787] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] <... futex resumed>) = 0 [pid 5791] setpgid(0, 0 [pid 5790] <... close resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5783] <... futex resumed>) = 0 [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] <... setpgid resumed>) = 0 [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... openat resumed>) = 3 [pid 5783] <... futex resumed>) = 0 [pid 5791] <... openat resumed>) = 3 [pid 5790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5787] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5786] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] write(3, "1000", 4 [pid 5790] <... mmap resumed>) = 0x7fc4ee163000 [pid 5788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5787] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5786] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 5791] <... write resumed>) = 4 [pid 5790] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5788] <... prctl resumed>) = 0 [pid 5787] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] close(3 [pid 5790] <... mprotect resumed>) = 0 [pid 5788] setpgid(0, 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] <... futex resumed>) = 0 [pid 5782] <... futex resumed>) = 0 [pid 5791] <... close resumed>) = 0 [pid 5790] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5789] <... write resumed>) = 262144 [pid 5788] <... setpgid resumed>) = 0 [pid 5787] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5783] exit_group(0 [pid 5782] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... futex resumed>) = ? [pid 5786] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5783] <... exit_group resumed>) = ? [pid 5789] munmap(0x7fc4e5d63000, 262144 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... clone resumed>, parent_tid=[5792], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5792 [pid 5788] <... openat resumed>) = 3 [pid 5787] +++ exited with 0 +++ [pid 5786] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] +++ exited with 0 +++ [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5790] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] write(3, "1000", 4 [pid 5786] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5791] <... mmap resumed>) = 0x7fc4ee163000 [pid 5790] <... futex resumed>) = 0 [pid 5789] <... munmap resumed>) = 0 [pid 5788] <... write resumed>) = 4 [pid 5786] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] exit_group(0 [pid 5791] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5789] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5788] close(3 [pid 5786] <... futex resumed>) = ? [pid 5782] <... exit_group resumed>) = ? [pid 5791] <... mprotect resumed>) = 0 [pid 5786] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5791] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5791] <... clone resumed>, parent_tid=[5793], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5793 [pid 5000] <... ioctl resumed>) = 0 [pid 5791] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5791] <... futex resumed>) = 0 [pid 5782] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5788] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] <... openat resumed>) = 4 [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5789] ioctl(4, LOOP_SET_FD, 3 [pid 5788] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5794 [pid 5789] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5789] ioctl(4, LOOP_CLR_FD [pid 5788] <... mmap resumed>) = 0x7fc4ee163000 [pid 5788] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5792 attached [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5792] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5792] memfd_create("syzkaller", 0 [pid 5789] <... ioctl resumed>) = 0 [pid 5788] <... mprotect resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5792] <... memfd_create resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 [pid 5788] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] close(3 [pid 5792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... close resumed>) = 0 [pid 5788] <... clone resumed>, parent_tid=[5795], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5795 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5788] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5792] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5796 [pid 5789] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5789] close(4) = 0 [pid 5789] close(3./strace-static-x86_64: Process 5793 attached [pid 5793] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5793] memfd_create("syzkaller", 0) = 3 [pid 5793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5789] <... close resumed>) = 0 [pid 5789] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5789] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5794 attached [pid 5792] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] <... futex resumed>) = 0 [pid 5789] fspick(AT_FDCWD, ".", 0 [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5794] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5789] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5795 attached ./strace-static-x86_64: Process 5796 attached [pid 5789] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5796] set_robust_list(0x5555563db5e0, 24 [pid 5795] set_robust_list(0x7fc4ee1839e0, 24 [pid 5794] <... prctl resumed>) = 0 [pid 5792] <... write resumed>) = 262144 [pid 5789] <... futex resumed>) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5795] <... set_robust_list resumed>) = 0 [pid 5794] setpgid(0, 0 [pid 5793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5789] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5795] memfd_create("syzkaller", 0 [pid 5794] <... setpgid resumed>) = 0 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] <... futex resumed>) = 0 [pid 5796] <... prctl resumed>) = 0 [pid 5795] <... memfd_create resumed>) = 3 [pid 5794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5792] munmap(0x7fc4e5d63000, 262144 [pid 5789] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5796] setpgid(0, 0 [pid 5795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5794] <... openat resumed>) = 3 [pid 5792] <... munmap resumed>) = 0 [pid 5789] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5796] <... setpgid resumed>) = 0 [pid 5795] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5794] write(3, "1000", 4 [pid 5793] <... write resumed>) = 262144 [pid 5792] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5789] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... write resumed>) = 4 [pid 5793] munmap(0x7fc4e5d63000, 262144 [pid 5792] <... openat resumed>) = 4 [pid 5789] <... futex resumed>) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5794] close(3 [pid 5793] <... munmap resumed>) = 0 [pid 5792] ioctl(4, LOOP_SET_FD, 3 [pid 5789] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... close resumed>) = 0 [pid 5793] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5792] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] <... futex resumed>) = 0 [pid 5796] <... openat resumed>) = 3 [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... openat resumed>) = 4 [pid 5792] ioctl(4, LOOP_CLR_FD [pid 5789] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] ioctl(4, LOOP_SET_FD, 3 [pid 5792] <... ioctl resumed>) = 0 [pid 5794] <... futex resumed>) = 0 [pid 5796] write(3, "1000", 4 [pid 5793] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5789] <... openat resumed>) = 3 [pid 5796] <... write resumed>) = 4 [pid 5794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5793] ioctl(4, LOOP_CLR_FD [pid 5789] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... ioctl resumed>) = 0 [pid 5789] <... futex resumed>) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5794] <... mmap resumed>) = 0x7fc4ee163000 [pid 5796] close(3 [pid 5789] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... close resumed>) = 0 [pid 5794] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] <... futex resumed>) = 0 [pid 5789] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5785] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... mprotect resumed>) = 0 [pid 5789] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] ioctl(4, LOOP_SET_FD, 3 [pid 5789] <... futex resumed>) = 1 [pid 5785] <... futex resumed>) = 0 [pid 5796] <... futex resumed>) = 0 [pid 5794] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5792] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5789] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] exit_group(0 [pid 5792] close(4 [pid 5789] <... futex resumed>) = ? [pid 5785] <... exit_group resumed>) = ? [pid 5796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5795] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5792] <... close resumed>) = 0 [pid 5789] +++ exited with 0 +++ [pid 5793] ioctl(4, LOOP_SET_FD, 3 [pid 5792] close(3 [pid 5796] <... mmap resumed>) = 0x7fc4ee163000 [pid 5794] <... clone resumed>, parent_tid=[5797], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5797 [pid 5793] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5792] <... close resumed>) = 0 [pid 5785] +++ exited with 0 +++ [pid 5796] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5794] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] close(4 [pid 5792] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5794] <... futex resumed>) = 0 [pid 5793] <... close resumed>) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5796] <... mprotect resumed>) = 0 [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5793] close(3 [pid 5792] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5795] <... write resumed>) = 262144 [pid 5793] <... close resumed>) = 0 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5793] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] fspick(AT_FDCWD, ".", 0 [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5793] <... futex resumed>) = 1 [pid 5792] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5791] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5793] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5004] close(3./strace-static-x86_64: Process 5797 attached [pid 5796] <... clone resumed>, parent_tid=[5798], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5798 [pid 5795] munmap(0x7fc4e5d63000, 262144 [pid 5793] fspick(AT_FDCWD, ".", 0 [pid 5792] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5797] set_robust_list(0x7fc4ee1839e0, 24 [pid 5796] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5797] <... set_robust_list resumed>) = 0 [pid 5796] <... futex resumed>) = 0 [pid 5795] <... munmap resumed>) = 0 [pid 5793] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] memfd_create("syzkaller", 0 [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5795] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5793] <... futex resumed>) = 1 [pid 5792] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5791] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5799 [pid 5797] <... memfd_create resumed>) = 3 [pid 5795] <... openat resumed>) = 4 [pid 5793] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5795] ioctl(4, LOOP_SET_FD, 3 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5797] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5795] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5793] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5792] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5798 attached [pid 5797] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5795] ioctl(4, LOOP_CLR_FD [pid 5793] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5798] set_robust_list(0x7fc4ee1839e0, 24 [pid 5795] <... ioctl resumed>) = 0 [pid 5793] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... set_robust_list resumed>) = 0 [pid 5797] <... write resumed>) = 262144 [pid 5793] <... futex resumed>) = 1 [pid 5792] <... openat resumed>) = 3 [pid 5791] <... futex resumed>) = 0 [pid 5797] munmap(0x7fc4e5d63000, 262144 [pid 5793] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] memfd_create("syzkaller", 0 [pid 5797] <... munmap resumed>) = 0 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5798] <... memfd_create resumed>) = 3 [pid 5797] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5793] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5792] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5797] <... openat resumed>) = 4 [pid 5795] ioctl(4, LOOP_SET_FD, 3 [pid 5793] <... openat resumed>) = 3 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] <... futex resumed>) = 0 [pid 5798] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5797] ioctl(4, LOOP_SET_FD, 3 [pid 5795] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5793] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5790] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5795] close(4 [pid 5793] <... futex resumed>) = 1 [pid 5792] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5791] <... futex resumed>) = 0 [pid 5797] ioctl(4, LOOP_CLR_FD [pid 5795] <... close resumed>) = 0 [pid 5793] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... ioctl resumed>) = 0 [pid 5795] close(3 [pid 5793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5793] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5792] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] exit_group(0./strace-static-x86_64: Process 5799 attached [pid 5793] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5792] <... futex resumed>) = ? [pid 5790] <... exit_group resumed>) = ? [pid 5799] set_robust_list(0x5555563db5e0, 24 [pid 5798] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5795] <... close resumed>) = 0 [pid 5793] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] +++ exited with 0 +++ [pid 5790] +++ exited with 0 +++ [pid 5799] <... set_robust_list resumed>) = 0 [pid 5797] ioctl(4, LOOP_SET_FD, 3 [pid 5795] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... futex resumed>) = 1 [pid 5791] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5797] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5795] <... futex resumed>) = 1 [pid 5793] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] exit_group(0 [pid 5788] <... futex resumed>) = 0 [pid 5799] <... prctl resumed>) = 0 [pid 5797] close(4 [pid 5795] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] <... futex resumed>) = ? [pid 5791] <... exit_group resumed>) = ? [pid 5788] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] setpgid(0, 0 [pid 5798] <... write resumed>) = 262144 [pid 5797] <... close resumed>) = 0 [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] +++ exited with 0 +++ [pid 5791] +++ exited with 0 +++ [pid 5788] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5799] <... setpgid resumed>) = 0 [pid 5798] munmap(0x7fc4e5d63000, 262144 [pid 5797] close(3 [pid 5795] fspick(AT_FDCWD, ".", 0 [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... munmap resumed>) = 0 [pid 5797] <... close resumed>) = 0 [pid 5795] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5799] <... openat resumed>) = 3 [pid 5798] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5797] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5799] write(3, "1000", 4 [pid 5798] <... openat resumed>) = 4 [pid 5797] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5799] <... write resumed>) = 4 [pid 5798] ioctl(4, LOOP_SET_FD, 3 [pid 5797] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5799] close(3 [pid 5798] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5799] <... close resumed>) = 0 [pid 5798] ioctl(4, LOOP_CLR_FD [pid 5797] fspick(AT_FDCWD, ".", 0 [pid 5795] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... ioctl resumed>) = 0 [pid 5797] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5800 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5799] <... futex resumed>) = 0 [pid 5797] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5797] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5799] <... mmap resumed>) = 0x7fc4ee163000 [pid 5797] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5799] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5799] <... mprotect resumed>) = 0 [pid 5798] ioctl(4, LOOP_SET_FD, 3 [pid 5797] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5795] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5798] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5797] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5801 [pid 5798] close(4 [pid 5797] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... openat resumed>) = 3 [pid 5799] <... clone resumed>, parent_tid=[5802], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5802 [pid 5798] <... close resumed>) = 0 [pid 5797] <... futex resumed>) = 1 [pid 5795] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] <... futex resumed>) = 0 [pid 5799] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] close(3 [pid 5797] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] <... futex resumed>) = 1 [pid 5794] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] <... futex resumed>) = 0 [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5797] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... openat resumed>) = 3 [pid 5797] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... close resumed>) = 0 [pid 5797] <... futex resumed>) = 1 [pid 5795] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... futex resumed>) = 0 [pid 5788] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5794] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... futex resumed>) = 0 [pid 5798] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5796] <... futex resumed>) = 0 [pid 5795] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5794] <... futex resumed>) = 0 [pid 5788] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5797] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5796] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5794] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5797] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5796] <... futex resumed>) = 0 [pid 5795] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] fspick(AT_FDCWD, ".", 0 [pid 5797] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5795] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5798] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5797] <... futex resumed>) = 1 [pid 5795] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... futex resumed>) = 0 [pid 5788] exit_group(0./strace-static-x86_64: Process 5801 attached [pid 5798] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] exit_group(0 [pid 5795] <... futex resumed>) = ? [pid 5788] <... exit_group resumed>) = ? [pid 5801] set_robust_list(0x5555563db5e0, 24 [pid 5798] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = ? [pid 5796] <... futex resumed>) = 0 [pid 5795] +++ exited with 0 +++ [pid 5794] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5802 attached [pid 5801] <... set_robust_list resumed>) = 0 [pid 5798] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5797] +++ exited with 0 +++ [pid 5796] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] +++ exited with 0 +++ [pid 5788] +++ exited with 0 +++ [pid 5802] set_robust_list(0x7fc4ee1839e0, 24 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5796] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5802] <... set_robust_list resumed>) = 0 [pid 5801] <... prctl resumed>) = 0 [pid 5798] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] memfd_create("syzkaller", 0 [pid 5801] setpgid(0, 0 [pid 5798] <... futex resumed>) = 0 [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5802] <... memfd_create resumed>) = 3 [pid 5801] <... setpgid resumed>) = 0 [pid 5798] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5796] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5800 attached [pid 5802] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5801] <... openat resumed>) = 3 [pid 5798] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5802] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5801] write(3, "1000", 4 [pid 5800] set_robust_list(0x5555563db5e0, 24 [pid 5798] <... openat resumed>) = 3 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5802] <... write resumed>) = 262144 [pid 5801] <... write resumed>) = 4 [pid 5800] <... set_robust_list resumed>) = 0 [pid 5798] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5000] close(3 [pid 5801] close(3 [pid 5798] <... futex resumed>) = 1 [pid 5796] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5801] <... close resumed>) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5802] munmap(0x7fc4e5d63000, 262144 [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... prctl resumed>) = 0 [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5796] <... futex resumed>) = 0 [pid 5802] <... munmap resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] setpgid(0, 0 [pid 5798] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5796] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5803 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5804 [pid 5802] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5800] <... setpgid resumed>) = 0 [pid 5798] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5802] <... openat resumed>) = 4 [pid 5801] <... mmap resumed>) = 0x7fc4ee163000 [pid 5798] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] ioctl(4, LOOP_SET_FD, 3 [pid 5801] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... futex resumed>) = 1 [pid 5796] <... futex resumed>) = 0 [pid 5802] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5801] <... mprotect resumed>) = 0 [pid 5798] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5796] exit_group(0 [pid 5802] ioctl(4, LOOP_CLR_FD [pid 5801] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5800] <... openat resumed>) = 3 [pid 5802] <... ioctl resumed>) = 0 [pid 5798] <... futex resumed>) = ? [pid 5800] write(3, "1000", 4 [pid 5796] <... exit_group resumed>) = ? [pid 5801] <... clone resumed>, parent_tid=[5805], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5805 [pid 5798] +++ exited with 0 +++ [pid 5801] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5796] +++ exited with 0 +++ ./strace-static-x86_64: Process 5804 attached [pid 5800] <... write resumed>) = 4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5804] set_robust_list(0x5555563db5e0, 24 [pid 5800] close(3 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5802] ioctl(4, LOOP_SET_FD, 3 [pid 5804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] <... close resumed>) = 0 [pid 5804] <... prctl resumed>) = 0 [pid 5802] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5804] setpgid(0, 0 [pid 5802] close(4 [pid 5800] <... futex resumed>) = 0 [pid 5804] <... setpgid resumed>) = 0 [pid 5802] <... close resumed>) = 0 [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... openat resumed>) = 3 [pid 5804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5800] <... mmap resumed>) = 0x7fc4ee163000 [pid 5804] <... openat resumed>) = 3 [pid 5802] <... close resumed>) = 0 [pid 5800] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... ioctl resumed>) = 0 [pid 5804] write(3, "1000", 4 [pid 5802] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... mprotect resumed>) = 0 [pid 5001] close(3 [pid 5804] <... write resumed>) = 4 [pid 5802] <... futex resumed>) = 1 [pid 5800] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5799] <... futex resumed>) = 0 [pid 5804] close(3 [pid 5802] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5804] <... close resumed>) = 0 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5800] <... clone resumed>, parent_tid=[5806], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5806 [pid 5799] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] fspick(AT_FDCWD, ".", 0 [pid 5800] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5804] <... futex resumed>) = 0 [pid 5802] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5802] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... mmap resumed>) = 0x7fc4ee163000 [pid 5802] <... futex resumed>) = 1 [pid 5800] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5807 [pid 5804] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5802] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5799] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5803 attached [pid 5804] <... mprotect resumed>) = 0 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] <... futex resumed>) = 0 [pid 5804] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5802] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5803] set_robust_list(0x5555563db5e0, 24 [pid 5802] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5804] <... clone resumed>, parent_tid=[5808], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5808 [pid 5802] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] <... futex resumed>) = 1 [pid 5799] <... futex resumed>) = 0 [pid 5804] <... futex resumed>) = 0 [pid 5802] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] <... futex resumed>) = 0 [pid 5802] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5807 attached ./strace-static-x86_64: Process 5806 attached ./strace-static-x86_64: Process 5805 attached [pid 5803] <... set_robust_list resumed>) = 0 [pid 5802] <... openat resumed>) = 3 [pid 5807] set_robust_list(0x5555563db5e0, 24 [pid 5806] set_robust_list(0x7fc4ee1839e0, 24 [pid 5805] set_robust_list(0x7fc4ee1839e0, 24 [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5802] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5803] <... prctl resumed>) = 0 [pid 5802] <... futex resumed>) = 1 [pid 5799] <... futex resumed>) = 0 [pid 5807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5805] memfd_create("syzkaller", 0 [pid 5803] setpgid(0, 0 [pid 5802] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... prctl resumed>) = 0 [pid 5806] memfd_create("syzkaller", 0 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] <... futex resumed>) = 0 [pid 5807] setpgid(0, 0 [pid 5805] <... memfd_create resumed>) = 3 [pid 5803] <... setpgid resumed>) = 0 [pid 5802] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5799] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... setpgid resumed>) = 0 [pid 5802] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5806] <... memfd_create resumed>) = 3 [pid 5805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... openat resumed>) = 3 [pid 5806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5805] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5803] <... openat resumed>) = 3 [pid 5802] <... futex resumed>) = 1 [pid 5799] <... futex resumed>) = 0 [pid 5807] write(3, "1000", 4 [pid 5802] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] exit_group(0 [pid 5807] <... write resumed>) = 4 [pid 5806] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5803] write(3, "1000", 4 [pid 5802] <... futex resumed>) = ? [pid 5799] <... exit_group resumed>) = ? [pid 5807] close(3 [pid 5805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5803] <... write resumed>) = 4 [pid 5802] +++ exited with 0 +++ [pid 5799] +++ exited with 0 +++ ./strace-static-x86_64: Process 5808 attached [pid 5807] <... close resumed>) = 0 [pid 5808] set_robust_list(0x7fc4ee1839e0, 24 [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5808] <... set_robust_list resumed>) = 0 [pid 5807] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5808] memfd_create("syzkaller", 0 [pid 5807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5808] <... memfd_create resumed>) = 3 [pid 5807] <... mmap resumed>) = 0x7fc4ee163000 [pid 5808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5807] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5808] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5807] <... mprotect resumed>) = 0 [pid 5806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5803] close(3 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5807] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5805] <... write resumed>) = 262144 [pid 5803] <... close resumed>) = 0 [pid 5806] <... write resumed>) = 262144 [pid 5805] munmap(0x7fc4e5d63000, 262144 [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... clone resumed>, parent_tid=[5809], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5809 [pid 5803] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5807] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] munmap(0x7fc4e5d63000, 262144 [pid 5803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... openat resumed>) = 3 [pid 5807] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5803] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5803] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... close resumed>) = 0 [pid 5806] <... munmap resumed>) = 0 [pid 5803] <... mprotect resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5806] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5805] <... munmap resumed>) = 0 [pid 5803] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5810 [pid 5808] <... write resumed>) = 262144 [pid 5806] <... openat resumed>) = 4 [pid 5805] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5803] <... clone resumed>, parent_tid=[5811], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5811 [pid 5805] <... openat resumed>) = 4 [pid 5806] ioctl(4, LOOP_SET_FD, 3 [pid 5803] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] ioctl(4, LOOP_SET_FD, 3 [pid 5808] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5806] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5805] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5803] <... futex resumed>) = 0 [pid 5808] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5805] ioctl(4, LOOP_CLR_FD [pid 5806] ioctl(4, LOOP_CLR_FD [pid 5808] <... openat resumed>) = 4 [pid 5806] <... ioctl resumed>) = 0 [pid 5805] <... ioctl resumed>) = 0 [pid 5808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5808] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5809 attached [pid 5809] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5809] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5811 attached [pid 5806] ioctl(4, LOOP_SET_FD, 3 [pid 5805] ioctl(4, LOOP_SET_FD, 3 [pid 5811] set_robust_list(0x7fc4ee1839e0, 24 [pid 5809] <... memfd_create resumed>) = 3 [pid 5806] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5805] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5808] ioctl(4, LOOP_SET_FD, 3 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5809] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5808] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5806] close(4 [pid 5805] close(4./strace-static-x86_64: Process 5810 attached [pid 5811] memfd_create("syzkaller", 0 [pid 5808] close(4 [pid 5806] <... close resumed>) = 0 [pid 5805] <... close resumed>) = 0 [pid 5808] <... close resumed>) = 0 [pid 5806] close(3 [pid 5805] close(3 [pid 5809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5808] close(3 [pid 5806] <... close resumed>) = 0 [pid 5811] <... memfd_create resumed>) = 3 [pid 5808] <... close resumed>) = 0 [pid 5806] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... close resumed>) = 0 [pid 5810] set_robust_list(0x5555563db5e0, 24 [pid 5808] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = 1 [pid 5800] <... futex resumed>) = 0 [pid 5811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5808] <... futex resumed>) = 1 [pid 5806] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... futex resumed>) = 1 [pid 5804] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5808] fspick(AT_FDCWD, ".", 0 [pid 5805] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... futex resumed>) = 0 [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5804] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 1 [pid 5811] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5809] <... write resumed>) = 262144 [pid 5808] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] fspick(AT_FDCWD, ".", 0 [pid 5805] fspick(AT_FDCWD, ".", 0 [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] munmap(0x7fc4e5d63000, 262144 [pid 5808] <... futex resumed>) = 0 [pid 5806] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] <... munmap resumed>) = 0 [pid 5808] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 1 [pid 5805] <... futex resumed>) = 1 [pid 5804] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] <... prctl resumed>) = 0 [pid 5809] <... openat resumed>) = 4 [pid 5808] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5806] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] ioctl(4, LOOP_SET_FD, 3 [pid 5808] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] setpgid(0, 0 [pid 5809] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5808] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5805] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] ioctl(4, LOOP_CLR_FD [pid 5808] <... futex resumed>) = 1 [pid 5806] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5804] <... futex resumed>) = 0 [pid 5811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5810] <... setpgid resumed>) = 0 [pid 5809] <... ioctl resumed>) = 0 [pid 5808] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 1 [pid 5805] <... futex resumed>) = 1 [pid 5804] <... futex resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5806] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... openat resumed>) = 3 [pid 5808] <... openat resumed>) = 3 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] write(3, "1000", 4 [pid 5809] ioctl(4, LOOP_SET_FD, 3 [pid 5808] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5805] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5808] <... futex resumed>) = 1 [pid 5806] <... openat resumed>) = 3 [pid 5804] <... futex resumed>) = 0 [pid 5809] close(4 [pid 5808] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... openat resumed>) = 3 [pid 5806] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... write resumed>) = 4 [pid 5809] <... close resumed>) = 0 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 1 [pid 5805] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5810] close(3 [pid 5809] close(3 [pid 5808] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5806] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... futex resumed>) = 1 [pid 5804] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] <... futex resumed>) = 0 [pid 5800] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... close resumed>) = 0 [pid 5809] <... close resumed>) = 0 [pid 5808] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5805] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 5811] <... write resumed>) = 262144 [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... futex resumed>) = 0 [pid 5800] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] munmap(0x7fc4e5d63000, 262144 [pid 5810] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5808] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5806] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5805] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5804] <... futex resumed>) = 0 [pid 5801] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5809] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5804] exit_group(0 [pid 5810] <... mmap resumed>) = 0x7fc4ee163000 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] <... futex resumed>) = ? [pid 5807] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = 1 [pid 5805] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... exit_group resumed>) = ? [pid 5800] <... futex resumed>) = 0 [pid 5811] <... munmap resumed>) = 0 [pid 5810] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5809] fspick(AT_FDCWD, ".", 0 [pid 5808] +++ exited with 0 +++ [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... futex resumed>) = 1 [pid 5804] +++ exited with 0 +++ [pid 5801] <... futex resumed>) = 0 [pid 5800] exit_group(0 [pid 5811] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5810] <... mprotect resumed>) = 0 [pid 5809] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... futex resumed>) = ? [pid 5805] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] exit_group(0 [pid 5800] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5811] <... openat resumed>) = 4 [pid 5810] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5809] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] +++ exited with 0 +++ [pid 5805] <... futex resumed>) = ? [pid 5801] <... exit_group resumed>) = ? [pid 5811] ioctl(4, LOOP_SET_FD, 3 [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5805] +++ exited with 0 +++ [pid 5801] +++ exited with 0 +++ [pid 5800] +++ exited with 0 +++ [pid 5811] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5810] <... clone resumed>, parent_tid=[5812], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5812 [pid 5809] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5811] ioctl(4, LOOP_CLR_FD [pid 5810] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5811] <... ioctl resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5809] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5809] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5809] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5809] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5811] ioctl(4, LOOP_SET_FD, 3 [pid 5809] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5813 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5811] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5809] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5812 attached [pid 5811] close(4 [pid 5809] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 4999] close(3 [pid 5812] set_robust_list(0x7fc4ee1839e0, 24 [pid 5811] <... close resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] close(3 [pid 5809] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5812] memfd_create("syzkaller", 0 [pid 5811] <... close resumed>) = 0 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... futex resumed>) = 0 [pid 5812] <... memfd_create resumed>) = 3 [pid 5811] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5807] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5814 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5815 [pid 5812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5811] <... futex resumed>) = 1 [pid 5809] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5803] <... futex resumed>) = 0 [pid 5812] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5811] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] <... futex resumed>) = 1 [pid 5807] <... futex resumed>) = 0 [pid 5803] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5813 attached [pid 5811] fspick(AT_FDCWD, ".", 0 [pid 5809] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5807] exit_group(0 [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5809] <... futex resumed>) = ? [pid 5807] <... exit_group resumed>) = ? [pid 5813] set_robust_list(0x5555563db5e0, 24 [pid 5812] <... write resumed>) = 262144 [pid 5811] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] +++ exited with 0 +++ [pid 5807] +++ exited with 0 +++ [pid 5812] munmap(0x7fc4e5d63000, 262144 [pid 5811] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5813] <... set_robust_list resumed>) = 0 [pid 5812] <... munmap resumed>) = 0 [pid 5811] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5815 attached [pid 5812] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 0 [pid 5815] set_robust_list(0x5555563db5e0, 24 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5812] <... openat resumed>) = 4 [pid 5811] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5815] <... set_robust_list resumed>) = 0 [pid 5812] ioctl(4, LOOP_SET_FD, 3 [pid 5811] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] <... prctl resumed>) = 0 [pid 5812] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5811] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5815] <... prctl resumed>) = 0 [pid 5812] ioctl(4, LOOP_CLR_FD [pid 5811] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5815] setpgid(0, 0 [pid 5813] setpgid(0, 0 [pid 5812] <... ioctl resumed>) = 0 [pid 5811] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5815] <... setpgid resumed>) = 0 [pid 5813] <... setpgid resumed>) = 0 [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 5815] <... openat resumed>) = 3 [pid 5815] write(3, "1000", 4 [pid 5811] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5815] <... write resumed>) = 4 [pid 5813] <... openat resumed>) = 3 [pid 5811] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5814 attached [pid 5815] close(3 [pid 5813] write(3, "1000", 4 [pid 5811] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5815] <... close resumed>) = 0 [pid 5814] set_robust_list(0x5555563db5e0, 24 [pid 5813] <... write resumed>) = 4 [pid 5812] ioctl(4, LOOP_SET_FD, 3 [pid 5811] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] close(3 [pid 5812] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 0 [pid 5815] <... futex resumed>) = 0 [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] <... close resumed>) = 0 [pid 5812] close(4 [pid 5811] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5803] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] <... prctl resumed>) = 0 [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... close resumed>) = 0 [pid 5811] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5816 [pid 5815] <... mmap resumed>) = 0x7fc4ee163000 [pid 5814] setpgid(0, 0 [pid 5813] <... futex resumed>) = 0 [pid 5812] close(3 [pid 5811] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5814] <... setpgid resumed>) = 0 [pid 5813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] <... close resumed>) = 0 [pid 5811] <... futex resumed>) = 1 [pid 5803] <... futex resumed>) = 0 [pid 5815] <... mprotect resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] <... mmap resumed>) = 0x7fc4ee163000 [pid 5812] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] exit_group(0 [pid 5815] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5814] <... openat resumed>) = 3 [pid 5813] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5812] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = ? [pid 5810] <... futex resumed>) = 0 [pid 5803] <... exit_group resumed>) = ? [pid 5814] write(3, "1000", 4 [pid 5812] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] <... mprotect resumed>) = 0 [pid 5811] +++ exited with 0 +++ [pid 5815] <... clone resumed>, parent_tid=[5817], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5817 [pid 5814] <... write resumed>) = 4 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] close(3 [pid 5812] fspick(AT_FDCWD, ".", 0 [pid 5815] <... futex resumed>) = 0 [pid 5814] <... close resumed>) = 0 [pid 5812] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] +++ exited with 0 +++ [pid 5814] <... mmap resumed>) = 0x7fc4ee163000 [pid 5810] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5816 attached [pid 5814] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5813] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5816] set_robust_list(0x5555563db5e0, 24 [pid 5814] <... mprotect resumed>) = 0 [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] <... restart_syscall resumed>) = 0 [pid 5816] <... set_robust_list resumed>) = 0 [pid 5814] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5813] <... clone resumed>, parent_tid=[5818], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5818 [pid 5810] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5816] <... prctl resumed>) = 0 [pid 5814] <... clone resumed>, parent_tid=[5819], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5819 [pid 5813] <... futex resumed>) = 0 [pid 5812] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5816] setpgid(0, 0 [pid 5814] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5812] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 3 [pid 5816] <... setpgid resumed>) = 0 [pid 5814] <... futex resumed>) = 0 [pid 5812] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5812] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5816] <... openat resumed>) = 3 [pid 5812] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5816] write(3, "1000", 4 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5818 attached [pid 5816] <... write resumed>) = 4 [pid 5812] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] set_robust_list(0x7fc4ee1839e0, 24 [pid 5816] close(3 [pid 5812] <... openat resumed>) = 3 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5812] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5820 [pid 5818] memfd_create("syzkaller", 0 [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5818] <... memfd_create resumed>) = 3 [pid 5816] <... futex resumed>) = 0 [pid 5812] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] <... futex resumed>) = 0 [pid 5818] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5816] <... mmap resumed>) = 0x7fc4ee163000 [pid 5812] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5810] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5819 attached ./strace-static-x86_64: Process 5817 attached [pid 5818] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5816] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5812] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5819] set_robust_list(0x7fc4ee1839e0, 24 [pid 5817] set_robust_list(0x7fc4ee1839e0, 24 [pid 5816] <... mprotect resumed>) = 0 [pid 5812] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5818] <... write resumed>) = 262144 [pid 5817] <... set_robust_list resumed>) = 0 [pid 5816] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5812] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5812] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] exit_group(0 [pid 5816] <... clone resumed>, parent_tid=[5821], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5821 [pid 5812] <... futex resumed>) = ? [pid 5810] <... exit_group resumed>) = ? [pid 5816] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] +++ exited with 0 +++ [pid 5816] <... futex resumed>) = 0 [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5818] munmap(0x7fc4e5d63000, 262144 [pid 5810] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5818] <... munmap resumed>) = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5817] memfd_create("syzkaller", 0 [pid 5818] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5819] memfd_create("syzkaller", 0 [pid 5818] ioctl(4, LOOP_CLR_FD [pid 5817] <... memfd_create resumed>) = 3 [pid 5819] <... memfd_create resumed>) = 3 [pid 5818] <... ioctl resumed>) = 0 [pid 5817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5819] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5817] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5818] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5822 [pid 5818] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5820 attached [pid 5818] close(4 [pid 5820] set_robust_list(0x5555563db5e0, 24 [pid 5818] <... close resumed>) = 0 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5818] close(3 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5819] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5818] <... close resumed>) = 0 [pid 5817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5820] <... prctl resumed>) = 0 [pid 5818] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] setpgid(0, 0 [pid 5818] <... futex resumed>) = 1 [pid 5813] <... futex resumed>) = 0 [pid 5820] <... setpgid resumed>) = 0 [pid 5818] fspick(AT_FDCWD, ".", 0 [pid 5813] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5813] <... futex resumed>) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5818] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] write(3, "1000", 4 [pid 5818] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... write resumed>) = 4 [pid 5818] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5813] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] close(3 [pid 5818] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5813] <... futex resumed>) = 0 [pid 5820] <... close resumed>) = 0 [pid 5818] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... futex resumed>) = 0 [pid 5818] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] <... futex resumed>) = 0 [pid 5820] <... mmap resumed>) = 0x7fc4ee163000 [pid 5818] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5819] <... write resumed>) = 262144 [pid 5818] <... openat resumed>) = 3 [pid 5817] <... write resumed>) = 262144 [pid 5820] <... mprotect resumed>) = 0 [pid 5818] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] munmap(0x7fc4e5d63000, 262144 [pid 5820] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5818] <... futex resumed>) = 1 [pid 5817] munmap(0x7fc4e5d63000, 262144 [pid 5813] <... futex resumed>) = 0 [pid 5818] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... clone resumed>, parent_tid=[5823], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5823 [pid 5818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] <... futex resumed>) = 0 [pid 5820] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5813] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5820] <... futex resumed>) = 0 [pid 5819] <... munmap resumed>) = 0 [pid 5818] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5817] <... munmap resumed>) = 0 [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5819] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5818] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5818] <... futex resumed>) = 1 [pid 5813] <... futex resumed>) = 0 [pid 5819] <... openat resumed>) = 4 [pid 5818] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] exit_group(0 [pid 5819] ioctl(4, LOOP_SET_FD, 3 [pid 5818] <... futex resumed>) = ? [pid 5817] <... openat resumed>) = 4 [pid 5813] <... exit_group resumed>) = ? [pid 5818] +++ exited with 0 +++ ./strace-static-x86_64: Process 5823 attached [pid 5823] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5813] +++ exited with 0 +++ [pid 5817] ioctl(4, LOOP_SET_FD, 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5819] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5823] memfd_create("syzkaller", 0 [pid 5819] ioctl(4, LOOP_CLR_FD [pid 5817] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5822 attached ./strace-static-x86_64: Process 5821 attached [pid 5000] <... restart_syscall resumed>) = 0 [pid 5819] <... ioctl resumed>) = 0 [pid 5817] ioctl(4, LOOP_CLR_FD) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5824 [pid 5819] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5817] ioctl(4, LOOP_SET_FD, 3 [pid 5819] close(4 [pid 5817] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5823] <... memfd_create resumed>) = 3 [pid 5819] <... close resumed>) = 0 [pid 5817] close(4 [pid 5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5819] close(3 [pid 5817] <... close resumed>) = 0 [pid 5823] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5819] <... close resumed>) = 0 [pid 5817] close(3 [pid 5819] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... close resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5817] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5819] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... futex resumed>) = 1 [pid 5815] <... futex resumed>) = 0 [pid 5814] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 5824 attached [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] fspick(AT_FDCWD, ".", 0 [pid 5814] <... futex resumed>) = 0 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5819] fspick(AT_FDCWD, ".", 0 [pid 5817] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5817] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] set_robust_list(0x5555563db5e0, 24 [pid 5821] memfd_create("syzkaller", 0 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5821] <... memfd_create resumed>) = 3 [pid 5819] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 1 [pid 5815] <... futex resumed>) = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] <... write resumed>) = 262144 [pid 5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5819] <... futex resumed>) = 1 [pid 5817] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5824] <... prctl resumed>) = 0 [pid 5822] set_robust_list(0x5555563db5e0, 24 [pid 5821] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5819] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5815] <... futex resumed>) = 0 [pid 5814] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] setpgid(0, 0 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 0 [pid 5824] <... setpgid resumed>) = 0 [pid 5823] munmap(0x7fc4e5d63000, 262144 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5819] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5817] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] <... munmap resumed>) = 0 [pid 5822] <... prctl resumed>) = 0 [pid 5819] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5817] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5822] setpgid(0, 0 [pid 5821] <... write resumed>) = 262144 [pid 5819] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 1 [pid 5815] <... futex resumed>) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] <... openat resumed>) = 4 [pid 5822] <... setpgid resumed>) = 0 [pid 5821] munmap(0x7fc4e5d63000, 262144 [pid 5819] <... futex resumed>) = 1 [pid 5817] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5815] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5824] write(3, "1000", 4 [pid 5823] ioctl(4, LOOP_SET_FD, 3 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] <... munmap resumed>) = 0 [pid 5819] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... openat resumed>) = 3 [pid 5815] <... futex resumed>) = 0 [pid 5814] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... write resumed>) = 4 [pid 5823] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5822] <... openat resumed>) = 3 [pid 5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5824] close(3 [pid 5823] ioctl(4, LOOP_CLR_FD [pid 5822] write(3, "1000", 4 [pid 5821] <... openat resumed>) = 4 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 0 [pid 5823] <... ioctl resumed>) = 0 [pid 5822] <... write resumed>) = 4 [pid 5821] ioctl(4, LOOP_SET_FD, 3 [pid 5819] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5824] <... close resumed>) = 0 [pid 5817] <... futex resumed>) = 0 [pid 5815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] close(3 [pid 5821] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... close resumed>) = 0 [pid 5821] ioctl(4, LOOP_CLR_FD [pid 5819] <... openat resumed>) = 3 [pid 5817] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... ioctl resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5815] <... futex resumed>) = 0 [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] <... mmap resumed>) = 0x7fc4ee163000 [pid 5822] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... mmap resumed>) = 0x7fc4ee163000 [pid 5823] ioctl(4, LOOP_SET_FD, 3 [pid 5822] <... mprotect resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5817] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5815] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 0 [pid 5824] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5823] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5822] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5819] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5814] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... mprotect resumed>) = 0 [pid 5823] close(4 [pid 5821] ioctl(4, LOOP_SET_FD, 3 [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5824] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5823] <... close resumed>) = 0 [pid 5822] <... clone resumed>, parent_tid=[5825], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5825 [pid 5821] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5819] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5817] <... futex resumed>) = 1 [pid 5815] <... futex resumed>) = 0 [pid 5814] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] close(3 [pid 5822] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] close(4 [pid 5819] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5817] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] exit_group(0 [pid 5824] <... clone resumed>, parent_tid=[5826], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5826 [pid 5823] <... close resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5821] <... close resumed>) = 0 [pid 5819] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5821] close(3 [pid 5824] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... futex resumed>) = 1 [pid 5821] <... close resumed>) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = ? [pid 5815] <... exit_group resumed>) = ? [pid 5814] <... futex resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5823] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] +++ exited with 0 +++ [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5823] fspick(AT_FDCWD, ".", 0 [pid 5821] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5815] +++ exited with 0 +++ [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5823] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] fspick(AT_FDCWD, ".", 0 [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] exit_group(0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5823] <... futex resumed>) = 1 [pid 5821] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5820] <... futex resumed>) = 0 [pid 5819] <... futex resumed>) = ? [pid 5814] <... exit_group resumed>) = ? [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5823] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] +++ exited with 0 +++ [pid 4999] <... restart_syscall resumed>) = 0 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5823] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5821] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5814] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5823] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5826 attached [pid 5823] <... futex resumed>) = 1 [pid 5821] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5820] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5826] set_robust_list(0x7fc4ee1839e0, 24 [pid 5823] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 4999] <... ioctl resumed>) = 0 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 4999] close(3 [pid 5826] memfd_create("syzkaller", 0 [pid 5823] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5821] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5826] <... memfd_create resumed>) = 3 [pid 5823] <... openat resumed>) = 3 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5823] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5823] <... futex resumed>) = 1 [pid 5821] <... openat resumed>) = 3 [pid 5820] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5827 ./strace-static-x86_64: Process 5825 attached [pid 5826] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5823] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5825] set_robust_list(0x7fc4ee1839e0, 24 [pid 5823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5826] <... write resumed>) = 262144 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5823] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5821] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5826] munmap(0x7fc4e5d63000, 262144 [pid 5825] memfd_create("syzkaller", 0 [pid 5823] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5826] <... munmap resumed>) = 0 [pid 5825] <... memfd_create resumed>) = 3 [pid 5823] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5816] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached [pid 5826] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5823] <... futex resumed>) = 1 [pid 5821] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5820] <... futex resumed>) = 0 [pid 5826] <... openat resumed>) = 4 [pid 5825] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5823] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5821] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] exit_group(0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5828 [pid 5827] set_robust_list(0x5555563db5e0, 24 [pid 5826] ioctl(4, LOOP_SET_FD, 3 [pid 5823] <... futex resumed>) = ? [pid 5821] <... futex resumed>) = 1 [pid 5820] <... exit_group resumed>) = ? [pid 5816] <... futex resumed>) = 0 [pid 5826] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5825] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5823] +++ exited with 0 +++ [pid 5821] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] +++ exited with 0 +++ [pid 5816] exit_group(0 [pid 5826] ioctl(4, LOOP_CLR_FD [pid 5821] <... futex resumed>) = ? [pid 5816] <... exit_group resumed>) = ? [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... ioctl resumed>) = 0 [pid 5825] <... write resumed>) = 262144 [pid 5821] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... restart_syscall resumed>) = 0 [pid 5827] <... prctl resumed>) = 0 [pid 5825] munmap(0x7fc4e5d63000, 262144 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5825] <... munmap resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 5827] setpgid(0, 0 [pid 5826] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 5827] <... setpgid resumed>) = 0 [pid 5826] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5825] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] close(3 [pid 5001] <... close resumed>) = 0 [pid 5826] close(4 [pid 5002] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... close resumed>) = 0 [pid 5825] <... openat resumed>) = 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... openat resumed>) = 3 [pid 5826] close(3 [pid 5825] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5829 [pid 5827] write(3, "1000", 4 [pid 5826] <... close resumed>) = 0 [pid 5825] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5830 [pid 5826] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... write resumed>) = 4 [pid 5826] <... futex resumed>) = 1 [pid 5825] ioctl(4, LOOP_CLR_FD [pid 5824] <... futex resumed>) = 0 [pid 5826] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] <... ioctl resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5826] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] close(3 [pid 5826] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] <... futex resumed>) = 0 [pid 5824] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5824] <... futex resumed>) = 0 [pid 5827] <... close resumed>) = 0 [pid 5826] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... futex resumed>) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5825] ioctl(4, LOOP_SET_FD, 3 [pid 5824] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5825] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5824] <... futex resumed>) = 0 [pid 5827] <... mmap resumed>) = 0x7fc4ee163000 [pid 5826] <... openat resumed>) = 3 [pid 5825] close(4 [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5829 attached [pid 5826] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] <... close resumed>) = 0 [pid 5827] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5829] set_robust_list(0x5555563db5e0, 24 [pid 5826] <... futex resumed>) = 0 [pid 5824] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5826] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5827] <... mprotect resumed>) = 0 [pid 5825] close(3 [pid 5824] <... futex resumed>) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5824] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... prctl resumed>) = 0 [pid 5826] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5830 attached [pid 5829] setpgid(0, 0 [pid 5826] <... futex resumed>) = 0 [pid 5824] exit_group(0 [pid 5830] set_robust_list(0x5555563db5e0, 24 [pid 5829] <... setpgid resumed>) = 0 [pid 5827] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5825] <... close resumed>) = 0 [pid 5824] <... exit_group resumed>) = ? [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] +++ exited with 0 +++ [pid 5825] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... openat resumed>) = 3 [pid 5830] <... prctl resumed>) = 0 [pid 5829] write(3, "1000", 4 [pid 5830] setpgid(0, 0 [pid 5829] <... write resumed>) = 4 [pid 5827] <... clone resumed>, parent_tid=[5831], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5831 [pid 5825] <... futex resumed>) = 1 [pid 5824] +++ exited with 0 +++ [pid 5822] <... futex resumed>) = 0 [pid 5830] <... setpgid resumed>) = 0 [pid 5829] close(3 [pid 5827] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... close resumed>) = 0 [pid 5827] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5825] fspick(AT_FDCWD, ".", 0 [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5830] write(3, "1000", 4 [pid 5829] <... futex resumed>) = 0 [pid 5825] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5828 attached [pid 5830] <... write resumed>) = 4 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] close(3 [pid 5829] <... mmap resumed>) = 0x7fc4ee163000 [pid 5825] <... futex resumed>) = 1 [pid 5822] <... futex resumed>) = 0 [pid 5828] set_robust_list(0x5555563db5e0, 24 [pid 5830] <... close resumed>) = 0 [pid 5829] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5825] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... mprotect resumed>) = 0 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5830] <... futex resumed>) = 0 [pid 5829] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5825] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5825] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x7fc4ee163000 [pid 5829] <... clone resumed>, parent_tid=[5832], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5832 [pid 5825] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5830] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5829] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... prctl resumed>) = 0 [pid 5825] <... futex resumed>) = 1 [pid 5822] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5830] <... mprotect resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5825] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached [pid 5830] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] setpgid(0, 0 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5831] set_robust_list(0x7fc4ee1839e0, 24 [pid 5828] <... setpgid resumed>) = 0 [pid 5825] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5833 [pid 5830] <... clone resumed>, parent_tid=[5834], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5834 [pid 5825] <... openat resumed>) = 3 [pid 5830] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5825] <... futex resumed>) = 1 [pid 5822] <... futex resumed>) = 0 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] write(3, "1000", 4 [pid 5825] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... write resumed>) = 4 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] <... futex resumed>) = 0 [pid 5828] close(3 [pid 5825] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5822] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] memfd_create("syzkaller", 0 [pid 5828] <... close resumed>) = 0 [pid 5825] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5831] <... memfd_create resumed>) = 3 [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] <... futex resumed>) = 0 [pid 5825] <... futex resumed>) = 1 [pid 5822] <... futex resumed>) = 0 [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5822] exit_group(0 [pid 5828] <... mmap resumed>) = 0x7fc4ee163000 [pid 5825] <... futex resumed>) = ? [pid 5822] <... exit_group resumed>) = ? [pid 5831] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5828] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5825] +++ exited with 0 +++ [pid 5822] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5828] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5832] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3./strace-static-x86_64: Process 5834 attached ) = 0 [pid 5834] set_robust_list(0x7fc4ee1839e0, 24 [pid 5832] memfd_create("syzkaller", 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... set_robust_list resumed>) = 0 [pid 5832] <... memfd_create resumed>) = 3 [pid 5831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5834] memfd_create("syzkaller", 0 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] <... clone resumed>, parent_tid=[5835], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5835 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5836 [pid 5834] <... memfd_create resumed>) = 3 [pid 5832] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5828] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... write resumed>) = 262144 [pid 5828] <... futex resumed>) = 0 [pid 5834] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5831] munmap(0x7fc4e5d63000, 262144 [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5833 attached [pid 5831] <... munmap resumed>) = 0 [pid 5833] set_robust_list(0x5555563db5e0, 24 [pid 5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] <... write resumed>) = 262144 [pid 5831] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5835 attached [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] ioctl(4, LOOP_SET_FD, 3 [pid 5835] set_robust_list(0x7fc4ee1839e0, 24 [pid 5831] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... prctl resumed>) = 0 [pid 5831] ioctl(4, LOOP_CLR_FD [pid 5833] setpgid(0, 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... write resumed>) = 262144 [pid 5833] <... setpgid resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5832] munmap(0x7fc4e5d63000, 262144 [pid 5835] memfd_create("syzkaller", 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 5836 attached [pid 5835] <... memfd_create resumed>) = 3 [pid 5834] <... munmap resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5836] set_robust_list(0x5555563db5e0, 24 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] write(3, "1000", 4 [pid 5832] <... munmap resumed>) = 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... write resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5831] ioctl(4, LOOP_SET_FD, 3 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5834] <... openat resumed>) = 4 [pid 5833] close(3 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] <... prctl resumed>) = 0 [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5836] setpgid(0, 0 [pid 5833] <... close resumed>) = 0 [pid 5831] close(4 [pid 5836] <... setpgid resumed>) = 0 [pid 5834] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] ioctl(4, LOOP_CLR_FD [pid 5833] <... futex resumed>) = 0 [pid 5832] ioctl(4, LOOP_CLR_FD [pid 5831] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5834] <... ioctl resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 [pid 5833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... close resumed>) = 0 [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5831] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mmap resumed>) = 0x7fc4ee163000 [pid 5836] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5833] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... futex resumed>) = 1 [pid 5827] <... futex resumed>) = 0 [pid 5836] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... mprotect resumed>) = 0 [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5831] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5834] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5832] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, parent_tid=[5837], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5837 [pid 5834] close(4 [pid 5832] close(4 [pid 5831] fspick(AT_FDCWD, ".", 0 [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = 0 [pid 5833] <... clone resumed>, parent_tid=[5838], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5838 [pid 5832] <... close resumed>) = 0 [pid 5831] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... futex resumed>) = 0 [pid 5834] close(3 [pid 5833] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] close(3./strace-static-x86_64: Process 5837 attached [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5835] <... write resumed>) = 262144 [pid 5834] <... close resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] set_robust_list(0x7fc4ee1839e0, 24 [pid 5835] munmap(0x7fc4e5d63000, 262144 [pid 5834] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = 1 [pid 5827] <... futex resumed>) = 0 [pid 5835] <... munmap resumed>) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5831] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5827] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] memfd_create("syzkaller", 0 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5831] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5835] <... openat resumed>) = 4 [pid 5829] <... futex resumed>) = 0 [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5838 attached [pid 5834] fspick(AT_FDCWD, ".", 0 [pid 5832] fspick(AT_FDCWD, ".", 0 [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] set_robust_list(0x7fc4ee1839e0, 24 [pid 5834] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... set_robust_list resumed>) = 0 [pid 5834] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] memfd_create("syzkaller", 0 [pid 5837] <... memfd_create resumed>) = 3 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5831] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5838] <... memfd_create resumed>) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5835] ioctl(4, LOOP_CLR_FD [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5827] <... futex resumed>) = 0 [pid 5838] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5835] <... ioctl resumed>) = 0 [pid 5834] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5832] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5831] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5834] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... futex resumed>) = 0 [pid 5834] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... write resumed>) = 262144 [pid 5837] <... write resumed>) = 262144 [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5838] munmap(0x7fc4e5d63000, 262144 [pid 5837] munmap(0x7fc4e5d63000, 262144 [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5834] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... openat resumed>) = 3 [pid 5830] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... munmap resumed>) = 0 [pid 5837] <... munmap resumed>) = 0 [pid 5835] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] close(4 [pid 5834] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5832] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5831] <... futex resumed>) = 1 [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... futex resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5838] <... openat resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5831] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5827] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5835] close(3 [pid 5834] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... futex resumed>) = 0 [pid 5838] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... openat resumed>) = 4 [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5838] ioctl(4, LOOP_CLR_FD [pid 5834] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... ioctl resumed>) = 0 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... close resumed>) = 0 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5827] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5832] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5831] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5830] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] ioctl(4, LOOP_CLR_FD [pid 5835] <... futex resumed>) = 1 [pid 5834] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5832] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5831] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = 1 [pid 5828] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = 0 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = 1 [pid 5831] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5827] exit_group(0 [pid 5838] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] fspick(AT_FDCWD, ".", 0 [pid 5834] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] <... futex resumed>) = ? [pid 5830] exit_group(0 [pid 5829] exit_group(0 [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... exit_group resumed>) = ? [pid 5838] close(4 [pid 5835] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... futex resumed>) = ? [pid 5832] <... futex resumed>) = ? [pid 5831] +++ exited with 0 +++ [pid 5830] <... exit_group resumed>) = ? [pid 5829] <... exit_group resumed>) = ? [pid 5838] <... close resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] +++ exited with 0 +++ [pid 5832] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5827] +++ exited with 0 +++ [pid 5838] close(3 [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5835] <... futex resumed>) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... close resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] <... futex resumed>) = 1 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... openat resumed>) = 3 [pid 5838] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 5835] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... futex resumed>) = 0 [pid 5828] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5001] close(3 [pid 4999] <... close resumed>) = 0 [pid 5837] close(4 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... futex resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5833] <... futex resumed>) = 1 [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] fspick(AT_FDCWD, ".", 0 [pid 5837] close(3 [pid 5835] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5839 [pid 5838] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5840 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5841 [pid 5838] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5841 attached [pid 5837] <... close resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5837] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... futex resumed>) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5838] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5837] fspick(AT_FDCWD, ".", 0 [pid 5836] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... futex resumed>) = 0 [pid 5838] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... openat resumed>) = 3 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5837] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 1 [pid 5833] <... futex resumed>) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... futex resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5837] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5835] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5833] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5837] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5833] <... futex resumed>) = 0 [pid 5841] set_robust_list(0x5555563db5e0, 24 [pid 5838] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5837] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... set_robust_list resumed>) = 0 [pid 5838] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 1 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... futex resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] exit_group(0 [pid 5828] exit_group(0./strace-static-x86_64: Process 5840 attached [pid 5841] <... prctl resumed>) = 0 [pid 5837] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... futex resumed>) = ? [pid 5833] <... exit_group resumed>) = ? [pid 5828] <... exit_group resumed>) = ? [pid 5841] setpgid(0, 0 [pid 5840] set_robust_list(0x5555563db5e0, 24 [pid 5838] +++ exited with 0 +++ [pid 5837] <... openat resumed>) = 3 [pid 5835] +++ exited with 0 +++ [pid 5841] <... setpgid resumed>) = 0 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... openat resumed>) = 3 [pid 5840] <... prctl resumed>) = 0 [pid 5841] write(3, "1000", 4 [pid 5840] setpgid(0, 0 [pid 5833] +++ exited with 0 +++ [pid 5841] <... write resumed>) = 4 [pid 5840] <... setpgid resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5828] +++ exited with 0 +++ [pid 5000] <... restart_syscall resumed>) = 0 [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] write(3, "1000", 4 [pid 5837] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5841] <... futex resumed>) = 0 [pid 5840] <... write resumed>) = 4 [pid 5837] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] close(3 [pid 5837] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5841] <... mmap resumed>) = 0x7fc4ee163000 [pid 5840] <... close resumed>) = 0 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5841] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5836] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5841] <... mprotect resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5837] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5841] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5000] close(3 [pid 5840] <... mmap resumed>) = 0x7fc4ee163000 [pid 5837] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... close resumed>) = 0 [pid 5841] <... clone resumed>, parent_tid=[5842], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5842 [pid 5840] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5837] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] exit_group(0 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... mprotect resumed>) = 0 [pid 5839] set_robust_list(0x5555563db5e0, 24 [pid 5837] <... futex resumed>) = ? [pid 5836] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5841] <... futex resumed>) = 0 [pid 5840] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5837] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5843 [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... clone resumed>, parent_tid=[5844], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5844 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5836] +++ exited with 0 +++ [pid 5840] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5845 [pid 5840] <... futex resumed>) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5844 attached [pid 5844] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5839] setpgid(0, 0./strace-static-x86_64: Process 5842 attached ) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5839] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5846 ./strace-static-x86_64: Process 5843 attached [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5839] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5842] set_robust_list(0x7fc4ee1839e0, 24 [pid 5839] <... mprotect resumed>) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5842] memfd_create("syzkaller", 0 [pid 5839] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5843] set_robust_list(0x5555563db5e0, 24 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5839] <... clone resumed>, parent_tid=[5847], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5847 [pid 5839] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5843] <... prctl resumed>) = 0 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5842] <... memfd_create resumed>) = 3 [pid 5844] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5842] <... write resumed>) = 262144 [pid 5844] <... write resumed>) = 262144 [pid 5844] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5842] munmap(0x7fc4e5d63000, 262144 [pid 5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5842] <... munmap resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5844] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5844] ioctl(4, LOOP_CLR_FD [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... ioctl resumed>) = 0 [pid 5842] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] ioctl(4, LOOP_SET_FD, 3 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5844] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5842] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] <... prctl resumed>) = 0 [pid 5844] close(4 [pid 5842] close(4./strace-static-x86_64: Process 5846 attached ./strace-static-x86_64: Process 5847 attached [pid 5845] setpgid(0, 0 [pid 5844] <... close resumed>) = 0 [pid 5843] setpgid(0, 0 [pid 5842] <... close resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5844] close(3 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] close(3 [pid 5847] set_robust_list(0x7fc4ee1839e0, 24 [pid 5846] set_robust_list(0x5555563db5e0, 24 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... close resumed>) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5844] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... openat resumed>) = 3 [pid 5842] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] write(3, "1000", 4 [pid 5844] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5847] memfd_create("syzkaller", 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... write resumed>) = 4 [pid 5844] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] write(3, "1000", 4 [pid 5842] fspick(AT_FDCWD, ".", 0 [pid 5841] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] close(3 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5847] <... memfd_create resumed>) = 3 [pid 5846] <... prctl resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5844] fspick(AT_FDCWD, ".", 0 [pid 5843] <... write resumed>) = 4 [pid 5842] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] setpgid(0, 0 [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5843] close(3 [pid 5842] <... futex resumed>) = 0 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... futex resumed>) = 0 [pid 5844] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5841] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] <... futex resumed>) = 1 [pid 5843] <... close resumed>) = 0 [pid 5842] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... mmap resumed>) = 0x7fc4ee163000 [pid 5844] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... futex resumed>) = 0 [pid 5845] <... mprotect resumed>) = 0 [pid 5844] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5842] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5844] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] <... futex resumed>) = 0 [pid 5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5844] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 0 [pid 5842] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... openat resumed>) = 3 [pid 5845] <... clone resumed>, parent_tid=[5848], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5848 [pid 5844] <... futex resumed>) = 1 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... futex resumed>) = 0 [pid 5845] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... write resumed>) = 262144 [pid 5846] write(3, "1000", 4 [pid 5845] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... mmap resumed>) = 0x7fc4ee163000 [pid 5842] <... futex resumed>) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5840] <... futex resumed>) = 0 [pid 5847] munmap(0x7fc4e5d63000, 262144 [pid 5846] <... write resumed>) = 4 [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5844] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5843] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5842] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... mprotect resumed>) = 0 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] <... futex resumed>) = 0 [pid 5844] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5841] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... munmap resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5842] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5840] <... futex resumed>) = 0 [pid 5843] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... clone resumed>, parent_tid=[5849], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5849 [pid 5842] <... futex resumed>) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5847] <... openat resumed>) = 4 [pid 5840] <... futex resumed>) = 0 [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5843] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] exit_group(0 [pid 5840] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... mmap resumed>) = 0x7fc4ee163000 [pid 5844] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5843] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = ? [pid 5841] <... exit_group resumed>) = ? [pid 5847] ioctl(4, LOOP_CLR_FD [pid 5846] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5844] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5842] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5847] <... ioctl resumed>) = 0 [pid 5846] <... mprotect resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5840] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5844] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] exit_group(0 [pid 5844] <... futex resumed>) = ? [pid 5840] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, parent_tid=[5850], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5850 [pid 5844] +++ exited with 0 +++ [pid 5840] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5849 attached [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... openat resumed>) = 3 [pid 5849] set_robust_list(0x7fc4ee1839e0, 24 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5849] <... set_robust_list resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5849] memfd_create("syzkaller", 0 [pid 5847] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] close(3 [pid 5849] <... memfd_create resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 5847] close(4 [pid 5846] <... futex resumed>) = 0 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached [pid 5849] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5847] <... close resumed>) = 0 [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5848 attached [pid 5850] set_robust_list(0x7fc4ee1839e0, 24 [pid 5847] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5851 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5002] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 5847] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5847] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] memfd_create("syzkaller", 0 [pid 5848] set_robust_list(0x7fc4ee1839e0, 24 [pid 5847] <... futex resumed>) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5852 [pid 5850] <... memfd_create resumed>) = 3 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] <... write resumed>) = 262144 [pid 5848] memfd_create("syzkaller", 0 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5849] munmap(0x7fc4e5d63000, 262144 [pid 5850] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5849] <... munmap resumed>) = 0 [pid 5848] <... memfd_create resumed>) = 3 [pid 5847] fspick(AT_FDCWD, ".", 0 [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5847] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... openat resumed>) = 4 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] <... futex resumed>) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5849] ioctl(4, LOOP_SET_FD, 3 [pid 5839] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5849] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5847] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... futex resumed>) = 0 [pid 5849] ioctl(4, LOOP_CLR_FD [pid 5847] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... ioctl resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5847] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... openat resumed>) = 3 [pid 5847] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5847] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5849] ioctl(4, LOOP_SET_FD, 3 [pid 5847] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5839] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5851 attached [pid 5849] close(4 [pid 5851] set_robust_list(0x5555563db5e0, 24 [pid 5849] <... close resumed>) = 0 [pid 5847] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5849] close(3 [pid 5847] <... futex resumed>) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5849] <... close resumed>) = 0 [pid 5847] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] exit_group(0 [pid 5851] <... prctl resumed>) = 0 [pid 5849] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = ? [pid 5839] <... exit_group resumed>) = ? [pid 5851] setpgid(0, 0 [pid 5849] <... futex resumed>) = 1 [pid 5847] +++ exited with 0 +++ [pid 5843] <... futex resumed>) = 0 [pid 5851] <... setpgid resumed>) = 0 [pid 5849] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5851] <... openat resumed>) = 3 [pid 5849] fspick(AT_FDCWD, ".", 0 [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] write(3, "1000", 4 [pid 5849] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5839] +++ exited with 0 +++ [pid 5851] <... write resumed>) = 4 [pid 5849] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] close(3 [pid 5849] <... futex resumed>) = 1 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5843] <... futex resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5849] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5851] <... futex resumed>) = 0 [pid 5850] <... write resumed>) = 262144 [pid 5849] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5849] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5851] <... mmap resumed>) = 0x7fc4ee163000 [pid 5849] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5851] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5849] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5851] <... mprotect resumed>) = 0 [pid 5850] munmap(0x7fc4e5d63000, 262144 [pid 5849] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... write resumed>) = 262144 [pid 5843] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 5851] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached ./strace-static-x86_64: Process 5852 attached [pid 5850] <... munmap resumed>) = 0 [pid 5849] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5848] munmap(0x7fc4e5d63000, 262144 [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] set_robust_list(0x5555563db5e0, 24 [pid 5852] set_robust_list(0x5555563db5e0, 24 [pid 5851] <... clone resumed>, parent_tid=[5853], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5853 [pid 5850] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... openat resumed>) = 3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5854 [pid 5851] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... munmap resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5850] <... openat resumed>) = 4 [pid 5849] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5849] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5843] <... futex resumed>) = 0 [pid 5849] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5843] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5850] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... openat resumed>) = 4 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] ioctl(4, LOOP_CLR_FD [pid 5849] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... prctl resumed>) = 0 [pid 5850] <... ioctl resumed>) = 0 [pid 5849] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5843] exit_group(0 [pid 5849] <... futex resumed>) = ? [pid 5843] <... exit_group resumed>) = ? [pid 5854] <... prctl resumed>) = 0 [pid 5852] setpgid(0, 0 [pid 5849] +++ exited with 0 +++ [pid 5848] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5854] setpgid(0, 0 [pid 5852] <... setpgid resumed>) = 0 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5848] ioctl(4, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5854] <... setpgid resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5850] close(4 [pid 5000] close(3 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] <... openat resumed>) = 3 [pid 5850] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5852] write(3, "1000", 4 [pid 5850] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5854] <... openat resumed>) = 3 [pid 5852] <... write resumed>) = 4 [pid 5850] <... close resumed>) = 0 [pid 5854] write(3, "1000", 4 [pid 5853] set_robust_list(0x7fc4ee1839e0, 24 [pid 5852] close(3 [pid 5850] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5854] <... write resumed>) = 4 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5848] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... futex resumed>) = 0 [pid 5854] close(3 [pid 5853] memfd_create("syzkaller", 0 [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] close(4 [pid 5846] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... close resumed>) = 0 [pid 5853] <... memfd_create resumed>) = 3 [pid 5852] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] <... close resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5855 [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5850] fspick(AT_FDCWD, ".", 0 [pid 5848] close(3 [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = 0 [pid 5853] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5852] <... mmap resumed>) = 0x7fc4ee163000 [pid 5850] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... close resumed>) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5852] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5850] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... mmap resumed>) = 0x7fc4ee163000 [pid 5853] <... write resumed>) = 262144 [pid 5852] <... mprotect resumed>) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5848] <... futex resumed>) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5854] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5853] munmap(0x7fc4e5d63000, 262144 [pid 5852] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5850] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... mprotect resumed>) = 0 [pid 5853] <... munmap resumed>) = 0 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] <... futex resumed>) = 0 [pid 5845] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5853] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5852] <... clone resumed>, parent_tid=[5856], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5856 [pid 5850] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5848] fspick(AT_FDCWD, ".", 0 [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5856 attached [pid 5853] <... openat resumed>) = 4 [pid 5852] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5855 attached [pid 5854] <... clone resumed>, parent_tid=[5857], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5857 [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5852] <... futex resumed>) = 0 [pid 5850] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] set_robust_list(0x7fc4ee1839e0, 24 [pid 5855] set_robust_list(0x5555563db5e0, 24 [pid 5854] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] <... futex resumed>) = 1 [pid 5848] <... futex resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5845] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5853] ioctl(4, LOOP_CLR_FD [pid 5850] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5846] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5857 attached [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] <... ioctl resumed>) = 0 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5846] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5857] set_robust_list(0x7fc4ee1839e0, 24 [pid 5856] memfd_create("syzkaller", 0 [pid 5855] <... prctl resumed>) = 0 [pid 5850] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5848] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] <... memfd_create resumed>) = 3 [pid 5855] setpgid(0, 0 [pid 5850] <... openat resumed>) = 3 [pid 5848] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] memfd_create("syzkaller", 0 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5850] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... memfd_create resumed>) = 3 [pid 5856] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5850] <... futex resumed>) = 1 [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5853] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5846] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] write(3, "1000", 4 [pid 5853] close(4 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] <... openat resumed>) = 3 [pid 5846] <... futex resumed>) = 0 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5855] <... write resumed>) = 4 [pid 5853] <... close resumed>) = 0 [pid 5850] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5848] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5855] close(3 [pid 5853] close(3 [pid 5850] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5848] <... futex resumed>) = 1 [pid 5845] <... futex resumed>) = 0 [pid 5856] <... write resumed>) = 262144 [pid 5855] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5850] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 1 [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5856] munmap(0x7fc4e5d63000, 262144 [pid 5855] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5850] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5846] exit_group(0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = ? [pid 5848] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5846] <... exit_group resumed>) = ? [pid 5845] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5856] <... munmap resumed>) = 0 [pid 5855] <... mmap resumed>) = 0x7fc4ee163000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... futex resumed>) = 0 [pid 5850] +++ exited with 0 +++ [pid 5848] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] +++ exited with 0 +++ [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5855] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5853] fspick(AT_FDCWD, ".", 0 [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... futex resumed>) = 0 [pid 5845] exit_group(0 [pid 5856] <... openat resumed>) = 4 [pid 5855] <... mprotect resumed>) = 0 [pid 5853] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5845] <... exit_group resumed>) = ? [pid 5857] <... write resumed>) = 262144 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5855] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5853] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] +++ exited with 0 +++ [pid 5853] <... futex resumed>) = 1 [pid 5855] <... clone resumed>, parent_tid=[5858], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5858 [pid 5853] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5858 attached [pid 5845] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5857] munmap(0x7fc4e5d63000, 262144 [pid 5856] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5853] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5853] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] ioctl(4, LOOP_CLR_FD [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5853] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... ioctl resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5851] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5853] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5857] <... munmap resumed>) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5851] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5853] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... openat resumed>) = 4 [pid 5853] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5853] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5851] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5003] <... openat resumed>) = 3 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5853] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5856] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5853] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5857] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5856] close(4 [pid 5853] <... futex resumed>) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5857] ioctl(4, LOOP_CLR_FD [pid 5856] <... close resumed>) = 0 [pid 5853] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... ioctl resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] close(3 [pid 5851] exit_group(0 [pid 5858] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5858] memfd_create("syzkaller", 0 [pid 5853] <... futex resumed>) = ? [pid 5851] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5853] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5858] <... memfd_create resumed>) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5856] <... close resumed>) = 0 [pid 5851] +++ exited with 0 +++ [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5859 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5856] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5860 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5856] fspick(AT_FDCWD, ".", 0 [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5856] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5857] close(4 [pid 5856] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... close resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5857] close(3 [pid 5856] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5859 attached [pid 5856] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5859] set_robust_list(0x5555563db5e0, 24 [pid 5856] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5856] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... write resumed>) = 262144 [pid 5857] <... close resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5860 attached [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5852] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5860] set_robust_list(0x5555563db5e0, 24 [pid 5859] <... prctl resumed>) = 0 [pid 5857] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5859] setpgid(0, 0 [pid 5858] munmap(0x7fc4e5d63000, 262144 [pid 5857] fspick(AT_FDCWD, ".", 0 [pid 5856] <... openat resumed>) = 3 [pid 5854] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... munmap resumed>) = 0 [pid 5857] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5856] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... ioctl resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... prctl resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] <... openat resumed>) = 4 [pid 5857] <... futex resumed>) = 0 [pid 5856] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5860] setpgid(0, 0 [pid 5859] write(3, "1000", 4 [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5857] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5854] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5858] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... close resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] close(3 [pid 5858] ioctl(4, LOOP_CLR_FD [pid 5857] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5856] <... futex resumed>) = 0 [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] exit_group(0 [pid 5860] <... openat resumed>) = 3 [pid 5859] <... close resumed>) = 0 [pid 5858] <... ioctl resumed>) = 0 [pid 5857] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5852] <... exit_group resumed>) = ? [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] write(3, "1000", 4 [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5859] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5856] +++ exited with 0 +++ [pid 5852] +++ exited with 0 +++ [pid 5859] <... clone resumed>, parent_tid=[5862], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5862 [pid 5860] <... write resumed>) = 4 [pid 5859] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5857] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5861 [pid 5860] close(3 [pid 5859] <... futex resumed>) = 0 [pid 5858] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... close resumed>) = 0 [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] close(4 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = 0 [pid 5857] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5860] <... futex resumed>) = 0 [pid 5858] close(3./strace-static-x86_64: Process 5861 attached [pid 5860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... close resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5860] <... mmap resumed>) = 0x7fc4ee163000 [pid 5858] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5861] set_robust_list(0x5555563db5e0, 24 [pid 5860] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... futex resumed>) = 1 [pid 5857] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... mprotect resumed>) = 0 [pid 5858] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5861] <... prctl resumed>) = 0 [pid 5858] fspick(AT_FDCWD, ".", 0 [pid 5857] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] setpgid(0, 0 [pid 5860] <... clone resumed>, parent_tid=[5863], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5863 [pid 5858] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5858] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5858] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5860] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... setpgid resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5858] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5857] <... futex resumed>) = 1 [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5864 ./strace-static-x86_64: Process 5862 attached [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5854] exit_group(0 [pid 5862] set_robust_list(0x7fc4ee1839e0, 24 [pid 5858] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... exit_group resumed>) = ? [pid 5862] <... set_robust_list resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5862] memfd_create("syzkaller", 0 [pid 5858] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... memfd_create resumed>) = 3 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5858] <... openat resumed>) = 3 [pid 5862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5858] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5858] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5858] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5855] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5864 attached [pid 5858] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] set_robust_list(0x5555563db5e0, 24 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5858] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] exit_group(0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] <... write resumed>) = 262144 [pid 5858] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5864] <... prctl resumed>) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5861] <... openat resumed>) = 3 [pid 5864] write(3, "1000", 4 [pid 5861] write(3, "1000", 4 [pid 5864] <... write resumed>) = 4 [pid 5862] munmap(0x7fc4e5d63000, 262144 [pid 5864] close(3 [pid 5862] <... munmap resumed>) = 0 [pid 5861] <... write resumed>) = 4 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5861] close(3 [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5861] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5862] <... openat resumed>) = 4 [pid 5861] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5861] <... mmap resumed>) = 0x7fc4ee163000 ./strace-static-x86_64: Process 5863 attached [pid 5864] <... mmap resumed>) = 0x7fc4ee163000 [pid 5862] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] close(3 [pid 5864] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5863] set_robust_list(0x7fc4ee1839e0, 24 [pid 5862] ioctl(4, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5865 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... mprotect resumed>) = 0 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5866 [pid 5864] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5864] <... clone resumed>, parent_tid=[5867], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5867 [pid 5864] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5861] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5868], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5868 [pid 5861] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5862] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5866 attached [pid 5866] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5863] <... write resumed>) = 262144 [pid 5862] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5862] close(4 [pid 5863] munmap(0x7fc4e5d63000, 262144 [pid 5862] <... close resumed>) = 0 [pid 5862] close(3 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] <... close resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 [pid 5862] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... munmap resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5862] fspick(AT_FDCWD, ".", 0 [pid 5863] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5859] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... openat resumed>) = 4 [pid 5862] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] ioctl(4, LOOP_SET_FD, 3 [pid 5862] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5862] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... mmap resumed>) = 0x7fc4ee163000 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5862] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5863] ioctl(4, LOOP_CLR_FD [pid 5862] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... ioctl resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5862] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5862] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... openat resumed>) = 3 [pid 5862] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5862] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] ioctl(4, LOOP_SET_FD, 3 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5862] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5859] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5862] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5863] close(4 [pid 5862] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5862] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] exit_group(0 [pid 5863] close(3 [pid 5862] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5862] +++ exited with 0 +++ [pid 5866] <... mprotect resumed>) = 0 [pid 5859] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5866] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5869], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5869 [pid 5866] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5863] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5863] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5863] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5865] set_robust_list(0x5555563db5e0, 24 [pid 5863] fspick(AT_FDCWD, ".", 0 [pid 5860] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5870 [pid 5863] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5860] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5860] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5868 attached [pid 5863] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] set_robust_list(0x7fc4ee1839e0, 24 [pid 5863] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5863] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5865] <... prctl resumed>) = 0 [pid 5860] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 3 [pid 5860] <... futex resumed>) = 0 [pid 5863] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] setpgid(0, 0 [pid 5863] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5863] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5860] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 5867 attached [pid 5868] memfd_create("syzkaller", 0 [pid 5865] <... setpgid resumed>) = 0 [pid 5863] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] <... futex resumed>) = 0 [pid 5863] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] exit_group(0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... futex resumed>) = ? [pid 5860] <... exit_group resumed>) = ? [pid 5867] set_robust_list(0x7fc4ee1839e0, 24 [pid 5868] <... memfd_create resumed>) = 3 [pid 5863] +++ exited with 0 +++ [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5860] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5865] write(3, "1000", 4 [pid 5867] memfd_create("syzkaller", 0 [pid 5865] <... write resumed>) = 4 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 5871 [pid 5868] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5870 attached [pid 5870] set_robust_list(0x5555563db5e0, 24 [pid 5868] munmap(0x7fc4e5d63000, 262144) = 0 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5869 attached [pid 5870] <... openat resumed>) = 3 [pid 5868] <... openat resumed>) = 4 [pid 5867] <... memfd_create resumed>) = 3 [pid 5865] close(3./strace-static-x86_64: Process 5871 attached [pid 5870] write(3, "1000", 4 [pid 5869] set_robust_list(0x7fc4ee1839e0, 24 [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] <... close resumed>) = 0 [pid 5870] <... write resumed>) = 4 [pid 5868] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5870] close(3 [pid 5868] ioctl(4, LOOP_CLR_FD [pid 5867] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... close resumed>) = 0 [pid 5868] <... ioctl resumed>) = 0 [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5870] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5872], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5872 [pid 5870] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5865] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5868] close(4) = 0 [pid 5868] close(3 [pid 5871] set_robust_list(0x5555563db5e0, 24 [pid 5869] memfd_create("syzkaller", 0 [pid 5868] <... close resumed>) = 0 [pid 5867] <... write resumed>) = 262144 [pid 5865] <... mmap resumed>) = 0x7fc4ee163000 [pid 5868] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5869] <... memfd_create resumed>) = 3 [pid 5868] <... futex resumed>) = 1 [pid 5867] munmap(0x7fc4e5d63000, 262144 [pid 5865] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5861] <... futex resumed>) = 0 [pid 5868] fspick(AT_FDCWD, ".", 0 [pid 5861] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... mprotect resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5868] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5867] <... munmap resumed>) = 0 [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5861] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5861] <... futex resumed>) = 0 [pid 5868] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5865] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] <... futex resumed>) = 0 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5868] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5868] <... openat resumed>) = 3 [pid 5867] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] <... clone resumed>, parent_tid=[5873], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5873 [pid 5868] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5868] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] <... futex resumed>) = 0 [pid 5868] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5861] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5868] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5868] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] exit_group(0 [pid 5868] <... futex resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5871] <... prctl resumed>) = 0 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5868] +++ exited with 0 +++ [pid 5867] <... openat resumed>) = 4 [pid 5865] <... futex resumed>) = 0 [pid 5861] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5871] setpgid(0, 0 [pid 5867] ioctl(4, LOOP_SET_FD, 3 [pid 5871] <... setpgid resumed>) = 0 [pid 5867] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5872 attached ) = 3 [pid 5872] set_robust_list(0x7fc4ee1839e0, 24 [pid 5869] <... write resumed>) = 262144 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5872] <... set_robust_list resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] memfd_create("syzkaller", 0 [pid 5869] munmap(0x7fc4e5d63000, 262144 [pid 5867] ioctl(4, LOOP_CLR_FD [pid 5001] close(3 [pid 5872] <... memfd_create resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5871] <... openat resumed>) = 3 [pid 5867] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5871] write(3, "1000", 4 [pid 5869] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5873 attached [pid 5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5871] <... write resumed>) = 4 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5874 [pid 5871] close(3 [pid 5867] ioctl(4, LOOP_SET_FD, 3 [pid 5871] <... close resumed>) = 0 [pid 5869] <... openat resumed>) = 4 [pid 5873] set_robust_list(0x7fc4ee1839e0, 24 [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5871] <... futex resumed>) = 0 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5869] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] close(4 [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... close resumed>) = 0 [pid 5869] ioctl(4, LOOP_CLR_FD [pid 5871] <... mmap resumed>) = 0x7fc4ee163000 [pid 5871] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5867] close(3 [pid 5869] <... ioctl resumed>) = 0 [pid 5872] <... write resumed>) = 262144 [pid 5867] <... close resumed>) = 0 [pid 5872] munmap(0x7fc4e5d63000, 262144 [pid 5871] <... mprotect resumed>) = 0 [pid 5867] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] memfd_create("syzkaller", 0 [pid 5871] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5867] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5873] <... memfd_create resumed>) = 3 [pid 5872] <... munmap resumed>) = 0 [pid 5867] fspick(AT_FDCWD, ".", 0 [pid 5864] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5872] <... openat resumed>) = 4 [pid 5871] <... clone resumed>, parent_tid=[5875], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5875 [pid 5869] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... futex resumed>) = 0 [pid 5872] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5871] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5872] ioctl(4, LOOP_CLR_FD) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5869] close(4 [pid 5867] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] <... close resumed>) = 0 [pid 5867] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] close(3 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5874 attached [pid 5874] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0 [pid 5869] <... close resumed>) = 0 [pid 5867] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... setpgid resumed>) = 0 [pid 5872] ioctl(4, LOOP_SET_FD, 3 [pid 5869] <... futex resumed>) = 1 [pid 5867] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5869] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... futex resumed>) = 1 [pid 5866] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5874] <... openat resumed>) = 3 [pid 5872] close(4 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... futex resumed>) = 0 [pid 5864] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] write(3, "1000", 4 [pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5872] <... close resumed>) = 0 [pid 5869] fspick(AT_FDCWD, ".", 0 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... futex resumed>) = 0 [pid 5874] <... write resumed>) = 4 [pid 5872] close(3 [pid 5869] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] close(3 [pid 5873] <... write resumed>) = 262144 [pid 5872] <... close resumed>) = 0 [pid 5869] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... close resumed>) = 0 [pid 5872] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 1 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... futex resumed>) = 0 [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] munmap(0x7fc4e5d63000, 262144 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5872] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5869] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5867] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... mmap resumed>) = 0x7fc4ee163000 [pid 5873] <... munmap resumed>) = 0 [pid 5872] fspick(AT_FDCWD, ".", 0 [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] <... futex resumed>) = 0 [pid 5874] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5872] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5869] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5864] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... mprotect resumed>) = 0 [pid 5872] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 1 [pid 5867] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5866] <... futex resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5874] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... openat resumed>) = 4 [pid 5872] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5874] <... clone resumed>, parent_tid=[5876], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5876 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5869] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5867] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] exit_group(0 [pid 5874] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] ioctl(4, LOOP_SET_FD, 3 [pid 5872] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... futex resumed>) = 0 [pid 5872] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5869] <... openat resumed>) = 3 [pid 5867] <... futex resumed>) = ? [pid 5864] <... exit_group resumed>) = ? [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5872] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5867] +++ exited with 0 +++ [pid 5872] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5872] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] +++ exited with 0 +++ ./strace-static-x86_64: Process 5875 attached [pid 5873] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] <... openat resumed>) = 3 [pid 5869] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5872] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5873] ioctl(4, LOOP_CLR_FD [pid 5875] set_robust_list(0x7fc4ee1839e0, 24 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5875] <... set_robust_list resumed>) = 0 [pid 5873] <... ioctl resumed>) = 0 [pid 5872] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5866] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5869] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5872] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5870] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] memfd_create("syzkaller", 0 [pid 5872] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5869] <... futex resumed>) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5875] <... memfd_create resumed>) = 3 [pid 5872] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5866] <... exit_group resumed>) = ? [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5875] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5873] ioctl(4, LOOP_SET_FD, 3 [pid 5872] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] exit_group(0 [pid 5869] <... futex resumed>) = ? [pid 5002] <... ioctl resumed>) = 0 [pid 5873] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] <... futex resumed>) = ? [pid 5870] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5872] +++ exited with 0 +++ [pid 5870] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5876 attached [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5876] set_robust_list(0x7fc4ee1839e0, 24 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5873] close(4 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5877 [pid 5876] memfd_create("syzkaller", 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] <... restart_syscall resumed>) = 0 [pid 5876] <... memfd_create resumed>) = 3 [pid 5875] <... write resumed>) = 262144 [pid 5004] <... openat resumed>) = 3 [pid 5873] <... close resumed>) = 0 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] munmap(0x7fc4e5d63000, 262144 [pid 5873] close(3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5876] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] <... ioctl resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5875] <... munmap resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5004] close(3 [pid 4999] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5873] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 4999] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5878 [pid 4999] <... close resumed>) = 0 [pid 5875] <... openat resumed>) = 4 [pid 5873] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5873] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5879 ./strace-static-x86_64: Process 5878 attached [pid 5876] <... write resumed>) = 262144 [pid 5875] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5876] munmap(0x7fc4e5d63000, 262144 [pid 5878] set_robust_list(0x5555563db5e0, 24 [pid 5875] ioctl(4, LOOP_CLR_FD [pid 5873] fspick(AT_FDCWD, ".", 0 [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] <... set_robust_list resumed>) = 0 [pid 5876] <... munmap resumed>) = 0 [pid 5875] <... ioctl resumed>) = 0 [pid 5873] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5876] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5873] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] <... openat resumed>) = 4 [pid 5876] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5876] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5877 attached [pid 5878] <... prctl resumed>) = 0 [pid 5877] set_robust_list(0x5555563db5e0, 24 [pid 5873] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5873] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] setpgid(0, 0 [pid 5865] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5878] <... setpgid resumed>) = 0 [pid 5876] ioctl(4, LOOP_SET_FD, 3 [pid 5873] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5879 attached [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] close(4 [pid 5879] set_robust_list(0x5555563db5e0, 24 [pid 5878] <... openat resumed>) = 3 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] <... close resumed>) = 0 [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5873] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5879] <... set_robust_list resumed>) = 0 [pid 5877] <... prctl resumed>) = 0 [pid 5876] close(3 [pid 5875] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5873] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] write(3, "1000", 4 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] setpgid(0, 0 [pid 5876] <... close resumed>) = 0 [pid 5879] <... prctl resumed>) = 0 [pid 5878] <... write resumed>) = 4 [pid 5877] <... setpgid resumed>) = 0 [pid 5876] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] close(4 [pid 5873] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5879] setpgid(0, 0 [pid 5878] close(3 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... futex resumed>) = 1 [pid 5875] <... close resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... setpgid resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5877] <... openat resumed>) = 3 [pid 5876] fspick(AT_FDCWD, ".", 0 [pid 5875] close(3 [pid 5874] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] write(3, "1000", 4 [pid 5876] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5877] <... write resumed>) = 4 [pid 5876] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... close resumed>) = 0 [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] write(3, "1000", 4 [pid 5877] close(3 [pid 5876] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... write resumed>) = 4 [pid 5877] <... close resumed>) = 0 [pid 5876] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... futex resumed>) = 0 [pid 5874] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... openat resumed>) = 3 [pid 5879] close(3 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] <... close resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5876] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5875] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... futex resumed>) = 1 [pid 5871] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] <... mmap resumed>) = 0x7fc4ee163000 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... futex resumed>) = 0 [pid 5865] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5878] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5877] <... mmap resumed>) = 0x7fc4ee163000 [pid 5876] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] fspick(AT_FDCWD, ".", 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... futex resumed>) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... mprotect resumed>) = 0 [pid 5877] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5876] <... futex resumed>) = 1 [pid 5875] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... futex resumed>) = 0 [pid 5873] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5865] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... mmap resumed>) = 0x7fc4ee163000 [pid 5878] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5877] <... mprotect resumed>) = 0 [pid 5876] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5879] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5877] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5879] <... mprotect resumed>) = 0 [pid 5878] <... clone resumed>, parent_tid=[5880], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5880 [pid 5876] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5875] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... futex resumed>) = 1 [pid 5871] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5879] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5878] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... clone resumed>, parent_tid=[5881], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5881 [pid 5876] <... openat resumed>) = 3 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... futex resumed>) = 0 [pid 5865] exit_group(0 [pid 5878] <... futex resumed>) = 0 [pid 5877] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5873] <... futex resumed>) = ? [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... exit_group resumed>) = ? [pid 5879] <... clone resumed>, parent_tid=[5882], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5882 [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... futex resumed>) = 0 [pid 5873] +++ exited with 0 +++ [pid 5879] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5876] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5865] +++ exited with 0 +++ [pid 5875] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5876] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5874] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5876] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5875] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5876] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5874] <... futex resumed>) = 0 [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... restart_syscall resumed>) = 0 [pid 5876] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] <... openat resumed>) = 3 [pid 5874] exit_group(0./strace-static-x86_64: Process 5880 attached [pid 5876] <... futex resumed>) = ? [pid 5875] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... exit_group resumed>) = ? [pid 5880] set_robust_list(0x7fc4ee1839e0, 24 [pid 5876] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5880] <... set_robust_list resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5880] memfd_create("syzkaller", 0 [pid 5875] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5880] <... memfd_create resumed>) = 3 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... ioctl resumed>) = 0 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5871] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] close(3 [pid 5880] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5875] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... close resumed>) = 0 [pid 5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5875] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5882 attached ./strace-static-x86_64: Process 5881 attached [pid 5875] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5882] set_robust_list(0x7fc4ee1839e0, 24 [pid 5881] set_robust_list(0x7fc4ee1839e0, 24 [pid 5875] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] exit_group(0 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5883 [pid 5875] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5875] +++ exited with 0 +++ [pid 5001] <... ioctl resumed>) = 0 [pid 5001] close(3) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5884 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5881] memfd_create("syzkaller", 0 [pid 5880] <... write resumed>) = 262144 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5882] memfd_create("syzkaller", 0 [pid 5881] <... memfd_create resumed>) = 3 [pid 5880] munmap(0x7fc4e5d63000, 262144 [pid 5003] <... openat resumed>) = 3 [pid 5882] <... memfd_create resumed>) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5880] <... munmap resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5880] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] <... ioctl resumed>) = 0 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5881] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5880] <... openat resumed>) = 4 [pid 5003] close(3 [pid 5880] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... close resumed>) = 0 [pid 5880] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] ioctl(4, LOOP_CLR_FD) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5885 [pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5882] <... mmap resumed>) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5884 attached [pid 5884] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0 [pid 5880] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5881] <... write resumed>) = 262144 [pid 5880] close(4 [pid 5884] <... setpgid resumed>) = 0 [pid 5880] <... close resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5880] close(3 [pid 5884] <... openat resumed>) = 3 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5881] munmap(0x7fc4e5d63000, 262144 [pid 5880] <... close resumed>) = 0 [pid 5884] write(3, "1000", 4 [pid 5880] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5885 attached [pid 5884] <... write resumed>) = 4 [pid 5880] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5885] set_robust_list(0x5555563db5e0, 24 [pid 5884] close(3 [pid 5880] fspick(AT_FDCWD, ".", 0 [pid 5878] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] <... close resumed>) = 0 [pid 5880] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5878] <... futex resumed>) = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... prctl resumed>) = 0 [pid 5884] <... futex resumed>) = 0 [pid 5881] <... munmap resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] setpgid(0, 0 [pid 5884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5878] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... setpgid resumed>) = 0 [pid 5884] <... mmap resumed>) = 0x7fc4ee163000 [pid 5882] <... write resumed>) = 262144 [pid 5881] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5880] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5878] <... futex resumed>) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5880] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... openat resumed>) = 3 [pid 5884] <... mprotect resumed>) = 0 [pid 5882] munmap(0x7fc4e5d63000, 262144 [pid 5881] <... openat resumed>) = 4 [pid 5880] <... futex resumed>) = 0 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5883 attached [pid 5885] write(3, "1000", 4 [pid 5884] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5880] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... write resumed>) = 4 [pid 5882] <... munmap resumed>) = 0 [pid 5881] ioctl(4, LOOP_SET_FD, 3 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5878] <... futex resumed>) = 0 [pid 5883] set_robust_list(0x5555563db5e0, 24 [pid 5885] close(3 [pid 5884] <... clone resumed>, parent_tid=[5886], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5886 [pid 5880] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... close resumed>) = 0 [pid 5884] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5881] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5880] <... openat resumed>) = 3 [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = 0 [pid 5880] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 0 [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5882] <... openat resumed>) = 4 [pid 5881] ioctl(4, LOOP_CLR_FD [pid 5880] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... mmap resumed>) = 0x7fc4ee163000 [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5881] <... ioctl resumed>) = 0 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5878] <... futex resumed>) = 0 [pid 5885] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5883] <... prctl resumed>) = 0 [pid 5882] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5880] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5878] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5885] <... mprotect resumed>) = 0 [pid 5882] ioctl(4, LOOP_CLR_FD [pid 5880] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5885] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5883] setpgid(0, 0 [pid 5882] <... ioctl resumed>) = 0 [pid 5880] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... setpgid resumed>) = 0 [pid 5880] <... futex resumed>) = 1 [pid 5878] <... futex resumed>) = 0 [pid 5885] <... clone resumed>, parent_tid=[5887], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5887 [pid 5881] ioctl(4, LOOP_SET_FD, 3 [pid 5880] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5878] exit_group(0 [pid 5885] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = ? [pid 5878] <... exit_group resumed>) = ? [pid 5885] <... futex resumed>) = 0 [pid 5881] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5880] +++ exited with 0 +++ [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5887 attached [pid 5887] set_robust_list(0x7fc4ee1839e0, 24 [pid 5878] +++ exited with 0 +++ [pid 5881] close(4 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5881] <... close resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5883] <... openat resumed>) = 3 [pid 5881] close(3 [pid 5882] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3 [pid 5881] <... close resumed>) = 0 [pid 5882] close(4 [pid 5883] write(3, "1000", 4 [pid 5004] <... close resumed>) = 0 [pid 5883] <... write resumed>) = 4 [pid 5882] <... close resumed>) = 0 [pid 5881] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] close(3 [pid 5882] close(3 [pid 5881] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5883] <... close resumed>) = 0 [pid 5877] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5888 [pid 5877] <... futex resumed>) = 0 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... close resumed>) = 0 [pid 5881] fspick(AT_FDCWD, ".", 0 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5882] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5883] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] fspick(AT_FDCWD, ".", 0 [pid 5881] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5886 attached [pid 5883] <... mmap resumed>) = 0x7fc4ee163000 [pid 5881] <... futex resumed>) = 1 [pid 5882] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... futex resumed>) = 0 [pid 5883] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5882] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] set_robust_list(0x7fc4ee1839e0, 24 [pid 5883] <... mprotect resumed>) = 0 [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5883] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5882] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5879] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] memfd_create("syzkaller", 0 [pid 5886] memfd_create("syzkaller", 0 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5879] <... futex resumed>) = 0 [pid 5887] <... memfd_create resumed>) = 3 [pid 5886] <... memfd_create resumed>) = 3 [pid 5883] <... clone resumed>, parent_tid=[5889], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5889 [pid 5882] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5881] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5883] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5881] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5887] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5882] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5879] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... openat resumed>) = 3 [pid 5879] <... futex resumed>) = 0 [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5882] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5881] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... openat resumed>) = 3 [pid 5881] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5882] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5889 attached [pid 5887] <... write resumed>) = 262144 [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5887] munmap(0x7fc4e5d63000, 262144 [pid 5882] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5879] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] set_robust_list(0x7fc4ee1839e0, 24 [pid 5887] <... munmap resumed>) = 0 [pid 5886] <... write resumed>) = 262144 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5879] <... futex resumed>) = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5882] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5881] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5888 attached [pid 5889] <... set_robust_list resumed>) = 0 [pid 5887] <... openat resumed>) = 4 [pid 5882] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5881] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5887] ioctl(4, LOOP_SET_FD, 3 [pid 5882] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] exit_group(0 [pid 5889] memfd_create("syzkaller", 0 [pid 5887] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5882] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = ? [pid 5879] <... futex resumed>) = 0 [pid 5877] <... exit_group resumed>) = ? [pid 5889] <... memfd_create resumed>) = 3 [pid 5888] set_robust_list(0x5555563db5e0, 24 [pid 5887] ioctl(4, LOOP_CLR_FD [pid 5886] munmap(0x7fc4e5d63000, 262144 [pid 5882] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] +++ exited with 0 +++ [pid 5879] exit_group(0 [pid 5877] +++ exited with 0 +++ [pid 5887] <... ioctl resumed>) = 0 [pid 5882] <... futex resumed>) = ? [pid 5879] <... exit_group resumed>) = ? [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5886] <... munmap resumed>) = 0 [pid 5882] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5889] <... mmap resumed>) = 0x7fc4e5d63000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5887] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5890 [pid 5887] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] <... prctl resumed>) = 0 [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5887] close(4 [pid 5888] setpgid(0, 0 [pid 5887] <... close resumed>) = 0 [pid 5888] <... setpgid resumed>) = 0 [pid 5887] close(3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5889] <... write resumed>) = 262144 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5887] <... close resumed>) = 0 [pid 5886] <... openat resumed>) = 4 [pid 4999] <... openat resumed>) = 3 [pid 5887] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5887] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5888] write(3, "1000", 4 [pid 5889] munmap(0x7fc4e5d63000, 262144 [pid 5887] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5885] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... write resumed>) = 4 [pid 4999] close(3 [pid 5887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5888] close(3 [pid 5887] fspick(AT_FDCWD, ".", 0 [pid 5886] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] <... munmap resumed>) = 0 [pid 5888] <... close resumed>) = 0 [pid 5887] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5886] ioctl(4, LOOP_CLR_FD [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5891 [pid 5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5888] <... futex resumed>) = 0 [pid 5887] <... futex resumed>) = 1 [pid 5886] <... ioctl resumed>) = 0 [pid 5885] <... futex resumed>) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5887] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5890 attached [pid 5889] <... openat resumed>) = 4 [pid 5887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... mmap resumed>) = 0x7fc4ee163000 [pid 5885] <... futex resumed>) = 0 [pid 5890] set_robust_list(0x5555563db5e0, 24 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5888] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5887] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... set_robust_list resumed>) = 0 [pid 5887] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] <... mprotect resumed>) = 0 [pid 5887] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... prctl resumed>) = 0 [pid 5888] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5887] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5889] ioctl(4, LOOP_CLR_FD [pid 5890] setpgid(0, 0 [pid 5889] <... ioctl resumed>) = 0 [pid 5887] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5885] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... setpgid resumed>) = 0 [pid 5888] <... clone resumed>, parent_tid=[5892], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5892 [pid 5887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] <... futex resumed>) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5886] close(4 [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... openat resumed>) = 3 [pid 5888] <... futex resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5886] <... close resumed>) = 0 [pid 5890] write(3, "1000", 4 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5887] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] close(3 [pid 5890] <... write resumed>) = 4 [pid 5889] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5887] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5890] close(3 [pid 5887] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... close resumed>) = 0 [pid 5887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] <... futex resumed>) = 0 [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5885] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = 0 [pid 5887] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5889] close(4 [pid 5887] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... close resumed>) = 0 ./strace-static-x86_64: Process 5891 attached [pid 5890] <... mmap resumed>) = 0x7fc4ee163000 [pid 5889] <... close resumed>) = 0 [pid 5887] <... futex resumed>) = 1 [pid 5886] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... futex resumed>) = 0 [pid 5890] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5889] close(3 [pid 5887] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... futex resumed>) = 1 [pid 5885] exit_group(0 [pid 5884] <... futex resumed>) = 0 [pid 5891] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 5892 attached [pid 5890] <... mprotect resumed>) = 0 [pid 5887] <... futex resumed>) = ? [pid 5885] <... exit_group resumed>) = ? [pid 5884] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] set_robust_list(0x7fc4ee1839e0, 24 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5889] <... close resumed>) = 0 [pid 5887] +++ exited with 0 +++ [pid 5886] fspick(AT_FDCWD, ".", 0 [pid 5885] +++ exited with 0 +++ [pid 5884] <... futex resumed>) = 0 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5889] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] memfd_create("syzkaller", 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] <... clone resumed>, parent_tid=[5893], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5893 [pid 5889] <... futex resumed>) = 1 [pid 5886] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5892] <... memfd_create resumed>) = 3 [pid 5891] <... prctl resumed>) = 0 [pid 5890] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... futex resumed>) = 0 [pid 5884] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5891] setpgid(0, 0 [pid 5890] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5884] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5892] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5891] <... setpgid resumed>) = 0 [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5889] fspick(AT_FDCWD, ".", 0 [pid 5886] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5889] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5886] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... write resumed>) = 262144 [pid 5891] <... openat resumed>) = 3 [pid 5889] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 0 [pid 5884] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5891] write(3, "1000", 4 [pid 5889] <... futex resumed>) = 1 [pid 5886] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5884] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5892] munmap(0x7fc4e5d63000, 262144 [pid 5891] <... write resumed>) = 4 [pid 5889] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5892] <... munmap resumed>) = 0 [pid 5891] close(3 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] <... openat resumed>) = 3 [pid 5883] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5891] <... close resumed>) = 0 [pid 5889] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5886] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5003] close(3./strace-static-x86_64: Process 5893 attached [pid 5892] <... openat resumed>) = 4 [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5893] set_robust_list(0x7fc4ee1839e0, 24 [pid 5892] ioctl(4, LOOP_SET_FD, 3 [pid 5891] <... futex resumed>) = 0 [pid 5889] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5889] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] <... futex resumed>) = 0 [pid 5883] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] memfd_create("syzkaller", 0 [pid 5892] ioctl(4, LOOP_CLR_FD [pid 5891] <... mmap resumed>) = 0x7fc4ee163000 [pid 5889] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5886] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5884] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5894 [pid 5893] <... memfd_create resumed>) = 3 [pid 5892] <... ioctl resumed>) = 0 [pid 5891] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5889] <... openat resumed>) = 3 [pid 5886] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5891] <... mprotect resumed>) = 0 [pid 5889] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5891] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5889] <... futex resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 0 [pid 5883] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5889] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5886] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] exit_group(0 [pid 5883] <... futex resumed>) = 0 [pid 5892] ioctl(4, LOOP_SET_FD, 3 [pid 5891] <... clone resumed>, parent_tid=[5895], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5895 [pid 5889] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5886] <... futex resumed>) = ? [pid 5884] <... exit_group resumed>) = ? [pid 5883] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... write resumed>) = 262144 [pid 5892] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5891] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] +++ exited with 0 +++ [pid 5884] +++ exited with 0 +++ [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] munmap(0x7fc4e5d63000, 262144 [pid 5892] close(4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5893] <... munmap resumed>) = 0 [pid 5892] <... close resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5883] exit_group(0./strace-static-x86_64: Process 5894 attached [pid 5893] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5892] close(3 [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5883] <... exit_group resumed>) = ? [pid 5894] set_robust_list(0x5555563db5e0, 24 [pid 5893] <... openat resumed>) = 4 [pid 5892] <... close resumed>) = 0 ./strace-static-x86_64: Process 5895 attached [pid 5893] ioctl(4, LOOP_SET_FD, 3 [pid 5892] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] +++ exited with 0 +++ [pid 5895] set_robust_list(0x7fc4ee1839e0, 24 [pid 5893] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5892] <... futex resumed>) = 1 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] ioctl(4, LOOP_CLR_FD [pid 5892] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5895] memfd_create("syzkaller", 0 [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] <... ioctl resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5883] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 5895] <... memfd_create resumed>) = 3 [pid 5888] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5892] <... futex resumed>) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... futex resumed>) = 1 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5895] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5894] <... prctl resumed>) = 0 [pid 5892] fspick(AT_FDCWD, ".", 0 [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5894] setpgid(0, 0 [pid 5892] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5894] <... setpgid resumed>) = 0 [pid 5893] ioctl(4, LOOP_SET_FD, 3 [pid 5892] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5892] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5893] close(4 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5896 [pid 5000] <... openat resumed>) = 3 [pid 5894] <... openat resumed>) = 3 [pid 5893] <... close resumed>) = 0 [pid 5892] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5895] <... write resumed>) = 262144 [pid 5894] write(3, "1000", 4 [pid 5893] close(3 [pid 5892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5895] munmap(0x7fc4e5d63000, 262144 [pid 5894] <... write resumed>) = 4 [pid 5893] <... close resumed>) = 0 [pid 5000] close(3 [pid 5895] <... munmap resumed>) = 0 [pid 5894] close(3 [pid 5893] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5893] <... futex resumed>) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5895] <... openat resumed>) = 4 [pid 5894] <... close resumed>) = 0 [pid 5893] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5890] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] ioctl(4, LOOP_SET_FD, 3 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5890] <... futex resumed>) = 0 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5897 [pid 5895] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5894] <... futex resumed>) = 0 [pid 5893] fspick(AT_FDCWD, ".", 0 [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5895] ioctl(4, LOOP_CLR_FD [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5895] <... ioctl resumed>) = 0 [pid 5893] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mmap resumed>) = 0x7fc4ee163000 [pid 5893] <... futex resumed>) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5893] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5896 attached [pid 5894] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5890] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5897 attached [pid 5893] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] set_robust_list(0x5555563db5e0, 24 [pid 5896] set_robust_list(0x5555563db5e0, 24 [pid 5894] <... mprotect resumed>) = 0 [pid 5893] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5892] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... set_robust_list resumed>) = 0 [pid 5893] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] ioctl(4, LOOP_SET_FD, 3 [pid 5894] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5893] <... futex resumed>) = 1 [pid 5892] <... openat resumed>) = 3 [pid 5890] <... futex resumed>) = 0 [pid 5897] <... prctl resumed>) = 0 [pid 5895] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5893] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] setpgid(0, 0 [pid 5895] close(4 [pid 5894] <... clone resumed>, parent_tid=[5898], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5898 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... futex resumed>) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5897] <... setpgid resumed>) = 0 [pid 5896] <... prctl resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5894] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5892] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5896] setpgid(0, 0 [pid 5895] close(3 [pid 5894] <... futex resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 0 [pid 5897] <... openat resumed>) = 3 [pid 5896] <... setpgid resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5893] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] write(3, "1000", 4 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5893] <... futex resumed>) = 1 [pid 5892] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5890] <... futex resumed>) = 0 [pid 5888] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... write resumed>) = 4 [pid 5895] <... futex resumed>) = 1 [pid 5893] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5891] <... futex resumed>) = 0 [pid 5890] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] close(3 [pid 5896] <... openat resumed>) = 3 [pid 5895] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = 0 [pid 5897] <... close resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5892] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5890] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... futex resumed>) = 0 [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] fspick(AT_FDCWD, ".", 0 [pid 5893] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5892] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = 0 [pid 5896] write(3, "1000", 4 [pid 5895] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5893] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] exit_group(0 [pid 5897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = ? [pid 5896] <... write resumed>) = 4 [pid 5890] <... futex resumed>) = 0 [pid 5888] <... exit_group resumed>) = ? [pid 5897] <... mmap resumed>) = 0x7fc4ee163000 [pid 5895] <... futex resumed>) = 1 [pid 5893] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] +++ exited with 0 +++ [pid 5891] <... futex resumed>) = 0 [pid 5890] exit_group(0 [pid 5897] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5895] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = ? [pid 5891] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... exit_group resumed>) = ? [pid 5897] <... mprotect resumed>) = 0 [pid 5896] close(3 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] +++ exited with 0 +++ [pid 5891] <... futex resumed>) = 0 [pid 5890] +++ exited with 0 +++ [pid 5888] +++ exited with 0 +++ [pid 5897] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5895] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5895] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5897] <... clone resumed>, parent_tid=[5899], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5899 [pid 5895] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5898 attached [pid 5897] <... futex resumed>) = 0 [pid 5896] <... close resumed>) = 0 [pid 5895] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 5898] set_robust_list(0x7fc4ee1839e0, 24 [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... set_robust_list resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5895] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5895] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5896] <... mmap resumed>) = 0x7fc4ee163000 [pid 5895] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5898] memfd_create("syzkaller", 0 [pid 5896] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... ioctl resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5002] close(3 [pid 5896] <... mprotect resumed>) = 0 [pid 5895] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5891] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5895] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] <... memfd_create resumed>) = 3 [pid 5896] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5895] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5895] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5900 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5901 [pid 5898] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5895] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] exit_group(0 [pid 5896] <... clone resumed>, parent_tid=[5902], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5902 [pid 5895] <... futex resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5896] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] +++ exited with 0 +++ [pid 5891] +++ exited with 0 +++ [pid 5896] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] <... write resumed>) = 262144 [pid 5898] munmap(0x7fc4e5d63000, 262144 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5903 ./strace-static-x86_64: Process 5899 attached [pid 5899] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5899] memfd_create("syzkaller", 0) = 3 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 5903 attached [pid 5903] set_robust_list(0x5555563db5e0, 24 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... set_robust_list resumed>) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] <... prctl resumed>) = 0 [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5903] <... prctl resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5903] setpgid(0, 0 [pid 5901] <... setpgid resumed>) = 0 [pid 5898] <... munmap resumed>) = 0 [pid 5903] <... setpgid resumed>) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5902 attached ./strace-static-x86_64: Process 5900 attached [pid 5903] <... openat resumed>) = 3 [pid 5901] write(3, "1000", 4 [pid 5898] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5903] write(3, "1000", 4 [pid 5901] <... write resumed>) = 4 [pid 5899] <... write resumed>) = 262144 [pid 5903] <... write resumed>) = 4 [pid 5901] close(3 [pid 5899] munmap(0x7fc4e5d63000, 262144 [pid 5898] <... openat resumed>) = 4 [pid 5903] close(3 [pid 5902] set_robust_list(0x7fc4ee1839e0, 24 [pid 5901] <... close resumed>) = 0 [pid 5900] set_robust_list(0x5555563db5e0, 24 [pid 5899] <... munmap resumed>) = 0 [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5903] <... close resumed>) = 0 [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5898] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5903] <... futex resumed>) = 0 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5899] <... openat resumed>) = 4 [pid 5898] ioctl(4, LOOP_CLR_FD [pid 5902] memfd_create("syzkaller", 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] <... memfd_create resumed>) = 3 [pid 5901] <... mmap resumed>) = 0x7fc4ee163000 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] ioctl(4, LOOP_SET_FD, 3 [pid 5898] <... ioctl resumed>) = 0 [pid 5903] <... mmap resumed>) = 0x7fc4ee163000 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5901] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5900] <... prctl resumed>) = 0 [pid 5899] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5903] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5902] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5901] <... mprotect resumed>) = 0 [pid 5899] ioctl(4, LOOP_CLR_FD [pid 5900] setpgid(0, 0 [pid 5903] <... mprotect resumed>) = 0 [pid 5901] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5899] <... ioctl resumed>) = 0 [pid 5903] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5901] <... clone resumed>, parent_tid=[5904], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5904 [pid 5903] <... clone resumed>, parent_tid=[5905], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5905 [pid 5901] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5901] <... futex resumed>) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5898] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5904 attached [pid 5904] set_robust_list(0x7fc4ee1839e0, 24 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5898] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5904] <... set_robust_list resumed>) = 0 [pid 5899] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5899] close(4) = 0 [pid 5899] close(3 [pid 5902] <... write resumed>) = 262144 [pid 5900] <... openat resumed>) = 3 [pid 5899] <... close resumed>) = 0 [pid 5898] close(4 [pid 5902] munmap(0x7fc4e5d63000, 262144 [pid 5900] write(3, "1000", 4 [pid 5899] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... close resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5898] close(3 [pid 5900] <... write resumed>) = 4 [pid 5899] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] <... futex resumed>) = 0 [pid 5899] fspick(AT_FDCWD, ".", 0 [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... munmap resumed>) = 0 [pid 5899] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5899] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5899] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] <... futex resumed>) = 0 [pid 5899] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5899] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5900] close(3 [pid 5899] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... close resumed>) = 0 [pid 5897] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5900] <... close resumed>) = 0 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = 0 [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5898] <... futex resumed>) = 1 [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... futex resumed>) = 0 [pid 5904] memfd_create("syzkaller", 0 [pid 5902] <... openat resumed>) = 4 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... openat resumed>) = 3 [pid 5898] fspick(AT_FDCWD, ".", 0 [pid 5894] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... memfd_create resumed>) = 3 [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5899] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5894] <... futex resumed>) = 0 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5902] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5900] <... mmap resumed>) = 0x7fc4ee163000 [pid 5899] <... futex resumed>) = 1 [pid 5898] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = 0 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5902] ioctl(4, LOOP_CLR_FD [pid 5900] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5899] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... futex resumed>) = 0 [pid 5897] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5902] <... ioctl resumed>) = 0 [pid 5900] <... mprotect resumed>) = 0 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... futex resumed>) = 0 [pid 5894] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... write resumed>) = 262144 [pid 5900] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5899] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5905 attached [pid 5899] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5898] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... clone resumed>, parent_tid=[5906], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5906 [pid 5899] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5905] set_robust_list(0x7fc4ee1839e0, 24 [pid 5900] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 1 [pid 5898] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... futex resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] munmap(0x7fc4e5d63000, 262144 [pid 5900] <... futex resumed>) = 0 [pid 5899] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... futex resumed>) = 1 [pid 5897] exit_group(0 [pid 5894] <... futex resumed>) = 0 [pid 5905] memfd_create("syzkaller", 0 [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5899] <... futex resumed>) = ? [pid 5898] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... exit_group resumed>) = ? [pid 5894] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... memfd_create resumed>) = 3 [pid 5904] <... munmap resumed>) = 0 [pid 5902] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5899] +++ exited with 0 +++ [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] +++ exited with 0 +++ [pid 5894] <... futex resumed>) = 0 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5904] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5902] close(4 [pid 5898] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... openat resumed>) = 4 [pid 5902] <... close resumed>) = 0 [pid 5898] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5904] ioctl(4, LOOP_SET_FD, 3 [pid 5902] close(3 [pid 5898] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5904] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5000] <... openat resumed>) = 3 [pid 5904] ioctl(4, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5904] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5000] close(3) = 0 [pid 5902] <... close resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5905] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5902] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5907 [pid 5904] ioctl(4, LOOP_SET_FD, 3 [pid 5902] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5896] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5896] <... futex resumed>) = 0 [pid 5904] close(4 [pid 5902] fspick(AT_FDCWD, ".", 0 [pid 5898] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... close resumed>) = 0 [pid 5902] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5898] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5904] close(3 [pid 5902] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5904] <... close resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5896] <... futex resumed>) = 0 [pid 5894] exit_group(0 [pid 5904] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... futex resumed>) = ? [pid 5896] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5907 attached [pid 5904] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [pid 5898] +++ exited with 0 +++ [pid 5896] <... futex resumed>) = 0 [pid 5907] set_robust_list(0x5555563db5e0, 24 [pid 5904] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] fspick(AT_FDCWD, ".", 0 [pid 5902] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] +++ exited with 0 +++ [pid 5907] <... prctl resumed>) = 0 [pid 5904] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5907] setpgid(0, 0 [pid 5904] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5907] <... setpgid resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5906 attached [pid 5907] <... openat resumed>) = 3 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5907] write(3, "1000", 4 [pid 5904] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5902] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5907] <... write resumed>) = 4 [pid 5906] set_robust_list(0x7fc4ee1839e0, 24 [pid 5904] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... openat resumed>) = 3 [pid 5003] <... openat resumed>) = 3 [pid 5907] close(3 [pid 5904] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5907] <... close resumed>) = 0 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5907] <... futex resumed>) = 0 [pid 5906] memfd_create("syzkaller", 0 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5904] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5902] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... memfd_create resumed>) = 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5905] <... write resumed>) = 262144 [pid 5907] <... mmap resumed>) = 0x7fc4ee163000 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5904] <... openat resumed>) = 3 [pid 5902] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5907] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5904] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5908 [pid 5907] <... mprotect resumed>) = 0 [pid 5906] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5904] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5907] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5905] munmap(0x7fc4e5d63000, 262144 [pid 5904] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] exit_group(0 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] <... futex resumed>) = ? [pid 5901] <... futex resumed>) = 0 [pid 5896] <... exit_group resumed>) = ? [pid 5907] <... clone resumed>, parent_tid=[5909], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5909 [pid 5904] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5902] +++ exited with 0 +++ [pid 5901] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5907] <... futex resumed>) = 0 [pid 5904] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5904] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 0 [pid 5896] +++ exited with 0 +++ [pid 5904] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] exit_group(0 [pid 5905] <... munmap resumed>) = 0 [pid 5904] <... futex resumed>) = ? [pid 5901] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5904] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... restart_syscall resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 5001] close(3 [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5910 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5911 ./strace-static-x86_64: Process 5910 attached [pid 5910] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5909 attached [pid 5909] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5910] <... prctl resumed>) = 0 [pid 5910] setpgid(0, 0) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] memfd_create("syzkaller", 0) = 3 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5910] <... openat resumed>) = 3 [pid 5910] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5911 attached [pid 5910] close(3) = 0 [pid 5911] set_robust_list(0x5555563db5e0, 24 [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] <... mmap resumed>) = 0x7fc4ee163000 [pid 5911] <... prctl resumed>) = 0 [pid 5910] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5911] setpgid(0, 0 [pid 5910] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5908 attached [pid 5911] <... setpgid resumed>) = 0 [pid 5910] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5906] <... write resumed>) = 262144 [pid 5905] <... openat resumed>) = 4 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5908] set_robust_list(0x5555563db5e0, 24 [pid 5906] munmap(0x7fc4e5d63000, 262144 [pid 5905] ioctl(4, LOOP_SET_FD, 3 [pid 5911] <... openat resumed>) = 3 [pid 5910] <... clone resumed>, parent_tid=[5912], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5912 [pid 5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5906] <... munmap resumed>) = 0 [pid 5905] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5911] write(3, "1000", 4 [pid 5910] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... write resumed>) = 262144 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5905] ioctl(4, LOOP_CLR_FD [pid 5911] <... write resumed>) = 4 [pid 5910] <... futex resumed>) = 0 [pid 5911] close(3 [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5908] <... prctl resumed>) = 0 [pid 5906] <... openat resumed>) = 4 [pid 5905] <... ioctl resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] setpgid(0, 0 [pid 5906] ioctl(4, LOOP_SET_FD, 3 [pid 5911] <... futex resumed>) = 0 [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] <... setpgid resumed>) = 0 [pid 5906] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5911] <... mmap resumed>) = 0x7fc4ee163000 [pid 5909] munmap(0x7fc4e5d63000, 262144 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] ioctl(4, LOOP_CLR_FD [pid 5911] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5909] <... munmap resumed>) = 0 [pid 5908] <... openat resumed>) = 3 [pid 5906] <... ioctl resumed>) = 0 [pid 5911] <... mprotect resumed>) = 0 [pid 5908] write(3, "1000", 4 [pid 5905] ioctl(4, LOOP_SET_FD, 3 [pid 5911] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5909] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5908] <... write resumed>) = 4 [pid 5905] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] <... openat resumed>) = 4 [pid 5908] close(3 [pid 5905] close(4 [pid 5911] <... clone resumed>, parent_tid=[5913], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5913 [pid 5909] ioctl(4, LOOP_SET_FD, 3 [pid 5911] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5908] <... close resumed>) = 0 [pid 5905] <... close resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5909] ioctl(4, LOOP_CLR_FD [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5909] <... ioctl resumed>) = 0 [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] ioctl(4, LOOP_SET_FD, 3 [pid 5905] close(3 [pid 5908] <... futex resumed>) = 0 [pid 5906] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5913 attached ./strace-static-x86_64: Process 5912 attached [pid 5908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] close(4 [pid 5905] <... close resumed>) = 0 [pid 5909] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5908] <... mmap resumed>) = 0x7fc4ee163000 [pid 5906] <... close resumed>) = 0 [pid 5905] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] close(4) = 0 [pid 5908] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5906] close(3 [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5909] close(3) = 0 [pid 5908] <... mprotect resumed>) = 0 [pid 5909] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... close resumed>) = 0 [pid 5905] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5909] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5909] fspick(AT_FDCWD, ".", 0 [pid 5907] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] <... futex resumed>) = 0 [pid 5909] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5908] <... clone resumed>, parent_tid=[5914], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5914 [pid 5907] <... futex resumed>) = 0 [pid 5905] fspick(AT_FDCWD, ".", 0 [pid 5906] <... futex resumed>) = 1 [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... futex resumed>) = 0 [pid 5913] set_robust_list(0x7fc4ee1839e0, 24 [pid 5909] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... set_robust_list resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5908] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] fspick(AT_FDCWD, ".", 0 [pid 5905] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5900] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] memfd_create("syzkaller", 0 [pid 5909] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] <... futex resumed>) = 0 [pid 5907] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... memfd_create resumed>) = 3 [pid 5912] set_robust_list(0x7fc4ee1839e0, 24 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5906] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5905] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5909] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5912] memfd_create("syzkaller", 0 [pid 5909] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5906] <... futex resumed>) = 0 [pid 5905] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5912] <... memfd_create resumed>) = 3 [pid 5909] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5906] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] <... futex resumed>) = 0 [pid 5900] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5914 attached [pid 5912] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5909] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] set_robust_list(0x7fc4ee1839e0, 24 [pid 5913] <... write resumed>) = 262144 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... futex resumed>) = 0 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] munmap(0x7fc4e5d63000, 262144 [pid 5912] <... write resumed>) = 262144 [pid 5909] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... munmap resumed>) = 0 [pid 5912] munmap(0x7fc4e5d63000, 262144 [pid 5909] <... openat resumed>) = 3 [pid 5906] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5905] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... memfd_create resumed>) = 3 [pid 5913] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5912] <... munmap resumed>) = 0 [pid 5909] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] <... openat resumed>) = 4 [pid 5912] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5909] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5906] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5905] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5912] <... openat resumed>) = 4 [pid 5909] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5914] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5913] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] ioctl(4, LOOP_SET_FD, 3 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5913] ioctl(4, LOOP_CLR_FD [pid 5912] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5907] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5905] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... ioctl resumed>) = 0 [pid 5912] ioctl(4, LOOP_CLR_FD [pid 5909] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5906] <... openat resumed>) = 3 [pid 5903] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... ioctl resumed>) = 0 [pid 5909] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 0 [pid 5905] <... openat resumed>) = 3 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] exit_group(0 [pid 5906] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] ioctl(4, LOOP_SET_FD, 3 [pid 5909] <... futex resumed>) = ? [pid 5907] <... exit_group resumed>) = ? [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5913] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5905] <... futex resumed>) = 1 [pid 5906] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5903] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5913] close(4 [pid 5912] ioctl(4, LOOP_SET_FD, 3 [pid 5906] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5905] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... close resumed>) = 0 [pid 5912] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5906] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5913] close(3 [pid 5912] close(4 [pid 5906] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5914] <... write resumed>) = 262144 [pid 5913] <... close resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5906] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5903] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] exit_group(0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] close(3 [pid 5906] <... futex resumed>) = ? [pid 5905] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5900] <... exit_group resumed>) = ? [pid 5914] munmap(0x7fc4e5d63000, 262144 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... close resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5906] +++ exited with 0 +++ [pid 5905] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5913] fspick(AT_FDCWD, ".", 0 [pid 5912] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 0 [pid 5900] +++ exited with 0 +++ [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5913] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5905] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] fspick(AT_FDCWD, ".", 0 [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... futex resumed>) = ? [pid 5903] <... exit_group resumed>) = ? [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] close(3 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5911] <... futex resumed>) = 0 [pid 5905] +++ exited with 0 +++ [pid 5004] <... restart_syscall resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] <... munmap resumed>) = 0 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5903] +++ exited with 0 +++ [pid 5914] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5913] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5912] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5915 [pid 5914] <... openat resumed>) = 4 [pid 5913] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5913] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5911] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5914] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5913] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5914] ioctl(4, LOOP_CLR_FD [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5914] <... ioctl resumed>) = 0 [pid 5913] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5912] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5913] <... openat resumed>) = 3 [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5913] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5916 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5913] <... futex resumed>) = 1 [pid 5912] <... openat resumed>) = 3 [pid 5911] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 5914] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5913] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5912] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] close(4 [pid 5913] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... futex resumed>) = 0 [pid 5914] <... close resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5910] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5917 [pid 5914] close(3 [pid 5913] <... futex resumed>) = 1 [pid 5912] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5911] <... futex resumed>) = 0 [pid 5913] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] exit_group(0 [pid 5913] <... futex resumed>) = ? [pid 5912] <... futex resumed>) = 1 [pid 5911] <... exit_group resumed>) = ? [pid 5910] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5915 attached [pid 5914] <... close resumed>) = 0 [pid 5913] +++ exited with 0 +++ [pid 5912] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] +++ exited with 0 +++ [pid 5910] exit_group(0 [pid 5914] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = ? [pid 5910] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5915] set_robust_list(0x5555563db5e0, 24 [pid 5914] <... futex resumed>) = 1 [pid 5912] +++ exited with 0 +++ [pid 5910] +++ exited with 0 +++ [pid 5908] <... futex resumed>) = 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] fspick(AT_FDCWD, ".", 0 [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 5914] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5914] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5914] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5914] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] <... prctl resumed>) = 0 [pid 5914] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5916 attached [pid 5914] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5918 [pid 5915] setpgid(0, 0./strace-static-x86_64: Process 5917 attached [pid 5916] set_robust_list(0x5555563db5e0, 24 [pid 5914] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5914] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5915] <... setpgid resumed>) = 0 [pid 5917] set_robust_list(0x5555563db5e0, 24 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5916] <... prctl resumed>) = 0 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5916] setpgid(0, 0 [pid 5914] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... setpgid resumed>) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] <... openat resumed>) = 3 [pid 5914] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5915] write(3, "1000", 4 [pid 5914] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5917] <... prctl resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] setpgid(0, 0 [pid 5916] write(3, "1000", 4 [pid 5915] <... write resumed>) = 4 [pid 5914] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5918 attached [pid 5916] <... write resumed>) = 4 [pid 5915] close(3 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5908] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5919 ./strace-static-x86_64: Process 5919 attached [pid 5918] set_robust_list(0x5555563db5e0, 24 [pid 5917] <... setpgid resumed>) = 0 [pid 5916] close(3 [pid 5915] <... close resumed>) = 0 [pid 5914] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5908] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... set_robust_list resumed>) = 0 [pid 5916] <... close resumed>) = 0 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5919] set_robust_list(0x5555563db5e0, 24 [pid 5918] <... prctl resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5918] setpgid(0, 0 [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5917] <... openat resumed>) = 3 [pid 5915] <... futex resumed>) = 0 [pid 5914] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... setpgid resumed>) = 0 [pid 5916] <... mmap resumed>) = 0x7fc4ee163000 [pid 5915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5914] <... futex resumed>) = 1 [pid 5908] <... futex resumed>) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5917] write(3, "1000", 4 [pid 5916] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... mmap resumed>) = 0x7fc4ee163000 [pid 5914] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] exit_group(0 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] <... openat resumed>) = 3 [pid 5917] <... write resumed>) = 4 [pid 5916] <... mprotect resumed>) = 0 [pid 5919] <... prctl resumed>) = 0 [pid 5918] write(3, "1000", 4 [pid 5917] close(3 [pid 5916] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5915] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5914] <... futex resumed>) = ? [pid 5908] <... exit_group resumed>) = ? [pid 5919] setpgid(0, 0 [pid 5918] <... write resumed>) = 4 [pid 5917] <... close resumed>) = 0 [pid 5915] <... mprotect resumed>) = 0 [pid 5914] +++ exited with 0 +++ [pid 5918] close(3 [pid 5916] <... clone resumed>, parent_tid=[5920], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5920 [pid 5918] <... close resumed>) = 0 [pid 5916] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] +++ exited with 0 +++ [pid 5918] <... mmap resumed>) = 0x7fc4ee163000 [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5919] <... setpgid resumed>) = 0 [pid 5918] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5917] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] <... mprotect resumed>) = 0 [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... clone resumed>, parent_tid=[5921], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5921 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5919] <... openat resumed>) = 3 [pid 5918] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5917] <... mmap resumed>) = 0x7fc4ee163000 [pid 5915] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] write(3, "1000", 4 [pid 5917] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... futex resumed>) = 0 [pid 5918] <... clone resumed>, parent_tid=[5922], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5922 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5917] <... mprotect resumed>) = 0 [pid 5919] <... write resumed>) = 4 [pid 5918] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5919] close(3 [pid 5918] <... futex resumed>) = 0 [pid 5917] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = 0 [pid 5919] <... close resumed>) = 0 [pid 5917] <... clone resumed>, parent_tid=[5923], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5923 [pid 5003] close(3 [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5924 ./strace-static-x86_64: Process 5920 attached [pid 5919] <... mmap resumed>) = 0x7fc4ee163000 [pid 5920] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5919] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5920] memfd_create("syzkaller", 0 [pid 5919] <... mprotect resumed>) = 0 [pid 5920] <... memfd_create resumed>) = 3 [pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5919] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5920] <... mmap resumed>) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5923 attached [pid 5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5919] <... clone resumed>, parent_tid=[5925], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5925 [pid 5923] set_robust_list(0x7fc4ee1839e0, 24 [pid 5919] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5922 attached [pid 5922] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5923] memfd_create("syzkaller", 0) = 3 [pid 5922] memfd_create("syzkaller", 0 [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] <... memfd_create resumed>) = 3 [pid 5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5925 attached ./strace-static-x86_64: Process 5921 attached [pid 5923] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5922] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5925] set_robust_list(0x7fc4ee1839e0, 24 [pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5922] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5921] set_robust_list(0x7fc4ee1839e0, 24 [pid 5920] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5924 attached [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] set_robust_list(0x5555563db5e0, 24 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5920] munmap(0x7fc4e5d63000, 262144 [pid 5925] memfd_create("syzkaller", 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] memfd_create("syzkaller", 0 [pid 5925] <... memfd_create resumed>) = 3 [pid 5924] <... prctl resumed>) = 0 [pid 5921] <... memfd_create resumed>) = 3 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5924] setpgid(0, 0 [pid 5923] <... write resumed>) = 262144 [pid 5922] <... write resumed>) = 262144 [pid 5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] <... munmap resumed>) = 0 [pid 5924] <... setpgid resumed>) = 0 [pid 5920] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5925] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] munmap(0x7fc4e5d63000, 262144 [pid 5921] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5920] <... openat resumed>) = 4 [pid 5924] <... openat resumed>) = 3 [pid 5920] ioctl(4, LOOP_SET_FD, 3 [pid 5924] write(3, "1000", 4 [pid 5920] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5924] <... write resumed>) = 4 [pid 5920] ioctl(4, LOOP_CLR_FD [pid 5924] close(3 [pid 5920] <... ioctl resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5922] munmap(0x7fc4e5d63000, 262144 [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5922] <... munmap resumed>) = 0 [pid 5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5924] <... mmap resumed>) = 0x7fc4ee163000 [pid 5922] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5924] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5922] <... openat resumed>) = 4 [pid 5920] ioctl(4, LOOP_SET_FD, 3 [pid 5924] <... mprotect resumed>) = 0 [pid 5922] ioctl(4, LOOP_SET_FD, 3 [pid 5920] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5924] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5922] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5920] close(4 [pid 5922] ioctl(4, LOOP_CLR_FD [pid 5920] <... close resumed>) = 0 [pid 5924] <... clone resumed>, parent_tid=[5926], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5926 [pid 5922] <... ioctl resumed>) = 0 [pid 5920] close(3 [pid 5924] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... munmap resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5920] <... close resumed>) = 0 [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5920] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5920] fspick(AT_FDCWD, ".", 0 [pid 5916] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... futex resumed>) = 0 [pid 5920] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... write resumed>) = 262144 [pid 5920] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5916] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... futex resumed>) = 0 [pid 5922] ioctl(4, LOOP_SET_FD, 3 [pid 5920] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5922] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5920] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] close(4 [pid 5920] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5916] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... close resumed>) = 0 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 0 [pid 5922] close(3 [pid 5920] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... close resumed>) = 0 [pid 5920] <... openat resumed>) = 3 [pid 5922] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 1 [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5922] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5922] fspick(AT_FDCWD, ".", 0 [pid 5920] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5920] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5922] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 1 [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5922] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] exit_group(0./strace-static-x86_64: Process 5926 attached [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... futex resumed>) = ? [pid 5918] <... futex resumed>) = 0 [pid 5916] <... exit_group resumed>) = ? [pid 5926] set_robust_list(0x7fc4ee1839e0, 24 [pid 5925] munmap(0x7fc4e5d63000, 262144 [pid 5923] <... openat resumed>) = 4 [pid 5922] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5921] <... write resumed>) = 262144 [pid 5920] +++ exited with 0 +++ [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] +++ exited with 0 +++ [pid 5926] <... set_robust_list resumed>) = 0 [pid 5923] ioctl(4, LOOP_SET_FD, 3 [pid 5922] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5921] munmap(0x7fc4e5d63000, 262144 [pid 5926] memfd_create("syzkaller", 0 [pid 5925] <... munmap resumed>) = 0 [pid 5922] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5926] <... memfd_create resumed>) = 3 [pid 5923] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5923] ioctl(4, LOOP_CLR_FD [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5925] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5923] <... ioctl resumed>) = 0 [pid 5922] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5921] <... munmap resumed>) = 0 [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] <... write resumed>) = 262144 [pid 5925] <... openat resumed>) = 4 [pid 5922] <... openat resumed>) = 3 [pid 5921] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5922] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... openat resumed>) = 4 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5925] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] <... futex resumed>) = 1 [pid 5921] ioctl(4, LOOP_SET_FD, 3 [pid 5918] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5925] ioctl(4, LOOP_CLR_FD [pid 5922] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5926] munmap(0x7fc4e5d63000, 262144 [pid 5925] <... ioctl resumed>) = 0 [pid 5922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5918] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5923] ioctl(4, LOOP_SET_FD, 3 [pid 5922] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5918] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 5926] <... munmap resumed>) = 0 [pid 5922] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] <... close resumed>) = 0 [pid 5921] ioctl(4, LOOP_CLR_FD [pid 5926] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5923] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5921] <... ioctl resumed>) = 0 [pid 5926] <... openat resumed>) = 4 [pid 5923] close(4 [pid 5922] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5923] <... close resumed>) = 0 [pid 5922] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] exit_group(0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5927 [pid 5926] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] <... futex resumed>) = ? [pid 5918] <... exit_group resumed>) = ? [pid 5926] ioctl(4, LOOP_CLR_FD [pid 5925] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5923] close(3 [pid 5922] +++ exited with 0 +++ [pid 5918] +++ exited with 0 +++ [pid 5926] <... ioctl resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5925] close(4 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5925] <... close resumed>) = 0 [pid 5923] <... close resumed>) = 0 [pid 5921] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 5001] close(3 [pid 5925] close(3 [pid 5923] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] <... close resumed>) = 0 [pid 5921] close(4 [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5923] <... futex resumed>) = 1 [pid 5917] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5928 [pid 5926] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5926] close(4 [pid 5925] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] fspick(AT_FDCWD, ".", 0 [pid 5921] <... close resumed>) = 0 [pid 5917] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... close resumed>) = 0 [pid 5921] close(3 [pid 5926] close(3 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5926] <... close resumed>) = 0 [pid 5921] <... close resumed>) = 0 [pid 5919] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] fspick(AT_FDCWD, ".", 0 [pid 5926] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 0 [pid 5921] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... futex resumed>) = 1 [pid 5925] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 1 [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5928 attached [pid 5926] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] <... futex resumed>) = 0 [pid 5924] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... futex resumed>) = 0 [pid 5915] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] set_robust_list(0x5555563db5e0, 24 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 0 [pid 5923] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] <... futex resumed>) = 0 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5926] fspick(AT_FDCWD, ".", 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5921] fspick(AT_FDCWD, ".", 0 [pid 5919] <... futex resumed>) = 0 [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5925] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5923] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... prctl resumed>) = 0 [pid 5926] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... futex resumed>) = 1 [pid 5921] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5928] setpgid(0, 0 [pid 5926] <... futex resumed>) = 1 [pid 5925] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 1 [pid 5917] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5928] <... setpgid resumed>) = 0 [pid 5926] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] <... futex resumed>) = 1 [pid 5924] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5915] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 0 [pid 5923] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] <... futex resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5926] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] write(3, "1000", 4 [pid 5926] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5928] <... write resumed>) = 4 [pid 5926] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5923] <... openat resumed>) = 3 [pid 5921] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5919] <... futex resumed>) = 0 [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] close(3 [pid 5926] <... futex resumed>) = 1 [pid 5925] <... openat resumed>) = 3 [pid 5924] <... futex resumed>) = 0 [pid 5921] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... close resumed>) = 0 [pid 5926] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 1 [pid 5921] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... futex resumed>) = 0 [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 1 [pid 5919] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5926] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5925] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... futex resumed>) = 0 [pid 5917] <... futex resumed>) = 0 [pid 5915] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5926] <... openat resumed>) = 3 [pid 5925] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5923] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5927 attached [pid 5928] <... mmap resumed>) = 0x7fc4ee163000 [pid 5926] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5921] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5926] <... futex resumed>) = 1 [pid 5925] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... openat resumed>) = 3 [pid 5919] exit_group(0 [pid 5928] <... mprotect resumed>) = 0 [pid 5927] set_robust_list(0x5555563db5e0, 24 [pid 5926] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... futex resumed>) = 1 [pid 5921] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... exit_group resumed>) = ? [pid 5917] <... futex resumed>) = 0 [pid 5928] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5925] +++ exited with 0 +++ [pid 5924] <... futex resumed>) = 0 [pid 5923] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 1 [pid 5926] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5924] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... clone resumed>, parent_tid=[5929], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5929 [pid 5926] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5928] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] +++ exited with 0 +++ [pid 5915] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5921] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] exit_group(0 [pid 5915] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] exit_group(0 [pid 5923] <... futex resumed>) = ? [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... exit_group resumed>) = ? [pid 5915] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5926] <... futex resumed>) = ? [pid 5924] <... exit_group resumed>) = ? [pid 5923] +++ exited with 0 +++ [pid 5921] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5002] <... restart_syscall resumed>) = 0 [pid 5926] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5921] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5917] +++ exited with 0 +++ [pid 5915] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5921] <... futex resumed>) = 0 [pid 5915] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5927] <... prctl resumed>) = 0 [pid 5915] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5921] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5930 [pid 5927] setpgid(0, 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5003] <... ioctl resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... openat resumed>) = 3 [pid 5003] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 5000] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 4999] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5931 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5932 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5933 ./strace-static-x86_64: Process 5929 attached [pid 5929] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5929] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5930 attached [pid 5930] set_robust_list(0x5555563db5e0, 24 [pid 5929] <... memfd_create resumed>) = 3 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5927] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5931 attached [pid 5930] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5932 attached [pid 5931] set_robust_list(0x5555563db5e0, 24 [pid 5930] setpgid(0, 0 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] set_robust_list(0x5555563db5e0, 24 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... setpgid resumed>) = 0 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5927] <... openat resumed>) = 3 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... prctl resumed>) = 0 [pid 5930] <... openat resumed>) = 3 [pid 5927] write(3, "1000", 4 [pid 5930] write(3, "1000", 4) = 4 [pid 5930] close(3) = 0 [pid 5927] <... write resumed>) = 4 [pid 5932] <... prctl resumed>) = 0 [pid 5931] setpgid(0, 0 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] close(3 [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] setpgid(0, 0 [pid 5931] <... setpgid resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7fc4ee163000 [pid 5927] <... close resumed>) = 0 ./strace-static-x86_64: Process 5933 attached [pid 5932] <... setpgid resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] set_robust_list(0x5555563db5e0, 24 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] <... openat resumed>) = 3 [pid 5930] <... mprotect resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5931] write(3, "1000", 4 [pid 5930] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... openat resumed>) = 3 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... write resumed>) = 4 [pid 5929] <... write resumed>) = 262144 [pid 5927] <... mmap resumed>) = 0x7fc4ee163000 [pid 5933] <... prctl resumed>) = 0 [pid 5932] write(3, "1000", 4 [pid 5930] <... clone resumed>, parent_tid=[5934], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5934 [pid 5929] munmap(0x7fc4e5d63000, 262144 [pid 5931] close(3 [pid 5927] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5933] setpgid(0, 0 [pid 5932] <... write resumed>) = 4 [pid 5931] <... close resumed>) = 0 [pid 5930] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... munmap resumed>) = 0 [pid 5927] <... mprotect resumed>) = 0 [pid 5933] <... setpgid resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5929] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] close(3 [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5929] <... openat resumed>) = 4 [pid 5927] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5933] <... openat resumed>) = 3 [pid 5931] <... futex resumed>) = 0 [pid 5929] ioctl(4, LOOP_SET_FD, 3 [pid 5932] <... close resumed>) = 0 [pid 5933] write(3, "1000", 4 [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] <... clone resumed>, parent_tid=[5935], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5935 [pid 5933] <... write resumed>) = 4 [pid 5929] ioctl(4, LOOP_CLR_FD [pid 5933] close(3 [pid 5929] <... ioctl resumed>) = 0 [pid 5933] <... close resumed>) = 0 [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] <... mmap resumed>) = 0x7fc4ee163000 [pid 5927] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5932] <... mmap resumed>) = 0x7fc4ee163000 [pid 5931] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5927] <... futex resumed>) = 0 [pid 5933] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5929] ioctl(4, LOOP_SET_FD, 3 [pid 5933] <... mprotect resumed>) = 0 [pid 5932] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5931] <... mprotect resumed>) = 0 [pid 5929] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5933] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5932] <... mprotect resumed>) = 0 [pid 5931] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5929] close(4 [pid 5932] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5929] <... close resumed>) = 0 [pid 5933] <... clone resumed>, parent_tid=[5936], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5936 [pid 5929] close(3 [pid 5933] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... clone resumed>, parent_tid=[5937], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5937 [pid 5929] <... close resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... clone resumed>, parent_tid=[5938], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5938 [pid 5931] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5934 attached [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5932] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5932] <... futex resumed>) = 0 [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5929] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] set_robust_list(0x7fc4ee1839e0, 24 [pid 5935] set_robust_list(0x7fc4ee1839e0, 24 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5929] fspick(AT_FDCWD, ".", 0 [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] memfd_create("syzkaller", 0 [pid 5934] memfd_create("syzkaller", 0 [pid 5929] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5935] <... memfd_create resumed>) = 3 [pid 5934] <... memfd_create resumed>) = 3 [pid 5929] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5938 attached [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5929] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5938] set_robust_list(0x7fc4ee1839e0, 24 [pid 5935] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5934] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5929] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5938] memfd_create("syzkaller", 0 [pid 5935] <... write resumed>) = 262144 [pid 5934] <... write resumed>) = 262144 [pid 5929] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... memfd_create resumed>) = 3 [pid 5929] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5929] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5929] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5935] munmap(0x7fc4e5d63000, 262144 [pid 5929] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... munmap resumed>) = 0 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5929] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... write resumed>) = 262144 [pid 5935] <... openat resumed>) = 4 [pid 5929] <... openat resumed>) = 3 [pid 5935] ioctl(4, LOOP_SET_FD, 3 [pid 5929] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5929] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5935] ioctl(4, LOOP_CLR_FD [pid 5929] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... ioctl resumed>) = 0 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5929] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5928] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5929] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5929] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] exit_group(0 [pid 5938] munmap(0x7fc4e5d63000, 262144 [pid 5929] <... futex resumed>) = ? [pid 5928] <... exit_group resumed>) = ? [pid 5938] <... munmap resumed>) = 0 [pid 5929] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5935] ioctl(4, LOOP_SET_FD, 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5938] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5935] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] <... openat resumed>) = 4 [pid 5935] close(4 [pid 5938] ioctl(4, LOOP_SET_FD, 3 [pid 5935] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5938] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5935] close(3 [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5937 attached ./strace-static-x86_64: Process 5936 attached [pid 5938] ioctl(4, LOOP_CLR_FD [pid 5935] <... close resumed>) = 0 [pid 5934] munmap(0x7fc4e5d63000, 262144 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5938] <... ioctl resumed>) = 0 [pid 5937] set_robust_list(0x7fc4ee1839e0, 24 [pid 5936] set_robust_list(0x7fc4ee1839e0, 24 [pid 5935] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] <... futex resumed>) = 1 [pid 5934] <... munmap resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5935] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5937] memfd_create("syzkaller", 0 [pid 5936] memfd_create("syzkaller", 0 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5927] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5937] <... memfd_create resumed>) = 3 [pid 5936] <... memfd_create resumed>) = 3 [pid 5935] fspick(AT_FDCWD, ".", 0 [pid 5934] <... openat resumed>) = 4 [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] ioctl(4, LOOP_SET_FD, 3 [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5935] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5934] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5939 [pid 5938] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5935] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5938] close(4 [pid 5936] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5935] <... futex resumed>) = 1 [pid 5934] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] <... futex resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5935] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] close(3 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5935] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5934] ioctl(4, LOOP_CLR_FD [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5938] <... futex resumed>) = 1 [pid 5935] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5935] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5935] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5935] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5934] <... ioctl resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... openat resumed>) = 3 [pid 5935] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5935] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5935] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5927] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5935] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... write resumed>) = 262144 [pid 5935] <... futex resumed>) = 1 [pid 5932] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5935] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] exit_group(0 [pid 5935] <... futex resumed>) = ? [pid 5927] <... exit_group resumed>) = ? [pid 5938] <... futex resumed>) = 0 [pid 5937] munmap(0x7fc4e5d63000, 262144 [pid 5936] <... write resumed>) = 262144 [pid 5935] +++ exited with 0 +++ [pid 5932] <... futex resumed>) = 1 [pid 5927] +++ exited with 0 +++ [pid 5938] fspick(AT_FDCWD, ".", 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5938] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5938] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5938] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5939 attached [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5937] <... munmap resumed>) = 0 [pid 5934] ioctl(4, LOOP_SET_FD, 3 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] <... restart_syscall resumed>) = 0 [pid 5936] munmap(0x7fc4e5d63000, 262144 [pid 5934] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5932] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5936] <... munmap resumed>) = 0 [pid 5934] close(4 [pid 5932] <... futex resumed>) = 1 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5938] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5937] <... openat resumed>) = 4 [pid 5936] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5934] <... close resumed>) = 0 [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5938] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5938] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5937] ioctl(4, LOOP_SET_FD, 3 [pid 5936] <... openat resumed>) = 4 [pid 5934] close(3 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] close(3 [pid 5938] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5937] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] ioctl(4, LOOP_SET_FD, 3 [pid 5934] <... close resumed>) = 0 [pid 5932] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5938] <... futex resumed>) = 0 [pid 5937] ioctl(4, LOOP_CLR_FD [pid 5936] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5934] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 1 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5940 [pid 5939] <... prctl resumed>) = 0 [pid 5938] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5937] <... ioctl resumed>) = 0 [pid 5936] ioctl(4, LOOP_CLR_FD [pid 5934] <... futex resumed>) = 1 [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = 0 [pid 5939] setpgid(0, 0 [pid 5938] <... openat resumed>) = 3 [pid 5936] <... ioctl resumed>) = 0 [pid 5934] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... setpgid resumed>) = 0 [pid 5938] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] <... futex resumed>) = 1 [pid 5934] fspick(AT_FDCWD, ".", 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... openat resumed>) = 3 [pid 5938] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5932] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] write(3, "1000", 4 [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5940 attached [pid 5939] <... write resumed>) = 4 [pid 5938] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5937] ioctl(4, LOOP_SET_FD, 3 [pid 5934] <... futex resumed>) = 1 [pid 5932] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = 0 [pid 5940] set_robust_list(0x5555563db5e0, 24 [pid 5939] close(3 [pid 5938] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5937] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] ioctl(4, LOOP_SET_FD, 3 [pid 5934] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5939] <... close resumed>) = 0 [pid 5938] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] close(4 [pid 5936] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 1 [pid 5937] <... close resumed>) = 0 [pid 5936] close(4 [pid 5934] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... prctl resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5938] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] close(3 [pid 5936] <... close resumed>) = 0 [pid 5934] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5932] exit_group(0 [pid 5940] setpgid(0, 0 [pid 5939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] <... setpgid resumed>) = 0 [pid 5939] <... mmap resumed>) = 0x7fc4ee163000 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5939] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5938] <... futex resumed>) = ? [pid 5937] <... close resumed>) = 0 [pid 5936] close(3 [pid 5934] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... exit_group resumed>) = ? [pid 5940] <... openat resumed>) = 3 [pid 5939] <... mprotect resumed>) = 0 [pid 5938] +++ exited with 0 +++ [pid 5937] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] write(3, "1000", 4 [pid 5939] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5940] <... write resumed>) = 4 [pid 5936] <... close resumed>) = 0 [pid 5934] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = 0 [pid 5940] close(3 [pid 5939] <... clone resumed>, parent_tid=[5941], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5941 [pid 5940] <... close resumed>) = 0 [pid 5939] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5940] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5932] +++ exited with 0 +++ [pid 5930] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5940] <... mprotect resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5936] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5940] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5937] fspick(AT_FDCWD, ".", 0 [pid 5936] <... futex resumed>) = 1 [pid 5934] <... openat resumed>) = 3 [pid 5933] <... futex resumed>) = 0 [pid 5931] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5942 attached [pid 5937] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5933] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5940] <... clone resumed>, parent_tid=[5942], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5942 [pid 5933] <... futex resumed>) = 0 [pid 5936] fspick(AT_FDCWD, ".", 0 [pid 5934] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5942] set_robust_list(0x7fc4ee1839e0, 24 [pid 5940] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5937] <... futex resumed>) = 0 [pid 5930] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5936] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 5937] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... futex resumed>) = 1 [pid 5934] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5936] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5933] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5941 attached [pid 5942] memfd_create("syzkaller", 0 [pid 5937] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 5941] set_robust_list(0x7fc4ee1839e0, 24 [pid 5937] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5936] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5934] <... futex resumed>) = 0 [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] exit_group(0 [pid 5942] <... memfd_create resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5937] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5936] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5941] memfd_create("syzkaller", 0 [pid 5937] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] <... memfd_create resumed>) = 3 [pid 5937] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5943 [pid 5942] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5937] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5941] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5941] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5937] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5936] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5941] <... write resumed>) = 262144 [pid 5937] <... openat resumed>) = 3 [pid 5936] <... openat resumed>) = 3 [pid 5941] munmap(0x7fc4e5d63000, 262144 [pid 5937] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... write resumed>) = 262144 [pid 5941] <... munmap resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5942] munmap(0x7fc4e5d63000, 262144 [pid 5941] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5937] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5941] <... openat resumed>) = 4 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5941] ioctl(4, LOOP_SET_FD, 3 [pid 5937] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5936] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5933] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 5941] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5937] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5936] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] close(3 [pid 5941] ioctl(4, LOOP_CLR_FD [pid 5937] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5941] <... ioctl resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] set_robust_list(0x5555563db5e0, 24 [pid 5942] <... munmap resumed>) = 0 [pid 5937] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5933] exit_group(0 [pid 5931] exit_group(0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5942] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5937] <... futex resumed>) = ? [pid 5936] <... futex resumed>) = ? [pid 5933] <... exit_group resumed>) = ? [pid 5931] <... exit_group resumed>) = ? [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5944 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5943] <... prctl resumed>) = 0 [pid 5943] setpgid(0, 0) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5941] ioctl(4, LOOP_SET_FD, 3 [pid 5933] +++ exited with 0 +++ [pid 5943] write(3, "1000", 4 [pid 5941] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5943] <... write resumed>) = 4 [pid 5941] close(4 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5943] close(3 [pid 5941] <... close resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5943] <... close resumed>) = 0 [pid 5941] close(3 [pid 5931] +++ exited with 0 +++ [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... openat resumed>) = 4 [pid 5941] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5943] <... futex resumed>) = 0 [pid 5941] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5943] <... mmap resumed>) = 0x7fc4ee163000 [pid 5942] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5943] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5942] ioctl(4, LOOP_CLR_FD [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 4999] <... ioctl resumed>) = 0 [pid 5943] <... mprotect resumed>) = 0 [pid 5942] <... ioctl resumed>) = 0 [pid 5941] fspick(AT_FDCWD, ".", 0 [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] close(3 [pid 5943] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5941] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 5944 attached [pid 5941] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] set_robust_list(0x5555563db5e0, 24 [pid 5943] <... clone resumed>, parent_tid=[5945], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5945 [pid 5941] <... futex resumed>) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] ioctl(4, LOOP_SET_FD, 3 [pid 5941] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5946 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... futex resumed>) = 0 [pid 5942] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] close(4 [pid 5941] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5944] <... prctl resumed>) = 0 [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5947 [pid 5942] <... close resumed>) = 0 [pid 5941] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5944] setpgid(0, 0 [pid 5942] close(3 [pid 5941] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5939] <... futex resumed>) = 0 [pid 5941] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5939] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] <... futex resumed>) = 0 [pid 5941] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... close resumed>) = 0 [pid 5941] <... openat resumed>) = 3 [pid 5942] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 1 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5944] <... setpgid resumed>) = 0 [pid 5942] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] fspick(AT_FDCWD, ".", 0 [pid 5941] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5944] <... openat resumed>) = 3 [pid 5942] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] write(3, "1000", 4 [pid 5942] <... futex resumed>) = 1 [pid 5941] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5939] <... futex resumed>) = 0 [pid 5944] <... write resumed>) = 4 [pid 5942] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] exit_group(0 [pid 5944] close(3 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] <... futex resumed>) = ? [pid 5940] <... futex resumed>) = 0 [pid 5939] <... exit_group resumed>) = ? [pid 5944] <... close resumed>) = 0 [pid 5942] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5941] +++ exited with 0 +++ [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] +++ exited with 0 +++ [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5944] <... futex resumed>) = 0 [pid 5942] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5946 attached [pid 5944] <... mmap resumed>) = 0x7fc4ee163000 [pid 5942] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5945 attached [pid 5946] set_robust_list(0x5555563db5e0, 24 [pid 5944] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5942] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5944] <... mprotect resumed>) = 0 [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5942] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5947 attached [pid 5946] <... prctl resumed>) = 0 [pid 5942] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] set_robust_list(0x7fc4ee1839e0, 24 [pid 5001] close(3 [pid 5946] setpgid(0, 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5947] set_robust_list(0x5555563db5e0, 24 [pid 5944] <... clone resumed>, parent_tid=[5948], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5948 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5946] <... setpgid resumed>) = 0 [pid 5944] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] memfd_create("syzkaller", 0 [pid 5944] <... futex resumed>) = 0 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] <... futex resumed>) = 0 [pid 5946] <... openat resumed>) = 3 [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5942] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5940] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5949 [pid 5945] <... memfd_create resumed>) = 3 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] write(3, "1000", 4 [pid 5942] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5946] <... write resumed>) = 4 [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... prctl resumed>) = 0 [pid 5946] close(3 [pid 5942] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5946] <... close resumed>) = 0 [pid 5942] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5940] exit_group(0 [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = ? [pid 5940] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5948 attached [pid 5946] <... futex resumed>) = 0 [pid 5942] +++ exited with 0 +++ [pid 5948] set_robust_list(0x7fc4ee1839e0, 24 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7fc4ee163000 [pid 5948] memfd_create("syzkaller", 0 [pid 5946] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5948] <... memfd_create resumed>) = 3 [pid 5946] <... mprotect resumed>) = 0 [pid 5940] +++ exited with 0 +++ [pid 5948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5947] setpgid(0, 0 [pid 5946] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5945] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5948] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5948] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5946] <... clone resumed>, parent_tid=[5950], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5950 [pid 5946] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5946] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3 [pid 5945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] <... setpgid resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5951 [pid 5948] <... write resumed>) = 262144 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] <... write resumed>) = 262144 ./strace-static-x86_64: Process 5949 attached [pid 5947] <... openat resumed>) = 3 [pid 5945] munmap(0x7fc4e5d63000, 262144 [pid 5949] set_robust_list(0x5555563db5e0, 24 [pid 5947] write(3, "1000", 4 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] <... munmap resumed>) = 0 [pid 5947] <... write resumed>) = 4 [pid 5949] <... prctl resumed>) = 0 [pid 5949] setpgid(0, 0 [pid 5947] close(3 [pid 5945] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5949] <... setpgid resumed>) = 0 [pid 5948] munmap(0x7fc4e5d63000, 262144 [pid 5947] <... close resumed>) = 0 ./strace-static-x86_64: Process 5950 attached [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] <... munmap resumed>) = 0 [pid 5945] <... openat resumed>) = 4 [pid 5950] set_robust_list(0x7fc4ee1839e0, 24 [pid 5949] <... openat resumed>) = 3 [pid 5948] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] ioctl(4, LOOP_SET_FD, 3 [pid 5949] write(3, "1000", 4 [pid 5948] <... openat resumed>) = 4 [pid 5947] <... futex resumed>) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... write resumed>) = 4 [pid 5948] ioctl(4, LOOP_SET_FD, 3 [pid 5945] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5951 attached [pid 5949] close(3 [pid 5948] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] set_robust_list(0x5555563db5e0, 24 [pid 5950] memfd_create("syzkaller", 0 [pid 5949] <... close resumed>) = 0 [pid 5948] ioctl(4, LOOP_CLR_FD [pid 5947] <... mmap resumed>) = 0x7fc4ee163000 [pid 5945] ioctl(4, LOOP_CLR_FD [pid 5951] <... set_robust_list resumed>) = 0 [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... ioctl resumed>) = 0 [pid 5947] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5945] <... ioctl resumed>) = 0 [pid 5950] <... memfd_create resumed>) = 3 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5949] <... futex resumed>) = 0 [pid 5947] <... mprotect resumed>) = 0 [pid 5951] <... prctl resumed>) = 0 [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5951] setpgid(0, 0 [pid 5949] <... mmap resumed>) = 0x7fc4ee163000 [pid 5950] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5951] <... setpgid resumed>) = 0 [pid 5949] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... clone resumed>, parent_tid=[5952], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5952 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] <... mprotect resumed>) = 0 [pid 5947] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... openat resumed>) = 3 [pid 5949] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5948] ioctl(4, LOOP_SET_FD, 3 [pid 5947] <... futex resumed>) = 0 [pid 5951] write(3, "1000", 4 [pid 5948] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5945] ioctl(4, LOOP_SET_FD, 3 [pid 5951] <... write resumed>) = 4 [pid 5949] <... clone resumed>, parent_tid=[5953], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5953 [pid 5948] close(4 [pid 5945] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] close(3 [pid 5950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5949] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... close resumed>) = 0 [pid 5945] close(4 [pid 5951] <... close resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] close(3 [pid 5945] <... close resumed>) = 0 [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5948] <... close resumed>) = 0 [pid 5945] close(3 [pid 5951] <... futex resumed>) = 0 [pid 5948] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5948] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5951] <... mmap resumed>) = 0x7fc4ee163000 [pid 5948] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5944] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... close resumed>) = 0 [pid 5944] <... futex resumed>) = 0 [pid 5951] <... mprotect resumed>) = 0 [pid 5948] fspick(AT_FDCWD, ".", 0 [pid 5945] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5950] <... write resumed>) = 262144 [pid 5948] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5950] munmap(0x7fc4e5d63000, 262144 [pid 5948] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... clone resumed>, parent_tid=[5954], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5954 [pid 5948] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5943] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5953 attached [pid 5951] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] fspick(AT_FDCWD, ".", 0 [pid 5944] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] set_robust_list(0x7fc4ee1839e0, 24 [pid 5951] <... futex resumed>) = 0 [pid 5950] <... munmap resumed>) = 0 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... futex resumed>) = 0 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5948] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5945] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] memfd_create("syzkaller", 0 [pid 5950] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5948] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5953] <... memfd_create resumed>) = 3 [pid 5948] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5953] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5950] <... openat resumed>) = 4 [pid 5948] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5944] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5952 attached [pid 5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5944] <... futex resumed>) = 0 [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5953] <... write resumed>) = 262144 [pid 5948] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5945] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5954 attached [pid 5952] set_robust_list(0x7fc4ee1839e0, 24 [pid 5950] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5948] <... openat resumed>) = 3 [pid 5945] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5954] set_robust_list(0x7fc4ee1839e0, 24 [pid 5953] munmap(0x7fc4e5d63000, 262144 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5950] ioctl(4, LOOP_CLR_FD [pid 5948] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5943] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] <... munmap resumed>) = 0 [pid 5952] memfd_create("syzkaller", 0 [pid 5950] <... ioctl resumed>) = 0 [pid 5948] <... futex resumed>) = 1 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5952] <... memfd_create resumed>) = 3 [pid 5948] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... openat resumed>) = 3 [pid 5944] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] memfd_create("syzkaller", 0 [pid 5953] <... openat resumed>) = 4 [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] ioctl(4, LOOP_SET_FD, 3 [pid 5952] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5948] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5945] <... futex resumed>) = 0 [pid 5944] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5948] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5945] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5943] <... futex resumed>) = 0 [pid 5953] ioctl(4, LOOP_CLR_FD [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5948] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5943] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... ioctl resumed>) = 0 [pid 5950] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5948] <... futex resumed>) = 1 [pid 5945] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] close(4 [pid 5948] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... futex resumed>) = 0 [pid 5944] exit_group(0 [pid 5943] exit_group(0 [pid 5950] <... close resumed>) = 0 [pid 5948] <... futex resumed>) = ? [pid 5944] <... exit_group resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5950] close(3 [pid 5948] +++ exited with 0 +++ [pid 5945] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5953] ioctl(4, LOOP_SET_FD, 3 [pid 5952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5953] close(4) = 0 [pid 5950] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5953] close(3 [pid 5950] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5954] <... memfd_create resumed>) = 3 [pid 5953] <... close resumed>) = 0 [pid 5952] <... write resumed>) = 262144 [pid 5950] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5953] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5953] <... futex resumed>) = 1 [pid 5950] fspick(AT_FDCWD, ".", 0 [pid 5949] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5952] munmap(0x7fc4e5d63000, 262144 [pid 5002] close(3 [pid 5000] close(3 [pid 5954] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5953] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5949] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] fspick(AT_FDCWD, ".", 0 [pid 5952] <... munmap resumed>) = 0 [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5953] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5950] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5946] <... futex resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5955 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5956 [pid 5953] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... openat resumed>) = 4 [pid 5950] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... futex resumed>) = 1 [pid 5952] ioctl(4, LOOP_SET_FD, 3 [pid 5950] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... futex resumed>) = 0 [pid 5949] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] ioctl(4, LOOP_CLR_FD [pid 5950] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5949] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5953] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5950] <... openat resumed>) = 3 [pid 5953] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... ioctl resumed>) = 0 [pid 5953] <... futex resumed>) = 1 [pid 5950] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5953] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 1 [pid 5949] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... futex resumed>) = 0 [pid 5946] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... futex resumed>) = 0 [pid 5954] <... write resumed>) = 262144 [pid 5953] <... openat resumed>) = 3 [pid 5950] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5946] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5953] <... futex resumed>) = 1 [pid 5952] ioctl(4, LOOP_SET_FD, 3 [pid 5950] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5953] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... futex resumed>) = 1 [pid 5949] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] close(4 [pid 5950] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... futex resumed>) = 0 [pid 5946] exit_group(0 [pid 5953] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5952] <... close resumed>) = 0 [pid 5950] <... futex resumed>) = ? [pid 5949] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... exit_group resumed>) = ? [pid 5954] munmap(0x7fc4e5d63000, 262144 [pid 5953] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5952] close(3 [pid 5950] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5953] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5953] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5953] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] exit_group(0 [pid 5952] <... close resumed>) = 0 [pid 5953] <... futex resumed>) = ? [pid 5949] <... exit_group resumed>) = ? [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5956 attached [pid 5954] <... munmap resumed>) = 0 [pid 5953] +++ exited with 0 +++ [pid 5952] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] +++ exited with 0 +++ [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5955 attached [pid 5956] set_robust_list(0x5555563db5e0, 24 [pid 5952] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5956] <... set_robust_list resumed>) = 0 [pid 5955] set_robust_list(0x5555563db5e0, 24 [pid 5954] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5952] fspick(AT_FDCWD, ".", 0 [pid 5947] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] <... openat resumed>) = 4 [pid 5952] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5947] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5956] <... prctl resumed>) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] ioctl(4, LOOP_SET_FD, 3 [pid 5952] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 5956] setpgid(0, 0 [pid 5955] <... prctl resumed>) = 0 [pid 5954] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5952] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5956] <... setpgid resumed>) = 0 [pid 5955] setpgid(0, 0 [pid 5954] ioctl(4, LOOP_CLR_FD [pid 5952] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5947] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5955] <... setpgid resumed>) = 0 [pid 5954] <... ioctl resumed>) = 0 [pid 5952] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5947] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5957 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 5956] <... openat resumed>) = 3 [pid 5955] <... openat resumed>) = 3 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... close resumed>) = 0 [pid 5956] write(3, "1000", 4 [pid 5955] write(3, "1000", 4 [pid 5952] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5956] <... write resumed>) = 4 [pid 5955] <... write resumed>) = 4 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5956] close(3 [pid 5955] close(3 [pid 5954] ioctl(4, LOOP_SET_FD, 3 [pid 5952] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5958 [pid 5955] <... close resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5954] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5956] <... close resumed>) = 0 [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5954] close(4 [pid 5952] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] <... close resumed>) = 0 [pid 5952] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5947] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] <... mmap resumed>) = 0x7fc4ee163000 [pid 5954] close(3 [pid 5952] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5947] <... futex resumed>) = 0 [pid 5955] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5952] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... mprotect resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5947] exit_group(0 [pid 5952] ???( [pid 5956] <... mmap resumed>) = 0x7fc4ee163000 [pid 5954] <... close resumed>) = 0 [pid 5952] <... ??? resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5956] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5955] <... clone resumed>, parent_tid=[5959], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5959 [pid 5954] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] +++ exited with 0 +++ [pid 5955] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5958 attached [pid 5958] set_robust_list(0x5555563db5e0, 24 [pid 5947] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5958] <... set_robust_list resumed>) = 0 [pid 5956] <... mprotect resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5951] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5954] fspick(AT_FDCWD, ".", 0 [pid 5951] <... futex resumed>) = 0 [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5956] <... clone resumed>, parent_tid=[5960], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5960 [pid 5954] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5957 attached [pid 5958] <... prctl resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5954] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] setpgid(0, 0 [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5958] <... setpgid resumed>) = 0 [pid 5954] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5958] <... openat resumed>) = 3 [pid 5957] set_robust_list(0x5555563db5e0, 24 [pid 5954] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5958] write(3, "1000", 4 [pid 5954] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5958] <... write resumed>) = 4 [pid 5954] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5958] close(3 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5959 attached [pid 5958] <... close resumed>) = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] set_robust_list(0x7fc4ee1839e0, 24 [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5961 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... prctl resumed>) = 0 [pid 5954] <... openat resumed>) = 3 [pid 5959] memfd_create("syzkaller", 0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5957] setpgid(0, 0 [pid 5954] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5960 attached [pid 5959] <... memfd_create resumed>) = 3 [pid 5958] <... mmap resumed>) = 0x7fc4ee163000 [pid 5957] <... setpgid resumed>) = 0 [pid 5954] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5958] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5954] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] set_robust_list(0x7fc4ee1839e0, 24 [pid 5959] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5958] <... mprotect resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] <... futex resumed>) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5958] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5957] <... openat resumed>) = 3 [pid 5954] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5951] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5957] write(3, "1000", 4 [pid 5954] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5960] memfd_create("syzkaller", 0 [pid 5959] <... write resumed>) = 262144 [pid 5958] <... clone resumed>, parent_tid=[5962], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5962 [pid 5957] <... write resumed>) = 4 [pid 5954] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] close(3 [pid 5954] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5960] <... memfd_create resumed>) = 3 [pid 5958] <... futex resumed>) = 0 [pid 5957] <... close resumed>) = 0 [pid 5954] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] exit_group(0 [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5954] <... futex resumed>) = ? [pid 5951] <... exit_group resumed>) = ? [pid 5959] munmap(0x7fc4e5d63000, 262144 [pid 5954] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5957] <... futex resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5959] <... munmap resumed>) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5961 attached [pid 5959] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5004] <... openat resumed>) = 3 [pid 5961] set_robust_list(0x5555563db5e0, 24 [pid 5959] <... openat resumed>) = 4 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5961] <... set_robust_list resumed>) = 0 [pid 5959] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... ioctl resumed>) = 0 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5959] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] close(3 [pid 5961] <... prctl resumed>) = 0 [pid 5959] ioctl(4, LOOP_CLR_FD [pid 5957] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] <... close resumed>) = 0 [pid 5961] setpgid(0, 0 [pid 5959] <... ioctl resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] <... setpgid resumed>) = 0 [pid 5960] <... write resumed>) = 262144 [pid 5957] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5962 attached [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] munmap(0x7fc4e5d63000, 262144 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5963 [pid 5962] set_robust_list(0x7fc4ee1839e0, 24 [pid 5961] <... openat resumed>) = 3 [pid 5957] <... mprotect resumed>) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] write(3, "1000", 4 [pid 5957] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5962] memfd_create("syzkaller", 0 [pid 5961] <... write resumed>) = 4 [pid 5960] <... munmap resumed>) = 0 [pid 5962] <... memfd_create resumed>) = 3 [pid 5961] close(3 [pid 5960] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5959] ioctl(4, LOOP_SET_FD, 3 [pid 5957] <... clone resumed>, parent_tid=[5964], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5964 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] <... close resumed>) = 0 [pid 5959] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... openat resumed>) = 4 [pid 5959] close(4 [pid 5957] <... futex resumed>) = 0 [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5961] <... futex resumed>) = 0 [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5959] <... close resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] close(3./strace-static-x86_64: Process 5963 attached [pid 5962] <... write resumed>) = 262144 [pid 5961] <... mmap resumed>) = 0x7fc4ee163000 [pid 5960] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5959] <... close resumed>) = 0 [pid 5961] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5960] ioctl(4, LOOP_CLR_FD [pid 5959] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5964 attached [pid 5963] set_robust_list(0x5555563db5e0, 24 [pid 5961] <... mprotect resumed>) = 0 [pid 5960] <... ioctl resumed>) = 0 [pid 5959] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5964] set_robust_list(0x7fc4ee1839e0, 24 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5961] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5959] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] munmap(0x7fc4e5d63000, 262144 [pid 5955] <... futex resumed>) = 0 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] <... munmap resumed>) = 0 [pid 5961] <... clone resumed>, parent_tid=[5965], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5965 [pid 5959] fspick(AT_FDCWD, ".", 0 [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... prctl resumed>) = 0 [pid 5962] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5961] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5964] memfd_create("syzkaller", 0 [pid 5963] setpgid(0, 0 [pid 5962] <... openat resumed>) = 4 [pid 5961] <... futex resumed>) = 0 [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5959] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] ioctl(4, LOOP_SET_FD, 3 [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5959] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5960] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] <... setpgid resumed>) = 0 [pid 5964] <... memfd_create resumed>) = 3 [pid 5962] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5959] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] ioctl(4, LOOP_CLR_FD [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5962] <... ioctl resumed>) = 0 [pid 5959] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5959] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] close(4 [pid 5959] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] <... close resumed>) = 0 [pid 5959] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5963] <... openat resumed>) = 3 [pid 5960] close(3 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5959] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] write(3, "1000", 4 [pid 5960] <... close resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5964] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5963] <... write resumed>) = 4 [pid 5962] ioctl(4, LOOP_SET_FD, 3 [pid 5960] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] close(3 [pid 5962] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5959] <... futex resumed>) = 1 [pid 5955] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5965 attached [pid 5962] close(4 [pid 5959] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] set_robust_list(0x7fc4ee1839e0, 24 [pid 5962] <... close resumed>) = 0 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] <... futex resumed>) = 0 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5962] close(3 [pid 5959] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5955] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] memfd_create("syzkaller", 0 [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5963] <... close resumed>) = 0 [pid 5962] <... close resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5959] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5956] <... futex resumed>) = 0 [pid 5965] <... memfd_create resumed>) = 3 [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5963] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5965] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5962] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] fspick(AT_FDCWD, ".", 0 [pid 5959] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] exit_group(0 [pid 5965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5964] <... write resumed>) = 262144 [pid 5963] <... mmap resumed>) = 0x7fc4ee163000 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5959] <... futex resumed>) = ? [pid 5958] <... futex resumed>) = 0 [pid 5955] <... exit_group resumed>) = ? [pid 5964] munmap(0x7fc4e5d63000, 262144 [pid 5963] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5962] fspick(AT_FDCWD, ".", 0 [pid 5960] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] +++ exited with 0 +++ [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] +++ exited with 0 +++ [pid 5965] <... write resumed>) = 262144 [pid 5962] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5965] munmap(0x7fc4e5d63000, 262144 [pid 5964] <... munmap resumed>) = 0 [pid 5962] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... munmap resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5963] <... mprotect resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5962] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5965] <... openat resumed>) = 4 [pid 5964] <... openat resumed>) = 4 [pid 5963] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] <... futex resumed>) = 0 [pid 5956] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5965] ioctl(4, LOOP_SET_FD, 3 [pid 5962] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5965] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5962] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5965] ioctl(4, LOOP_CLR_FD [pid 5962] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 5964] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] <... clone resumed>, parent_tid=[5966], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5966 [pid 5965] <... ioctl resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5960] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5958] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5964] ioctl(4, LOOP_CLR_FD [pid 5963] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... ioctl resumed>) = 0 [pid 5963] <... futex resumed>) = 0 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5962] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5960] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5967 [pid 5962] <... openat resumed>) = 3 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5965] ioctl(4, LOOP_SET_FD, 3 [pid 5962] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5962] <... futex resumed>) = 1 [pid 5960] <... openat resumed>) = 3 [pid 5958] <... futex resumed>) = 0 [pid 5965] close(4 [pid 5964] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... close resumed>) = 0 [pid 5964] close(4 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 0 [pid 5965] close(3 [pid 5964] <... close resumed>) = 0 [pid 5962] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5960] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... close resumed>) = 0 [pid 5964] close(3 [pid 5962] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5965] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... close resumed>) = 0 [pid 5962] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5958] exit_group(0 [pid 5956] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... futex resumed>) = ? [pid 5961] <... futex resumed>) = 0 [pid 5960] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5958] <... exit_group resumed>) = ? [pid 5956] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5966 attached [pid 5965] fspick(AT_FDCWD, ".", 0 [pid 5964] <... futex resumed>) = 1 [pid 5962] +++ exited with 0 +++ [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] +++ exited with 0 +++ [pid 5957] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5964] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] exit_group(0 [pid 5966] set_robust_list(0x7fc4ee1839e0, 24 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5965] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 0 [pid 5956] <... exit_group resumed>) = ? [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5964] fspick(AT_FDCWD, ".", 0 [pid 5961] <... futex resumed>) = 0 [pid 5960] +++ exited with 0 +++ [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5967 attached [pid 5965] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5967] set_robust_list(0x5555563db5e0, 24 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 0 [pid 5956] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5965] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5964] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] memfd_create("syzkaller", 0 [pid 5965] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5964] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5967] <... prctl resumed>) = 0 [pid 5965] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5966] <... memfd_create resumed>) = 3 [pid 5957] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5967] setpgid(0, 0 [pid 5965] <... futex resumed>) = 1 [pid 5964] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... close resumed>) = 0 [pid 5967] <... setpgid resumed>) = 0 [pid 5965] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5967] <... openat resumed>) = 3 [pid 5965] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5964] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5968 [pid 5000] <... openat resumed>) = 3 [pid 5967] write(3, "1000", 4 [pid 5965] <... openat resumed>) = 3 [pid 5964] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5967] <... write resumed>) = 4 [pid 5965] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 5967] close(3 [pid 5965] <... futex resumed>) = 1 [pid 5964] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5967] <... close resumed>) = 0 [pid 5965] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5964] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] <... futex resumed>) = 0 [pid 5965] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5964] <... openat resumed>) = 3 [pid 5961] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5965] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5964] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5969 [pid 5967] <... mmap resumed>) = 0x7fc4ee163000 [pid 5965] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5967] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5965] <... futex resumed>) = 1 [pid 5964] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = 0 [pid 5957] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... mprotect resumed>) = 0 [pid 5966] <... write resumed>) = 262144 [pid 5965] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] exit_group(0 [pid 5957] <... futex resumed>) = 0 [pid 5967] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5965] <... futex resumed>) = ? [pid 5964] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5961] <... exit_group resumed>) = ? [pid 5957] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] munmap(0x7fc4e5d63000, 262144 [pid 5965] +++ exited with 0 +++ [pid 5964] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5961] +++ exited with 0 +++ [pid 5967] <... clone resumed>, parent_tid=[5970], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5970 [pid 5964] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5967] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5969 attached [pid 5967] <... futex resumed>) = 0 [pid 5964] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] exit_group(0 [pid 5969] set_robust_list(0x5555563db5e0, 24 [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5964] <... futex resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5969] <... set_robust_list resumed>) = 0 [pid 5966] <... munmap resumed>) = 0 [pid 5964] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5969] <... prctl resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5003] close(3 [pid 5969] <... setpgid resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] <... openat resumed>) = 3 [pid 5966] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5957] +++ exited with 0 +++ [pid 5969] write(3, "1000", 4 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5971 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5969] <... write resumed>) = 4 [pid 5969] close(3) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 5969] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5969] <... mmap resumed>) = 0x7fc4ee163000 [pid 4999] close(3 [pid 5969] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 4999] <... close resumed>) = 0 [pid 5969] <... mprotect resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5972 [pid 5969] <... clone resumed>, parent_tid=[5973], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5973 [pid 5969] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5970 attached [pid 5970] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5970] memfd_create("syzkaller", 0) = 3 [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 5972 attached [pid 5972] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... openat resumed>) = 4 [pid 5972] <... prctl resumed>) = 0 [pid 5972] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5973 attached ./strace-static-x86_64: Process 5971 attached ./strace-static-x86_64: Process 5968 attached [pid 5966] ioctl(4, LOOP_SET_FD, 3 [pid 5973] set_robust_list(0x7fc4ee1839e0, 24 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] set_robust_list(0x5555563db5e0, 24 [pid 5966] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5971] set_robust_list(0x5555563db5e0, 24 [pid 5970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5966] ioctl(4, LOOP_CLR_FD [pid 5973] memfd_create("syzkaller", 0 [pid 5972] write(3, "1000", 4 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] <... write resumed>) = 262144 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... ioctl resumed>) = 0 [pid 5972] <... write resumed>) = 4 [pid 5968] <... prctl resumed>) = 0 [pid 5973] <... memfd_create resumed>) = 3 [pid 5972] close(3 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] <... close resumed>) = 0 [pid 5968] setpgid(0, 0 [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5972] <... mmap resumed>) = 0x7fc4ee163000 [pid 5971] <... prctl resumed>) = 0 [pid 5968] <... setpgid resumed>) = 0 [pid 5972] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5970] munmap(0x7fc4e5d63000, 262144 [pid 5973] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5972] <... mprotect resumed>) = 0 [pid 5971] setpgid(0, 0 [pid 5970] <... munmap resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5968] <... openat resumed>) = 3 [pid 5970] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5966] ioctl(4, LOOP_SET_FD, 3 [pid 5972] <... clone resumed>, parent_tid=[5974], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5974 [pid 5970] <... openat resumed>) = 4 [pid 5972] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] ioctl(4, LOOP_SET_FD, 3 [pid 5972] <... futex resumed>) = 0 [pid 5970] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5970] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5974 attached [pid 5974] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5966] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5968] write(3, "1000", 4 [pid 5966] close(4 [pid 5968] <... write resumed>) = 4 [pid 5971] <... setpgid resumed>) = 0 [pid 5973] <... write resumed>) = 262144 [pid 5970] ioctl(4, LOOP_SET_FD, 3 [pid 5968] close(3 [pid 5966] <... close resumed>) = 0 [pid 5970] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5970] close(4) = 0 [pid 5968] <... close resumed>) = 0 [pid 5966] close(3 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] close(3) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5966] <... close resumed>) = 0 [pid 5971] <... openat resumed>) = 3 [pid 5970] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] munmap(0x7fc4e5d63000, 262144 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5971] write(3, "1000", 4 [pid 5970] fspick(AT_FDCWD, ".", 0 [pid 5968] <... mmap resumed>) = 0x7fc4ee163000 [pid 5967] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5971] <... write resumed>) = 4 [pid 5970] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5968] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5967] <... futex resumed>) = 0 [pid 5963] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] fspick(AT_FDCWD, ".", 0 [pid 5971] close(3 [pid 5970] <... futex resumed>) = 0 [pid 5968] <... mprotect resumed>) = 0 [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... futex resumed>) = 0 [pid 5970] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5967] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5967] <... futex resumed>) = 0 [pid 5970] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... close resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5968] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5974] memfd_create("syzkaller", 0 [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... memfd_create resumed>) = 3 [pid 5973] <... munmap resumed>) = 0 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... futex resumed>) = 0 [pid 5966] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5973] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5971] <... futex resumed>) = 0 [pid 5970] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5968] <... clone resumed>, parent_tid=[5975], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5975 [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5973] <... openat resumed>) = 4 [pid 5971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5970] <... openat resumed>) = 3 [pid 5968] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5973] ioctl(4, LOOP_SET_FD, 3 [pid 5971] <... mmap resumed>) = 0x7fc4ee163000 [pid 5970] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5966] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5971] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5970] <... futex resumed>) = 1 [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... futex resumed>) = 0 [pid 5973] ioctl(4, LOOP_CLR_FD [pid 5971] <... mprotect resumed>) = 0 [pid 5970] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... ioctl resumed>) = 0 [pid 5971] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... futex resumed>) = 0 [pid 5966] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... write resumed>) = 262144 [pid 5970] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5967] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] munmap(0x7fc4e5d63000, 262144 [pid 5971] <... clone resumed>, parent_tid=[5976], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5976 [pid 5970] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5966] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5975 attached [pid 5974] <... munmap resumed>) = 0 [pid 5971] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] set_robust_list(0x7fc4ee1839e0, 24 [pid 5974] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5973] ioctl(4, LOOP_SET_FD, 3 [pid 5971] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... futex resumed>) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... openat resumed>) = 4 [pid 5973] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5970] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] exit_group(0 [pid 5966] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] memfd_create("syzkaller", 0 [pid 5974] ioctl(4, LOOP_SET_FD, 3 [pid 5973] close(4 [pid 5970] <... futex resumed>) = ? [pid 5967] <... exit_group resumed>) = ? [pid 5975] <... memfd_create resumed>) = 3 [pid 5974] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5973] <... close resumed>) = 0 [pid 5970] +++ exited with 0 +++ [pid 5967] +++ exited with 0 +++ [pid 5966] <... openat resumed>) = 3 [pid 5975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5974] ioctl(4, LOOP_CLR_FD [pid 5973] close(3 [pid 5966] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5974] <... ioctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5973] <... close resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5976 attached [pid 5973] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 [pid 5976] set_robust_list(0x7fc4ee1839e0, 24 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... write resumed>) = 262144 [pid 5974] ioctl(4, LOOP_SET_FD, 3 [pid 5973] fspick(AT_FDCWD, ".", 0 [pid 5969] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5963] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 5975] munmap(0x7fc4e5d63000, 262144 [pid 5974] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... futex resumed>) = 0 [pid 5002] close(3 [pid 5973] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5976] memfd_create("syzkaller", 0 [pid 5975] <... munmap resumed>) = 0 [pid 5974] close(4 [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5975] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5974] <... close resumed>) = 0 [pid 5973] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] <... memfd_create resumed>) = 3 [pid 5975] <... openat resumed>) = 4 [pid 5974] close(3 [pid 5973] <... futex resumed>) = 0 [pid 5969] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5975] ioctl(4, LOOP_SET_FD, 3 [pid 5974] <... close resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5977 [pid 5976] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5975] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] exit_group(0 [pid 5975] ioctl(4, LOOP_CLR_FD [pid 5974] <... futex resumed>) = 1 [pid 5973] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5972] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = ? [pid 5963] <... exit_group resumed>) = ? [pid 5975] <... ioctl resumed>) = 0 [pid 5974] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] +++ exited with 0 +++ [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5974] fspick(AT_FDCWD, ".", 0 [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5974] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5974] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5974] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] +++ exited with 0 +++ [pid 5974] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5974] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5975] ioctl(4, LOOP_SET_FD, 3 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5975] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5974] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5972] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] close(4 [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... openat resumed>) = 3 [pid 5972] <... futex resumed>) = 0 [pid 5976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5975] <... close resumed>) = 0 [pid 5974] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5973] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5975] close(3 [pid 5974] <... openat resumed>) = 3 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5976] <... write resumed>) = 262144 [pid 5975] <... close resumed>) = 0 [pid 5974] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5976] munmap(0x7fc4e5d63000, 262144 [pid 5975] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5974] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5972] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5975] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5972] <... futex resumed>) = 0 [pid 5968] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5976] <... munmap resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5973] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5975] fspick(AT_FDCWD, ".", 0 [pid 5974] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5977 attached [pid 5976] <... openat resumed>) = 4 [pid 5975] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5974] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] exit_group(0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5978 [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5975] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = ? [pid 5972] <... futex resumed>) = 0 [pid 5969] <... exit_group resumed>) = ? [pid 5977] set_robust_list(0x5555563db5e0, 24 [pid 5976] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5975] <... futex resumed>) = 1 [pid 5974] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] +++ exited with 0 +++ [pid 5972] exit_group(0 [pid 5969] +++ exited with 0 +++ [pid 5968] <... futex resumed>) = 0 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] ioctl(4, LOOP_CLR_FD [pid 5975] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... futex resumed>) = ? [pid 5972] <... exit_group resumed>) = ? [pid 5968] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] <... ioctl resumed>) = 0 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] +++ exited with 0 +++ [pid 5972] +++ exited with 0 +++ [pid 5968] <... futex resumed>) = 0 [pid 5975] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5975] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5975] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5975] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5977] <... prctl resumed>) = 0 [pid 5975] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... restart_syscall resumed>) = 0 [pid 5975] <... openat resumed>) = 3 [pid 5977] setpgid(0, 0 [pid 5975] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... setpgid resumed>) = 0 [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5975] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5975] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] <... openat resumed>) = 3 [pid 5977] <... openat resumed>) = 3 [pid 5976] close(4 [pid 5975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5968] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5977] write(3, "1000", 4 [pid 5976] <... close resumed>) = 0 [pid 5975] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5968] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... ioctl resumed>) = 0 [pid 5977] <... write resumed>) = 4 [pid 5976] close(3 [pid 5975] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 5977] close(3 [pid 5975] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 4999] <... close resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5977] <... close resumed>) = 0 [pid 5976] <... close resumed>) = 0 [pid 5975] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5978 attached [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... futex resumed>) = ? [pid 5968] <... exit_group resumed>) = ? [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5979 [pid 5978] set_robust_list(0x5555563db5e0, 24 [pid 5977] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5975] +++ exited with 0 +++ [pid 5971] <... futex resumed>) = 0 [pid 5968] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5980 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... mmap resumed>) = 0x7fc4ee163000 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 [pid 5978] <... prctl resumed>) = 0 [pid 5977] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5976] fspick(AT_FDCWD, ".", 0 [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] setpgid(0, 0 [pid 5977] <... mprotect resumed>) = 0 [pid 5976] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5978] <... setpgid resumed>) = 0 [pid 5977] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5976] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5978] <... openat resumed>) = 3 [pid 5977] <... clone resumed>, parent_tid=[5981], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5981 [pid 5976] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5978] write(3, "1000", 4 [pid 5977] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 [pid 5001] close(3 [pid 5978] <... write resumed>) = 4 [pid 5977] <... futex resumed>) = 0 [pid 5976] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 5978] close(3 [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5976] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] <... close resumed>) = 0 [pid 5976] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5982 [pid 5978] <... futex resumed>) = 0 [pid 5976] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5979 attached [pid 5978] <... mmap resumed>) = 0x7fc4ee163000 [pid 5976] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5981 attached [pid 5979] set_robust_list(0x5555563db5e0, 24 [pid 5978] <... mprotect resumed>) = 0 [pid 5976] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] set_robust_list(0x7fc4ee1839e0, 24 [pid 5978] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5976] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5976] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] memfd_create("syzkaller", 0 [pid 5978] <... clone resumed>, parent_tid=[5983], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5983 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5971] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5980 attached [pid 5981] <... memfd_create resumed>) = 3 [pid 5978] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5971] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5980] set_robust_list(0x5555563db5e0, 24 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] <... futex resumed>) = 0 [pid 5976] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5981] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5976] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] <... prctl resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5971] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5982 attached [pid 5980] <... prctl resumed>) = 0 [pid 5979] setpgid(0, 0 [pid 5976] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] exit_group(0./strace-static-x86_64: Process 5983 attached [pid 5982] set_robust_list(0x5555563db5e0, 24 [pid 5980] setpgid(0, 0 [pid 5979] <... setpgid resumed>) = 0 [pid 5976] <... futex resumed>) = ? [pid 5971] <... exit_group resumed>) = ? [pid 5983] set_robust_list(0x7fc4ee1839e0, 24 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] <... write resumed>) = 262144 [pid 5980] <... setpgid resumed>) = 0 [pid 5976] +++ exited with 0 +++ [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] +++ exited with 0 +++ [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] <... prctl resumed>) = 0 [pid 5980] <... openat resumed>) = 3 [pid 5979] <... openat resumed>) = 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5982] setpgid(0, 0 [pid 5981] munmap(0x7fc4e5d63000, 262144 [pid 5980] write(3, "1000", 4 [pid 5979] write(3, "1000", 4 [pid 5983] memfd_create("syzkaller", 0 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] <... munmap resumed>) = 0 [pid 5980] <... write resumed>) = 4 [pid 5979] <... write resumed>) = 4 [pid 5983] <... memfd_create resumed>) = 3 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5980] close(3 [pid 5979] close(3 [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] <... openat resumed>) = 3 [pid 5981] <... openat resumed>) = 4 [pid 5980] <... close resumed>) = 0 [pid 5982] write(3, "1000", 4 [pid 5981] ioctl(4, LOOP_SET_FD, 3 [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... close resumed>) = 0 [pid 5983] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5982] <... write resumed>) = 4 [pid 5981] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] <... futex resumed>) = 0 [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5982] close(3 [pid 5981] ioctl(4, LOOP_CLR_FD [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5982] <... close resumed>) = 0 [pid 5981] <... ioctl resumed>) = 0 [pid 5980] <... mmap resumed>) = 0x7fc4ee163000 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5979] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] <... ioctl resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... mprotect resumed>) = 0 [pid 5979] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] close(3 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5979] <... mprotect resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5982] <... mmap resumed>) = 0x7fc4ee163000 [pid 5979] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5981] ioctl(4, LOOP_SET_FD, 3 [pid 5980] <... clone resumed>, parent_tid=[5984], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5984 [pid 5983] <... write resumed>) = 262144 [pid 5982] <... mprotect resumed>) = 0 [pid 5981] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... clone resumed>, parent_tid=[5985], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5985 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5986 ./strace-static-x86_64: Process 5986 attached ./strace-static-x86_64: Process 5985 attached ./strace-static-x86_64: Process 5984 attached [pid 5983] munmap(0x7fc4e5d63000, 262144 [pid 5982] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5981] close(4 [pid 5980] <... futex resumed>) = 0 [pid 5979] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] set_robust_list(0x5555563db5e0, 24 [pid 5983] <... munmap resumed>) = 0 [pid 5981] <... close resumed>) = 0 [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5982] <... clone resumed>, parent_tid=[5987], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5987 [pid 5981] close(3 [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] <... openat resumed>) = 4 [pid 5982] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... close resumed>) = 0 [pid 5986] <... prctl resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5981] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] setpgid(0, 0 [pid 5983] ioctl(4, LOOP_SET_FD, 3 [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5981] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5986] <... setpgid resumed>) = 0 [pid 5981] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5977] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] ioctl(4, LOOP_CLR_FD [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5983] <... ioctl resumed>) = 0 [pid 5981] fspick(AT_FDCWD, ".", 0 [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5987 attached [pid 5986] write(3, "1000", 4 [pid 5981] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5987] set_robust_list(0x7fc4ee1839e0, 24 [pid 5986] <... write resumed>) = 4 [pid 5981] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(3 [pid 5981] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] <... close resumed>) = 0 [pid 5981] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5981] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] memfd_create("syzkaller", 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5983] ioctl(4, LOOP_SET_FD, 3 [pid 5981] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... memfd_create resumed>) = 3 [pid 5986] <... mmap resumed>) = 0x7fc4ee163000 [pid 5981] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5983] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5981] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5986] <... mprotect resumed>) = 0 [pid 5983] close(4 [pid 5981] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5987] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5983] <... close resumed>) = 0 [pid 5981] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... clone resumed>, parent_tid=[5988], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5988 [pid 5984] set_robust_list(0x7fc4ee1839e0, 24 [pid 5983] close(3 [pid 5981] <... openat resumed>) = 3 [pid 5986] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5981] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... futex resumed>) = 0 [pid 5984] memfd_create("syzkaller", 0 [pid 5981] <... futex resumed>) = 1 [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5984] <... memfd_create resumed>) = 3 [pid 5983] <... close resumed>) = 0 [pid 5981] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... futex resumed>) = 0 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5983] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5983] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = 1 [pid 5987] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5983] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5978] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5978] <... futex resumed>) = 0 [pid 5983] fspick(AT_FDCWD, ".", 0 [pid 5981] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... write resumed>) = 262144 [pid 5983] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5981] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5985] set_robust_list(0x7fc4ee1839e0, 24 [pid 5983] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] exit_group(0 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5983] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = ? [pid 5978] <... futex resumed>) = 0 [pid 5977] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5988 attached [pid 5987] munmap(0x7fc4e5d63000, 262144 [pid 5985] memfd_create("syzkaller", 0 [pid 5984] <... write resumed>) = 262144 [pid 5983] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] +++ exited with 0 +++ [pid 5978] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... memfd_create resumed>) = 3 [pid 5984] munmap(0x7fc4e5d63000, 262144 [pid 5978] <... futex resumed>) = 0 [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5984] <... munmap resumed>) = 0 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] +++ exited with 0 +++ [pid 5985] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5984] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5983] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5988] set_robust_list(0x7fc4ee1839e0, 24 [pid 5987] <... munmap resumed>) = 0 [pid 5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5984] <... openat resumed>) = 4 [pid 5983] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5984] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5983] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... openat resumed>) = 4 [pid 5984] ioctl(4, LOOP_CLR_FD [pid 5983] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5988] memfd_create("syzkaller", 0 [pid 5987] ioctl(4, LOOP_SET_FD, 3 [pid 5984] <... ioctl resumed>) = 0 [pid 5983] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5988] <... memfd_create resumed>) = 3 [pid 5987] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5987] ioctl(4, LOOP_CLR_FD [pid 5985] <... write resumed>) = 262144 [pid 5983] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5985] munmap(0x7fc4e5d63000, 262144 [pid 5002] <... ioctl resumed>) = 0 [pid 5988] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5987] <... ioctl resumed>) = 0 [pid 5985] <... munmap resumed>) = 0 [pid 5983] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5983] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 5985] <... openat resumed>) = 4 [pid 5984] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5983] <... futex resumed>) = 1 [pid 5978] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] ioctl(4, LOOP_SET_FD, 3 [pid 5984] close(4 [pid 5983] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] <... close resumed>) = 0 [pid 5983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5989 [pid 5987] ioctl(4, LOOP_SET_FD, 3 [pid 5985] ioctl(4, LOOP_CLR_FD [pid 5984] close(3 [pid 5983] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5978] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5987] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] <... ioctl resumed>) = 0 [pid 5984] <... close resumed>) = 0 [pid 5983] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5987] close(4 [pid 5984] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 1 [pid 5983] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5987] <... close resumed>) = 0 [pid 5984] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] close(3 [pid 5980] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] exit_group(0 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... futex resumed>) = ? [pid 5980] <... futex resumed>) = 0 [pid 5978] <... exit_group resumed>) = ? [pid 5984] fspick(AT_FDCWD, ".", 0 [pid 5983] +++ exited with 0 +++ [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5984] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] ioctl(4, LOOP_SET_FD, 3 [pid 5984] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5985] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] +++ exited with 0 +++ [pid 5985] close(4 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5985] <... close resumed>) = 0 [pid 5984] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5987] <... close resumed>) = 0 [pid 5985] close(3 [pid 5984] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... write resumed>) = 262144 [pid 5987] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... close resumed>) = 0 [pid 5984] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5989 attached [pid 5985] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5988] munmap(0x7fc4e5d63000, 262144 [pid 5987] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 1 [pid 5984] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5989] set_robust_list(0x5555563db5e0, 24 [pid 5988] <... munmap resumed>) = 0 [pid 5985] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5987] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5982] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5984] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] <... openat resumed>) = 4 [pid 5987] fspick(AT_FDCWD, ".", 0 [pid 5985] fspick(AT_FDCWD, ".", 0 [pid 5984] <... openat resumed>) = 3 [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5989] <... prctl resumed>) = 0 [pid 5985] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5984] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5989] setpgid(0, 0 [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5987] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5985] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = 1 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] close(3 [pid 5989] <... setpgid resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5980] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5988] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5989] <... openat resumed>) = 3 [pid 5988] ioctl(4, LOOP_CLR_FD [pid 5987] <... futex resumed>) = 1 [pid 5985] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5984] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5982] <... futex resumed>) = 0 [pid 5980] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... futex resumed>) = 0 [pid 5989] write(3, "1000", 4 [pid 5988] <... ioctl resumed>) = 0 [pid 5987] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5982] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5990 [pid 5989] <... write resumed>) = 4 [pid 5985] <... futex resumed>) = 0 [pid 5984] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(3 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5984] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... close resumed>) = 0 [pid 5987] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5984] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] exit_group(0 [pid 5979] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5985] <... futex resumed>) = 0 [pid 5984] <... futex resumed>) = ? [pid 5980] <... exit_group resumed>) = ? [pid 5979] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5987] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5984] +++ exited with 0 +++ [pid 5980] +++ exited with 0 +++ [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5987] <... futex resumed>) = 1 [pid 5985] <... openat resumed>) = 3 [pid 5982] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] <... mmap resumed>) = 0x7fc4ee163000 [pid 5988] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5988] close(4 [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5985] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5989] <... mprotect resumed>) = 0 [pid 5985] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] <... close resumed>) = 0 [pid 5979] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5989] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5988] close(3 [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5987] <... openat resumed>) = 3 [pid 5985] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5979] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5989] <... clone resumed>, parent_tid=[5991], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5991 [pid 5985] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... ioctl resumed>) = 0 [pid 5989] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5988] <... close resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5987] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 1 [pid 5979] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5988] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 1 [pid 5985] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = 0 [pid 5979] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5988] <... futex resumed>) = 1 [pid 5987] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = 0 [pid 5985] <... futex resumed>) = ? [pid 5982] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... exit_group resumed>) = ? [pid 5988] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] +++ exited with 0 +++ [pid 5982] <... futex resumed>) = 0 [pid 5979] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5992 ./strace-static-x86_64: Process 5990 attached [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5986] <... futex resumed>) = 0 [pid 5982] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] fspick(AT_FDCWD, ".", 0 [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5988] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5987] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5988] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5990] set_robust_list(0x5555563db5e0, 24 [pid 5988] <... futex resumed>) = 1 [pid 5987] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = 0 [pid 5982] exit_group(0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5988] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] <... futex resumed>) = ? [pid 5986] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... exit_group resumed>) = ? [pid 4999] <... ioctl resumed>) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] +++ exited with 0 +++ [pid 5986] <... futex resumed>) = 0 [pid 4999] close(3 [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5982] +++ exited with 0 +++ [pid 5988] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5993 [pid 5990] <... prctl resumed>) = 0 [pid 5988] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5988] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5988] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] setpgid(0, 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5988] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] set_robust_list(0x7fc4ee1839e0, 24 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5991] memfd_create("syzkaller", 0 [pid 5990] <... setpgid resumed>) = 0 [pid 5988] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... memfd_create resumed>) = 3 [pid 5988] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5991] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5990] <... openat resumed>) = 3 [pid 5988] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5986] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5992 attached [pid 5990] write(3, "1000", 4 [pid 5988] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] close(3 [pid 5992] set_robust_list(0x5555563db5e0, 24 [pid 5991] <... write resumed>) = 262144 [pid 5990] <... write resumed>) = 4 [pid 5988] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5990] close(3 [pid 5988] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] <... close resumed>) = 0 [pid 5988] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] exit_group(0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5994 ./strace-static-x86_64: Process 5994 attached [pid 5992] <... prctl resumed>) = 0 [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = ? [pid 5986] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5993 attached [pid 5991] munmap(0x7fc4e5d63000, 262144 [pid 5992] setpgid(0, 0 [pid 5990] <... futex resumed>) = 0 [pid 5988] +++ exited with 0 +++ [pid 5993] set_robust_list(0x5555563db5e0, 24 [pid 5991] <... munmap resumed>) = 0 [pid 5986] +++ exited with 0 +++ [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] <... setpgid resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] <... openat resumed>) = 4 [pid 5990] <... mmap resumed>) = 0x7fc4ee163000 [pid 5993] <... prctl resumed>) = 0 [pid 5991] ioctl(4, LOOP_SET_FD, 3 [pid 5990] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5993] setpgid(0, 0 [pid 5992] <... openat resumed>) = 3 [pid 5991] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5990] <... mprotect resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5993] <... setpgid resumed>) = 0 [pid 5992] write(3, "1000", 4 [pid 5991] ioctl(4, LOOP_CLR_FD [pid 5003] <... openat resumed>) = 3 [pid 5990] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5994] set_robust_list(0x5555563db5e0, 24 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... write resumed>) = 4 [pid 5991] <... ioctl resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] <... openat resumed>) = 3 [pid 5992] close(3 [pid 5003] <... ioctl resumed>) = 0 [pid 5993] write(3, "1000", 4 [pid 5003] close(3 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] <... write resumed>) = 4 [pid 5992] <... close resumed>) = 0 [pid 5990] <... clone resumed>, parent_tid=[5995], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5995 [pid 5003] <... close resumed>) = 0 [pid 5993] close(3 [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] <... prctl resumed>) = 0 [pid 5993] <... close resumed>) = 0 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 5996 [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5994] setpgid(0, 0 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... mmap resumed>) = 0x7fc4ee163000 [pid 5991] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5994] <... setpgid resumed>) = 0 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5991] close(4 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] <... mmap resumed>) = 0x7fc4ee163000 [pid 5992] <... mprotect resumed>) = 0 [pid 5991] <... close resumed>) = 0 [pid 5993] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5992] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5991] close(3 [pid 5994] <... openat resumed>) = 3 [pid 5993] <... mprotect resumed>) = 0 [pid 5991] <... close resumed>) = 0 [pid 5994] write(3, "1000", 4 [pid 5993] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5992] <... clone resumed>, parent_tid=[5997], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5997 [pid 5991] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5996 attached [pid 5994] <... write resumed>) = 4 [pid 5992] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5995 attached [pid 5994] close(3 [pid 5993] <... clone resumed>, parent_tid=[5998], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5998 [pid 5992] <... futex resumed>) = 0 [pid 5991] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] set_robust_list(0x5555563db5e0, 24 [pid 5995] set_robust_list(0x7fc4ee1839e0, 24 [pid 5994] <... close resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5991] fspick(AT_FDCWD, ".", 0 [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] memfd_create("syzkaller", 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5991] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... memfd_create resumed>) = 3 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5994] <... mmap resumed>) = 0x7fc4ee163000 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5994] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5991] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5997 attached [pid 5995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5994] <... mprotect resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5997] set_robust_list(0x7fc4ee1839e0, 24 [pid 5996] setpgid(0, 0 [pid 5994] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5991] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... setpgid resumed>) = 0 [pid 5995] <... write resumed>) = 262144 [pid 5994] <... clone resumed>, parent_tid=[5999], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 5999 [pid 5991] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] munmap(0x7fc4e5d63000, 262144 [pid 5994] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5998 attached [pid 5997] memfd_create("syzkaller", 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... munmap resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5991] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] set_robust_list(0x7fc4ee1839e0, 24 [pid 5995] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5999 attached [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] <... memfd_create resumed>) = 3 [pid 5996] <... openat resumed>) = 3 [pid 5995] <... openat resumed>) = 4 [pid 5991] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5996] write(3, "1000", 4 [pid 5991] <... openat resumed>) = 3 [pid 5991] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5991] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5991] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5989] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5999] set_robust_list(0x7fc4ee1839e0, 24 [pid 5998] memfd_create("syzkaller", 0 [pid 5997] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5996] <... write resumed>) = 4 [pid 5995] ioctl(4, LOOP_SET_FD, 3 [pid 5991] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] <... memfd_create resumed>) = 3 [pid 5997] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5996] close(3 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5995] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5999] memfd_create("syzkaller", 0 [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5997] <... write resumed>) = 262144 [pid 5996] <... close resumed>) = 0 [pid 5991] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] exit_group(0 [pid 5995] ioctl(4, LOOP_CLR_FD [pid 5999] <... memfd_create resumed>) = 3 [pid 5998] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 5995] <... ioctl resumed>) = 0 [pid 5999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5996] <... futex resumed>) = 0 [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5996] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5997] munmap(0x7fc4e5d63000, 262144 [pid 5996] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5997] <... munmap resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5996] <... clone resumed>, parent_tid=[6000], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6000 [pid 5996] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5989] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5997] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5997] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5997] ioctl(4, LOOP_CLR_FD) = 0 [pid 5995] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6000 attached [pid 6000] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6000] memfd_create("syzkaller", 0 [pid 5995] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5995] close(4 [pid 5002] <... openat resumed>) = 3 [pid 5995] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 5995] close(3 [pid 5002] close(3 [pid 5999] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5997] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5997] close(4) = 0 [pid 5997] close(3) = 0 [pid 5995] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5997] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5997] fspick(AT_FDCWD, ".", 0 [pid 5992] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... write resumed>) = 262144 [pid 5997] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 6000] <... memfd_create resumed>) = 3 [pid 5997] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5998] munmap(0x7fc4e5d63000, 262144 [pid 5997] <... futex resumed>) = 0 [pid 5995] fspick(AT_FDCWD, ".", 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6001 [pid 6000] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5997] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5995] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5992] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5999] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5998] <... munmap resumed>) = 0 [pid 5997] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5995] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5997] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... openat resumed>) = 4 [pid 5997] <... futex resumed>) = 0 [pid 5995] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6001 attached [pid 6000] <... write resumed>) = 262144 [pid 5999] <... write resumed>) = 262144 [pid 5998] ioctl(4, LOOP_SET_FD, 3 [pid 5997] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5992] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] set_robust_list(0x5555563db5e0, 24 [pid 5999] munmap(0x7fc4e5d63000, 262144 [pid 5998] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] ioctl(4, LOOP_CLR_FD [pid 5997] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5995] <... futex resumed>) = 0 [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... munmap resumed>) = 0 [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] munmap(0x7fc4e5d63000, 262144 [pid 5998] <... ioctl resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5997] <... openat resumed>) = 3 [pid 5995] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5990] <... futex resumed>) = 0 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] <... munmap resumed>) = 0 [pid 5999] <... openat resumed>) = 4 [pid 5997] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... openat resumed>) = 3 [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... prctl resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5999] ioctl(4, LOOP_SET_FD, 3 [pid 5997] <... futex resumed>) = 1 [pid 5995] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] setpgid(0, 0 [pid 6000] <... openat resumed>) = 4 [pid 5999] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5997] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... futex resumed>) = 0 [pid 5992] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... setpgid resumed>) = 0 [pid 6000] ioctl(4, LOOP_SET_FD, 3 [pid 5999] ioctl(4, LOOP_CLR_FD [pid 5998] ioctl(4, LOOP_SET_FD, 3 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5992] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5999] <... ioctl resumed>) = 0 [pid 5998] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5997] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5995] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5992] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... openat resumed>) = 3 [pid 6000] ioctl(4, LOOP_CLR_FD [pid 5998] close(4 [pid 5997] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5995] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] write(3, "1000", 4 [pid 6000] <... ioctl resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 5997] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = 0 [pid 5990] exit_group(0 [pid 6001] <... write resumed>) = 4 [pid 5998] close(3 [pid 5997] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5990] <... exit_group resumed>) = ? [pid 5997] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] exit_group(0 [pid 5997] <... futex resumed>) = ? [pid 5992] <... exit_group resumed>) = ? [pid 6001] close(3 [pid 5998] <... close resumed>) = 0 [pid 5997] +++ exited with 0 +++ [pid 5995] +++ exited with 0 +++ [pid 5992] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 6001] <... close resumed>) = 0 [pid 6000] ioctl(4, LOOP_SET_FD, 3 [pid 5999] ioctl(4, LOOP_SET_FD, 3 [pid 5998] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5999] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6000] close(4 [pid 5999] close(4 [pid 5998] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... futex resumed>) = 0 [pid 6001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6000] <... close resumed>) = 0 [pid 5999] <... close resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... mmap resumed>) = 0x7fc4ee163000 [pid 6000] close(3 [pid 5999] close(3 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6001] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6000] <... close resumed>) = 0 [pid 6000] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5996] <... futex resumed>) = 0 [pid 6000] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... close resumed>) = 0 [pid 5998] fspick(AT_FDCWD, ".", 0 [pid 5996] <... futex resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6001] <... mprotect resumed>) = 0 [pid 6000] fspick(AT_FDCWD, ".", 0 [pid 5999] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6001] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6000] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5999] <... futex resumed>) = 1 [pid 5998] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6000] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... futex resumed>) = 1 [pid 5994] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 6001] <... clone resumed>, parent_tid=[6002], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6002 [pid 6000] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6001] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] fspick(AT_FDCWD, ".", 0 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 6001] <... futex resumed>) = 0 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5998] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5996] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... ioctl resumed>) = 0 [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6000] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5999] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6000] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 1 [pid 5998] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 6000] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... futex resumed>) = 0 [pid 5996] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5996] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6003 [pid 5000] <... close resumed>) = 0 [pid 6000] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5999] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5998] <... openat resumed>) = 3 [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6000] <... openat resumed>) = 3 [pid 5999] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5998] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 6000] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6004 ./strace-static-x86_64: Process 6003 attached [pid 6000] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5999] <... futex resumed>) = 1 [pid 5998] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... futex resumed>) = 0 [pid 5993] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] set_robust_list(0x5555563db5e0, 24 [pid 6000] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5999] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6000] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5994] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6004 attached [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] <... futex resumed>) = 1 [pid 5999] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5998] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5996] <... futex resumed>) = 0 [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6002 attached [pid 6004] set_robust_list(0x5555563db5e0, 24 [pid 6003] <... prctl resumed>) = 0 [pid 6000] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... openat resumed>) = 3 [pid 5998] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] exit_group(0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] setpgid(0, 0 [pid 6002] set_robust_list(0x7fc4ee1839e0, 24 [pid 6000] <... futex resumed>) = ? [pid 5999] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5996] <... exit_group resumed>) = ? [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] <... setpgid resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6000] +++ exited with 0 +++ [pid 5999] <... futex resumed>) = 1 [pid 5998] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] +++ exited with 0 +++ [pid 5994] <... futex resumed>) = 0 [pid 5993] exit_group(0 [pid 6004] <... prctl resumed>) = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] memfd_create("syzkaller", 0 [pid 5999] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... futex resumed>) = ? [pid 5994] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... exit_group resumed>) = ? [pid 6004] setpgid(0, 0 [pid 6003] <... openat resumed>) = 3 [pid 6002] <... memfd_create resumed>) = 3 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] +++ exited with 0 +++ [pid 5994] <... futex resumed>) = 0 [pid 6003] write(3, "1000", 4 [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5994] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... write resumed>) = 4 [pid 6002] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] close(3 [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5999] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5993] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] <... close resumed>) = 0 [pid 5999] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 6004] <... openat resumed>) = 3 [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... write resumed>) = 262144 [pid 5999] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... restart_syscall resumed>) = 0 [pid 6004] write(3, "1000", 4 [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6004] <... write resumed>) = 4 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6002] munmap(0x7fc4e5d63000, 262144 [pid 5999] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] exit_group(0 [pid 6004] close(3 [pid 6003] <... mmap resumed>) = 0x7fc4ee163000 [pid 6002] <... munmap resumed>) = 0 [pid 5999] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 4999] <... restart_syscall resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6003] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5999] +++ exited with 0 +++ [pid 5994] +++ exited with 0 +++ [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... mprotect resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6003] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6002] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6004] <... mmap resumed>) = 0x7fc4ee163000 [pid 6003] <... clone resumed>, parent_tid=[6005], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6005 [pid 6002] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... ioctl resumed>) = 0 [pid 6004] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6003] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 4999] <... openat resumed>) = 3 [pid 6004] <... mprotect resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6002] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6004] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6002] ioctl(4, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 4999] <... ioctl resumed>) = 0 [pid 6002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6006 attached [pid 4999] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6004] <... clone resumed>, parent_tid=[6006], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6006 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6007 [pid 4999] <... close resumed>) = 0 [pid 6004] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6004] <... futex resumed>) = 0 [pid 5001] close(3 [pid 6006] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6002] ioctl(4, LOOP_SET_FD, 3 [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6002] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... close resumed>) = 0 [pid 6002] close(4 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6008 [pid 6002] <... close resumed>) = 0 [pid 6002] close(3) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6009 [pid 6002] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6002] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] fspick(AT_FDCWD, ".", 0./strace-static-x86_64: Process 6008 attached ) = -1 EINVAL (Invalid argument) [pid 6001] <... futex resumed>) = 0 [pid 6002] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] set_robust_list(0x5555563db5e0, 24 [pid 6002] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 1 [pid 6002] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6002] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6005 attached [pid 6008] <... prctl resumed>) = 0 [pid 6002] <... futex resumed>) = 1 [pid 6001] <... futex resumed>) = 0 [pid 6002] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] setpgid(0, 0 [pid 6005] set_robust_list(0x7fc4ee1839e0, 24 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... setpgid resumed>) = 0 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6002] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6001] <... futex resumed>) = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] <... openat resumed>) = 3 [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] memfd_create("syzkaller", 0 [pid 6006] memfd_create("syzkaller", 0 [pid 6002] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... openat resumed>) = 3 [pid 6006] <... memfd_create resumed>) = 3 [pid 6005] <... memfd_create resumed>) = 3 [pid 6002] <... futex resumed>) = 0 [pid 6001] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] write(3, "1000", 4 [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6002] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6001] <... futex resumed>) = 0 [pid 6006] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6002] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6008] <... write resumed>) = 4 [pid 6006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6005] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6002] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] close(3 [pid 6002] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] exit_group(0 [pid 6008] <... close resumed>) = 0 [pid 6002] <... futex resumed>) = ? [pid 6001] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6007 attached [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6002] +++ exited with 0 +++ ./strace-static-x86_64: Process 6009 attached [pid 6007] set_robust_list(0x5555563db5e0, 24 [pid 6009] set_robust_list(0x5555563db5e0, 24 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] +++ exited with 0 +++ [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6007] <... prctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6009] <... prctl resumed>) = 0 [pid 6008] <... mmap resumed>) = 0x7fc4ee163000 [pid 6007] setpgid(0, 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6008] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6009] setpgid(0, 0 [pid 6008] <... mprotect resumed>) = 0 [pid 6007] <... setpgid resumed>) = 0 [pid 6006] <... write resumed>) = 262144 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6009] <... setpgid resumed>) = 0 [pid 6008] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6006] munmap(0x7fc4e5d63000, 262144 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] <... clone resumed>, parent_tid=[6010], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6010 [pid 6007] <... openat resumed>) = 3 [pid 6006] <... munmap resumed>) = 0 [pid 6005] <... write resumed>) = 262144 [pid 5002] <... openat resumed>) = 3 [pid 6008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] munmap(0x7fc4e5d63000, 262144 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6008] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6009] <... openat resumed>) = 3 [pid 6007] write(3, "1000", 4 [pid 6006] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6009] write(3, "1000", 4 [pid 6007] <... write resumed>) = 4 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6011 [pid 6009] <... write resumed>) = 4 [pid 6007] close(3 [pid 6006] <... openat resumed>) = 4 [pid 6005] <... munmap resumed>) = 0 [pid 6009] close(3 [pid 6007] <... close resumed>) = 0 [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 6005] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6009] <... close resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 0 [pid 6006] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] <... openat resumed>) = 4 [pid 6009] <... futex resumed>) = 0 [pid 6007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6007] <... mmap resumed>) = 0x7fc4ee163000 [pid 6006] ioctl(4, LOOP_CLR_FD [pid 6009] <... mmap resumed>) = 0x7fc4ee163000 [pid 6007] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6006] <... ioctl resumed>) = 0 [pid 6009] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6007] <... mprotect resumed>) = 0 [pid 6009] <... mprotect resumed>) = 0 [pid 6007] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6009] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6007] <... clone resumed>, parent_tid=[6012], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6012 [pid 6009] <... clone resumed>, parent_tid=[6013], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6013 [pid 6007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 0 [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] close(4) = 0 [pid 6006] close(3) = 0 [pid 6006] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6006] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6011 attached [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = 0 [pid 6011] set_robust_list(0x5555563db5e0, 24 [pid 6006] fspick(AT_FDCWD, ".", 0 [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... set_robust_list resumed>) = 0 [pid 6006] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] ioctl(4, LOOP_SET_FD, 3 [pid 6011] <... prctl resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6011] setpgid(0, 0 [pid 6006] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... setpgid resumed>) = 0 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = 0 [pid 6005] ioctl(4, LOOP_CLR_FD [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6006] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6013 attached [pid 6011] <... openat resumed>) = 3 [pid 6006] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... ioctl resumed>) = 0 [pid 6013] set_robust_list(0x7fc4ee1839e0, 24 [pid 6011] write(3, "1000", 4 [pid 6006] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6012 attached [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] <... write resumed>) = 4 [pid 6006] <... futex resumed>) = 0 [pid 6004] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] memfd_create("syzkaller", 0 [pid 6012] set_robust_list(0x7fc4ee1839e0, 24 [pid 6011] close(3 [pid 6006] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6004] <... futex resumed>) = 0 [pid 6013] <... memfd_create resumed>) = 3 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 6006] <... openat resumed>) = 3 [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6012] memfd_create("syzkaller", 0 [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6012] <... memfd_create resumed>) = 3 [pid 6011] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 0 [pid 6005] ioctl(4, LOOP_SET_FD, 3 [pid 6004] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6010 attached [pid 6013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6005] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] <... futex resumed>) = 0 [pid 6013] <... write resumed>) = 262144 [pid 6012] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6011] <... mmap resumed>) = 0x7fc4ee163000 [pid 6010] set_robust_list(0x7fc4ee1839e0, 24 [pid 6006] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6005] close(4 [pid 6004] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6011] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... set_robust_list resumed>) = 0 [pid 6006] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... close resumed>) = 0 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... write resumed>) = 262144 [pid 6011] <... mprotect resumed>) = 0 [pid 6010] memfd_create("syzkaller", 0 [pid 6006] <... futex resumed>) = 0 [pid 6005] close(3 [pid 6004] exit_group(0 [pid 6013] munmap(0x7fc4e5d63000, 262144 [pid 6011] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6010] <... memfd_create resumed>) = 3 [pid 6006] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... munmap resumed>) = 0 [pid 6012] munmap(0x7fc4e5d63000, 262144 [pid 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6006] <... futex resumed>) = ? [pid 6005] <... close resumed>) = 0 [pid 6004] <... exit_group resumed>) = ? [pid 6013] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6012] <... munmap resumed>) = 0 [pid 6011] <... clone resumed>, parent_tid=[6014], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6014 [pid 6010] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6006] +++ exited with 0 +++ [pid 6005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... openat resumed>) = 4 [pid 6012] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] ioctl(4, LOOP_SET_FD, 3 [pid 6012] <... openat resumed>) = 4 [pid 6011] <... futex resumed>) = 0 [pid 6013] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6012] ioctl(4, LOOP_SET_FD, 3 [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6004] +++ exited with 0 +++ [pid 6013] ioctl(4, LOOP_CLR_FD [pid 6012] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6013] <... ioctl resumed>) = 0 [pid 6012] ioctl(4, LOOP_CLR_FD [pid 6003] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... ioctl resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6014 attached [pid 6014] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6005] fspick(AT_FDCWD, ".", 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6013] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6013] close(4 [pid 6012] ioctl(4, LOOP_SET_FD, 3 [pid 6013] <... close resumed>) = 0 [pid 6012] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6010] <... write resumed>) = 262144 [pid 6005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 6010] munmap(0x7fc4e5d63000, 262144 [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6005] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] <... ioctl resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6005] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 5000] close(3 [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 6013] close(3 [pid 6012] close(4 [pid 6005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] memfd_create("syzkaller", 0 [pid 6013] <... close resumed>) = 0 [pid 6010] <... munmap resumed>) = 0 [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6014] <... memfd_create resumed>) = 3 [pid 6013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... close resumed>) = 0 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6013] <... futex resumed>) = 1 [pid 6012] close(3 [pid 6010] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6009] <... futex resumed>) = 0 [pid 6005] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6003] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... close resumed>) = 0 [pid 6010] <... openat resumed>) = 4 [pid 6009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6015 attached [pid 6014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] ioctl(4, LOOP_SET_FD, 3 [pid 6009] <... futex resumed>) = 0 [pid 6005] <... openat resumed>) = 3 [pid 6003] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6015 [pid 6013] fspick(AT_FDCWD, ".", 0 [pid 6012] <... futex resumed>) = 1 [pid 6010] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 6015] set_robust_list(0x5555563db5e0, 24 [pid 6013] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] ioctl(4, LOOP_CLR_FD [pid 6007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] <... write resumed>) = 262144 [pid 6013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... ioctl resumed>) = 0 [pid 6007] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] <... futex resumed>) = 1 [pid 6012] fspick(AT_FDCWD, ".", 0 [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... prctl resumed>) = 0 [pid 6013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = 0 [pid 6015] setpgid(0, 0 [pid 6014] munmap(0x7fc4e5d63000, 262144 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6015] <... setpgid resumed>) = 0 [pid 6014] <... munmap resumed>) = 0 [pid 6013] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6012] <... futex resumed>) = 1 [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 6005] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6003] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6013] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] ioctl(4, LOOP_SET_FD, 3 [pid 6007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6015] <... openat resumed>) = 3 [pid 6014] <... openat resumed>) = 4 [pid 6013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6007] <... futex resumed>) = 0 [pid 6005] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] write(3, "1000", 4 [pid 6014] ioctl(4, LOOP_SET_FD, 3 [pid 6013] <... futex resumed>) = 1 [pid 6012] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6010] close(4 [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 6015] <... write resumed>) = 4 [pid 6014] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... close resumed>) = 0 [pid 6009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] exit_group(0 [pid 6015] close(3 [pid 6014] ioctl(4, LOOP_CLR_FD [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] close(3 [pid 6009] <... futex resumed>) = 0 [pid 6005] <... futex resumed>) = ? [pid 6003] <... exit_group resumed>) = ? [pid 6015] <... close resumed>) = 0 [pid 6014] <... ioctl resumed>) = 0 [pid 6013] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6012] <... futex resumed>) = 1 [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 6013] <... openat resumed>) = 3 [pid 6012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... close resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] +++ exited with 0 +++ [pid 6013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6012] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... openat resumed>) = 3 [pid 6010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] +++ exited with 0 +++ [pid 6015] <... futex resumed>) = 0 [pid 6014] ioctl(4, LOOP_SET_FD, 3 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 1 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6014] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6013] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6012] <... futex resumed>) = 1 [pid 6010] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 0 [pid 6015] <... mmap resumed>) = 0x7fc4ee163000 [pid 6014] close(4 [pid 6013] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6015] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6014] <... close resumed>) = 0 [pid 6013] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] fspick(AT_FDCWD, ".", 0 [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6015] <... mprotect resumed>) = 0 [pid 6014] close(3 [pid 6013] <... futex resumed>) = 1 [pid 6012] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6010] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... futex resumed>) = 0 [pid 6007] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6014] <... close resumed>) = 0 [pid 6013] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] exit_group(0 [pid 5004] <... openat resumed>) = 3 [pid 6014] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = ? [pid 6012] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 1 [pid 6009] <... exit_group resumed>) = ? [pid 6008] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6015] <... clone resumed>, parent_tid=[6016], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6016 [pid 6014] <... futex resumed>) = 1 [pid 6013] +++ exited with 0 +++ [pid 6012] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6009] +++ exited with 0 +++ [pid 6008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 6015] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 6007] exit_group(0 [pid 5004] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6015] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = ? [pid 6011] <... futex resumed>) = 0 [pid 6010] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] <... exit_group resumed>) = ? [pid 5004] <... close resumed>) = 0 [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6014] fspick(AT_FDCWD, ".", 0 [pid 6012] +++ exited with 0 +++ [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6007] +++ exited with 0 +++ [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6016 attached [pid 6014] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6014] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] set_robust_list(0x7fc4ee1839e0, 24 [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6016] <... set_robust_list resumed>) = 0 [pid 6014] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6017 [pid 6016] memfd_create("syzkaller", 0 [pid 6014] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 6016] <... memfd_create resumed>) = 3 [pid 6014] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6014] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 6014] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 6016] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6014] <... openat resumed>) = 3 [pid 6010] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6017 attached [pid 6014] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6017] set_robust_list(0x5555563db5e0, 24 [pid 6014] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5001] <... ioctl resumed>) = 0 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6014] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 6010] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6008] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5001] close(3 [pid 6017] <... prctl resumed>) = 0 [pid 6014] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6011] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] setpgid(0, 0 [pid 6014] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6010] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... close resumed>) = 0 [pid 6017] <... setpgid resumed>) = 0 [pid 6014] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6017] <... openat resumed>) = 3 [pid 6016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6014] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] exit_group(0 [pid 6010] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6017] write(3, "1000", 4 [pid 6014] <... futex resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 6017] <... write resumed>) = 4 [pid 6014] +++ exited with 0 +++ [pid 6011] +++ exited with 0 +++ [pid 6010] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] exit_group(0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6018 [pid 6017] close(3 [pid 6008] <... exit_group resumed>) = ? [pid 6017] <... close resumed>) = 0 [pid 6010] <... futex resumed>) = ? [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6019 [pid 6017] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6010] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6017] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] <... openat resumed>) = 3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6018 attached [pid 6017] <... clone resumed>, parent_tid=[6020], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6020 [pid 5002] close(3 [pid 6018] set_robust_list(0x5555563db5e0, 24 [pid 6017] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... write resumed>) = 262144 [pid 5002] <... close resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6016] munmap(0x7fc4e5d63000, 262144 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6019 attached [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] set_robust_list(0x5555563db5e0, 24 [pid 6018] <... prctl resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6021 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] setpgid(0, 0 [pid 4999] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] <... setpgid resumed>) = 0 [pid 6016] <... munmap resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6019] <... prctl resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] close(3 [pid 6019] setpgid(0, 0 [pid 6018] <... openat resumed>) = 3 [pid 6016] <... openat resumed>) = 4 [pid 4999] <... close resumed>) = 0 [pid 6016] ioctl(4, LOOP_SET_FD, 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... setpgid resumed>) = 0 [pid 6018] write(3, "1000", 4 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] <... write resumed>) = 4 [pid 6016] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6020 attached [pid 6019] <... openat resumed>) = 3 [pid 6018] close(3 [pid 6016] ioctl(4, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6022 [pid 6020] set_robust_list(0x7fc4ee1839e0, 24 [pid 6019] write(3, "1000", 4 [pid 6018] <... close resumed>) = 0 [pid 6016] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6021 attached [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] <... write resumed>) = 4 [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] set_robust_list(0x5555563db5e0, 24 [pid 6020] memfd_create("syzkaller", 0 [pid 6019] close(3 [pid 6018] <... futex resumed>) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6020] <... memfd_create resumed>) = 3 [pid 6019] <... close resumed>) = 0 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] <... prctl resumed>) = 0 [pid 6020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... mmap resumed>) = 0x7fc4ee163000 [pid 6020] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6019] <... futex resumed>) = 0 [pid 6018] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6022 attached [pid 6021] setpgid(0, 0 [pid 6020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6018] <... mprotect resumed>) = 0 [pid 6016] ioctl(4, LOOP_SET_FD, 3 [pid 6022] set_robust_list(0x5555563db5e0, 24 [pid 6021] <... setpgid resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x7fc4ee163000 [pid 6018] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6016] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] <... openat resumed>) = 3 [pid 6020] <... write resumed>) = 262144 [pid 6019] <... mprotect resumed>) = 0 [pid 6018] <... clone resumed>, parent_tid=[6023], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6023 [pid 6016] close(4 [pid 6022] <... prctl resumed>) = 0 [pid 6021] write(3, "1000", 4 [pid 6019] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6018] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... close resumed>) = 0 [pid 6022] setpgid(0, 0 [pid 6021] <... write resumed>) = 4 [pid 6018] <... futex resumed>) = 0 [pid 6016] close(3 [pid 6022] <... setpgid resumed>) = 0 [pid 6021] close(3 [pid 6019] <... clone resumed>, parent_tid=[6024], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6024 [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6020] munmap(0x7fc4e5d63000, 262144 [pid 6019] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... munmap resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6016] <... close resumed>) = 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... openat resumed>) = 3 [pid 6021] <... futex resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6022] write(3, "1000", 4 [pid 6021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... write resumed>) = 4 [pid 6022] close(3 [pid 6021] <... mmap resumed>) = 0x7fc4ee163000 [pid 6020] <... openat resumed>) = 4 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... futex resumed>) = 0 [pid 6022] <... close resumed>) = 0 [pid 6021] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6020] ioctl(4, LOOP_SET_FD, 3 [pid 6016] fspick(AT_FDCWD, ".", 0 [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6021] <... mprotect resumed>) = 0 [pid 6020] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6016] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6023 attached [pid 6021] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6020] ioctl(4, LOOP_CLR_FD [pid 6016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... mmap resumed>) = 0x7fc4ee163000 [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6023] set_robust_list(0x7fc4ee1839e0, 24 [pid 6022] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6020] <... ioctl resumed>) = 0 [pid 6016] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6015] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] <... mprotect resumed>) = 0 [pid 6021] <... clone resumed>, parent_tid=[6025], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6025 [pid 6016] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6015] <... futex resumed>) = 0 [pid 6022] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6021] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] memfd_create("syzkaller", 0 [pid 6022] <... clone resumed>, parent_tid=[6026], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6026 [pid 6021] <... futex resumed>) = 0 [pid 6016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... memfd_create resumed>) = 3 [pid 6022] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6024 attached [pid 6023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6022] <... futex resumed>) = 0 [pid 6020] ioctl(4, LOOP_SET_FD, 3 [pid 6016] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6025 attached [pid 6024] set_robust_list(0x7fc4ee1839e0, 24 [pid 6023] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6020] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] set_robust_list(0x7fc4ee1839e0, 24 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6020] close(4 [pid 6016] <... openat resumed>) = 3 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6023] <... write resumed>) = 262144 [pid 6020] <... close resumed>) = 0 [pid 6016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] memfd_create("syzkaller", 0 [pid 6020] close(3 [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6025] <... memfd_create resumed>) = 3 [pid 6023] munmap(0x7fc4e5d63000, 262144 [pid 6020] <... close resumed>) = 0 [pid 6016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] <... munmap resumed>) = 0 [pid 6020] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... futex resumed>) = 0 [pid 6025] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6023] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6020] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6016] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6015] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6023] <... openat resumed>) = 4 [pid 6020] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6026 attached [pid 6024] memfd_create("syzkaller", 0 [pid 6023] ioctl(4, LOOP_SET_FD, 3 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 6016] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... write resumed>) = 262144 [pid 6023] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] fspick(AT_FDCWD, ".", 0 [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] set_robust_list(0x7fc4ee1839e0, 24 [pid 6024] <... memfd_create resumed>) = 3 [pid 6023] ioctl(4, LOOP_CLR_FD [pid 6020] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6026] <... set_robust_list resumed>) = 0 [pid 6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] <... ioctl resumed>) = 0 [pid 6020] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6015] exit_group(0 [pid 6026] memfd_create("syzkaller", 0 [pid 6025] munmap(0x7fc4e5d63000, 262144 [pid 6024] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6020] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = ? [pid 6015] <... exit_group resumed>) = ? [pid 6025] <... munmap resumed>) = 0 [pid 6020] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] +++ exited with 0 +++ [pid 6025] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 6025] <... openat resumed>) = 4 [pid 6020] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] ioctl(4, LOOP_SET_FD, 3 [pid 6023] ioctl(4, LOOP_SET_FD, 3 [pid 6020] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6025] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] +++ exited with 0 +++ [pid 6026] <... memfd_create resumed>) = 3 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] ioctl(4, LOOP_CLR_FD [pid 6023] close(4 [pid 6020] <... futex resumed>) = 1 [pid 6017] <... futex resumed>) = 0 [pid 6026] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6025] <... ioctl resumed>) = 0 [pid 6023] <... close resumed>) = 0 [pid 6020] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] close(3 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6023] <... close resumed>) = 0 [pid 6020] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6023] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6025] ioctl(4, LOOP_SET_FD, 3 [pid 6023] <... futex resumed>) = 1 [pid 6020] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = 0 [pid 6025] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = 1 [pid 6018] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6025] close(4 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... futex resumed>) = 0 [pid 6017] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... close resumed>) = 0 [pid 6023] fspick(AT_FDCWD, ".", 0 [pid 6020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6025] close(3 [pid 6023] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6020] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6017] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... write resumed>) = 262144 [pid 6025] <... close resumed>) = 0 [pid 6024] <... write resumed>) = 262144 [pid 6023] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... ioctl resumed>) = 0 [pid 6025] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 1 [pid 6020] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = 0 [pid 6026] munmap(0x7fc4e5d63000, 262144 [pid 6025] <... futex resumed>) = 1 [pid 6024] munmap(0x7fc4e5d63000, 262144 [pid 6023] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6018] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 5000] close(3 [pid 6025] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... futex resumed>) = 0 [pid 6017] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 6026] <... munmap resumed>) = 0 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... munmap resumed>) = 0 [pid 6023] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = ? [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6026] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6025] fspick(AT_FDCWD, ".", 0 [pid 6024] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6023] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] +++ exited with 0 +++ [pid 6017] +++ exited with 0 +++ [pid 6025] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6023] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... openat resumed>) = 4 [pid 6025] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... openat resumed>) = 4 [pid 6023] <... futex resumed>) = 1 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6026] ioctl(4, LOOP_SET_FD, 3 [pid 6025] <... futex resumed>) = 0 [pid 6024] ioctl(4, LOOP_SET_FD, 3 [pid 6023] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6027 [pid 6026] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6024] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6026] ioctl(4, LOOP_CLR_FD [pid 6025] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6024] ioctl(4, LOOP_CLR_FD [pid 6023] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... ioctl resumed>) = 0 [pid 6025] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... ioctl resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] <... futex resumed>) = 0 [pid 6023] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6023] <... futex resumed>) = 1 [pid 6021] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6025] <... openat resumed>) = 3 [pid 6023] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6026] ioctl(4, LOOP_SET_FD, 3 [pid 6025] <... futex resumed>) = 0 [pid 6024] ioctl(4, LOOP_SET_FD, 3 [pid 6023] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6021] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6027 attached [pid 6026] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6024] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6023] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6021] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 6027] set_robust_list(0x5555563db5e0, 24 [pid 6026] close(4 [pid 6025] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6024] close(4 [pid 6023] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] <... close resumed>) = 0 [pid 6025] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... close resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6026] close(3 [pid 6025] <... futex resumed>) = 0 [pid 6024] close(3 [pid 6023] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] exit_group(0 [pid 5004] <... ioctl resumed>) = 0 [pid 6021] exit_group(0 [pid 6027] <... prctl resumed>) = 0 [pid 6025] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 6027] setpgid(0, 0 [pid 6026] <... close resumed>) = 0 [pid 6025] <... futex resumed>) = ? [pid 6024] <... close resumed>) = 0 [pid 6023] +++ exited with 0 +++ [pid 6021] <... exit_group resumed>) = ? [pid 6018] +++ exited with 0 +++ [pid 5004] close(3 [pid 6027] <... setpgid resumed>) = 0 [pid 6026] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] +++ exited with 0 +++ [pid 6024] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6027] write(3, "1000", 4) = 4 [pid 6021] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6027] close(3 [pid 6026] <... futex resumed>) = 1 [pid 6024] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = 0 [pid 6019] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6026] fspick(AT_FDCWD, ".", 0 [pid 6024] fspick(AT_FDCWD, ".", 0 [pid 6022] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6026] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6022] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6028 [pid 6027] <... mmap resumed>) = 0x7fc4ee163000 [pid 6026] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6027] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6026] <... futex resumed>) = 0 [pid 6024] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] <... futex resumed>) = 0 [pid 6027] <... mprotect resumed>) = 0 [pid 6026] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6026] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6024] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6027] <... clone resumed>, parent_tid=[6029], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6029 [pid 6026] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6028 attached [pid 6027] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 6028] set_robust_list(0x5555563db5e0, 24 [pid 6027] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6026] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] <... futex resumed>) = 1 [pid 6022] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... futex resumed>) = 0 [pid 6019] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 6028] <... prctl resumed>) = 0 [pid 6026] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5002] <... ioctl resumed>) = 0 [pid 6028] setpgid(0, 0 [pid 6026] <... openat resumed>) = 3 [pid 6024] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5002] close(3 [pid 6028] <... setpgid resumed>) = 0 [pid 6026] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6024] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6022] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] write(3, "1000", 4) = 4 [pid 6026] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6024] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6030 [pid 6028] close(3 [pid 6026] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6024] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6031 [pid 6028] <... close resumed>) = 0 [pid 6026] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] <... futex resumed>) = 0 [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = 0 [pid 6024] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6022] exit_group(0 [pid 6019] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6029 attached [pid 6028] <... futex resumed>) = 0 [pid 6024] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6022] <... exit_group resumed>) = ? [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6026] +++ exited with 0 +++ [pid 6028] <... mmap resumed>) = 0x7fc4ee163000 [pid 6024] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6028] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6029] set_robust_list(0x7fc4ee1839e0, 24 [pid 6024] <... futex resumed>) = 1 [pid 6022] +++ exited with 0 +++ [pid 6019] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6030 attached [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] <... clone resumed>, parent_tid=[6032], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6032 [pid 6024] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] exit_group(0./strace-static-x86_64: Process 6031 attached [pid 6030] set_robust_list(0x5555563db5e0, 24 [pid 6029] memfd_create("syzkaller", 0 [pid 6028] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = ? [pid 6019] <... exit_group resumed>) = ? [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6031] set_robust_list(0x5555563db5e0, 24 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] <... prctl resumed>) = 0 [pid 6024] +++ exited with 0 +++ [pid 6019] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6029] <... memfd_create resumed>) = 3 [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6031] <... prctl resumed>) = 0 [pid 6030] setpgid(0, 0 [pid 6029] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6031] setpgid(0, 0 [pid 6030] <... setpgid resumed>) = 0 [pid 6031] <... setpgid resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6031] <... openat resumed>) = 3 [pid 6030] write(3, "1000", 4 [pid 4999] <... ioctl resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] close(3 [pid 6031] write(3, "1000", 4 [pid 6030] <... write resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 4999] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] <... write resumed>) = 4 [pid 6030] close(3 [pid 5001] <... ioctl resumed>) = 0 [pid 6031] close(3 [pid 6030] <... close resumed>) = 0 [pid 5001] close(3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6033 [pid 6031] <... close resumed>) = 0 [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] <... mmap resumed>) = 0x7fc4ee163000 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6031] <... mmap resumed>) = 0x7fc4ee163000 [pid 6030] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6034 [pid 6031] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6030] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6031] <... mprotect resumed>) = 0 [pid 6030] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6032] set_robust_list(0x7fc4ee1839e0, 24 [pid 6031] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6032] <... set_robust_list resumed>) = 0 [pid 6030] <... clone resumed>, parent_tid=[6035], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6035 [pid 6032] memfd_create("syzkaller", 0 [pid 6031] <... clone resumed>, parent_tid=[6036], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6036 [pid 6030] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... write resumed>) = 262144 [pid 6031] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6032] <... memfd_create resumed>) = 3 [pid 6031] <... futex resumed>) = 0 [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6029] munmap(0x7fc4e5d63000, 262144 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6034 attached [pid 6034] set_robust_list(0x5555563db5e0, 24 [pid 6032] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6034] setpgid(0, 0) = 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6029] <... munmap resumed>) = 0 [pid 6034] write(3, "1000", 4 [pid 6029] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6034] <... write resumed>) = 4 [pid 6029] <... openat resumed>) = 4 [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 6034] close(3 [pid 6029] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6029] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 6035 attached [pid 6034] <... close resumed>) = 0 [pid 6029] <... ioctl resumed>) = 0 [pid 6035] set_robust_list(0x7fc4ee1839e0, 24 [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6033 attached [pid 6035] memfd_create("syzkaller", 0 [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] <... memfd_create resumed>) = 3 [pid 6034] <... mmap resumed>) = 0x7fc4ee163000 [pid 6033] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6034] <... mprotect resumed>) = 0 [pid 6033] <... prctl resumed>) = 0 [pid 6032] <... write resumed>) = 262144 [pid 6029] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6036 attached [pid 6035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6034] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6033] setpgid(0, 0 [pid 6032] munmap(0x7fc4e5d63000, 262144 [pid 6029] close(4) = 0 [pid 6033] <... setpgid resumed>) = 0 [pid 6029] close(3 [pid 6036] set_robust_list(0x7fc4ee1839e0, 24 [pid 6035] <... write resumed>) = 262144 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... close resumed>) = 0 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6034] <... clone resumed>, parent_tid=[6037], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6037 [pid 6032] <... munmap resumed>) = 0 [pid 6029] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] memfd_create("syzkaller", 0 [pid 6034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... openat resumed>) = 3 [pid 6032] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6029] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6036] <... memfd_create resumed>) = 3 [pid 6034] <... futex resumed>) = 0 [pid 6033] write(3, "1000", 4 [pid 6032] <... openat resumed>) = 4 [pid 6029] fspick(AT_FDCWD, ".", 0 [pid 6027] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] munmap(0x7fc4e5d63000, 262144 [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6033] <... write resumed>) = 4 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6029] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6027] <... futex resumed>) = 0 [pid 6036] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6035] <... munmap resumed>) = 0 [pid 6033] close(3 [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6032] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... openat resumed>) = 4 [pid 6033] <... close resumed>) = 0 [pid 6032] ioctl(4, LOOP_CLR_FD [pid 6029] <... futex resumed>) = 0 [pid 6027] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 6027] <... futex resumed>) = 0 [pid 6029] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6035] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... ioctl resumed>) = 0 [pid 6029] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] ioctl(4, LOOP_CLR_FD [pid 6033] <... futex resumed>) = 0 [pid 6029] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... ioctl resumed>) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] <... futex resumed>) = 0 [pid 6027] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6033] <... mmap resumed>) = 0x7fc4ee163000 [pid 6029] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6027] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6037 attached [pid 6033] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6037] set_robust_list(0x7fc4ee1839e0, 24 [pid 6029] <... openat resumed>) = 3 [pid 6033] <... mprotect resumed>) = 0 [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... write resumed>) = 262144 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6029] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] memfd_create("syzkaller", 0 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 6033] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6029] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] <... futex resumed>) = 0 [pid 6037] <... memfd_create resumed>) = 3 [pid 6035] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6027] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] close(4 [pid 6033] <... clone resumed>, parent_tid=[6038], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6038 [pid 6027] <... futex resumed>) = 1 [pid 6033] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6029] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6032] close(4 [pid 6029] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6037] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6035] <... close resumed>) = 0 [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6032] <... close resumed>) = 0 [pid 6029] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6027] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] close(3 [pid 6029] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] close(3 [pid 6029] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6032] <... close resumed>) = 0 [pid 6029] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] exit_group(0 [pid 6032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... close resumed>) = 0 [pid 6032] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... exit_group resumed>) = ? [pid 6032] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] <... futex resumed>) = ? [pid 6028] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... write resumed>) = 262144 [pid 6035] <... futex resumed>) = 1 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... futex resumed>) = 0 [pid 6029] +++ exited with 0 +++ [pid 6028] <... futex resumed>) = 0 [pid 6027] +++ exited with 0 +++ [pid 6032] fspick(AT_FDCWD, ".", 0 [pid 6030] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] fspick(AT_FDCWD, ".", 0 [pid 6037] munmap(0x7fc4e5d63000, 262144 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6032] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6035] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] <... munmap resumed>) = 0 [pid 6036] munmap(0x7fc4e5d63000, 262144 [pid 6035] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = 0 [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6037] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6036] <... munmap resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6032] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6036] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6032] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6037] <... openat resumed>) = 4 [pid 6036] <... openat resumed>) = 4 [pid 6035] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 6037] ioctl(4, LOOP_SET_FD, 3 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 6037] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6032] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6037] ioctl(4, LOOP_CLR_FD [pid 6036] ioctl(4, LOOP_CLR_FD [pid 6035] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6037] <... ioctl resumed>) = 0 [pid 6036] <... ioctl resumed>) = 0 [pid 6035] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] <... futex resumed>) = 1 [pid 6032] <... openat resumed>) = 3 [pid 6030] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6039 [pid 6035] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6038 attached [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 1 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6038] set_robust_list(0x7fc4ee1839e0, 24 [pid 6035] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6032] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6037] ioctl(4, LOOP_SET_FD, 3 [pid 6036] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... openat resumed>) = 3 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] memfd_create("syzkaller", 0 [pid 6037] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6036] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6028] <... futex resumed>) = 0 [pid 6038] <... memfd_create resumed>) = 3 [pid 6037] close(4 [pid 6036] close(4 [pid 6035] <... futex resumed>) = 1 [pid 6032] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6030] <... futex resumed>) = 0 [pid 6028] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6037] <... close resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 6035] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6032] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6038] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6037] close(3 [pid 6036] close(3 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] exit_group(0 [pid 6038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6037] <... close resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 6035] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6030] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... exit_group resumed>) = ? [pid 6038] <... write resumed>) = 262144 [pid 6037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6032] +++ exited with 0 +++ [pid 6038] munmap(0x7fc4e5d63000, 262144 [pid 6036] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6039 attached [pid 6038] <... munmap resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 6036] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6028] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6038] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6039] set_robust_list(0x5555563db5e0, 24 [pid 6038] <... openat resumed>) = 4 [pid 6037] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] <... futex resumed>) = 1 [pid 6034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6038] ioctl(4, LOOP_SET_FD, 3 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = 0 [pid 6035] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6030] exit_group(0 [pid 6039] <... prctl resumed>) = 0 [pid 6038] ioctl(4, LOOP_CLR_FD [pid 6037] fspick(AT_FDCWD, ".", 0 [pid 6036] fspick(AT_FDCWD, ".", 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... exit_group resumed>) = ? [pid 6035] <... futex resumed>) = ? [pid 6039] setpgid(0, 0 [pid 6038] <... ioctl resumed>) = 0 [pid 6037] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 6036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6036] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 6036] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] close(3) = 0 [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6040 [pid 6035] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ [pid 6031] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... setpgid resumed>) = 0 [pid 6038] ioctl(4, LOOP_SET_FD, 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6038] close(4 [pid 6037] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6036] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... openat resumed>) = 3 [pid 6038] <... close resumed>) = 0 [pid 6037] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6038] close(3 [pid 6037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6039] write(3, "1000", 4 [pid 6038] <... close resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... futex resumed>) = 0 [pid 6039] <... write resumed>) = 4 [pid 6039] close(3 [pid 6038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6040 attached [pid 6039] <... close resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = 0 [pid 6031] <... futex resumed>) = 0 [pid 6040] set_robust_list(0x5555563db5e0, 24 [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] <... futex resumed>) = 0 [pid 6036] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6034] <... futex resumed>) = 1 [pid 6033] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6036] <... openat resumed>) = 3 [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] fspick(AT_FDCWD, ".", 0 [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6040] <... prctl resumed>) = 0 [pid 6039] <... mmap resumed>) = 0x7fc4ee163000 [pid 6038] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... openat resumed>) = 3 [pid 6036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 6040] setpgid(0, 0 [pid 6039] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = 1 [pid 6031] <... futex resumed>) = 0 [pid 5003] close(3 [pid 6040] <... setpgid resumed>) = 0 [pid 6039] <... mprotect resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = 1 [pid 6036] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6031] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6034] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] <... openat resumed>) = 3 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6031] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] write(3, "1000", 4 [pid 6039] <... clone resumed>, parent_tid=[6041], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6041 [pid 6038] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6037] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6036] <... futex resumed>) = 0 [pid 6034] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6042 [pid 6040] <... write resumed>) = 4 [pid 6039] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6036] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] exit_group(0 [pid 6040] close(3 [pid 6039] <... futex resumed>) = 0 [pid 6038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = ? [pid 6031] <... exit_group resumed>) = ? [pid 6040] <... close resumed>) = 0 [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6038] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = 1 [pid 6036] +++ exited with 0 +++ [pid 6034] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... futex resumed>) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6037] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] exit_group(0 [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] +++ exited with 0 +++ [pid 6040] <... mmap resumed>) = 0x7fc4ee163000 [pid 6038] <... openat resumed>) = 3 [pid 6037] <... futex resumed>) = ? [pid 6034] <... exit_group resumed>) = ? [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6040] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] +++ exited with 0 +++ [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6040] <... mprotect resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6040] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] +++ exited with 0 +++ [pid 6033] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6040] <... clone resumed>, parent_tid=[6043], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6043 [pid 6038] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6033] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... openat resumed>) = 3 [pid 6040] <... futex resumed>) = 0 [pid 6038] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6038] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6038] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] exit_group(0 [pid 5002] close(3 [pid 6038] <... futex resumed>) = ? [pid 6033] <... exit_group resumed>) = ? [pid 5002] <... close resumed>) = 0 [pid 6038] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6042 attached [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6044 [pid 6042] set_robust_list(0x5555563db5e0, 24 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6042] <... set_robust_list resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] <... openat resumed>) = 3 [pid 6042] <... prctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6042] setpgid(0, 0 [pid 5001] close(3 [pid 4999] <... ioctl resumed>) = 0 [pid 6042] <... setpgid resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4999] close(3 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... close resumed>) = 0 [pid 6042] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6042] write(3, "1000", 4 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6045 [pid 6042] <... write resumed>) = 4 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6046 ./strace-static-x86_64: Process 6046 attached ./strace-static-x86_64: Process 6043 attached ./strace-static-x86_64: Process 6041 attached [pid 6042] close(3 [pid 6046] set_robust_list(0x5555563db5e0, 24 [pid 6043] set_robust_list(0x7fc4ee1839e0, 24 [pid 6042] <... close resumed>) = 0 [pid 6041] set_robust_list(0x7fc4ee1839e0, 24 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] <... mmap resumed>) = 0x7fc4ee163000 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6042] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6041] memfd_create("syzkaller", 0 [pid 6046] <... prctl resumed>) = 0 [pid 6043] memfd_create("syzkaller", 0 [pid 6041] <... memfd_create resumed>) = 3 [pid 6042] <... clone resumed>, parent_tid=[6047], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6047 [pid 6046] setpgid(0, 0 [pid 6042] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6043] <... memfd_create resumed>) = 3 [pid 6042] <... futex resumed>) = 0 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6046] <... setpgid resumed>) = 0 [pid 6041] <... mmap resumed>) = 0x7fc4e5d63000 ./strace-static-x86_64: Process 6045 attached [pid 6045] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 6044 attached [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... set_robust_list resumed>) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] set_robust_list(0x5555563db5e0, 24 [pid 6045] <... prctl resumed>) = 0 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6045] setpgid(0, 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] <... setpgid resumed>) = 0 [pid 6044] <... prctl resumed>) = 0 [pid 6046] <... openat resumed>) = 3 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] setpgid(0, 0 [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6046] write(3, "1000", 4 [pid 6045] <... openat resumed>) = 3 [pid 6044] <... setpgid resumed>) = 0 [pid 6043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6045] write(3, "1000", 4 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... write resumed>) = 4 [pid 6044] <... openat resumed>) = 3 [pid 6045] close(3 [pid 6044] write(3, "1000", 4 [pid 6045] <... close resumed>) = 0 [pid 6044] <... write resumed>) = 4 [pid 6041] <... write resumed>) = 262144 [pid 6046] <... write resumed>) = 4 [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] close(3 [pid 6043] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... close resumed>) = 0 [pid 6046] close(3 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6047 attached [pid 6045] <... mmap resumed>) = 0x7fc4ee163000 [pid 6044] <... futex resumed>) = 0 [pid 6047] set_robust_list(0x7fc4ee1839e0, 24 [pid 6045] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6045] <... mprotect resumed>) = 0 [pid 6044] <... mmap resumed>) = 0x7fc4ee163000 [pid 6047] memfd_create("syzkaller", 0 [pid 6046] <... close resumed>) = 0 [pid 6045] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6044] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6041] munmap(0x7fc4e5d63000, 262144 [pid 6047] <... memfd_create resumed>) = 3 [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... mprotect resumed>) = 0 [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6046] <... futex resumed>) = 0 [pid 6045] <... clone resumed>, parent_tid=[6048], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6048 [pid 6044] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6047] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6045] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... munmap resumed>) = 0 [pid 6047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6046] <... mmap resumed>) = 0x7fc4ee163000 [pid 6045] <... futex resumed>) = 0 [pid 6044] <... clone resumed>, parent_tid=[6049], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6049 [pid 6043] <... write resumed>) = 262144 [pid 6041] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6046] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6044] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... mprotect resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6043] munmap(0x7fc4e5d63000, 262144 [pid 6041] <... openat resumed>) = 4 [pid 6046] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6041] ioctl(4, LOOP_SET_FD, 3 [pid 6046] <... clone resumed>, parent_tid=[6050], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6050 [pid 6041] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] <... write resumed>) = 262144 [pid 6046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] ioctl(4, LOOP_CLR_FD [pid 6046] <... futex resumed>) = 0 [pid 6043] <... munmap resumed>) = 0 [pid 6047] munmap(0x7fc4e5d63000, 262144 [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6043] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6041] <... ioctl resumed>) = 0 [pid 6043] <... openat resumed>) = 4 [pid 6047] <... munmap resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6043] ioctl(4, LOOP_SET_FD, 3 [pid 6047] <... openat resumed>) = 4 [pid 6043] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] ioctl(4, LOOP_SET_FD, 3 [pid 6043] ioctl(4, LOOP_CLR_FD [pid 6047] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6043] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6049 attached [pid 6047] ioctl(4, LOOP_CLR_FD [pid 6049] set_robust_list(0x7fc4ee1839e0, 24 [pid 6047] <... ioctl resumed>) = 0 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6049] memfd_create("syzkaller", 0 [pid 6041] ioctl(4, LOOP_SET_FD, 3 [pid 6049] <... memfd_create resumed>) = 3 [pid 6041] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6041] close(4 [pid 6049] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6041] <... close resumed>) = 0 [pid 6047] ioctl(4, LOOP_SET_FD, 3 [pid 6041] close(3 [pid 6047] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] close(4) = 0 [pid 6047] close(3./strace-static-x86_64: Process 6050 attached ./strace-static-x86_64: Process 6048 attached ) = 0 [pid 6043] ioctl(4, LOOP_SET_FD, 3 [pid 6041] <... close resumed>) = 0 [pid 6050] set_robust_list(0x7fc4ee1839e0, 24 [pid 6049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6048] set_robust_list(0x7fc4ee1839e0, 24 [pid 6047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6043] close(4 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6047] fspick(AT_FDCWD, ".", 0 [pid 6042] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... close resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] memfd_create("syzkaller", 0 [pid 6047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] close(3 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... futex resumed>) = 0 [pid 6049] <... write resumed>) = 262144 [pid 6047] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] munmap(0x7fc4e5d63000, 262144 [pid 6047] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6042] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... close resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6041] fspick(AT_FDCWD, ".", 0 [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] memfd_create("syzkaller", 0 [pid 6049] <... munmap resumed>) = 0 [pid 6048] <... memfd_create resumed>) = 3 [pid 6047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... memfd_create resumed>) = 3 [pid 6049] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6047] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] <... openat resumed>) = 4 [pid 6048] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6047] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = 1 [pid 6040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = 0 [pid 6041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 6039] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6043] fspick(AT_FDCWD, ".", 0 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... futex resumed>) = 0 [pid 6049] ioctl(4, LOOP_CLR_FD [pid 6047] <... openat resumed>) = 3 [pid 6043] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6041] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... ioctl resumed>) = 0 [pid 6047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6047] <... futex resumed>) = 1 [pid 6043] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = 0 [pid 6047] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = 1 [pid 6040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = 0 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... futex resumed>) = 0 [pid 6041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 6039] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6043] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6042] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... futex resumed>) = 0 [pid 6047] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6043] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6041] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6047] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... openat resumed>) = 3 [pid 6043] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6049] close(4 [pid 6047] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] exit_group(0 [pid 6041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... close resumed>) = 0 [pid 6047] <... futex resumed>) = ? [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... exit_group resumed>) = ? [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6049] close(3 [pid 6048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6047] +++ exited with 0 +++ [pid 6043] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6042] +++ exited with 0 +++ [pid 6041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... close resumed>) = 0 [pid 6043] <... openat resumed>) = 3 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... futex resumed>) = 0 [pid 6049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6039] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6049] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 1 [pid 6041] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6040] <... futex resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 6049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6041] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6049] fspick(AT_FDCWD, ".", 0 [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6041] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... restart_syscall resumed>) = 0 [pid 6039] exit_group(0 [pid 6049] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6041] <... futex resumed>) = ? [pid 6039] <... exit_group resumed>) = ? [pid 6049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] +++ exited with 0 +++ [pid 6049] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... futex resumed>) = 0 [pid 6039] +++ exited with 0 +++ [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6043] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6049] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] exit_group(0 [pid 5003] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6049] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 5003] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6050] <... write resumed>) = 262144 [pid 6049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... write resumed>) = 262144 [pid 6043] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6050] munmap(0x7fc4e5d63000, 262144 [pid 6049] <... futex resumed>) = 1 [pid 6048] munmap(0x7fc4e5d63000, 262144 [pid 6044] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... munmap resumed>) = 0 [pid 6044] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... munmap resumed>) = 0 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6044] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6051 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6050] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6049] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6048] <... openat resumed>) = 4 [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... openat resumed>) = 3 [pid 6049] <... openat resumed>) = 3 [pid 6048] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6050] <... openat resumed>) = 4 [pid 6049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] <... ioctl resumed>) = 0 [pid 6050] ioctl(4, LOOP_SET_FD, 3 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6044] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 6050] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] ioctl(4, LOOP_CLR_FD [pid 6044] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5000] <... close resumed>) = 0 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6050] ioctl(4, LOOP_CLR_FD [pid 6049] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6048] <... ioctl resumed>) = 0 [pid 6044] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6050] <... ioctl resumed>) = 0 [pid 6049] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6052 [pid 6049] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6053 [pid 6049] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6049] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] exit_group(0 [pid 6049] <... futex resumed>) = ? [pid 6044] <... exit_group resumed>) = ? [pid 6049] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 6050] ioctl(4, LOOP_SET_FD, 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6048] ioctl(4, LOOP_SET_FD, 3 [pid 6050] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6048] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6050] close(4 [pid 6048] close(4 [pid 5002] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = 0 [pid 6050] <... close resumed>) = 0 [pid 6048] <... close resumed>) = 0 [pid 5002] close(3) = 0 [pid 6050] close(3 [pid 6048] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6053 attached ./strace-static-x86_64: Process 6051 attached [pid 6050] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6054 [pid 6053] set_robust_list(0x5555563db5e0, 24 [pid 6051] set_robust_list(0x5555563db5e0, 24 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... close resumed>) = 0 [pid 6053] <... prctl resumed>) = 0 [pid 6051] <... prctl resumed>) = 0 [pid 6053] setpgid(0, 0 [pid 6051] setpgid(0, 0 [pid 6048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6053] <... setpgid resumed>) = 0 [pid 6051] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6052 attached [pid 6050] fspick(AT_FDCWD, ".", 0 [pid 6048] <... futex resumed>) = 1 [pid 6046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] <... futex resumed>) = 0 [pid 6053] <... openat resumed>) = 3 [pid 6052] set_robust_list(0x5555563db5e0, 24 [pid 6051] <... openat resumed>) = 3 [pid 6050] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6048] fspick(AT_FDCWD, ".", 0 [pid 6046] <... futex resumed>) = 0 [pid 6045] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] write(3, "1000", 4 [pid 6051] write(3, "1000", 4 [pid 6050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6048] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = 0 [pid 6053] <... write resumed>) = 4 [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] <... write resumed>) = 4 [pid 6050] <... futex resumed>) = 0 [pid 6048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6054 attached [pid 6053] close(3 [pid 6052] <... prctl resumed>) = 0 [pid 6051] close(3 [pid 6050] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... futex resumed>) = 0 [pid 6046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] set_robust_list(0x5555563db5e0, 24 [pid 6053] <... close resumed>) = 0 [pid 6052] setpgid(0, 0 [pid 6051] <... close resumed>) = 0 [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6046] <... futex resumed>) = 0 [pid 6045] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... futex resumed>) = 0 [pid 6052] <... setpgid resumed>) = 0 [pid 6051] <... futex resumed>) = 0 [pid 6050] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6048] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... prctl resumed>) = 0 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] setpgid(0, 0 [pid 6053] <... mmap resumed>) = 0x7fc4ee163000 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] <... mmap resumed>) = 0x7fc4ee163000 [pid 6050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6045] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... setpgid resumed>) = 0 [pid 6053] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6051] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... futex resumed>) = 1 [pid 6048] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6046] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] <... mprotect resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6051] <... mprotect resumed>) = 0 [pid 6050] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... openat resumed>) = 3 [pid 6053] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6052] write(3, "1000", 4 [pid 6051] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... openat resumed>) = 3 [pid 6046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] write(3, "1000", 4 [pid 6052] <... write resumed>) = 4 [pid 6050] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 0 [pid 6054] <... write resumed>) = 4 [pid 6053] <... clone resumed>, parent_tid=[6055], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6055 [pid 6051] <... clone resumed>, parent_tid=[6056], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6056 [pid 6050] <... openat resumed>) = 3 [pid 6048] <... futex resumed>) = 1 [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = 0 [pid 6054] close(3 [pid 6053] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] close(3 [pid 6051] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... close resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... close resumed>) = 0 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... futex resumed>) = 0 [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6050] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6048] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6046] <... futex resumed>) = 0 [pid 6045] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6050] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6048] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6046] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... mmap resumed>) = 0x7fc4ee163000 [pid 6050] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6054] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6052] <... mmap resumed>) = 0x7fc4ee163000 [pid 6050] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] exit_group(0 [pid 6045] exit_group(0 [pid 6054] <... mprotect resumed>) = 0 [pid 6052] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... futex resumed>) = ? [pid 6048] <... futex resumed>) = ? [pid 6046] <... exit_group resumed>) = ? [pid 6045] <... exit_group resumed>) = ? [pid 6054] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6050] +++ exited with 0 +++ [pid 6048] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 6052] <... mprotect resumed>) = 0 [pid 6045] +++ exited with 0 +++ [pid 6052] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6054] <... clone resumed>, parent_tid=[6057], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6057 [pid 6054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6052] <... clone resumed>, parent_tid=[6058], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6058 [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6056 attached [pid 6056] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6056] memfd_create("syzkaller", 0 [pid 6052] <... futex resumed>) = 0 [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 4999] close(3 [pid 5001] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6056] <... memfd_create resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6059 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6060 [pid 6056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 6056] munmap(0x7fc4e5d63000, 262144) = 0 [pid 6056] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6056] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6056] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 6059 attached [pid 6059] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6059] setpgid(0, 0) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6060 attached ./strace-static-x86_64: Process 6058 attached ./strace-static-x86_64: Process 6057 attached ./strace-static-x86_64: Process 6055 attached [pid 6058] set_robust_list(0x7fc4ee1839e0, 24 [pid 6057] set_robust_list(0x7fc4ee1839e0, 24 [pid 6055] set_robust_list(0x7fc4ee1839e0, 24 [pid 6060] set_robust_list(0x5555563db5e0, 24 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6058] memfd_create("syzkaller", 0 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] ioctl(4, LOOP_SET_FD, 3 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6056] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] memfd_create("syzkaller", 0 [pid 6056] close(4) = 0 [pid 6055] memfd_create("syzkaller", 0 [pid 6056] close(3 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] <... memfd_create resumed>) = 3 [pid 6057] <... memfd_create resumed>) = 3 [pid 6056] <... close resumed>) = 0 [pid 6055] <... memfd_create resumed>) = 3 [pid 6056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... prctl resumed>) = 0 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6056] <... futex resumed>) = 1 [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6051] <... futex resumed>) = 0 [pid 6056] fspick(AT_FDCWD, ".", 0 [pid 6051] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] setpgid(0, 0) = 0 [pid 6058] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6057] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6056] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6051] <... futex resumed>) = 0 [pid 6056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... openat resumed>) = 3 [pid 6056] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6051] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] write(3, "1000", 4 [pid 6056] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... futex resumed>) = 0 [pid 6059] <... write resumed>) = 4 [pid 6056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] close(3 [pid 6056] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... close resumed>) = 0 [pid 6056] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6051] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6056] <... openat resumed>) = 3 [pid 6051] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... mmap resumed>) = 0x7fc4ee163000 [pid 6056] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6051] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6056] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6051] <... futex resumed>) = 0 [pid 6059] <... mprotect resumed>) = 0 [pid 6056] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6056] <... futex resumed>) = 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] exit_group(0 [pid 6059] <... clone resumed>, parent_tid=[6061], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6061 [pid 6056] <... futex resumed>) = ? [pid 6051] <... exit_group resumed>) = ? [pid 6060] <... openat resumed>) = 3 [pid 6059] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] +++ exited with 0 +++ [pid 6055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6051] +++ exited with 0 +++ [pid 6059] <... futex resumed>) = 0 [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6060] write(3, "1000", 4 [pid 6058] <... write resumed>) = 262144 [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6060] <... write resumed>) = 4 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6062 [pid 6060] close(3 [pid 6055] <... write resumed>) = 262144 ./strace-static-x86_64: Process 6062 attached [pid 6062] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] setpgid(0, 0) = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6057] <... write resumed>) = 262144 [pid 6060] <... close resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] munmap(0x7fc4e5d63000, 262144 [pid 6060] <... futex resumed>) = 0 [pid 6057] munmap(0x7fc4e5d63000, 262144 [pid 6055] munmap(0x7fc4e5d63000, 262144 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6055] <... munmap resumed>) = 0 [pid 6060] <... mmap resumed>) = 0x7fc4ee163000 [pid 6062] write(3, "1000", 4) = 4 [pid 6062] close(3) = 0 [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6060] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6062] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6058] <... munmap resumed>) = 0 [pid 6060] <... mprotect resumed>) = 0 [pid 6060] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6057] <... munmap resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6058] <... openat resumed>) = 4 [pid 6057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6055] <... openat resumed>) = 4 [pid 6060] <... clone resumed>, parent_tid=[6063], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6063 [pid 6058] ioctl(4, LOOP_SET_FD, 3 [pid 6062] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] <... openat resumed>) = 4 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6060] <... futex resumed>) = 0 [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6055] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6058] ioctl(4, LOOP_CLR_FD [pid 6057] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6061 attached [pid 6062] <... clone resumed>, parent_tid=[6064], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6064 [pid 6062] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] set_robust_list(0x7fc4ee1839e0, 24 [pid 6058] <... ioctl resumed>) = 0 [pid 6057] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6055] ioctl(4, LOOP_CLR_FD [pid 6062] <... futex resumed>) = 0 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6055] <... ioctl resumed>) = 0 [pid 6057] ioctl(4, LOOP_CLR_FD [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] memfd_create("syzkaller", 0 [pid 6057] <... ioctl resumed>) = 0 [pid 6061] <... memfd_create resumed>) = 3 [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6058] ioctl(4, LOOP_SET_FD, 3 [pid 6057] ioctl(4, LOOP_SET_FD, 3 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6058] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6057] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6055] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] <... write resumed>) = 262144 [pid 6058] close(4 [pid 6057] close(4 [pid 6055] close(4 [pid 6058] <... close resumed>) = 0 [pid 6057] <... close resumed>) = 0 [pid 6055] <... close resumed>) = 0 [pid 6058] close(3 [pid 6057] close(3 [pid 6055] close(3./strace-static-x86_64: Process 6063 attached [pid 6061] munmap(0x7fc4e5d63000, 262144) = 0 ./strace-static-x86_64: Process 6064 attached [pid 6064] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6058] <... close resumed>) = 0 [pid 6055] <... close resumed>) = 0 [pid 6064] memfd_create("syzkaller", 0 [pid 6061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6061] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6061] ioctl(4, LOOP_CLR_FD [pid 6064] <... memfd_create resumed>) = 3 [pid 6061] <... ioctl resumed>) = 0 [pid 6057] <... close resumed>) = 0 [pid 6055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6064] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6063] set_robust_list(0x7fc4ee1839e0, 24 [pid 6058] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 1 [pid 6055] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6061] ioctl(4, LOOP_SET_FD, 3 [pid 6058] fspick(AT_FDCWD, ".", 0 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] fspick(AT_FDCWD, ".", 0 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] memfd_create("syzkaller", 0 [pid 6064] <... write resumed>) = 262144 [pid 6063] <... memfd_create resumed>) = 3 [pid 6061] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6058] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6057] fspick(AT_FDCWD, ".", 0 [pid 6055] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] close(4 [pid 6058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = 0 [pid 6061] <... close resumed>) = 0 [pid 6055] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6061] close(3 [pid 6058] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 1 [pid 6055] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] munmap(0x7fc4e5d63000, 262144 [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6061] <... close resumed>) = 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6064] <... munmap resumed>) = 0 [pid 6063] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6057] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6055] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... openat resumed>) = 4 [pid 6061] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] ioctl(4, LOOP_SET_FD, 3 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6064] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] fspick(AT_FDCWD, ".", 0 [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] <... futex resumed>) = 1 [pid 6055] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] ioctl(4, LOOP_CLR_FD [pid 6061] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6064] <... ioctl resumed>) = 0 [pid 6061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... openat resumed>) = 3 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6057] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6061] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... openat resumed>) = 3 [pid 6055] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] ioctl(4, LOOP_SET_FD, 3 [pid 6061] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6057] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 6064] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6058] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6054] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] close(4 [pid 6061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6054] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... close resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6057] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6055] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] exit_group(0 [pid 6064] close(3 [pid 6061] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6055] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6052] <... exit_group resumed>) = ? [pid 6064] <... close resumed>) = 0 [pid 6063] <... write resumed>) = 262144 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 6058] +++ exited with 0 +++ [pid 6057] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] exit_group(0 [pid 6064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... exit_group resumed>) = ? [pid 6064] <... futex resumed>) = 1 [pid 6063] munmap(0x7fc4e5d63000, 262144 [pid 6062] <... futex resumed>) = 0 [pid 6061] <... openat resumed>) = 3 [pid 6057] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = ? [pid 6054] <... futex resumed>) = 0 [pid 6052] +++ exited with 0 +++ [pid 6064] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6064] fspick(AT_FDCWD, ".", 0 [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 6064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6059] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6061] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6055] +++ exited with 0 +++ [pid 6054] exit_group(0 [pid 6053] +++ exited with 0 +++ [pid 5000] <... restart_syscall resumed>) = 0 [pid 6064] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] <... munmap resumed>) = 0 [pid 6062] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = ? [pid 6054] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6057] +++ exited with 0 +++ [pid 6064] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6061] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] exit_group(0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6064] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6061] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 6054] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 6064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] +++ exited with 0 +++ [pid 6059] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6064] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 6064] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] close(3 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 6064] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6064] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 6064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6065 [pid 6064] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 6064] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] close(3 [pid 5001] <... close resumed>) = 0 [pid 6064] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6063] <... openat resumed>) = 4 [pid 6062] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6066 attached [pid 6064] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6063] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6066 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6066] set_robust_list(0x5555563db5e0, 24 [pid 6064] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6067 [pid 6064] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6068 [pid 6063] ioctl(4, LOOP_CLR_FD [pid 6066] <... set_robust_list resumed>) = 0 [pid 6064] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] exit_group(0 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6064] <... futex resumed>) = ? [pid 6063] <... ioctl resumed>) = 0 [pid 6062] <... exit_group resumed>) = ? [pid 6066] <... prctl resumed>) = 0 [pid 6064] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6066] setpgid(0, 0) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 6066] <... openat resumed>) = 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6066] write(3, "1000", 4./strace-static-x86_64: Process 6067 attached ) = 4 [pid 6063] ioctl(4, LOOP_SET_FD, 3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6069 ./strace-static-x86_64: Process 6065 attached [pid 6066] close(3 [pid 6063] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6067] set_robust_list(0x5555563db5e0, 24 [pid 6066] <... close resumed>) = 0 [pid 6065] set_robust_list(0x5555563db5e0, 24 [pid 6063] close(4 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... close resumed>) = 0 [pid 6065] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6068 attached [pid 6066] <... futex resumed>) = 0 [pid 6065] setpgid(0, 0 [pid 6063] close(3 [pid 6068] set_robust_list(0x5555563db5e0, 24 [pid 6065] <... setpgid resumed>) = 0 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6065] <... openat resumed>) = 3 [pid 6063] <... close resumed>) = 0 ./strace-static-x86_64: Process 6069 attached [pid 6068] <... prctl resumed>) = 0 [pid 6065] write(3, "1000", 4 [pid 6063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] set_robust_list(0x5555563db5e0, 24 [pid 6068] setpgid(0, 0 [pid 6067] <... prctl resumed>) = 0 [pid 6066] <... mmap resumed>) = 0x7fc4ee163000 [pid 6065] <... write resumed>) = 4 [pid 6063] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] <... setpgid resumed>) = 0 [pid 6065] close(3 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] setpgid(0, 0 [pid 6066] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6065] <... close resumed>) = 0 [pid 6063] fspick(AT_FDCWD, ".", 0 [pid 6060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... prctl resumed>) = 0 [pid 6068] <... openat resumed>) = 3 [pid 6067] <... setpgid resumed>) = 0 [pid 6066] <... mprotect resumed>) = 0 [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] setpgid(0, 0 [pid 6068] write(3, "1000", 4 [pid 6066] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6065] <... futex resumed>) = 0 [pid 6063] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6060] <... futex resumed>) = 0 [pid 6069] <... setpgid resumed>) = 0 [pid 6068] <... write resumed>) = 4 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] close(3 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] <... clone resumed>, parent_tid=[6070], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6070 [pid 6065] <... mmap resumed>) = 0x7fc4ee163000 [pid 6063] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... openat resumed>) = 3 [pid 6068] <... close resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6066] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6063] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] write(3, "1000", 4 [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] write(3, "1000", 4 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... mprotect resumed>) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 6069] <... write resumed>) = 4 [pid 6068] <... futex resumed>) = 0 [pid 6067] <... write resumed>) = 4 [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6065] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6063] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] close(3 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] close(3 [pid 6063] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... close resumed>) = 0 [pid 6068] <... mmap resumed>) = 0x7fc4ee163000 [pid 6065] <... clone resumed>, parent_tid=[6071], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6071 [pid 6063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6065] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6068] <... mprotect resumed>) = 0 [pid 6067] <... close resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6063] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6068] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6070 attached [pid 6069] <... mmap resumed>) = 0x7fc4ee163000 [pid 6067] <... futex resumed>) = 0 [pid 6063] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] set_robust_list(0x7fc4ee1839e0, 24 [pid 6069] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6068] <... clone resumed>, parent_tid=[6072], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6072 [pid 6063] <... openat resumed>) = 3 [pid 6067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] <... mprotect resumed>) = 0 [pid 6068] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] memfd_create("syzkaller", 0 [pid 6069] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6068] <... futex resumed>) = 0 [pid 6067] <... mmap resumed>) = 0x7fc4ee163000 [pid 6063] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6070] <... memfd_create resumed>) = 3 [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6067] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6063] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6069] <... clone resumed>, parent_tid=[6073], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6073 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 6070] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... mprotect resumed>) = 0 [pid 6063] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6060] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6069] <... futex resumed>) = 0 [pid 6067] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6063] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6073 attached ./strace-static-x86_64: Process 6071 attached [pid 6070] <... write resumed>) = 262144 [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] set_robust_list(0x7fc4ee1839e0, 24 [pid 6071] set_robust_list(0x7fc4ee1839e0, 24 [pid 6067] <... clone resumed>, parent_tid=[6074], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6074 [pid 6070] munmap(0x7fc4e5d63000, 262144 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6073] memfd_create("syzkaller", 0 [pid 6071] memfd_create("syzkaller", 0 [pid 6067] <... futex resumed>) = 0 [pid 6063] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] exit_group(0 [pid 6073] <... memfd_create resumed>) = 3 [pid 6071] <... memfd_create resumed>) = 3 [pid 6070] <... munmap resumed>) = 0 [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6063] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6070] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6063] +++ exited with 0 +++ [pid 6070] <... openat resumed>) = 4 [pid 6070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6070] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6072] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6072] memfd_create("syzkaller", 0 [pid 6060] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6072] <... memfd_create resumed>) = 3 [pid 6070] ioctl(4, LOOP_SET_FD, 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6070] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] <... openat resumed>) = 3 [pid 6072] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6070] close(4 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6073] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6070] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6070] close(3 [pid 4999] close(3 [pid 6073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6070] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6071] <... write resumed>) = 262144 [pid 6070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6070] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 0 [pid 6070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6075 [pid 6073] <... write resumed>) = 262144 [pid 6071] munmap(0x7fc4e5d63000, 262144 [pid 6066] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = 0 [pid 6066] <... futex resumed>) = 1 [pid 6073] munmap(0x7fc4e5d63000, 262144 [pid 6070] fspick(AT_FDCWD, ".", 0 [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... munmap resumed>) = 0 [pid 6072] <... write resumed>) = 262144 [pid 6071] <... munmap resumed>) = 0 [pid 6070] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6071] <... openat resumed>) = 4 [pid 6070] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 0 [pid 6073] <... openat resumed>) = 4 [pid 6072] munmap(0x7fc4e5d63000, 262144 [pid 6071] ioctl(4, LOOP_SET_FD, 3 [pid 6070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6072] <... munmap resumed>) = 0 [pid 6071] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = 0 [pid 6072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6071] ioctl(4, LOOP_CLR_FD [pid 6070] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6072] <... openat resumed>) = 4 [pid 6071] <... ioctl resumed>) = 0 [pid 6070] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6072] ioctl(4, LOOP_SET_FD, 3 [pid 6070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] ioctl(4, LOOP_CLR_FD [pid 6072] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 0 [pid 6073] <... ioctl resumed>) = 0 [pid 6072] ioctl(4, LOOP_CLR_FD [pid 6070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... ioctl resumed>) = 0 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = 0 [pid 6070] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... openat resumed>) = 3 [pid 6070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] ioctl(4, LOOP_SET_FD, 3 [pid 6070] <... futex resumed>) = 1 [pid 6066] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6075 attached [pid 6070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] set_robust_list(0x5555563db5e0, 24 [pid 6071] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... futex resumed>) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6071] close(4 [pid 6070] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6066] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6072] ioctl(4, LOOP_SET_FD, 3 [pid 6071] <... close resumed>) = 0 [pid 6070] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6074 attached [pid 6075] <... prctl resumed>) = 0 [pid 6073] close(4 [pid 6072] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] close(3 [pid 6070] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] setpgid(0, 0 [pid 6073] <... close resumed>) = 0 [pid 6072] close(4 [pid 6070] <... futex resumed>) = 1 [pid 6075] <... setpgid resumed>) = 0 [pid 6072] <... close resumed>) = 0 [pid 6070] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] close(3 [pid 6072] close(3 [pid 6071] <... close resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6075] <... openat resumed>) = 3 [pid 6074] set_robust_list(0x7fc4ee1839e0, 24 [pid 6073] <... close resumed>) = 0 [pid 6072] <... close resumed>) = 0 [pid 6071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] exit_group(0 [pid 6075] write(3, "1000", 4 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = ? [pid 6066] <... exit_group resumed>) = ? [pid 6065] <... futex resumed>) = 0 [pid 6075] <... write resumed>) = 4 [pid 6073] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 1 [pid 6071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] +++ exited with 0 +++ [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6065] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] close(3 [pid 6072] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6073] fspick(AT_FDCWD, ".", 0 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6066] +++ exited with 0 +++ [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6072] fspick(AT_FDCWD, ".", 0 [pid 6071] fspick(AT_FDCWD, ".", 0 [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6075] <... futex resumed>) = 0 [pid 6074] memfd_create("syzkaller", 0 [pid 6073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6073] <... futex resumed>) = 0 [pid 6072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... memfd_create resumed>) = 3 [pid 6071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6075] <... mmap resumed>) = 0x7fc4ee163000 [pid 6073] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6072] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6073] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6072] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6075] <... mprotect resumed>) = 0 [pid 6073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6075] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6073] <... futex resumed>) = 0 [pid 6072] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6071] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 6073] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6072] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6075] <... clone resumed>, parent_tid=[6076], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6076 [pid 6072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 6075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... openat resumed>) = 3 [pid 6072] <... futex resumed>) = 1 [pid 6071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = 0 [pid 5004] close(3 [pid 6075] <... futex resumed>) = 0 [pid 6073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] <... futex resumed>) = 1 [pid 6068] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6073] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6065] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6073] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... futex resumed>) = 0 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... openat resumed>) = 3 [pid 6071] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6069] <... futex resumed>) = 0 [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6077 [pid 6073] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6072] <... futex resumed>) = 1 [pid 6071] <... openat resumed>) = 3 [pid 6068] <... futex resumed>) = 0 [pid 6073] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6071] <... futex resumed>) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6073] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] exit_group(0 [pid 6068] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... write resumed>) = 262144 [pid 6073] <... futex resumed>) = ? [pid 6072] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... exit_group resumed>) = ? [pid 6065] <... futex resumed>) = 0 [pid 6073] +++ exited with 0 +++ [pid 6072] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6065] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6072] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] exit_group(0 [pid 6072] <... futex resumed>) = ? [pid 6068] <... exit_group resumed>) = ? [pid 6074] munmap(0x7fc4e5d63000, 262144 [pid 6072] +++ exited with 0 +++ [pid 6071] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6069] +++ exited with 0 +++ [pid 6068] +++ exited with 0 +++ [pid 6071] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6074] <... munmap resumed>) = 0 [pid 6071] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] exit_group(0 [pid 6074] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6071] <... futex resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6074] <... openat resumed>) = 4 [pid 6071] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5003] close(3 [pid 5002] close(3 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6078 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6079 [pid 5000] <... ioctl resumed>) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6077 attached [pid 6077] set_robust_list(0x5555563db5e0, 24 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6080 [pid 6077] <... set_robust_list resumed>) = 0 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6077] setpgid(0, 0) = 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6077] write(3, "1000", 4) = 4 [pid 6077] close(3) = 0 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6077] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6077] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6074] ioctl(4, LOOP_SET_FD, 3 [pid 6077] <... clone resumed>, parent_tid=[6081], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6081 [pid 6074] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6080 attached [pid 6080] set_robust_list(0x5555563db5e0, 24 [pid 6074] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 6079 attached ./strace-static-x86_64: Process 6076 attached [pid 6076] set_robust_list(0x7fc4ee1839e0, 24 [pid 6074] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6081 attached [pid 6079] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6081] set_robust_list(0x7fc4ee1839e0, 24 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6076] memfd_create("syzkaller", 0 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... memfd_create resumed>) = 3 [pid 6079] <... prctl resumed>) = 0 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] memfd_create("syzkaller", 0 [pid 6080] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6078 attached [pid 6081] <... memfd_create resumed>) = 3 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] setpgid(0, 0 [pid 6078] set_robust_list(0x5555563db5e0, 24 [pid 6076] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6074] ioctl(4, LOOP_SET_FD, 3 [pid 6080] <... prctl resumed>) = 0 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6080] setpgid(0, 0 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] <... setpgid resumed>) = 0 [pid 6078] <... prctl resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] setpgid(0, 0 [pid 6080] <... openat resumed>) = 3 [pid 6079] <... setpgid resumed>) = 0 [pid 6078] <... setpgid resumed>) = 0 [pid 6076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6074] close(4 [pid 6080] write(3, "1000", 4 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6074] <... close resumed>) = 0 [pid 6080] <... write resumed>) = 4 [pid 6079] <... openat resumed>) = 3 [pid 6078] <... openat resumed>) = 3 [pid 6074] close(3 [pid 6080] close(3 [pid 6078] write(3, "1000", 4 [pid 6080] <... close resumed>) = 0 [pid 6078] <... write resumed>) = 4 [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] close(3 [pid 6080] <... futex resumed>) = 0 [pid 6079] write(3, "1000", 4 [pid 6078] <... close resumed>) = 0 [pid 6074] <... close resumed>) = 0 [pid 6081] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] <... write resumed>) = 4 [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... mmap resumed>) = 0x7fc4ee163000 [pid 6078] <... futex resumed>) = 0 [pid 6080] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] <... mprotect resumed>) = 0 [pid 6079] close(3 [pid 6078] <... mmap resumed>) = 0x7fc4ee163000 [pid 6076] <... write resumed>) = 262144 [pid 6074] <... futex resumed>) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6080] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6079] <... close resumed>) = 0 [pid 6078] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6074] fspick(AT_FDCWD, ".", 0 [pid 6067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... mprotect resumed>) = 0 [pid 6074] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... futex resumed>) = 0 [pid 6080] <... clone resumed>, parent_tid=[6082], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6082 [pid 6079] <... futex resumed>) = 0 [pid 6078] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6080] <... futex resumed>) = 0 [pid 6078] <... clone resumed>, parent_tid=[6083], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6083 [pid 6076] munmap(0x7fc4e5d63000, 262144 [pid 6074] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6079] <... mmap resumed>) = 0x7fc4ee163000 [pid 6078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6074] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... mprotect resumed>) = 0 [pid 6074] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... openat resumed>) = 3 [pid 6067] <... futex resumed>) = 0 [pid 6079] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6082 attached [pid 6074] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6067] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6082] set_robust_list(0x7fc4ee1839e0, 24 [pid 6074] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6074] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] exit_group(0 [pid 6074] <... futex resumed>) = ? [pid 6067] <... exit_group resumed>) = ? [pid 6074] +++ exited with 0 +++ [pid 6082] <... set_robust_list resumed>) = 0 [pid 6082] memfd_create("syzkaller", 0) = 3 [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6067] +++ exited with 0 +++ [pid 6082] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6081] <... write resumed>) = 262144 [pid 6079] <... clone resumed>, parent_tid=[6084], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6084 [pid 6076] <... munmap resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6079] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6081] munmap(0x7fc4e5d63000, 262144 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6081] <... munmap resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6076] <... openat resumed>) = 4 [pid 6081] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6076] ioctl(4, LOOP_SET_FD, 3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6081] <... openat resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD) = 0 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 6076] ioctl(4, LOOP_CLR_FD [pid 5001] close(3 [pid 6076] <... ioctl resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6084 attached [pid 6082] <... write resumed>) = 262144 [pid 6081] ioctl(4, LOOP_CLR_FD [pid 6076] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6085 [pid 6081] <... ioctl resumed>) = 0 [pid 6084] set_robust_list(0x7fc4ee1839e0, 24 [pid 6076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] close(4) = 0 [pid 6082] munmap(0x7fc4e5d63000, 262144 [pid 6076] close(3 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6082] <... munmap resumed>) = 0 [pid 6076] <... close resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] memfd_create("syzkaller", 0 [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] ioctl(4, LOOP_CLR_FD [pid 6081] close(4 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6082] <... ioctl resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 6076] fspick(AT_FDCWD, ".", 0 [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6084] <... memfd_create resumed>) = 3 [pid 6081] close(3 [pid 6076] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6085 attached [pid 6085] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] <... close resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6076] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6081] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 6081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... futex resumed>) = 0 [pid 6082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] close(4 [pid 6081] fspick(AT_FDCWD, ".", 0 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... futex resumed>) = 0 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... close resumed>) = 0 [pid 6081] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6076] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] close(3 [pid 6081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6082] <... close resumed>) = 0 [pid 6081] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6076] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6083 attached [pid 6085] <... prctl resumed>) = 0 [pid 6082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... openat resumed>) = 3 [pid 6085] setpgid(0, 0 [pid 6083] set_robust_list(0x7fc4ee1839e0, 24 [pid 6082] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... setpgid resumed>) = 0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6080] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] memfd_create("syzkaller", 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... futex resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... openat resumed>) = 3 [pid 6083] <... memfd_create resumed>) = 3 [pid 6082] fspick(AT_FDCWD, ".", 0 [pid 6081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [pid 6085] write(3, "1000", 4 [pid 6083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6082] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6081] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6076] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6075] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... write resumed>) = 4 [pid 6082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6085] close(3 [pid 6082] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... close resumed>) = 0 [pid 6083] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6080] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... write resumed>) = 262144 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... openat resumed>) = 3 [pid 6080] <... futex resumed>) = 0 [pid 6076] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] exit_group(0 [pid 6085] <... futex resumed>) = 0 [pid 6082] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... futex resumed>) = ? [pid 6075] <... exit_group resumed>) = ? [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] munmap(0x7fc4e5d63000, 262144 [pid 6082] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6081] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6076] +++ exited with 0 +++ [pid 6075] +++ exited with 0 +++ [pid 6085] <... mmap resumed>) = 0x7fc4ee163000 [pid 6083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6085] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6082] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6085] <... mprotect resumed>) = 0 [pid 6082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6080] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6084] <... munmap resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6081] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6080] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6084] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6082] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6081] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 6085] <... clone resumed>, parent_tid=[6086], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6086 [pid 6082] <... openat resumed>) = 3 [pid 6081] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6084] <... openat resumed>) = 4 [pid 6085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] exit_group(0 [pid 4999] <... ioctl resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] ioctl(4, LOOP_SET_FD, 3 [pid 6082] <... futex resumed>) = 1 [pid 6081] <... futex resumed>) = ? [pid 6080] <... futex resumed>) = 0 [pid 6077] <... exit_group resumed>) = ? [pid 4999] close(3 [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6081] +++ exited with 0 +++ [pid 6080] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6082] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6080] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] +++ exited with 0 +++ [pid 6082] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6087 [pid 6082] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6082] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] exit_group(0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6082] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6082] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6088 ./strace-static-x86_64: Process 6086 attached [pid 6084] ioctl(4, LOOP_CLR_FD [pid 6086] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6084] <... ioctl resumed>) = 0 [pid 6083] <... write resumed>) = 262144 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6083] munmap(0x7fc4e5d63000, 262144 [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] <... munmap resumed>) = 0 [pid 6084] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6089 [pid 6083] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6084] close(4 [pid 6083] <... openat resumed>) = 4 [pid 6084] <... close resumed>) = 0 [pid 6086] memfd_create("syzkaller", 0 [pid 6084] close(3 [pid 6083] ioctl(4, LOOP_SET_FD, 3 [pid 6086] <... memfd_create resumed>) = 3 [pid 6086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6084] <... close resumed>) = 0 [pid 6083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6083] ioctl(4, LOOP_CLR_FD [pid 6079] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6087 attached [pid 6086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6084] fspick(AT_FDCWD, ".", 0 [pid 6083] <... ioctl resumed>) = 0 [pid 6079] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... futex resumed>) = 0 [pid 6084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] set_robust_list(0x5555563db5e0, 24 [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6088 attached [pid 6084] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6084] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] set_robust_list(0x5555563db5e0, 24 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6084] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6089 attached [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] set_robust_list(0x5555563db5e0, 24 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... prctl resumed>) = 0 [pid 6084] <... futex resumed>) = 1 [pid 6083] ioctl(4, LOOP_SET_FD, 3 [pid 6079] <... futex resumed>) = 0 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] <... prctl resumed>) = 0 [pid 6087] setpgid(0, 0 [pid 6086] <... write resumed>) = 262144 [pid 6084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6079] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] setpgid(0, 0 [pid 6087] <... setpgid resumed>) = 0 [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] close(4 [pid 6079] <... futex resumed>) = 0 [pid 6089] <... prctl resumed>) = 0 [pid 6088] <... setpgid resumed>) = 0 [pid 6086] munmap(0x7fc4e5d63000, 262144 [pid 6084] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6083] <... close resumed>) = 0 [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] setpgid(0, 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] <... openat resumed>) = 3 [pid 6086] <... munmap resumed>) = 0 [pid 6084] <... openat resumed>) = 3 [pid 6083] close(3 [pid 6089] <... setpgid resumed>) = 0 [pid 6088] <... openat resumed>) = 3 [pid 6086] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] write(3, "1000", 4 [pid 6087] write(3, "1000", 4 [pid 6086] <... openat resumed>) = 4 [pid 6084] <... futex resumed>) = 1 [pid 6083] <... close resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6089] <... openat resumed>) = 3 [pid 6088] <... write resumed>) = 4 [pid 6087] <... write resumed>) = 4 [pid 6086] ioctl(4, LOOP_SET_FD, 3 [pid 6084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] write(3, "1000", 4 [pid 6088] close(3 [pid 6087] close(3 [pid 6086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6089] <... write resumed>) = 4 [pid 6088] <... close resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 6086] ioctl(4, LOOP_CLR_FD [pid 6084] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6083] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] close(3 [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... ioctl resumed>) = 0 [pid 6084] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 6089] <... close resumed>) = 0 [pid 6088] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6084] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] fspick(AT_FDCWD, ".", 0 [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] <... futex resumed>) = 1 [pid 6083] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 0 [pid 6088] <... mmap resumed>) = 0x7fc4ee163000 [pid 6084] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6087] <... mmap resumed>) = 0x7fc4ee163000 [pid 6083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] exit_group(0 [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6088] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6087] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6084] <... futex resumed>) = ? [pid 6083] <... futex resumed>) = 1 [pid 6079] <... exit_group resumed>) = ? [pid 6078] <... futex resumed>) = 0 [pid 6089] <... mmap resumed>) = 0x7fc4ee163000 [pid 6088] <... mprotect resumed>) = 0 [pid 6086] ioctl(4, LOOP_SET_FD, 3 [pid 6084] +++ exited with 0 +++ [pid 6089] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6088] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6089] <... mprotect resumed>) = 0 [pid 6086] close(4 [pid 6089] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6088] <... clone resumed>, parent_tid=[6090], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6090 [pid 6086] <... close resumed>) = 0 [pid 6079] +++ exited with 0 +++ [pid 6083] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... mprotect resumed>) = 0 [pid 6086] close(3 [pid 6083] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6078] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6089] <... clone resumed>, parent_tid=[6091], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6091 [pid 6088] <... futex resumed>) = 0 [pid 6087] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6086] <... close resumed>) = 0 [pid 6083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6089] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] <... restart_syscall resumed>) = 0 [pid 6089] <... futex resumed>) = 0 [pid 6087] <... clone resumed>, parent_tid=[6092], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6092 [pid 6086] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6083] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6083] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6086] fspick(AT_FDCWD, ".", 0 [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 6086] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6083] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6086] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 5002] close(3 [pid 6086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6086] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6078] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6083] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6093 ./strace-static-x86_64: Process 6091 attached [pid 6086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6091] set_robust_list(0x7fc4ee1839e0, 24 [pid 6086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] exit_group(0 [pid 6091] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6090 attached [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = ? [pid 6078] <... exit_group resumed>) = ? [pid 6090] set_robust_list(0x7fc4ee1839e0, 24 [pid 6086] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6083] +++ exited with 0 +++ [pid 6090] <... set_robust_list resumed>) = 0 [pid 6086] <... openat resumed>) = 3 [pid 6090] memfd_create("syzkaller", 0 [pid 6086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] +++ exited with 0 +++ [pid 6091] memfd_create("syzkaller", 0 [pid 6090] <... memfd_create resumed>) = 3 [pid 6086] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6092 attached [pid 6091] <... memfd_create resumed>) = 3 [pid 6086] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6085] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6092] set_robust_list(0x7fc4ee1839e0, 24 [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6086] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... openat resumed>) = 3 [pid 6086] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6090] <... write resumed>) = 262144 [pid 6086] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6093 attached [pid 6086] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] exit_group(0 [pid 5003] close(3 [pid 6093] set_robust_list(0x5555563db5e0, 24 [pid 6092] memfd_create("syzkaller", 0 [pid 6086] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 5003] <... close resumed>) = 0 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] <... memfd_create resumed>) = 3 [pid 6091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6086] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6090] munmap(0x7fc4e5d63000, 262144 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6093] <... prctl resumed>) = 0 [pid 6092] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6091] <... write resumed>) = 262144 [pid 6090] <... munmap resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6094 [pid 6093] setpgid(0, 0 [pid 6090] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6093] <... setpgid resumed>) = 0 [pid 6090] <... openat resumed>) = 4 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... openat resumed>) = 3 [pid 6093] <... openat resumed>) = 3 [pid 6090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6093] write(3, "1000", 4 [pid 6092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6090] ioctl(4, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 6093] <... write resumed>) = 4 [pid 6090] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 6093] close(3 [pid 5001] <... close resumed>) = 0 [pid 6093] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... write resumed>) = 262144 [pid 6091] munmap(0x7fc4e5d63000, 262144 [pid 6093] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6095 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6091] <... munmap resumed>) = 0 [pid 6090] ioctl(4, LOOP_SET_FD, 3 [pid 6092] munmap(0x7fc4e5d63000, 262144 [pid 6093] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6091] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6093] <... mprotect resumed>) = 0 [pid 6090] close(4 [pid 6093] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6092] <... munmap resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6091] <... openat resumed>) = 4 [pid 6090] close(3 [pid 6093] <... clone resumed>, parent_tid=[6096], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6096 [pid 6092] <... openat resumed>) = 4 [pid 6091] ioctl(4, LOOP_SET_FD, 3 [pid 6090] <... close resumed>) = 0 [pid 6093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6092] ioctl(4, LOOP_SET_FD, 3 [pid 6093] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6088] <... futex resumed>) = 0 [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6090] fspick(AT_FDCWD, ".", 0 [pid 6088] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... futex resumed>) = 0 [pid 6090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... futex resumed>) = 0 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6088] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] ioctl(4, LOOP_CLR_FD [pid 6090] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... futex resumed>) = 0 [pid 6090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] ioctl(4, LOOP_CLR_FD [pid 6091] <... ioctl resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... ioctl resumed>) = 0 [pid 6090] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] <... futex resumed>) = 0 [pid 6090] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... openat resumed>) = 3 [pid 6090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6088] <... futex resumed>) = 0 [pid 6090] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] <... futex resumed>) = 0 [pid 6092] ioctl(4, LOOP_SET_FD, 3 [pid 6091] ioctl(4, LOOP_SET_FD, 3 [pid 6090] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6088] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6090] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6092] close(4 [pid 6091] close(4 [pid 6090] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... close resumed>) = 0 [pid 6091] <... close resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6088] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6095 attached [pid 6092] close(3 [pid 6091] close(3 [pid 6090] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] exit_group(0 [pid 6095] set_robust_list(0x5555563db5e0, 24 [pid 6090] <... futex resumed>) = ? [pid 6088] <... exit_group resumed>) = ? [pid 6095] <... set_robust_list resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] <... close resumed>) = 0 [pid 6090] +++ exited with 0 +++ [pid 6088] +++ exited with 0 +++ [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6095] <... prctl resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6095] setpgid(0, 0 [pid 6092] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6096 attached [pid 6095] <... setpgid resumed>) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6096] set_robust_list(0x7fc4ee1839e0, 24 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] fspick(AT_FDCWD, ".", 0 [pid 6091] fspick(AT_FDCWD, ".", 0 [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 6095] <... openat resumed>) = 3 [pid 6092] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6091] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] write(3, "1000", 4 [pid 6092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 6095] <... write resumed>) = 4 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 5004] close(3 [pid 6096] memfd_create("syzkaller", 0 [pid 6095] close(3 [pid 6092] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 6095] <... close resumed>) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6094 attached [pid 6096] <... memfd_create resumed>) = 3 [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6091] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6095] <... futex resumed>) = 0 [pid 6092] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6091] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6097 [pid 6094] set_robust_list(0x5555563db5e0, 24 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6095] <... mmap resumed>) = 0x7fc4ee163000 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6095] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6092] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... mprotect resumed>) = 0 [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6095] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6092] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6091] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... openat resumed>) = 3 [pid 6095] <... clone resumed>, parent_tid=[6098], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6098 [pid 6092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... openat resumed>) = 3 [pid 6095] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = 1 [pid 6091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6092] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6087] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6087] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... prctl resumed>) = 0 [pid 6092] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6091] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6089] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] setpgid(0, 0 [pid 6092] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6094] <... setpgid resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6091] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... futex resumed>) = 0 [pid 6092] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6087] exit_group(0 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] <... futex resumed>) = ? [pid 6091] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] exit_group(0 [pid 6087] <... exit_group resumed>) = ? [pid 6092] +++ exited with 0 +++ [pid 6089] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6098 attached [pid 6098] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6098] memfd_create("syzkaller", 0 [pid 6091] <... futex resumed>) = ? [pid 6087] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6098] <... memfd_create resumed>) = 3 [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6091] +++ exited with 0 +++ [pid 6089] +++ exited with 0 +++ [pid 6094] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] <... write resumed>) = 262144 [pid 6094] write(3, "1000", 4 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6099 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6100 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 6098] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 6099 attached [pid 6099] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] setpgid(0, 0 [pid 6098] <... munmap resumed>) = 0 [pid 6099] <... setpgid resumed>) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6099] <... openat resumed>) = 3 [pid 6098] ioctl(4, LOOP_CLR_FD) = 0 [pid 6099] write(3, "1000", 4) = 4 [pid 6099] close(3) = 0 [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6094] <... write resumed>) = 4 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6100 attached ./strace-static-x86_64: Process 6097 attached ) = 0x7fc4ee163000 [pid 6096] munmap(0x7fc4e5d63000, 262144 [pid 6094] close(3 [pid 6099] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6098] ioctl(4, LOOP_SET_FD, 3 [pid 6100] set_robust_list(0x5555563db5e0, 24 [pid 6099] <... mprotect resumed>) = 0 [pid 6098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6097] set_robust_list(0x5555563db5e0, 24 [pid 6099] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6098] close(4 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] <... munmap resumed>) = 0 [pid 6094] <... close resumed>) = 0 [pid 6099] <... clone resumed>, parent_tid=[6101], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6101 [pid 6098] close(3 [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... close resumed>) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6096] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6100] <... prctl resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... prctl resumed>) = 0 [pid 6096] <... openat resumed>) = 4 [pid 6094] <... futex resumed>) = 0 [pid 6100] setpgid(0, 0 [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6098] <... futex resumed>) = 1 [pid 6097] setpgid(0, 0 [pid 6096] ioctl(4, LOOP_SET_FD, 3 [pid 6095] <... futex resumed>) = 0 [pid 6094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6100] <... setpgid resumed>) = 0 [pid 6098] fspick(AT_FDCWD, ".", 0 [pid 6097] <... setpgid resumed>) = 0 [pid 6095] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] <... mmap resumed>) = 0x7fc4ee163000 [pid 6098] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... futex resumed>) = 0 [pid 6098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6096] ioctl(4, LOOP_CLR_FD [pid 6095] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6098] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... futex resumed>) = 0 [pid 6098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... ioctl resumed>) = 0 [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... mprotect resumed>) = 0 [pid 6100] <... openat resumed>) = 3 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... openat resumed>) = 3 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6095] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6100] write(3, "1000", 4 [pid 6098] <... openat resumed>) = 3 [pid 6097] write(3, "1000", 4 [pid 6095] <... futex resumed>) = 0 [pid 6100] <... write resumed>) = 4 [pid 6098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... write resumed>) = 4 [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... clone resumed>, parent_tid=[6102], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6102 [pid 6098] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] close(3 [pid 6097] close(3 [pid 6094] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6098] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6095] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6098] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6098] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] ioctl(4, LOOP_SET_FD, 3 [pid 6100] <... close resumed>) = 0 [pid 6097] <... close resumed>) = 0 [pid 6095] exit_group(0 [pid 6094] <... futex resumed>) = 0 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = ? [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6095] <... exit_group resumed>) = ? [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6100] <... futex resumed>) = 0 [pid 6098] +++ exited with 0 +++ [pid 6097] <... futex resumed>) = 0 [pid 6096] close(4 [pid 6095] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6096] <... close resumed>) = 0 ./strace-static-x86_64: Process 6102 attached [pid 6100] <... mmap resumed>) = 0x7fc4ee163000 [pid 6102] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6102] memfd_create("syzkaller", 0 [pid 6100] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6097] <... mmap resumed>) = 0x7fc4ee163000 [pid 6096] close(3 [pid 6102] <... memfd_create resumed>) = 3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... mprotect resumed>) = 0 [pid 6097] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6096] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6100] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6097] <... mprotect resumed>) = 0 [pid 6096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6097] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... ioctl resumed>) = 0 [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5001] close(3 [pid 6100] <... clone resumed>, parent_tid=[6103], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6103 [pid 6096] fspick(AT_FDCWD, ".", 0 [pid 6093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 6100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... clone resumed>, parent_tid=[6104], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6104 [pid 6096] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6100] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6097] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6105 ./strace-static-x86_64: Process 6101 attached [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] set_robust_list(0x7fc4ee1839e0, 24 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... set_robust_list resumed>) = 0 [pid 6096] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [pid 6101] memfd_create("syzkaller", 0 [pid 6096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... memfd_create resumed>) = 3 [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6104 attached ./strace-static-x86_64: Process 6103 attached [pid 6102] <... write resumed>) = 262144 [pid 6101] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6104] set_robust_list(0x7fc4ee1839e0, 24 [pid 6103] set_robust_list(0x7fc4ee1839e0, 24 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6104] memfd_create("syzkaller", 0 [pid 6103] memfd_create("syzkaller", 0 [pid 6102] munmap(0x7fc4e5d63000, 262144 [pid 6096] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... memfd_create resumed>) = 3 [pid 6103] <... memfd_create resumed>) = 3 [pid 6102] <... munmap resumed>) = 0 [pid 6096] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6105 attached [pid 6104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6102] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] set_robust_list(0x5555563db5e0, 24 [pid 6104] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6103] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6102] <... openat resumed>) = 4 [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6101] <... write resumed>) = 262144 [pid 6096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] munmap(0x7fc4e5d63000, 262144 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6105] <... prctl resumed>) = 0 [pid 6102] ioctl(4, LOOP_CLR_FD [pid 6105] setpgid(0, 0 [pid 6102] <... ioctl resumed>) = 0 [pid 6101] <... munmap resumed>) = 0 [pid 6096] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6093] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... setpgid resumed>) = 0 [pid 6104] <... write resumed>) = 262144 [pid 6101] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6096] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] munmap(0x7fc4e5d63000, 262144 [pid 6103] <... write resumed>) = 262144 [pid 6101] <... openat resumed>) = 4 [pid 6096] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... openat resumed>) = 3 [pid 6103] munmap(0x7fc4e5d63000, 262144 [pid 6101] ioctl(4, LOOP_SET_FD, 3 [pid 6096] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6105] write(3, "1000", 4 [pid 6104] <... munmap resumed>) = 0 [pid 6103] <... munmap resumed>) = 0 [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6096] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] exit_group(0 [pid 6105] <... write resumed>) = 4 [pid 6104] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6103] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] ioctl(4, LOOP_CLR_FD [pid 6096] <... futex resumed>) = ? [pid 6093] <... exit_group resumed>) = ? [pid 6105] close(3 [pid 6104] <... openat resumed>) = 4 [pid 6103] <... openat resumed>) = 4 [pid 6102] close(4 [pid 6096] +++ exited with 0 +++ [pid 6105] <... close resumed>) = 0 [pid 6104] ioctl(4, LOOP_SET_FD, 3 [pid 6103] ioctl(4, LOOP_SET_FD, 3 [pid 6102] <... close resumed>) = 0 [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6102] close(3 [pid 6105] <... futex resumed>) = 0 [pid 6104] ioctl(4, LOOP_CLR_FD [pid 6103] ioctl(4, LOOP_CLR_FD [pid 6102] <... close resumed>) = 0 [pid 6101] <... ioctl resumed>) = 0 [pid 6093] +++ exited with 0 +++ [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] <... ioctl resumed>) = 0 [pid 6103] <... ioctl resumed>) = 0 [pid 6102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6105] <... mmap resumed>) = 0x7fc4ee163000 [pid 6102] <... futex resumed>) = 1 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6105] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6102] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6105] <... mprotect resumed>) = 0 [pid 6105] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6094] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6102] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6105] <... clone resumed>, parent_tid=[6106], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6106 [pid 6104] ioctl(4, LOOP_SET_FD, 3 [pid 6103] ioctl(4, LOOP_SET_FD, 3 [pid 6102] fspick(AT_FDCWD, ".", 0 [pid 5002] <... openat resumed>) = 3 [pid 6105] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6102] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6101] ioctl(4, LOOP_SET_FD, 3 [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6105] <... futex resumed>) = 0 [pid 6104] close(4 [pid 6103] close(4 [pid 6102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6104] <... close resumed>) = 0 [pid 6103] <... close resumed>) = 0 [pid 6102] <... futex resumed>) = 0 [pid 6101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] close(3 [pid 6104] close(3 [pid 6103] close(3 [pid 6102] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] close(4 [pid 6094] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 6104] <... close resumed>) = 0 [pid 6103] <... close resumed>) = 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6106 attached [pid 6104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6101] <... close resumed>) = 0 [pid 6094] <... futex resumed>) = 0 [pid 6106] set_robust_list(0x7fc4ee1839e0, 24 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 1 [pid 6102] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6101] close(3 [pid 6100] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6107 [pid 6104] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6107 attached [pid 6107] set_robust_list(0x5555563db5e0, 24 [pid 6101] <... close resumed>) = 0 [pid 6100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... set_robust_list resumed>) = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 6101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 1 [pid 6094] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] fspick(AT_FDCWD, ".", 0 [pid 6103] fspick(AT_FDCWD, ".", 0 [pid 6102] <... futex resumed>) = 0 [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] <... futex resumed>) = 1 [pid 6104] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6103] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6102] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] memfd_create("syzkaller", 0 [pid 6104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... openat resumed>) = 3 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6106] <... memfd_create resumed>) = 3 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 1 [pid 6102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] fspick(AT_FDCWD, ".", 0 [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... futex resumed>) = 0 [pid 6106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6104] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... futex resumed>) = 1 [pid 6101] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6104] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6103] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6103] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6102] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = 0 [pid 6106] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6094] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 1 [pid 6102] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6102] <... futex resumed>) = 0 [pid 6101] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] exit_group(0 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6094] <... exit_group resumed>) = ? [pid 6107] <... prctl resumed>) = 0 [pid 6104] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6103] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6102] +++ exited with 0 +++ [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] setpgid(0, 0 [pid 6103] <... openat resumed>) = 3 [pid 6099] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... setpgid resumed>) = 0 [pid 6103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] <... openat resumed>) = 3 [pid 6103] <... futex resumed>) = 0 [pid 6101] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] +++ exited with 0 +++ [pid 6107] <... openat resumed>) = 3 [pid 6104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... openat resumed>) = 3 [pid 6100] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6107] write(3, "1000", 4 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6107] <... write resumed>) = 4 [pid 6104] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6101] <... futex resumed>) = 1 [pid 6100] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] close(3 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6101] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = 0 [pid 6107] <... close resumed>) = 0 [pid 6104] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6103] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6097] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6103] <... futex resumed>) = 1 [pid 6101] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... futex resumed>) = 0 [pid 6104] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6101] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6100] exit_group(0 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = ? [pid 6101] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... exit_group resumed>) = ? [pid 6097] <... futex resumed>) = 0 [pid 6107] <... mmap resumed>) = 0x7fc4ee163000 [pid 6106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6104] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] +++ exited with 0 +++ [pid 6101] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6107] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6099] exit_group(0 [pid 5003] <... openat resumed>) = 3 [pid 6107] <... mprotect resumed>) = 0 [pid 6100] +++ exited with 0 +++ [pid 6099] <... exit_group resumed>) = ? [pid 6097] exit_group(0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6107] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6104] <... futex resumed>) = ? [pid 6101] +++ exited with 0 +++ [pid 6099] +++ exited with 0 +++ [pid 6097] <... exit_group resumed>) = ? [pid 5003] <... ioctl resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6104] +++ exited with 0 +++ [pid 5003] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6107] <... clone resumed>, parent_tid=[6108], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6108 [pid 5003] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6107] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] <... futex resumed>) = 0 [pid 6097] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6109 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6106] <... write resumed>) = 262144 [pid 4999] <... openat resumed>) = 3 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] <... restart_syscall resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... ioctl resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 5000] close(3 [pid 4999] <... close resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6110 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6111 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6112 ./strace-static-x86_64: Process 6111 attached [pid 6111] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6111] setpgid(0, 0) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6108 attached [pid 6108] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6108] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6112 attached ./strace-static-x86_64: Process 6110 attached ./strace-static-x86_64: Process 6109 attached [pid 6106] munmap(0x7fc4e5d63000, 262144 [pid 6112] set_robust_list(0x5555563db5e0, 24 [pid 6110] set_robust_list(0x5555563db5e0, 24 [pid 6109] set_robust_list(0x5555563db5e0, 24 [pid 6111] <... openat resumed>) = 3 [pid 6108] <... memfd_create resumed>) = 3 [pid 6111] write(3, "1000", 4 [pid 6106] <... munmap resumed>) = 0 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6111] <... write resumed>) = 4 [pid 6111] close(3 [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6111] <... close resumed>) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] <... prctl resumed>) = 0 [pid 6109] <... prctl resumed>) = 0 [pid 6106] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6112] <... prctl resumed>) = 0 [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] setpgid(0, 0 [pid 6109] setpgid(0, 0 [pid 6108] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6106] <... openat resumed>) = 4 [pid 6112] setpgid(0, 0 [pid 6111] <... futex resumed>) = 0 [pid 6110] <... setpgid resumed>) = 0 [pid 6109] <... setpgid resumed>) = 0 [pid 6108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6106] ioctl(4, LOOP_SET_FD, 3 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6112] <... setpgid resumed>) = 0 [pid 6111] <... mmap resumed>) = 0x7fc4ee163000 [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] <... mprotect resumed>) = 0 [pid 6110] <... openat resumed>) = 3 [pid 6111] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6110] write(3, "1000", 4 [pid 6109] <... openat resumed>) = 3 [pid 6106] ioctl(4, LOOP_CLR_FD [pid 6112] <... openat resumed>) = 3 [pid 6110] <... write resumed>) = 4 [pid 6106] <... ioctl resumed>) = 0 [pid 6112] write(3, "1000", 4 [pid 6110] close(3 [pid 6109] write(3, "1000", 4 [pid 6112] <... write resumed>) = 4 [pid 6110] <... close resumed>) = 0 [pid 6109] <... write resumed>) = 4 [pid 6112] close(3 [pid 6111] <... clone resumed>, parent_tid=[6113], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6113 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] close(3 [pid 6108] <... write resumed>) = 262144 [pid 6112] <... close resumed>) = 0 [pid 6111] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] <... close resumed>) = 0 [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 0 [pid 6110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] ioctl(4, LOOP_SET_FD, 3 [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 0 [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6108] munmap(0x7fc4e5d63000, 262144 [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6110] <... mmap resumed>) = 0x7fc4ee163000 [pid 6109] <... futex resumed>) = 0 [pid 6108] <... munmap resumed>) = 0 [pid 6106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6112] <... mmap resumed>) = 0x7fc4ee163000 [pid 6110] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] close(4 [pid 6110] <... mprotect resumed>) = 0 [pid 6108] <... openat resumed>) = 4 [pid 6112] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6109] <... mmap resumed>) = 0x7fc4ee163000 [pid 6108] ioctl(4, LOOP_SET_FD, 3 [pid 6106] <... close resumed>) = 0 [pid 6110] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6109] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6112] <... mprotect resumed>) = 0 [pid 6106] close(3 [pid 6108] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 6114 attached [pid 6114] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6113 attached [pid 6113] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6106] <... close resumed>) = 0 [pid 6113] memfd_create("syzkaller", 0 [pid 6109] <... mprotect resumed>) = 0 [pid 6113] <... memfd_create resumed>) = 3 [pid 6112] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6110] <... clone resumed>, parent_tid=[6114], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6114 [pid 6109] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... clone resumed>, parent_tid=[6115], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6115 [pid 6110] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 1 [pid 6109] <... clone resumed>, parent_tid=[6116], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6116 [pid 6108] ioctl(4, LOOP_SET_FD, 3 [pid 6106] fspick(AT_FDCWD, ".", 0 [pid 6105] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6109] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6106] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... futex resumed>) = 0 [pid 6108] close(4 [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 6106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] close(3 [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6108] <... close resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6108] fspick(AT_FDCWD, ".", 0 [pid 6107] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] memfd_create("syzkaller", 0 [pid 6108] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... memfd_create resumed>) = 3 [pid 6108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] <... futex resumed>) = 0 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6108] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6116 attached [pid 6108] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] set_robust_list(0x7fc4ee1839e0, 24 [pid 6108] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6106] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6114] <... write resumed>) = 262144 [pid 6108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = 0 [pid 6116] memfd_create("syzkaller", 0 [pid 6113] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6108] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6116] <... memfd_create resumed>) = 3 [pid 6108] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6114] munmap(0x7fc4e5d63000, 262144 [pid 6113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6116] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6114] <... munmap resumed>) = 0 [pid 6108] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... openat resumed>) = 3 [pid 6114] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6108] <... openat resumed>) = 3 [pid 6106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6114] <... openat resumed>) = 4 [pid 6113] <... write resumed>) = 262144 [pid 6108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6114] ioctl(4, LOOP_SET_FD, 3 [pid 6108] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 6114] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] ioctl(4, LOOP_CLR_FD [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = 0 [pid 6114] <... ioctl resumed>) = 0 [pid 6113] munmap(0x7fc4e5d63000, 262144 [pid 6108] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6107] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6105] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6115 attached [pid 6116] <... write resumed>) = 262144 [pid 6113] <... munmap resumed>) = 0 [pid 6108] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6106] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6115] set_robust_list(0x7fc4ee1839e0, 24 [pid 6113] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6108] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... set_robust_list resumed>) = 0 [pid 6113] <... openat resumed>) = 4 [pid 6108] <... futex resumed>) = 1 [pid 6116] munmap(0x7fc4e5d63000, 262144 [pid 6107] <... futex resumed>) = 0 [pid 6106] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] memfd_create("syzkaller", 0 [pid 6113] ioctl(4, LOOP_SET_FD, 3 [pid 6108] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6107] exit_group(0 [pid 6106] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6115] <... memfd_create resumed>) = 3 [pid 6113] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] <... futex resumed>) = ? [pid 6107] <... exit_group resumed>) = ? [pid 6106] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] exit_group(0 [pid 6116] <... munmap resumed>) = 0 [pid 6115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6114] ioctl(4, LOOP_SET_FD, 3 [pid 6113] ioctl(4, LOOP_CLR_FD [pid 6108] +++ exited with 0 +++ [pid 6107] +++ exited with 0 +++ [pid 6106] <... futex resumed>) = ? [pid 6105] <... exit_group resumed>) = ? [pid 6116] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6115] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6114] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6113] <... ioctl resumed>) = 0 [pid 6106] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6116] <... openat resumed>) = 4 [pid 6115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6114] close(4 [pid 6105] +++ exited with 0 +++ [pid 6116] ioctl(4, LOOP_SET_FD, 3 [pid 6114] <... close resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6116] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6115] <... write resumed>) = 262144 [pid 6114] close(3 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6116] ioctl(4, LOOP_CLR_FD [pid 6115] munmap(0x7fc4e5d63000, 262144 [pid 6114] <... close resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6116] <... ioctl resumed>) = 0 [pid 6115] <... munmap resumed>) = 0 [pid 6114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] ioctl(4, LOOP_SET_FD, 3 [pid 6115] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6114] <... futex resumed>) = 1 [pid 6113] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6110] <... futex resumed>) = 0 [pid 6115] <... openat resumed>) = 4 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] close(4 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6110] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6115] ioctl(4, LOOP_SET_FD, 3 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 6115] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6114] fspick(AT_FDCWD, ".", 0 [pid 6113] close(3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6115] ioctl(4, LOOP_CLR_FD [pid 6114] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6113] <... close resumed>) = 0 [pid 6110] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6116] ioctl(4, LOOP_SET_FD, 3 [pid 6115] <... ioctl resumed>) = 0 [pid 6114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5001] close(3 [pid 6116] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6111] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6116] close(4 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] ioctl(4, LOOP_SET_FD, 3 [pid 6113] fspick(AT_FDCWD, ".", 0 [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6117 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6118 [pid 6116] <... close resumed>) = 0 [pid 6115] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6113] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6110] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] close(3 [pid 6115] close(4 [pid 6114] <... futex resumed>) = 0 [pid 6113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 1 [pid 6115] <... close resumed>) = 0 [pid 6114] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6113] <... futex resumed>) = 1 [pid 6111] <... futex resumed>) = 0 [pid 6115] close(3 [pid 6114] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6113] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... close resumed>) = 0 [pid 6115] <... close resumed>) = 0 [pid 6114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 0 [pid 6113] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 1 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6112] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6116] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6113] <... futex resumed>) = 1 [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 6116] fspick(AT_FDCWD, ".", 0 [pid 6115] fspick(AT_FDCWD, ".", 0 [pid 6114] <... openat resumed>) = 3 [pid 6113] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6118 attached [pid 6116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 1 [pid 6113] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... futex resumed>) = 0 [pid 6118] set_robust_list(0x5555563db5e0, 24 [pid 6116] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 1 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... openat resumed>) = 3 [pid 6112] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6116] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6109] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6113] <... futex resumed>) = 1 [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6110] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 6118] <... prctl resumed>) = 0 [pid 6116] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6115] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6114] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6113] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] setpgid(0, 0 [pid 6116] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6114] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... futex resumed>) = 0 [pid 6118] <... setpgid resumed>) = 0 [pid 6116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... futex resumed>) = 1 [pid 6113] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6111] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... futex resumed>) = 0 [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 1 [pid 6114] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6112] <... futex resumed>) = 0 [pid 6110] exit_group(0 [pid 6109] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6118] <... openat resumed>) = 3 [pid 6116] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = ? [pid 6113] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... exit_group resumed>) = ? [pid 6109] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] write(3, "1000", 4 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6114] +++ exited with 0 +++ [pid 6113] <... futex resumed>) = 1 [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6118] <... write resumed>) = 4 [pid 6115] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6113] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] exit_group(0 [pid 6118] close(3 [pid 6116] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6115] <... openat resumed>) = 3 [pid 6113] <... futex resumed>) = ? [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... exit_group resumed>) = ? [pid 6110] +++ exited with 0 +++ [pid 6109] <... futex resumed>) = 0 [pid 6118] <... close resumed>) = 0 [pid 6117] set_robust_list(0x5555563db5e0, 24 [pid 6116] <... openat resumed>) = 3 [pid 6115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] +++ exited with 0 +++ [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] +++ exited with 0 +++ [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6112] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6118] <... futex resumed>) = 0 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] <... futex resumed>) = 0 [pid 6115] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6112] <... futex resumed>) = 0 [pid 6109] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6117] <... prctl resumed>) = 0 [pid 6116] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6115] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6112] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6118] <... mmap resumed>) = 0x7fc4ee163000 [pid 6117] setpgid(0, 0 [pid 6116] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6115] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6117] <... setpgid resumed>) = 0 [pid 6116] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6112] exit_group(0 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... mprotect resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6115] read(0, ) = ? [pid 6118] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] +++ exited with 0 +++ [pid 6112] <... exit_group resumed>) = ? [pid 6109] exit_group(0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6118] <... clone resumed>, parent_tid=[6119], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6119 [pid 6118] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6119 attached [pid 6119] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6112] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] <... exit_group resumed>) = ? [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... openat resumed>) = 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6116] <... futex resumed>) = ? [pid 6119] memfd_create("syzkaller", 0 [pid 4999] <... openat resumed>) = 3 [pid 6119] <... memfd_create resumed>) = 3 [pid 6119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6116] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6117] <... openat resumed>) = 3 [pid 5004] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6117] write(3, "1000", 4 [pid 5004] <... ioctl resumed>) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 5000] close(3 [pid 4999] close(3 [pid 6117] <... write resumed>) = 4 [pid 5004] <... close resumed>) = 0 [pid 6117] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6120 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6121 [pid 6117] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6123 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6122 [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6117] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6117] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6117] <... clone resumed>, parent_tid=[6124], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6124 [pid 6117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6120 attached ) = 0 [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6121 attached [pid 6120] set_robust_list(0x5555563db5e0, 24 [pid 6121] set_robust_list(0x5555563db5e0, 24 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] <... write resumed>) = 262144 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6122 attached [pid 6122] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] <... prctl resumed>) = 0 [pid 6122] <... prctl resumed>) = 0 [pid 6122] setpgid(0, 0) = 0 [pid 6121] <... prctl resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 6121] setpgid(0, 0 [pid 6120] <... setpgid resumed>) = 0 [pid 6121] <... setpgid resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] munmap(0x7fc4e5d63000, 262144 [pid 6120] <... openat resumed>) = 3 [pid 6121] <... openat resumed>) = 3 [pid 6120] write(3, "1000", 4 [pid 6119] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6122] <... openat resumed>) = 3 [pid 6121] write(3, "1000", 4 [pid 6120] <... write resumed>) = 4 [pid 6121] <... write resumed>) = 4 [pid 6120] close(3 [pid 6122] write(3, "1000", 4 [pid 6121] close(3 [pid 6120] <... close resumed>) = 0 [pid 6122] <... write resumed>) = 4 [pid 6122] close(3) = 0 [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] set_robust_list(0x7fc4ee1839e0, 24 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... close resumed>) = 0 [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6123 attached [pid 6124] <... set_robust_list resumed>) = 0 [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... futex resumed>) = 0 [pid 6119] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6124] memfd_create("syzkaller", 0 [pid 6123] set_robust_list(0x5555563db5e0, 24 [pid 6122] <... mmap resumed>) = 0x7fc4ee163000 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] <... openat resumed>) = 4 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6121] <... mmap resumed>) = 0x7fc4ee163000 [pid 6119] ioctl(4, LOOP_SET_FD, 3 [pid 6124] <... memfd_create resumed>) = 3 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... mprotect resumed>) = 0 [pid 6121] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... mmap resumed>) = 0x7fc4ee163000 [pid 6119] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6123] <... prctl resumed>) = 0 [pid 6122] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6121] <... mprotect resumed>) = 0 [pid 6120] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6119] ioctl(4, LOOP_CLR_FD [pid 6123] setpgid(0, 0 [pid 6120] <... mprotect resumed>) = 0 [pid 6119] <... ioctl resumed>) = 0 [pid 6121] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6123] <... setpgid resumed>) = 0 [pid 6122] <... clone resumed>, parent_tid=[6125], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6125 [pid 6120] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6123] <... openat resumed>) = 3 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... clone resumed>, parent_tid=[6126], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6126 [pid 6120] <... clone resumed>, parent_tid=[6127], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6127 [pid 6124] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6123] write(3, "1000", 4 [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6121] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... write resumed>) = 4 [pid 6121] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6123] close(3 [pid 6119] ioctl(4, LOOP_SET_FD, 3 [pid 6123] <... close resumed>) = 0 [pid 6119] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] close(4 [pid 6123] <... futex resumed>) = 0 [pid 6119] <... close resumed>) = 0 [pid 6123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] close(3 [pid 6124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6123] <... mmap resumed>) = 0x7fc4ee163000 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6119] <... close resumed>) = 0 [pid 6123] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... mprotect resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6123] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6119] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... write resumed>) = 262144 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 6123] <... clone resumed>, parent_tid=[6128], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6128 [pid 6119] fspick(AT_FDCWD, ".", 0 [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6123] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6123] <... futex resumed>) = 0 [pid 6119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6119] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 6119] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6125 attached [pid 6119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] set_robust_list(0x7fc4ee1839e0, 24 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6124] munmap(0x7fc4e5d63000, 262144 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6119] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] memfd_create("syzkaller", 0 [pid 6124] <... munmap resumed>) = 0 [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 6125] <... memfd_create resumed>) = 3 [pid 6119] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6124] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6119] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6127 attached ./strace-static-x86_64: Process 6126 attached [pid 6125] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6124] <... openat resumed>) = 4 [pid 6119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] set_robust_list(0x7fc4ee1839e0, 24 [pid 6126] set_robust_list(0x7fc4ee1839e0, 24 [pid 6125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6124] ioctl(4, LOOP_SET_FD, 3 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6124] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6119] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] memfd_create("syzkaller", 0 [pid 6126] memfd_create("syzkaller", 0 [pid 6125] <... write resumed>) = 262144 [pid 6124] ioctl(4, LOOP_CLR_FD [pid 6119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 6124] <... ioctl resumed>) = 0 [pid 6119] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6118] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... memfd_create resumed>) = 3 [pid 6119] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6128 attached [pid 6119] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] set_robust_list(0x7fc4ee1839e0, 24 [pid 6119] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6125] munmap(0x7fc4e5d63000, 262144 [pid 6119] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] exit_group(0 [pid 6128] memfd_create("syzkaller", 0 [pid 6127] <... memfd_create resumed>) = 3 [pid 6126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6125] <... munmap resumed>) = 0 [pid 6119] <... futex resumed>) = ? [pid 6118] <... exit_group resumed>) = ? [pid 6128] <... memfd_create resumed>) = 3 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6126] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6119] +++ exited with 0 +++ [pid 6118] +++ exited with 0 +++ [pid 6128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6125] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6124] ioctl(4, LOOP_SET_FD, 3 [pid 6128] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6127] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6125] <... openat resumed>) = 4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6125] ioctl(4, LOOP_SET_FD, 3 [pid 6124] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6125] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5001] <... openat resumed>) = 3 [pid 6128] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6125] ioctl(4, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6125] <... ioctl resumed>) = 0 [pid 6124] close(4 [pid 5001] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 6124] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6128] <... write resumed>) = 262144 [pid 6124] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6125] ioctl(4, LOOP_SET_FD, 3 [pid 6124] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6129 [pid 6128] munmap(0x7fc4e5d63000, 262144 [pid 6125] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6128] <... munmap resumed>) = 0 [pid 6125] close(4 [pid 6124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... close resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6128] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6125] close(3 [pid 6124] fspick(AT_FDCWD, ".", 0 [pid 6117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... openat resumed>) = 4 [pid 6127] <... write resumed>) = 262144 [pid 6126] <... write resumed>) = 262144 [pid 6125] <... close resumed>) = 0 [pid 6124] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... futex resumed>) = 0 [pid 6128] ioctl(4, LOOP_SET_FD, 3 [pid 6127] munmap(0x7fc4e5d63000, 262144 [pid 6126] munmap(0x7fc4e5d63000, 262144 [pid 6125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] ioctl(4, LOOP_CLR_FD [pid 6125] fspick(AT_FDCWD, ".", 0 [pid 6124] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6122] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... ioctl resumed>) = 0 [pid 6125] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 6125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... munmap resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... munmap resumed>) = 0 [pid 6126] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6125] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6126] <... openat resumed>) = 4 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] <... futex resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6129 attached [pid 6127] <... openat resumed>) = 4 [pid 6126] ioctl(4, LOOP_SET_FD, 3 [pid 6125] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6124] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] <... futex resumed>) = 0 [pid 6129] set_robust_list(0x5555563db5e0, 24 [pid 6128] ioctl(4, LOOP_SET_FD, 3 [pid 6127] ioctl(4, LOOP_SET_FD, 3 [pid 6126] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6126] ioctl(4, LOOP_CLR_FD [pid 6125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... openat resumed>) = 3 [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] close(4 [pid 6127] ioctl(4, LOOP_CLR_FD [pid 6126] <... ioctl resumed>) = 0 [pid 6125] <... futex resumed>) = 1 [pid 6124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... close resumed>) = 0 [pid 6127] <... ioctl resumed>) = 0 [pid 6125] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... futex resumed>) = 0 [pid 6122] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] setpgid(0, 0 [pid 6128] close(3 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6122] <... futex resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 6129] <... setpgid resumed>) = 0 [pid 6128] <... close resumed>) = 0 [pid 6125] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6124] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] ioctl(4, LOOP_SET_FD, 3 [pid 6125] <... openat resumed>) = 3 [pid 6124] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... openat resumed>) = 3 [pid 6128] <... futex resumed>) = 1 [pid 6126] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6117] exit_group(0 [pid 6129] write(3, "1000", 4 [pid 6128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] ioctl(4, LOOP_SET_FD, 3 [pid 6126] close(4 [pid 6125] <... futex resumed>) = 1 [pid 6123] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 6129] <... write resumed>) = 4 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6125] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] +++ exited with 0 +++ [pid 6123] <... futex resumed>) = 0 [pid 6122] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] close(3 [pid 6128] fspick(AT_FDCWD, ".", 0 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 0 [pid 6129] <... close resumed>) = 0 [pid 6128] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6125] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6122] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6117] +++ exited with 0 +++ [pid 6127] close(4 [pid 6126] <... close resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6127] <... close resumed>) = 0 [pid 6126] close(3 [pid 6125] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] close(3 [pid 6125] <... futex resumed>) = 1 [pid 6123] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6129] <... mmap resumed>) = 0x7fc4ee163000 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] <... close resumed>) = 0 [pid 6125] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... futex resumed>) = 0 [pid 6122] exit_group(0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6129] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6128] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6125] <... futex resumed>) = ? [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... exit_group resumed>) = ? [pid 6129] <... mprotect resumed>) = 0 [pid 6128] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6127] <... close resumed>) = 0 [pid 6126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] +++ exited with 0 +++ [pid 6122] +++ exited with 0 +++ [pid 6129] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 1 [pid 6126] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... futex resumed>) = 0 [pid 6121] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6129] <... clone resumed>, parent_tid=[6130], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6130 [pid 6128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6120] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] fspick(AT_FDCWD, ".", 0 [pid 6123] <... futex resumed>) = 0 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6128] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6127] fspick(AT_FDCWD, ".", 0 [pid 6126] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6128] <... openat resumed>) = 3 [pid 6127] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 6128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6128] <... futex resumed>) = 1 [pid 6127] <... futex resumed>) = 1 [pid 6126] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] <... futex resumed>) = 0 [pid 6121] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6123] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6120] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6131 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6123] <... futex resumed>) = 0 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6128] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6127] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6126] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6123] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6127] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 6128] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6123] <... futex resumed>) = 0 [pid 6128] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] exit_group(0 [pid 6128] <... futex resumed>) = ? [pid 6127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 1 [pid 6123] <... exit_group resumed>) = ? [pid 6121] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6128] +++ exited with 0 +++ [pid 6127] <... futex resumed>) = 1 [pid 6126] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6123] +++ exited with 0 +++ [pid 6121] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6127] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6120] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] close(3./strace-static-x86_64: Process 6130 attached [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6130] set_robust_list(0x7fc4ee1839e0, 24 [pid 6127] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6126] <... openat resumed>) = 3 [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6130] memfd_create("syzkaller", 0 [pid 6127] <... openat resumed>) = 3 [pid 6126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] <... memfd_create resumed>) = 3 [pid 6127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5003] <... ioctl resumed>) = 0 [pid 6130] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6127] <... futex resumed>) = 1 [pid 6126] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6121] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 5003] close(3 [pid 6130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6127] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6121] <... futex resumed>) = 0 [pid 6120] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6132 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6127] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6126] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6120] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6126] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] exit_group(0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6133 ./strace-static-x86_64: Process 6131 attached [pid 6130] <... write resumed>) = 262144 [pid 6127] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = ? [pid 6121] <... exit_group resumed>) = ? [pid 6127] <... futex resumed>) = 1 [pid 6126] +++ exited with 0 +++ [pid 6130] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 6132 attached ) = 0 [pid 6132] set_robust_list(0x5555563db5e0, 24 [pid 6121] +++ exited with 0 +++ [pid 6120] <... futex resumed>) = 0 [pid 6127] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] <... set_robust_list resumed>) = 0 [pid 6120] exit_group(0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6131] set_robust_list(0x5555563db5e0, 24 [pid 6130] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6127] <... futex resumed>) = ? [pid 6120] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6132] <... prctl resumed>) = 0 [pid 6130] <... openat resumed>) = 4 [pid 6127] +++ exited with 0 +++ [pid 6132] setpgid(0, 0 [pid 6130] ioctl(4, LOOP_SET_FD, 3 [pid 6132] <... setpgid resumed>) = 0 [pid 6130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] ioctl(4, LOOP_CLR_FD [pid 6132] <... openat resumed>) = 3 [pid 6130] <... ioctl resumed>) = 0 [pid 6120] +++ exited with 0 +++ [pid 6132] write(3, "1000", 4) = 4 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6132] close(3 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6132] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6132] <... mmap resumed>) = 0x7fc4ee163000 [pid 6131] <... set_robust_list resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6133 attached [pid 6132] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... restart_syscall resumed>) = 0 [pid 5000] close(3 [pid 6133] set_robust_list(0x5555563db5e0, 24 [pid 6132] <... mprotect resumed>) = 0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... close resumed>) = 0 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6132] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6131] <... prctl resumed>) = 0 [pid 6130] ioctl(4, LOOP_SET_FD, 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6133] <... prctl resumed>) = 0 [pid 6132] <... clone resumed>, parent_tid=[6134], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6134 [pid 6130] close(4 [pid 5004] <... openat resumed>) = 3 [pid 6133] setpgid(0, 0 [pid 6132] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... close resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6133] <... setpgid resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6130] close(3 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6135 [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6131] setpgid(0, 0 [pid 6130] <... close resumed>) = 0 [pid 5004] close(3 [pid 6133] <... openat resumed>) = 3 [pid 6131] <... setpgid resumed>) = 0 [pid 6130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 6133] write(3, "1000", 4 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6133] <... write resumed>) = 4 [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] close(3 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6136 [pid 6133] <... close resumed>) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6130] fspick(AT_FDCWD, ".", 0 [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] write(3, "1000", 4 [pid 6130] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6135 attached [pid 6133] <... futex resumed>) = 0 [pid 6131] <... write resumed>) = 4 [pid 6130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] set_robust_list(0x5555563db5e0, 24 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] close(3 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6135] <... set_robust_list resumed>) = 0 [pid 6133] <... mmap resumed>) = 0x7fc4ee163000 [pid 6131] <... close resumed>) = 0 [pid 6130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6135] <... prctl resumed>) = 0 [pid 6133] <... mprotect resumed>) = 0 [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] setpgid(0, 0 [pid 6133] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6131] <... futex resumed>) = 0 [pid 6130] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... setpgid resumed>) = 0 [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] <... clone resumed>, parent_tid=[6137], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6137 [pid 6131] <... mmap resumed>) = 0x7fc4ee163000 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6134 attached [pid 6135] <... openat resumed>) = 3 [pid 6133] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] write(3, "1000", 4 [pid 6133] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6135] <... write resumed>) = 4 [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6131] <... mprotect resumed>) = 0 [pid 6130] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6137 attached ./strace-static-x86_64: Process 6136 attached [pid 6135] close(3 [pid 6134] set_robust_list(0x7fc4ee1839e0, 24 [pid 6131] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6130] <... openat resumed>) = 3 [pid 6135] <... close resumed>) = 0 [pid 6130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6136] set_robust_list(0x5555563db5e0, 24 [pid 6135] <... futex resumed>) = 0 [pid 6130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6131] <... clone resumed>, parent_tid=[6138], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6138 [pid 6130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] <... futex resumed>) = 0 [pid 6137] set_robust_list(0x7fc4ee1839e0, 24 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] <... mmap resumed>) = 0x7fc4ee163000 [pid 6134] memfd_create("syzkaller", 0 [pid 6130] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6129] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6135] <... mprotect resumed>) = 0 [pid 6134] <... memfd_create resumed>) = 3 [pid 6131] <... futex resumed>) = 0 [pid 6130] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6134] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6130] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] exit_group(0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] <... set_robust_list resumed>) = 0 [pid 6135] <... clone resumed>, parent_tid=[6139], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6139 [pid 6130] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6138 attached [pid 6135] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 6134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6138] set_robust_list(0x7fc4ee1839e0, 24 [pid 6135] <... futex resumed>) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6138] memfd_create("syzkaller", 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6138] <... memfd_create resumed>) = 3 [pid 6138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... openat resumed>) = 3 [pid 6138] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6136] <... prctl resumed>) = 0 [pid 6134] <... write resumed>) = 262144 [pid 5001] <... ioctl resumed>) = 0 [pid 6137] memfd_create("syzkaller", 0 [pid 5001] close(3 [pid 6138] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6137] <... memfd_create resumed>) = 3 [pid 6136] setpgid(0, 0 [pid 6134] munmap(0x7fc4e5d63000, 262144 [pid 5001] <... close resumed>) = 0 [pid 6136] <... setpgid resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] <... write resumed>) = 262144 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] <... munmap resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6140 [pid 6136] <... openat resumed>) = 3 [pid 6137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6136] write(3, "1000", 4 [pid 6138] munmap(0x7fc4e5d63000, 262144 [pid 6136] <... write resumed>) = 4 [pid 6137] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6136] close(3 [pid 6138] <... munmap resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 6138] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6136] <... futex resumed>) = 0 [pid 6134] <... openat resumed>) = 4 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] ioctl(4, LOOP_SET_FD, 3 [pid 6138] <... openat resumed>) = 4 [pid 6136] <... mmap resumed>) = 0x7fc4ee163000 [pid 6134] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6138] ioctl(4, LOOP_CLR_FD) = 0 [pid 6136] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6134] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 6140 attached [pid 6140] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6134] <... ioctl resumed>) = 0 [pid 6136] <... mprotect resumed>) = 0 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6136] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6140] setpgid(0, 0) = 0 [pid 6138] ioctl(4, LOOP_SET_FD, 3 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6138] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6140] <... openat resumed>) = 3 [pid 6138] close(4 [pid 6136] <... clone resumed>, parent_tid=[6141], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6141 [pid 6140] write(3, "1000", 4 [pid 6138] <... close resumed>) = 0 [pid 6136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] ioctl(4, LOOP_SET_FD, 3 [pid 6140] <... write resumed>) = 4 [pid 6138] close(3 [pid 6134] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6140] close(3 [pid 6138] <... close resumed>) = 0 [pid 6137] <... write resumed>) = 262144 [pid 6136] <... futex resumed>) = 0 [pid 6134] close(4 [pid 6140] <... close resumed>) = 0 [pid 6138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... futex resumed>) = 1 [pid 6134] <... close resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6140] <... futex resumed>) = 0 [pid 6138] fspick(AT_FDCWD, ".", 0 [pid 6134] close(3 [pid 6131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6137] munmap(0x7fc4e5d63000, 262144 [pid 6131] <... futex resumed>) = 0 [pid 6140] <... mmap resumed>) = 0x7fc4ee163000 [pid 6138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6138] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... mprotect resumed>) = 0 [pid 6138] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... close resumed>) = 0 [pid 6140] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6138] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... futex resumed>) = 0 [pid 6134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... clone resumed>, parent_tid=[6142], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6142 [pid 6138] <... futex resumed>) = 0 [pid 6137] <... munmap resumed>) = 0 [pid 6134] <... futex resumed>) = 1 [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6141 attached [pid 6140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6134] fspick(AT_FDCWD, ".", 0 [pid 6132] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] set_robust_list(0x7fc4ee1839e0, 24 [pid 6140] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6134] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... openat resumed>) = 4 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6138] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] ioctl(4, LOOP_SET_FD, 3 [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] memfd_create("syzkaller", 0 [pid 6138] <... openat resumed>) = 3 [pid 6137] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6134] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... memfd_create resumed>) = 3 [pid 6138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] ioctl(4, LOOP_CLR_FD [pid 6134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6138] <... futex resumed>) = 1 [pid 6137] <... ioctl resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6141] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6138] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6134] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6131] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6139 attached [pid 6141] <... write resumed>) = 262144 [pid 6138] <... futex resumed>) = 0 [pid 6134] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... futex resumed>) = 1 [pid 6138] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6137] ioctl(4, LOOP_SET_FD, 3 [pid 6134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] munmap(0x7fc4e5d63000, 262144 [pid 6138] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6137] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6134] <... futex resumed>) = 1 [pid 6132] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6142 attached [pid 6141] <... munmap resumed>) = 0 [pid 6139] set_robust_list(0x7fc4ee1839e0, 24 [pid 6138] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] close(4 [pid 6134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] set_robust_list(0x7fc4ee1839e0, 24 [pid 6141] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6138] <... futex resumed>) = 1 [pid 6137] <... close resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6132] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6141] <... openat resumed>) = 4 [pid 6138] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] close(3 [pid 6134] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6131] exit_group(0 [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] memfd_create("syzkaller", 0 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6142] <... memfd_create resumed>) = 3 [pid 6141] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6138] <... futex resumed>) = ? [pid 6131] <... exit_group resumed>) = ? [pid 6142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6141] ioctl(4, LOOP_CLR_FD [pid 6138] +++ exited with 0 +++ [pid 6142] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6141] <... ioctl resumed>) = 0 [pid 6139] memfd_create("syzkaller", 0 [pid 6137] <... close resumed>) = 0 [pid 6134] <... openat resumed>) = 3 [pid 6131] +++ exited with 0 +++ [pid 6139] <... memfd_create resumed>) = 3 [pid 6137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6137] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6142] <... write resumed>) = 262144 [pid 6139] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6137] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6141] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6137] fspick(AT_FDCWD, ".", 0 [pid 6134] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 6142] munmap(0x7fc4e5d63000, 262144 [pid 6141] close(4 [pid 6137] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6142] <... munmap resumed>) = 0 [pid 6141] <... close resumed>) = 0 [pid 6137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6141] close(3 [pid 6137] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6132] <... futex resumed>) = 0 [pid 5002] close(3 [pid 6142] <... openat resumed>) = 4 [pid 6141] <... close resumed>) = 0 [pid 6139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6137] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] exit_group(0 [pid 5002] <... close resumed>) = 0 [pid 6142] ioctl(4, LOOP_SET_FD, 3 [pid 6141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = ? [pid 6133] <... futex resumed>) = 0 [pid 6132] <... exit_group resumed>) = ? [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6141] <... futex resumed>) = 1 [pid 6137] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6136] <... futex resumed>) = 0 [pid 6134] +++ exited with 0 +++ [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] ioctl(4, LOOP_CLR_FD [pid 6141] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6143 [pid 6142] <... ioctl resumed>) = 0 [pid 6132] +++ exited with 0 +++ [pid 6136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... futex resumed>) = 0 [pid 6137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6141] fspick(AT_FDCWD, ".", 0 [pid 6137] <... futex resumed>) = 1 [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6141] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6137] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6137] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6136] <... futex resumed>) = 0 [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6143 attached [pid 6143] set_robust_list(0x5555563db5e0, 24 [pid 6137] <... openat resumed>) = 3 [pid 6136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6141] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... futex resumed>) = 1 [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 0 [pid 6142] ioctl(4, LOOP_SET_FD, 3 [pid 6141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6141] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6142] close(4 [pid 6141] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6137] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6136] <... futex resumed>) = 0 [pid 6133] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... close resumed>) = 0 [pid 6137] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] close(3 [pid 6141] <... openat resumed>) = 3 [pid 6137] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6142] <... close resumed>) = 0 [pid 6141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... write resumed>) = 262144 [pid 6137] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 1 [pid 6139] munmap(0x7fc4e5d63000, 262144 [pid 6137] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] <... futex resumed>) = 0 [pid 6133] exit_group(0 [pid 4999] <... openat resumed>) = 3 [pid 6142] <... futex resumed>) = 1 [pid 6141] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = ? [pid 6136] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... exit_group resumed>) = ? [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... munmap resumed>) = 0 [pid 6137] +++ exited with 0 +++ [pid 6136] <... futex resumed>) = 0 [pid 6133] +++ exited with 0 +++ [pid 4999] <... ioctl resumed>) = 0 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6140] <... futex resumed>) = 0 [pid 6139] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6136] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] close(3 [pid 6142] fspick(AT_FDCWD, ".", 0 [pid 6141] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... openat resumed>) = 4 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... close resumed>) = 0 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6141] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 6139] ioctl(4, LOOP_SET_FD, 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6143] <... prctl resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6143] setpgid(0, 0 [pid 6142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... setpgid resumed>) = 0 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6141] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6136] exit_group(0 [pid 6143] <... openat resumed>) = 3 [pid 6142] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6136] <... exit_group resumed>) = ? [pid 6143] write(3, "1000", 4 [pid 6142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = ? [pid 6139] ioctl(4, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6144 [pid 6143] <... write resumed>) = 4 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6143] close(3 [pid 6142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... close resumed>) = 0 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6143] <... futex resumed>) = 0 [pid 6142] <... openat resumed>) = 3 [pid 6141] +++ exited with 0 +++ [pid 6139] <... ioctl resumed>) = 0 [pid 6136] +++ exited with 0 +++ [pid 6143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] <... ioctl resumed>) = 0 [pid 6143] <... mmap resumed>) = 0x7fc4ee163000 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5003] close(3./strace-static-x86_64: Process 6144 attached [pid 6143] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 6144] set_robust_list(0x5555563db5e0, 24 [pid 6143] <... mprotect resumed>) = 0 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6142] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6140] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6144] <... prctl resumed>) = 0 [pid 6143] <... clone resumed>, parent_tid=[6145], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6145 [pid 6142] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... openat resumed>) = 3 [pid 6144] setpgid(0, 0 [pid 6143] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6146 [pid 6144] <... setpgid resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6142] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] exit_group(0 [pid 6139] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... ioctl resumed>) = 0 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6142] <... futex resumed>) = ? [pid 6140] <... exit_group resumed>) = ? [pid 6139] close(4 [pid 5004] close(3 [pid 6144] <... openat resumed>) = 3 [pid 6142] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 6144] write(3, "1000", 4 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6144] <... write resumed>) = 4 [pid 6139] <... close resumed>) = 0 [pid 6144] close(3 [pid 6139] close(3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6147 [pid 6144] <... close resumed>) = 0 [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6146 attached [pid 6144] <... futex resumed>) = 0 [pid 6146] set_robust_list(0x5555563db5e0, 24 [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5001] <... openat resumed>) = 3 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6144] <... mmap resumed>) = 0x7fc4ee163000 [pid 6139] <... close resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6146] <... prctl resumed>) = 0 [pid 6144] <... mprotect resumed>) = 0 [pid 6139] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6146] setpgid(0, 0 [pid 6144] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6146] <... setpgid resumed>) = 0 [pid 6139] fspick(AT_FDCWD, ".", 0 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] <... clone resumed>, parent_tid=[6148], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6148 [pid 6139] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6146] <... openat resumed>) = 3 [pid 6144] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] write(3, "1000", 4 [pid 6144] <... futex resumed>) = 0 [pid 6146] <... write resumed>) = 4 [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6149 [pid 6139] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6146] <... close resumed>) = 0 [pid 6139] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6139] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6139] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6146] <... mmap resumed>) = 0x7fc4ee163000 [pid 6139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6146] <... mprotect resumed>) = 0 [pid 6139] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6139] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] <... clone resumed>, parent_tid=[6150], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6150 [pid 6146] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6139] <... openat resumed>) = 3 [pid 6139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6145 attached [pid 6135] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 1 [pid 6139] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6135] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] set_robust_list(0x7fc4ee1839e0, 24 [pid 6139] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6135] <... futex resumed>) = 0 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6139] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6150 attached ./strace-static-x86_64: Process 6149 attached ./strace-static-x86_64: Process 6148 attached ./strace-static-x86_64: Process 6147 attached [pid 6145] memfd_create("syzkaller", 0 [pid 6135] exit_group(0 [pid 6150] set_robust_list(0x7fc4ee1839e0, 24 [pid 6149] set_robust_list(0x5555563db5e0, 24 [pid 6148] set_robust_list(0x7fc4ee1839e0, 24 [pid 6135] <... exit_group resumed>) = ? [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6147] set_robust_list(0x5555563db5e0, 24 [pid 6150] memfd_create("syzkaller", 0 [pid 6148] memfd_create("syzkaller", 0 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... futex resumed>) = ? [pid 6148] <... memfd_create resumed>) = 3 [pid 6150] <... memfd_create resumed>) = 3 [pid 6149] <... prctl resumed>) = 0 [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6147] <... prctl resumed>) = 0 [pid 6150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6149] setpgid(0, 0 [pid 6148] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6147] setpgid(0, 0 [pid 6150] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6149] <... setpgid resumed>) = 0 [pid 6147] <... setpgid resumed>) = 0 [pid 6139] +++ exited with 0 +++ [pid 6135] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6145] <... memfd_create resumed>) = 3 [pid 6145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6148] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... restart_syscall resumed>) = 0 [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6149] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6151 [pid 6149] write(3, "1000", 4 [pid 6147] <... openat resumed>) = 3 [pid 6147] write(3, "1000", 4 [pid 6149] <... write resumed>) = 4 [pid 6150] <... write resumed>) = 262144 [pid 6149] close(3 [pid 6147] <... write resumed>) = 4 [pid 6150] munmap(0x7fc4e5d63000, 262144 [pid 6149] <... close resumed>) = 0 [pid 6148] <... write resumed>) = 262144 [pid 6147] close(3) = 0 [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] munmap(0x7fc4e5d63000, 262144 [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... munmap resumed>) = 0 [pid 6147] <... futex resumed>) = 0 [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... munmap resumed>) = 0 [pid 6149] <... mmap resumed>) = 0x7fc4ee163000 [pid 6148] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6149] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6147] <... mmap resumed>) = 0x7fc4ee163000 [pid 6149] <... mprotect resumed>) = 0 [pid 6147] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6149] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6147] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6150] <... openat resumed>) = 4 [pid 6149] <... clone resumed>, parent_tid=[6152], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6152 [pid 6148] <... openat resumed>) = 4 [pid 6150] ioctl(4, LOOP_SET_FD, 3 [pid 6149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6149] <... futex resumed>) = 0 [pid 6148] ioctl(4, LOOP_SET_FD, 3 [pid 6147] <... clone resumed>, parent_tid=[6153], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6153 [pid 6150] ioctl(4, LOOP_CLR_FD [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6150] <... ioctl resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] ioctl(4, LOOP_CLR_FD [pid 6147] <... futex resumed>) = 0 [pid 6148] <... ioctl resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6150] close(4 [pid 6148] ioctl(4, LOOP_SET_FD, 3 [pid 6150] <... close resumed>) = 0 [pid 6148] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6150] close(3 [pid 6148] close(4 [pid 6150] <... close resumed>) = 0 [pid 6148] <... close resumed>) = 0 [pid 6145] <... write resumed>) = 262144 [pid 6150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] close(3 [pid 6150] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6145] munmap(0x7fc4e5d63000, 262144 [pid 6148] <... close resumed>) = 0 [pid 6146] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] fspick(AT_FDCWD, ".", 0) = -1 EINVAL (Invalid argument) [pid 6148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... futex resumed>) = 0 [pid 6150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6148] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] <... munmap resumed>) = 0 [pid 6144] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6152 attached ./strace-static-x86_64: Process 6151 attached [pid 6150] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6144] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6153 attached [pid 6152] set_robust_list(0x7fc4ee1839e0, 24 [pid 6151] set_robust_list(0x5555563db5e0, 24 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] fspick(AT_FDCWD, ".", 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... openat resumed>) = 4 [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] set_robust_list(0x7fc4ee1839e0, 24 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6148] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] ioctl(4, LOOP_SET_FD, 3 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] memfd_create("syzkaller", 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] memfd_create("syzkaller", 0 [pid 6152] <... memfd_create resumed>) = 3 [pid 6151] <... prctl resumed>) = 0 [pid 6150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6145] ioctl(4, LOOP_CLR_FD [pid 6144] <... futex resumed>) = 0 [pid 6153] <... memfd_create resumed>) = 3 [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6151] setpgid(0, 0 [pid 6145] <... ioctl resumed>) = 0 [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6152] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6151] <... setpgid resumed>) = 0 [pid 6153] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] <... futex resumed>) = 1 [pid 6148] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = 0 [pid 6144] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6152] <... write resumed>) = 262144 [pid 6151] <... openat resumed>) = 3 [pid 6150] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] ioctl(4, LOOP_SET_FD, 3 [pid 6144] <... futex resumed>) = 0 [pid 6151] write(3, "1000", 4 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... write resumed>) = 262144 [pid 6152] munmap(0x7fc4e5d63000, 262144 [pid 6151] <... write resumed>) = 4 [pid 6150] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6148] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] close(4 [pid 6153] munmap(0x7fc4e5d63000, 262144 [pid 6152] <... munmap resumed>) = 0 [pid 6151] close(3 [pid 6150] <... openat resumed>) = 3 [pid 6148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... close resumed>) = 0 [pid 6153] <... munmap resumed>) = 0 [pid 6152] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6151] <... close resumed>) = 0 [pid 6150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 1 [pid 6145] close(3 [pid 6144] <... futex resumed>) = 0 [pid 6153] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6152] <... openat resumed>) = 4 [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 1 [pid 6148] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] <... futex resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 6144] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... openat resumed>) = 4 [pid 6152] ioctl(4, LOOP_SET_FD, 3 [pid 6151] <... futex resumed>) = 0 [pid 6150] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6148] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] ioctl(4, LOOP_CLR_FD [pid 6151] <... mmap resumed>) = 0x7fc4ee163000 [pid 6150] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6148] <... openat resumed>) = 3 [pid 6146] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6143] <... futex resumed>) = 0 [pid 6153] ioctl(4, LOOP_CLR_FD [pid 6152] <... ioctl resumed>) = 0 [pid 6151] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6150] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... ioctl resumed>) = 0 [pid 6151] <... mprotect resumed>) = 0 [pid 6150] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6144] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = 1 [pid 6151] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6150] <... futex resumed>) = 1 [pid 6148] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6146] <... futex resumed>) = 0 [pid 6145] fspick(AT_FDCWD, ".", 0 [pid 6144] <... futex resumed>) = 0 [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6146] exit_group(0 [pid 6145] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6144] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] ioctl(4, LOOP_SET_FD, 3 [pid 6151] <... clone resumed>, parent_tid=[6154], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6154 [pid 6150] <... futex resumed>) = ? [pid 6148] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... exit_group resumed>) = ? [pid 6145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] +++ exited with 0 +++ [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6152] close(4 [pid 6151] <... futex resumed>) = 0 [pid 6146] +++ exited with 0 +++ [pid 6145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] close(4 [pid 6152] <... close resumed>) = 0 [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] exit_group(0 [pid 6143] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6153] <... close resumed>) = 0 [pid 6152] close(3 [pid 6148] <... futex resumed>) = ? [pid 6145] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6144] <... exit_group resumed>) = ? [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6154 attached [pid 6153] close(3 [pid 6152] <... close resumed>) = 0 [pid 6148] +++ exited with 0 +++ [pid 6145] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6154] set_robust_list(0x7fc4ee1839e0, 24 [pid 6153] <... close resumed>) = 0 [pid 6152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] +++ exited with 0 +++ [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6154] memfd_create("syzkaller", 0 [pid 6153] <... futex resumed>) = 1 [pid 6152] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6154] <... memfd_create resumed>) = 3 [pid 6153] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] fspick(AT_FDCWD, ".", 0 [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 0 [pid 6145] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 6154] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6153] fspick(AT_FDCWD, ".", 0 [pid 6152] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6153] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 5003] close(3 [pid 4999] close(3 [pid 6154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6153] <... futex resumed>) = 1 [pid 6152] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6153] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6154] <... write resumed>) = 262144 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 0 [pid 6145] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6143] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] munmap(0x7fc4e5d63000, 262144 [pid 6153] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6152] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6155 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6156 [pid 6154] <... munmap resumed>) = 0 [pid 6153] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6154] <... openat resumed>) = 4 [pid 6153] <... futex resumed>) = 1 [pid 6152] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 6145] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6143] exit_group(0 [pid 6154] ioctl(4, LOOP_SET_FD, 3 [pid 6153] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = ? [pid 6143] <... exit_group resumed>) = ? [pid 6154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 0 [pid 6145] +++ exited with 0 +++ [pid 6143] +++ exited with 0 +++ ./strace-static-x86_64: Process 6155 attached [pid 6154] ioctl(4, LOOP_CLR_FD [pid 6153] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6152] <... openat resumed>) = 3 [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6155] set_robust_list(0x5555563db5e0, 24 [pid 6154] <... ioctl resumed>) = 0 [pid 6153] <... openat resumed>) = 3 [pid 6152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... set_robust_list resumed>) = 0 [pid 6153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] <... futex resumed>) = 1 [pid 6152] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6155] <... prctl resumed>) = 0 [pid 6153] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... futex resumed>) = 0 [pid 6147] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6156 attached [pid 6155] setpgid(0, 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6149] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6147] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6156] set_robust_list(0x5555563db5e0, 24 [pid 6155] <... setpgid resumed>) = 0 [pid 6154] ioctl(4, LOOP_SET_FD, 3 [pid 6153] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6152] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6147] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... ioctl resumed>) = 0 [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6153] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6152] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6155] <... openat resumed>) = 3 [pid 6154] close(4 [pid 6153] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 6156] <... prctl resumed>) = 0 [pid 6155] write(3, "1000", 4 [pid 6154] <... close resumed>) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6152] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] exit_group(0 [pid 6147] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] setpgid(0, 0 [pid 6155] <... write resumed>) = 4 [pid 6154] close(3 [pid 6153] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 6147] exit_group(0 [pid 6156] <... setpgid resumed>) = 0 [pid 6152] +++ exited with 0 +++ [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6154] <... close resumed>) = 0 [pid 6156] write(3, "1000", 4) = 4 [pid 6149] +++ exited with 0 +++ [pid 6156] close(3 [pid 6155] close(3 [pid 6154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = ? [pid 6147] <... exit_group resumed>) = ? [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6157 [pid 6156] <... close resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6153] +++ exited with 0 +++ [pid 6151] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6156] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6147] +++ exited with 0 +++ [pid 5001] <... restart_syscall resumed>) = 0 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] fspick(AT_FDCWD, ".", 0 [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6156] <... mmap resumed>) = 0x7fc4ee163000 [pid 6155] <... futex resumed>) = 0 [pid 6154] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6156] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6156] <... mprotect resumed>) = 0 [pid 6155] <... mmap resumed>) = 0x7fc4ee163000 [pid 6154] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6156] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6155] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6157 attached [pid 6155] <... mprotect resumed>) = 0 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6156] <... clone resumed>, parent_tid=[6158], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6158 [pid 6155] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6154] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 6157] set_robust_list(0x5555563db5e0, 24 [pid 6156] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] <... close resumed>) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6155] <... clone resumed>, parent_tid=[6159], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6159 [pid 6154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6155] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6157] <... prctl resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6160 [pid 6157] setpgid(0, 0 [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 5004] close(3 [pid 6157] <... setpgid resumed>) = 0 [pid 6154] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 6154] <... openat resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6159 attached [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] set_robust_list(0x7fc4ee1839e0, 24 [pid 6157] <... openat resumed>) = 3 [pid 6154] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6161 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6157] write(3, "1000", 4 [pid 6154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... write resumed>) = 4 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6157] close(3 [pid 6154] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6151] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6160 attached ./strace-static-x86_64: Process 6158 attached [pid 6159] <... memfd_create resumed>) = 3 [pid 6157] <... close resumed>) = 0 [pid 6154] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6160] set_robust_list(0x5555563db5e0, 24 [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6158] set_robust_list(0x7fc4ee1839e0, 24 [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] memfd_create("syzkaller", 0 [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6154] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] exit_group(0 [pid 6160] <... prctl resumed>) = 0 [pid 6158] <... memfd_create resumed>) = 3 [pid 6157] <... mmap resumed>) = 0x7fc4ee163000 [pid 6154] <... futex resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 6160] setpgid(0, 0 [pid 6158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6157] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6154] +++ exited with 0 +++ ./strace-static-x86_64: Process 6161 attached [pid 6160] <... setpgid resumed>) = 0 [pid 6159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6158] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6157] <... mprotect resumed>) = 0 [pid 6151] +++ exited with 0 +++ [pid 6159] <... write resumed>) = 262144 [pid 6157] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] munmap(0x7fc4e5d63000, 262144 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6161] set_robust_list(0x5555563db5e0, 24 [pid 6160] <... openat resumed>) = 3 [pid 6159] <... munmap resumed>) = 0 [pid 6158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6157] <... clone resumed>, parent_tid=[6162], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6162 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6160] write(3, "1000", 4 [pid 6159] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6157] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] <... write resumed>) = 4 [pid 6159] <... openat resumed>) = 4 [pid 6157] <... futex resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6160] close(3 [pid 6159] ioctl(4, LOOP_SET_FD, 3 [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6159] ioctl(4, LOOP_CLR_FD [pid 6160] <... close resumed>) = 0 [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6159] <... ioctl resumed>) = 0 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6161] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6162 attached [pid 5000] <... ioctl resumed>) = 0 [pid 5000] close(3 [pid 6162] set_robust_list(0x7fc4ee1839e0, 24 [pid 5000] <... close resumed>) = 0 [pid 6162] <... set_robust_list resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6160] <... mmap resumed>) = 0x7fc4ee163000 [pid 6162] memfd_create("syzkaller", 0) = 3 [pid 6162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6160] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6161] setpgid(0, 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6163 [pid 6160] <... mprotect resumed>) = 0 [pid 6159] ioctl(4, LOOP_SET_FD, 3 [pid 6161] <... setpgid resumed>) = 0 [pid 6159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6160] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6159] close(4 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] <... close resumed>) = 0 [pid 6159] close(3 [pid 6161] <... openat resumed>) = 3 [pid 6160] <... clone resumed>, parent_tid=[6164], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6164 [pid 6159] <... close resumed>) = 0 [pid 6161] write(3, "1000", 4 [pid 6160] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... write resumed>) = 4 [pid 6160] <... futex resumed>) = 0 [pid 6159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] close(3 [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... close resumed>) = 0 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 0 [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] fspick(AT_FDCWD, ".", 0 [pid 6158] <... write resumed>) = 262144 [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 0 [pid 6159] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... mmap resumed>) = 0x7fc4ee163000 [pid 6159] <... futex resumed>) = 1 [pid 6158] munmap(0x7fc4e5d63000, 262144 [pid 6155] <... futex resumed>) = 0 [pid 6161] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 0 [pid 6159] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6161] <... mprotect resumed>) = 0 [pid 6159] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... munmap resumed>) = 0 [pid 6159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6161] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6155] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... write resumed>) = 262144 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6155] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6163 attached [pid 6161] <... clone resumed>, parent_tid=[6165], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6165 [pid 6159] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6158] <... openat resumed>) = 4 [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6164 attached [pid 6163] set_robust_list(0x5555563db5e0, 24 [pid 6161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... openat resumed>) = 3 [pid 6158] ioctl(4, LOOP_SET_FD, 3 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6162] munmap(0x7fc4e5d63000, 262144 [pid 6161] <... futex resumed>) = 0 [pid 6159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6164] set_robust_list(0x7fc4ee1839e0, 24 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] <... munmap resumed>) = 0 [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... futex resumed>) = 1 [pid 6158] ioctl(4, LOOP_CLR_FD [pid 6155] <... futex resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] <... prctl resumed>) = 0 [pid 6162] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6155] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] memfd_create("syzkaller", 0 [pid 6163] setpgid(0, 0 [pid 6162] <... openat resumed>) = 4 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... ioctl resumed>) = 0 [pid 6155] <... futex resumed>) = 0 [pid 6163] <... setpgid resumed>) = 0 [pid 6162] ioctl(4, LOOP_SET_FD, 3 [pid 6159] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6155] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... memfd_create resumed>) = 3 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6159] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6163] <... openat resumed>) = 3 [pid 6162] ioctl(4, LOOP_CLR_FD [pid 6159] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] write(3, "1000", 4 [pid 6162] <... ioctl resumed>) = 0 [pid 6159] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = 0 [pid 6163] <... write resumed>) = 4 [pid 6159] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6155] exit_group(0 [pid 6163] close(3 [pid 6159] <... futex resumed>) = ? [pid 6158] ioctl(4, LOOP_SET_FD, 3 [pid 6155] <... exit_group resumed>) = ? [pid 6163] <... close resumed>) = 0 [pid 6159] +++ exited with 0 +++ [pid 6158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6155] +++ exited with 0 +++ [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] ioctl(4, LOOP_SET_FD, 3 [pid 6158] close(4 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6163] <... futex resumed>) = 0 [pid 6162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6158] <... close resumed>) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] close(4 [pid 6163] <... mmap resumed>) = 0x7fc4ee163000 [pid 6162] <... close resumed>) = 0 [pid 6158] close(3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6163] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6162] close(3 [pid 6163] <... mprotect resumed>) = 0 [pid 6162] <... close resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 6163] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6162] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 6158] <... futex resumed>) = 1 [pid 6163] <... clone resumed>, parent_tid=[6166], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6166 [pid 6162] fspick(AT_FDCWD, ".", 0 [pid 6158] fspick(AT_FDCWD, ".", 0 [pid 6157] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 6163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6162] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6162] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6162] <... futex resumed>) = 1 [pid 6158] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6167 [pid 6162] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6165 attached [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] set_robust_list(0x7fc4ee1839e0, 24 [pid 6162] <... openat resumed>) = 3 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] memfd_create("syzkaller", 0 [pid 6162] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6162] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6167 attached [pid 6165] <... memfd_create resumed>) = 3 [pid 6162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... openat resumed>) = 3 [pid 6157] <... futex resumed>) = 0 [pid 6167] set_robust_list(0x5555563db5e0, 24 [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6164] <... write resumed>) = 262144 [pid 6162] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... set_robust_list resumed>) = 0 [pid 6165] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6164] munmap(0x7fc4e5d63000, 262144 [pid 6162] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6158] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... prctl resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6167] setpgid(0, 0 [pid 6162] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6157] exit_group(0 [pid 6156] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6166 attached [pid 6167] <... setpgid resumed>) = 0 [pid 6162] <... futex resumed>) = ? [pid 6158] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6157] <... exit_group resumed>) = ? [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] set_robust_list(0x7fc4ee1839e0, 24 [pid 6164] <... munmap resumed>) = 0 [pid 6162] +++ exited with 0 +++ [pid 6158] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] +++ exited with 0 +++ [pid 6167] <... openat resumed>) = 3 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6164] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6158] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6167] write(3, "1000", 4 [pid 6166] memfd_create("syzkaller", 0 [pid 6164] <... openat resumed>) = 4 [pid 6158] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] exit_group(0 [pid 6167] <... write resumed>) = 4 [pid 6166] <... memfd_create resumed>) = 3 [pid 6164] ioctl(4, LOOP_SET_FD, 3 [pid 6158] <... futex resumed>) = ? [pid 6156] <... exit_group resumed>) = ? [pid 6167] close(3 [pid 6166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6167] <... close resumed>) = 0 [pid 6166] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6164] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... openat resumed>) = 3 [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6164] ioctl(4, LOOP_CLR_FD [pid 6158] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6167] <... futex resumed>) = 0 [pid 6166] <... write resumed>) = 262144 [pid 6165] <... write resumed>) = 262144 [pid 6164] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6156, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] munmap(0x7fc4e5d63000, 262144 [pid 5002] close(3 [pid 6167] <... mmap resumed>) = 0x7fc4ee163000 [pid 6166] munmap(0x7fc4e5d63000, 262144 [pid 5002] <... close resumed>) = 0 [pid 6167] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6166] <... munmap resumed>) = 0 [pid 6165] <... munmap resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6167] <... mprotect resumed>) = 0 [pid 6166] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6165] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6164] ioctl(4, LOOP_SET_FD, 3 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6167] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6166] <... openat resumed>) = 4 [pid 6165] <... openat resumed>) = 4 [pid 6164] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6168 [pid 4999] <... openat resumed>) = 3 [pid 6166] ioctl(4, LOOP_SET_FD, 3 [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 6164] close(4 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6167] <... clone resumed>, parent_tid=[6169], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6169 [pid 6166] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6165] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6164] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6167] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] ioctl(4, LOOP_CLR_FD [pid 6165] ioctl(4, LOOP_CLR_FD [pid 6164] close(3 [pid 4999] close(3 [pid 6167] <... futex resumed>) = 0 [pid 6166] <... ioctl resumed>) = 0 [pid 6165] <... ioctl resumed>) = 0 [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6169 attached [pid 6164] fspick(AT_FDCWD, ".", 0 [pid 6160] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6160] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6168 attached [pid 6164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6170 [pid 6164] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6160] <... futex resumed>) = 0 [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 6164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] set_robust_list(0x5555563db5e0, 24 [pid 6166] ioctl(4, LOOP_SET_FD, 3 [pid 6165] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6164] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6165] close(4 [pid 6164] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] close(4 [pid 6165] <... close resumed>) = 0 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 6165] close(3 [pid 6164] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6170 attached [pid 6169] set_robust_list(0x7fc4ee1839e0, 24 [pid 6168] <... prctl resumed>) = 0 [pid 6166] close(3 [pid 6170] set_robust_list(0x5555563db5e0, 24 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] setpgid(0, 0 [pid 6166] <... close resumed>) = 0 [pid 6165] <... close resumed>) = 0 [pid 6164] <... openat resumed>) = 3 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] memfd_create("syzkaller", 0 [pid 6168] <... setpgid resumed>) = 0 [pid 6166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] <... memfd_create resumed>) = 3 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6170] <... prctl resumed>) = 0 [pid 6169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6168] <... openat resumed>) = 3 [pid 6166] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] setpgid(0, 0 [pid 6169] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6168] write(3, "1000", 4 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6170] <... setpgid resumed>) = 0 [pid 6169] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6168] <... write resumed>) = 4 [pid 6166] fspick(AT_FDCWD, ".", 0 [pid 6165] fspick(AT_FDCWD, ".", 0 [pid 6164] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6160] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] <... write resumed>) = 262144 [pid 6168] close(3 [pid 6166] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6164] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6170] <... openat resumed>) = 3 [pid 6168] <... close resumed>) = 0 [pid 6166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] write(3, "1000", 4 [pid 6169] munmap(0x7fc4e5d63000, 262144 [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6170] <... write resumed>) = 4 [pid 6169] <... munmap resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6166] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] exit_group(0 [pid 6170] close(3 [pid 6169] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = ? [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... exit_group resumed>) = ? [pid 6170] <... close resumed>) = 0 [pid 6169] <... openat resumed>) = 4 [pid 6168] <... mmap resumed>) = 0x7fc4ee163000 [pid 6166] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6165] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6164] +++ exited with 0 +++ [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] ioctl(4, LOOP_SET_FD, 3 [pid 6166] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6160] +++ exited with 0 +++ [pid 6170] <... futex resumed>) = 0 [pid 6169] ioctl(4, LOOP_CLR_FD [pid 6168] <... mprotect resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 6165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6169] <... ioctl resumed>) = 0 [pid 6168] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6166] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... futex resumed>) = 1 [pid 6163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = 0 [pid 6170] <... mmap resumed>) = 0x7fc4ee163000 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... futex resumed>) = 0 [pid 6161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6168] <... clone resumed>, parent_tid=[6171], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6171 [pid 6166] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 0 [pid 6170] <... mprotect resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... openat resumed>) = 3 [pid 6165] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6169] ioctl(4, LOOP_SET_FD, 3 [pid 6168] <... futex resumed>) = 0 [pid 6166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... openat resumed>) = 3 [pid 6169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6166] <... futex resumed>) = 1 [pid 6165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6170] <... clone resumed>, parent_tid=[6172], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6172 [pid 6169] close(4 [pid 6166] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... futex resumed>) = 1 [pid 6163] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = 0 [pid 6170] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = 0 [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... futex resumed>) = 0 [pid 6161] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6170] <... futex resumed>) = 0 [pid 6169] close(3 [pid 6166] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6172 attached [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6169] <... close resumed>) = 0 [pid 6166] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6165] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6161] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... openat resumed>) = 3 [pid 6172] set_robust_list(0x7fc4ee1839e0, 24 [pid 6169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6172] <... set_robust_list resumed>) = 0 [pid 6169] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 6165] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6172] memfd_create("syzkaller", 0 [pid 6169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... futex resumed>) = 1 [pid 6163] exit_group(0 [pid 6161] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6172] <... memfd_create resumed>) = 3 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = ? [pid 6165] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... exit_group resumed>) = ? [pid 6161] exit_group(0 [pid 5001] close(3 [pid 6172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6169] fspick(AT_FDCWD, ".", 0 [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] +++ exited with 0 +++ [pid 6165] <... futex resumed>) = ? [pid 6163] +++ exited with 0 +++ [pid 6161] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 ./strace-static-x86_64: Process 6171 attached [pid 6172] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6169] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6165] +++ exited with 0 +++ [pid 6171] set_robust_list(0x7fc4ee1839e0, 24 [pid 6169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6169] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6171] memfd_create("syzkaller", 0 [pid 6169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6171] <... memfd_create resumed>) = 3 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... futex resumed>) = 0 [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6169] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6171] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6169] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6172] <... write resumed>) = 262144 [pid 6171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6173 [pid 6172] munmap(0x7fc4e5d63000, 262144 [pid 6169] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 6169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... munmap resumed>) = 0 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6173 attached [pid 6172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6171] <... write resumed>) = 262144 [pid 6169] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6173] set_robust_list(0x5555563db5e0, 24 [pid 6172] <... openat resumed>) = 4 [pid 6169] <... openat resumed>) = 3 [pid 5004] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] ioctl(4, LOOP_SET_FD, 3 [pid 6169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6171] munmap(0x7fc4e5d63000, 262144 [pid 6169] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... ioctl resumed>) = 0 [pid 6173] <... prctl resumed>) = 0 [pid 6172] ioctl(4, LOOP_CLR_FD [pid 6171] <... munmap resumed>) = 0 [pid 6169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... ioctl resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6167] <... futex resumed>) = 0 [pid 6173] setpgid(0, 0 [pid 5000] close(3 [pid 6173] <... setpgid resumed>) = 0 [pid 6171] <... openat resumed>) = 4 [pid 6169] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6167] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6174 [pid 5000] <... close resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6169] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6173] <... openat resumed>) = 3 [pid 6171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6169] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] ioctl(4, LOOP_CLR_FD [pid 6169] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6173] write(3, "1000", 4 [pid 6171] <... ioctl resumed>) = 0 [pid 6169] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] exit_group(0./strace-static-x86_64: Process 6174 attached [pid 6173] <... write resumed>) = 4 [pid 6172] ioctl(4, LOOP_SET_FD, 3 [pid 6169] <... futex resumed>) = ? [pid 6167] <... exit_group resumed>) = ? [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6175 [pid 6174] set_robust_list(0x5555563db5e0, 24 [pid 6173] close(3 [pid 6172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6169] +++ exited with 0 +++ [pid 6167] +++ exited with 0 +++ [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 6172] close(4 [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... close resumed>) = 0 [pid 6171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6174] <... prctl resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6172] close(3 [pid 6171] close(4 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6174] setpgid(0, 0 [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6171] <... close resumed>) = 0 [pid 6171] close(3 [pid 6174] <... setpgid resumed>) = 0 [pid 6173] <... mmap resumed>) = 0x7fc4ee163000 [pid 6172] <... close resumed>) = 0 [pid 6171] <... close resumed>) = 0 [pid 5003] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6175 attached [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6175] set_robust_list(0x5555563db5e0, 24 [pid 6174] <... openat resumed>) = 3 [pid 6173] <... mprotect resumed>) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6174] write(3, "1000", 4 [pid 6173] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] <... write resumed>) = 4 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] <... futex resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 6175] <... prctl resumed>) = 0 [pid 6174] close(3 [pid 6173] <... clone resumed>, parent_tid=[6176], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6176 [pid 6172] fspick(AT_FDCWD, ".", 0 [pid 6171] fspick(AT_FDCWD, ".", 0 [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6175] setpgid(0, 0 [pid 6174] <... close resumed>) = 0 [pid 6173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6175] <... setpgid resumed>) = 0 [pid 6171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = 0 [pid 6172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6175] <... openat resumed>) = 3 [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... futex resumed>) = 1 [pid 6171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6177 [pid 6175] write(3, "1000", 4 [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6177 attached [pid 6175] <... write resumed>) = 4 [pid 6174] <... mmap resumed>) = 0x7fc4ee163000 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] set_robust_list(0x5555563db5e0, 24 [pid 6175] close(3 [pid 6174] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6172] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6171] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6176 attached [pid 6177] <... set_robust_list resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6174] <... mprotect resumed>) = 0 [pid 6172] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6176] set_robust_list(0x7fc4ee1839e0, 24 [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6177] <... prctl resumed>) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] setpgid(0, 0 [pid 6176] memfd_create("syzkaller", 0 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6174] <... clone resumed>, parent_tid=[6178], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6178 [pid 6172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6177] <... setpgid resumed>) = 0 [pid 6176] <... memfd_create resumed>) = 3 [pid 6175] <... mmap resumed>) = 0x7fc4ee163000 [pid 6174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6175] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6174] <... futex resumed>) = 0 [pid 6172] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6171] <... openat resumed>) = 3 [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... openat resumed>) = 3 [pid 6176] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6175] <... mprotect resumed>) = 0 [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... openat resumed>) = 3 [pid 6171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6178 attached [pid 6177] write(3, "1000", 4 [pid 6175] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6178] set_robust_list(0x7fc4ee1839e0, 24 [pid 6177] <... write resumed>) = 4 [pid 6172] <... futex resumed>) = 1 [pid 6171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] close(3 [pid 6176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6175] <... clone resumed>, parent_tid=[6179], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6179 [pid 6172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... futex resumed>) = 0 [pid 6178] memfd_create("syzkaller", 0 [pid 6177] <... close resumed>) = 0 [pid 6175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... memfd_create resumed>) = 3 [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... write resumed>) = 262144 [pid 6175] <... futex resumed>) = 0 [pid 6172] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6171] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6170] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6177] <... futex resumed>) = 0 [pid 6176] munmap(0x7fc4e5d63000, 262144 [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6171] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6176] <... munmap resumed>) = 0 [pid 6172] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = 1 [pid 6168] <... futex resumed>) = 0 [pid 6178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6177] <... mmap resumed>) = 0x7fc4ee163000 [pid 6176] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6172] <... futex resumed>) = 1 [pid 6171] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... futex resumed>) = 0 [pid 6168] exit_group(0 [pid 6178] <... write resumed>) = 262144 [pid 6177] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6176] <... openat resumed>) = 4 [pid 6172] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6171] <... futex resumed>) = ? [pid 6170] exit_group(0 [pid 6168] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6179 attached [pid 6178] munmap(0x7fc4e5d63000, 262144 [pid 6177] <... mprotect resumed>) = 0 [pid 6176] ioctl(4, LOOP_SET_FD, 3 [pid 6172] <... futex resumed>) = ? [pid 6171] +++ exited with 0 +++ [pid 6170] <... exit_group resumed>) = ? [pid 6168] +++ exited with 0 +++ [pid 6179] set_robust_list(0x7fc4ee1839e0, 24 [pid 6178] <... munmap resumed>) = 0 [pid 6177] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6176] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6172] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6176] ioctl(4, LOOP_CLR_FD [pid 6170] +++ exited with 0 +++ [pid 6179] memfd_create("syzkaller", 0 [pid 6178] <... openat resumed>) = 4 [pid 6177] <... clone resumed>, parent_tid=[6180], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6180 [pid 6176] <... ioctl resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6179] <... memfd_create resumed>) = 3 [pid 6178] ioctl(4, LOOP_SET_FD, 3 [pid 6177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6177] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6179] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6178] ioctl(4, LOOP_CLR_FD [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6178] <... ioctl resumed>) = 0 [pid 6176] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... ioctl resumed>) = 0 [pid 6179] <... write resumed>) = 262144 [pid 6176] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] close(3 [pid 6176] close(4 [pid 5002] <... close resumed>) = 0 [pid 6176] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6176] close(3 [pid 6179] munmap(0x7fc4e5d63000, 262144 [pid 6178] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6181 [pid 4999] <... openat resumed>) = 3 [pid 6179] <... munmap resumed>) = 0 [pid 6178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6176] <... close resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6179] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6178] close(4 [pid 6176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 6179] <... openat resumed>) = 4 [pid 6178] <... close resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 4999] close(3./strace-static-x86_64: Process 6181 attached [pid 6179] ioctl(4, LOOP_SET_FD, 3 [pid 6178] close(3 [pid 6176] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] set_robust_list(0x5555563db5e0, 24 [pid 6179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6178] <... close resumed>) = 0 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6179] ioctl(4, LOOP_CLR_FD [pid 6178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] fspick(AT_FDCWD, ".", 0 [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] <... ioctl resumed>) = 0 [pid 6178] <... futex resumed>) = 1 [pid 6176] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... futex resumed>) = 0 [pid 6181] <... prctl resumed>) = 0 [pid 6178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] setpgid(0, 0 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6182 [pid 6181] <... setpgid resumed>) = 0 [pid 6178] fspick(AT_FDCWD, ".", 0 [pid 6176] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6180 attached [pid 6178] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] set_robust_list(0x7fc4ee1839e0, 24 [pid 6178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6182 attached [pid 6181] <... openat resumed>) = 3 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] ioctl(4, LOOP_SET_FD, 3 [pid 6178] <... futex resumed>) = 1 [pid 6176] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... futex resumed>) = 0 [pid 6182] set_robust_list(0x5555563db5e0, 24 [pid 6181] write(3, "1000", 4 [pid 6180] memfd_create("syzkaller", 0 [pid 6179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... write resumed>) = 4 [pid 6180] <... memfd_create resumed>) = 3 [pid 6179] close(4 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] close(3 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6179] <... close resumed>) = 0 [pid 6178] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6176] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... prctl resumed>) = 0 [pid 6181] <... close resumed>) = 0 [pid 6180] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6179] close(3 [pid 6178] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6182] setpgid(0, 0 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6179] <... close resumed>) = 0 [pid 6178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... setpgid resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] <... write resumed>) = 262144 [pid 6179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6180] munmap(0x7fc4e5d63000, 262144 [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... openat resumed>) = 3 [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... openat resumed>) = 3 [pid 6181] <... mmap resumed>) = 0x7fc4ee163000 [pid 6180] <... munmap resumed>) = 0 [pid 6179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = 0 [pid 6182] write(3, "1000", 4 [pid 6181] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6180] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6176] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] <... futex resumed>) = 0 [pid 6182] <... write resumed>) = 4 [pid 6181] <... mprotect resumed>) = 0 [pid 6180] <... openat resumed>) = 4 [pid 6179] fspick(AT_FDCWD, ".", 0 [pid 6178] <... openat resumed>) = 3 [pid 6176] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] close(3 [pid 6181] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6180] ioctl(4, LOOP_SET_FD, 3 [pid 6179] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6173] <... futex resumed>) = 0 [pid 6182] <... close resumed>) = 0 [pid 6180] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 1 [pid 6176] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... clone resumed>, parent_tid=[6183], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6183 [pid 6180] ioctl(4, LOOP_CLR_FD [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 0 [pid 6181] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... ioctl resumed>) = 0 [pid 6179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... futex resumed>) = 0 [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6181] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6176] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] <... futex resumed>) = 0 [pid 6182] <... mmap resumed>) = 0x7fc4ee163000 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6178] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6176] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6173] exit_group(0./strace-static-x86_64: Process 6183 attached [pid 6182] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6179] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6178] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = ? [pid 6173] <... exit_group resumed>) = ? [pid 6183] set_robust_list(0x7fc4ee1839e0, 24 [pid 6182] <... mprotect resumed>) = 0 [pid 6180] ioctl(4, LOOP_SET_FD, 3 [pid 6179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = 1 [pid 6176] +++ exited with 0 +++ [pid 6174] <... futex resumed>) = 0 [pid 6180] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6179] <... futex resumed>) = 1 [pid 6178] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... futex resumed>) = 0 [pid 6174] exit_group(0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6180] close(4 [pid 6179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = ? [pid 6175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... exit_group resumed>) = ? [pid 6173] +++ exited with 0 +++ [pid 6183] memfd_create("syzkaller", 0 [pid 6180] <... close resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] +++ exited with 0 +++ [pid 6175] <... futex resumed>) = 0 [pid 6174] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6183] <... memfd_create resumed>) = 3 [pid 6182] <... clone resumed>, parent_tid=[6184], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6184 [pid 6180] close(3 [pid 6179] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6184 attached [pid 6183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6182] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... close resumed>) = 0 [pid 6179] <... openat resumed>) = 3 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6184] set_robust_list(0x7fc4ee1839e0, 24 [pid 6183] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6182] <... futex resumed>) = 0 [pid 6180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6180] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6179] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... write resumed>) = 262144 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6177] <... futex resumed>) = 1 [pid 6184] memfd_create("syzkaller", 0 [pid 6183] munmap(0x7fc4e5d63000, 262144 [pid 6180] fspick(AT_FDCWD, ".", 0 [pid 6179] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... memfd_create resumed>) = 3 [pid 6183] <... munmap resumed>) = 0 [pid 6180] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6179] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6183] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] exit_group(0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6184] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6183] <... openat resumed>) = 4 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = ? [pid 6177] <... futex resumed>) = 0 [pid 6175] <... exit_group resumed>) = ? [pid 5004] <... openat resumed>) = 3 [pid 6184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6183] ioctl(4, LOOP_SET_FD, 3 [pid 6180] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] +++ exited with 0 +++ [pid 6177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] +++ exited with 0 +++ [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] <... openat resumed>) = 3 [pid 6183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6183] ioctl(4, LOOP_CLR_FD [pid 6180] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6183] <... ioctl resumed>) = 0 [pid 6180] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] close(3 [pid 6180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 6184] <... write resumed>) = 262144 [pid 6180] <... futex resumed>) = 1 [pid 6177] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5001] close(3 [pid 6184] munmap(0x7fc4e5d63000, 262144 [pid 6180] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6180] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... munmap resumed>) = 0 [pid 6183] ioctl(4, LOOP_SET_FD, 3 [pid 6180] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6184] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6185 [pid 6180] <... futex resumed>) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6180] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 6184] <... openat resumed>) = 4 [pid 6183] close(4 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6186 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6184] ioctl(4, LOOP_SET_FD, 3 [pid 6183] <... close resumed>) = 0 [pid 6180] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6177] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6183] close(3 [pid 6180] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5000] <... ioctl resumed>) = 0 [pid 6180] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6184] ioctl(4, LOOP_CLR_FD [pid 6183] <... close resumed>) = 0 [pid 6180] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] exit_group(0 [pid 5000] close(3./strace-static-x86_64: Process 6185 attached [pid 6184] <... ioctl resumed>) = 0 [pid 6183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = ? [pid 6177] <... exit_group resumed>) = ? [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 6186 attached [pid 6185] set_robust_list(0x5555563db5e0, 24 [pid 6183] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6180] +++ exited with 0 +++ [pid 6177] +++ exited with 0 +++ [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6186] set_robust_list(0x5555563db5e0, 24 [pid 6183] fspick(AT_FDCWD, ".", 0 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6187 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] <... prctl resumed>) = 0 [pid 6183] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... restart_syscall resumed>) = 0 [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] ioctl(4, LOOP_SET_FD, 3 [pid 6183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6186] <... prctl resumed>) = 0 [pid 6185] setpgid(0, 0 [pid 6184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6183] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6181] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] close(4 [pid 6183] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... futex resumed>) = 0 [pid 6183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6184] <... close resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... openat resumed>) = 3 [pid 6184] close(3 [pid 6181] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6186] setpgid(0, 0 [pid 6183] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 5003] <... ioctl resumed>) = 0 [pid 6183] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3./strace-static-x86_64: Process 6187 attached [pid 6185] <... setpgid resumed>) = 0 [pid 6183] <... openat resumed>) = 3 [pid 5003] <... close resumed>) = 0 [pid 6187] set_robust_list(0x5555563db5e0, 24 [pid 6186] <... setpgid resumed>) = 0 [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... close resumed>) = 0 [pid 6183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6185] <... openat resumed>) = 3 [pid 6184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] write(3, "1000", 4 [pid 6187] <... prctl resumed>) = 0 [pid 6186] <... openat resumed>) = 3 [pid 6185] <... write resumed>) = 4 [pid 6184] <... futex resumed>) = 1 [pid 6183] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6182] <... futex resumed>) = 0 [pid 6181] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6188 [pid 6187] setpgid(0, 0 [pid 6186] write(3, "1000", 4 [pid 6185] close(3 [pid 6184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6182] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6186] <... write resumed>) = 4 [pid 6185] <... close resumed>) = 0 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 0 [pid 6181] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] close(3 [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] fspick(AT_FDCWD, ".", 0 [pid 6183] <... futex resumed>) = 0 [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] <... openat resumed>) = 3 [pid 6186] <... close resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6184] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6183] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] exit_group(0./strace-static-x86_64: Process 6188 attached [pid 6187] write(3, "1000", 4 [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = ? [pid 6181] <... exit_group resumed>) = ? [pid 6188] set_robust_list(0x5555563db5e0, 24 [pid 6187] <... write resumed>) = 4 [pid 6186] <... futex resumed>) = 0 [pid 6185] <... mmap resumed>) = 0x7fc4ee163000 [pid 6184] <... futex resumed>) = 1 [pid 6183] +++ exited with 0 +++ [pid 6182] <... futex resumed>) = 0 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6187] close(3 [pid 6185] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6187] <... close resumed>) = 0 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6185] <... mprotect resumed>) = 0 [pid 6184] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6182] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] +++ exited with 0 +++ [pid 6188] <... prctl resumed>) = 0 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... mmap resumed>) = 0x7fc4ee163000 [pid 6185] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6184] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6188] setpgid(0, 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... setpgid resumed>) = 0 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6186] <... mprotect resumed>) = 0 [pid 6185] <... clone resumed>, parent_tid=[6189], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6189 [pid 6184] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] <... mmap resumed>) = 0x7fc4ee163000 [pid 6186] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... openat resumed>) = 3 [pid 6187] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6185] <... futex resumed>) = 0 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6188] write(3, "1000", 4 [pid 6187] <... mprotect resumed>) = 0 [pid 6186] <... clone resumed>, parent_tid=[6190], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6190 [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] <... write resumed>) = 4 [pid 6187] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6189 attached [pid 6188] close(3 [pid 6186] <... futex resumed>) = 0 [pid 6184] <... openat resumed>) = 3 [pid 6188] <... close resumed>) = 0 [pid 6187] <... clone resumed>, parent_tid=[6191], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6191 [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6189] set_robust_list(0x7fc4ee1839e0, 24 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6184] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6188] <... mmap resumed>) = 0x7fc4ee163000 [pid 6188] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6188] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6192], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6192 [pid 6188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6188] <... futex resumed>) = 0 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6182] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 6184] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6184] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 6184] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6184] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] exit_group(0./strace-static-x86_64: Process 6192 attached [pid 6192] set_robust_list(0x7fc4ee1839e0, 24 [pid 6184] <... futex resumed>) = ? [pid 6182] <... exit_group resumed>) = ? [pid 6184] +++ exited with 0 +++ [pid 6192] <... set_robust_list resumed>) = 0 [pid 6192] memfd_create("syzkaller", 0) = 3 [pid 6192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6182] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6193 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6192] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6194 [pid 6189] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6191 attached ) = 3 [pid 6191] set_robust_list(0x7fc4ee1839e0, 24 [pid 6189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6191] memfd_create("syzkaller", 0) = 3 [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6189] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 6190 attached [pid 6190] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6192] <... write resumed>) = 262144 [pid 6191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 6194 attached ./strace-static-x86_64: Process 6193 attached ) = 262144 [pid 6190] memfd_create("syzkaller", 0 [pid 6189] <... write resumed>) = 262144 [pid 6194] set_robust_list(0x5555563db5e0, 24 [pid 6193] set_robust_list(0x5555563db5e0, 24 [pid 6190] <... memfd_create resumed>) = 3 [pid 6189] munmap(0x7fc4e5d63000, 262144 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6192] munmap(0x7fc4e5d63000, 262144 [pid 6190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6192] <... munmap resumed>) = 0 [pid 6191] munmap(0x7fc4e5d63000, 262144 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6190] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6189] <... munmap resumed>) = 0 [pid 6194] <... prctl resumed>) = 0 [pid 6193] <... prctl resumed>) = 0 [pid 6192] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6191] <... munmap resumed>) = 0 [pid 6192] <... openat resumed>) = 4 [pid 6191] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6192] ioctl(4, LOOP_SET_FD, 3 [pid 6189] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6194] setpgid(0, 0 [pid 6193] setpgid(0, 0 [pid 6192] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6191] <... openat resumed>) = 4 [pid 6190] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6194] <... setpgid resumed>) = 0 [pid 6193] <... setpgid resumed>) = 0 [pid 6189] <... openat resumed>) = 4 [pid 6189] ioctl(4, LOOP_SET_FD, 3 [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] ioctl(4, LOOP_CLR_FD [pid 6191] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] <... ioctl resumed>) = 0 [pid 6189] ioctl(4, LOOP_CLR_FD) = 0 [pid 6194] <... openat resumed>) = 3 [pid 6191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6193] <... openat resumed>) = 3 [pid 6194] write(3, "1000", 4 [pid 6193] write(3, "1000", 4 [pid 6191] ioctl(4, LOOP_CLR_FD [pid 6190] <... write resumed>) = 262144 [pid 6194] <... write resumed>) = 4 [pid 6193] <... write resumed>) = 4 [pid 6191] <... ioctl resumed>) = 0 [pid 6190] munmap(0x7fc4e5d63000, 262144 [pid 6194] close(3 [pid 6193] close(3 [pid 6192] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6189] ioctl(4, LOOP_SET_FD, 3 [pid 6194] <... close resumed>) = 0 [pid 6193] <... close resumed>) = 0 [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] close(4 [pid 6190] <... munmap resumed>) = 0 [pid 6189] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6192] <... close resumed>) = 0 [pid 6190] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6189] close(4 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6192] close(3 [pid 6191] ioctl(4, LOOP_SET_FD, 3 [pid 6190] <... openat resumed>) = 4 [pid 6194] <... mmap resumed>) = 0x7fc4ee163000 [pid 6193] <... mmap resumed>) = 0x7fc4ee163000 [pid 6192] <... close resumed>) = 0 [pid 6191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6190] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... close resumed>) = 0 [pid 6194] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6193] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] close(4 [pid 6190] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6189] close(3 [pid 6194] <... mprotect resumed>) = 0 [pid 6193] <... mprotect resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... close resumed>) = 0 [pid 6190] ioctl(4, LOOP_CLR_FD [pid 6188] <... futex resumed>) = 0 [pid 6192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] close(3 [pid 6188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6193] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... close resumed>) = 0 [pid 6190] <... ioctl resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6192] fspick(AT_FDCWD, ".", 0 [pid 6191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] <... clone resumed>, parent_tid=[6195], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6195 [pid 6193] <... clone resumed>, parent_tid=[6196], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6196 [pid 6192] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6191] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6194] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6195 attached [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] fspick(AT_FDCWD, ".", 0 [pid 6190] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6189] fspick(AT_FDCWD, ".", 0 [pid 6188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6190] close(4 [pid 6189] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... futex resumed>) = 0 [pid 6195] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6192] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... close resumed>) = 0 [pid 6189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] memfd_create("syzkaller", 0 [pid 6192] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6191] <... futex resumed>) = 1 [pid 6190] close(3 [pid 6189] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6195] <... memfd_create resumed>) = 3 [pid 6192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6196 attached [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6196] set_robust_list(0x7fc4ee1839e0, 24 [pid 6195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6190] <... close resumed>) = 0 [pid 6189] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... set_robust_list resumed>) = 0 [pid 6195] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... futex resumed>) = 0 [pid 6196] memfd_create("syzkaller", 0 [pid 6192] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 1 [pid 6189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = 0 [pid 6196] <... memfd_create resumed>) = 3 [pid 6195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6192] <... openat resumed>) = 3 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 6196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6195] <... write resumed>) = 262144 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] fspick(AT_FDCWD, ".", 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... futex resumed>) = 0 [pid 6196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6195] munmap(0x7fc4e5d63000, 262144 [pid 6192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6190] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6189] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6188] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... write resumed>) = 262144 [pid 6195] <... munmap resumed>) = 0 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... openat resumed>) = 3 [pid 6190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... openat resumed>) = 3 [pid 6188] <... futex resumed>) = 0 [pid 6196] munmap(0x7fc4e5d63000, 262144 [pid 6195] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6192] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 1 [pid 6189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] <... futex resumed>) = 0 [pid 6196] <... munmap resumed>) = 0 [pid 6195] <... openat resumed>) = 4 [pid 6192] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 6196] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6195] ioctl(4, LOOP_SET_FD, 3 [pid 6192] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6185] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... openat resumed>) = 4 [pid 6195] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... futex resumed>) = 0 [pid 6196] ioctl(4, LOOP_SET_FD, 3 [pid 6195] ioctl(4, LOOP_CLR_FD [pid 6192] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6190] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6189] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6188] exit_group(0 [pid 6187] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6195] <... ioctl resumed>) = 0 [pid 6192] <... futex resumed>) = ? [pid 6191] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6188] <... exit_group resumed>) = ? [pid 6196] ioctl(4, LOOP_CLR_FD [pid 6192] +++ exited with 0 +++ [pid 6191] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = 1 [pid 6189] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] +++ exited with 0 +++ [pid 6186] <... futex resumed>) = 0 [pid 6196] <... ioctl resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6190] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 6191] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] exit_group(0 [pid 6186] <... futex resumed>) = 0 [pid 6185] exit_group(0 [pid 6195] ioctl(4, LOOP_SET_FD, 3 [pid 6191] <... futex resumed>) = ? [pid 6190] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6187] <... exit_group resumed>) = ? [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... exit_group resumed>) = ? [pid 6189] <... futex resumed>) = ? [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6195] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6191] +++ exited with 0 +++ [pid 6190] <... openat resumed>) = 3 [pid 6187] +++ exited with 0 +++ [pid 6196] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6196] close(4) = 0 [pid 6196] close(3) = 0 [pid 6195] close(4 [pid 6190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... close resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 1 [pid 6195] close(3 [pid 6193] <... futex resumed>) = 0 [pid 6190] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] <... futex resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] <... close resumed>) = 0 [pid 6193] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6196] <... futex resumed>) = 0 [pid 6195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6196] fspick(AT_FDCWD, ".", 0 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6186] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] <... openat resumed>) = 3 [pid 6196] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6190] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... ioctl resumed>) = 0 [pid 6195] fspick(AT_FDCWD, ".", 0 [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5003] <... ioctl resumed>) = 0 [pid 6196] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 5000] close(3 [pid 6195] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6190] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] exit_group(0 [pid 5004] <... close resumed>) = 0 [pid 5003] close(3 [pid 5000] <... close resumed>) = 0 [pid 6196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... futex resumed>) = ? [pid 6186] <... exit_group resumed>) = ? [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6190] +++ exited with 0 +++ [pid 6186] +++ exited with 0 +++ [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6196] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6197 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6198 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6199 [pid 6196] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6195] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 6196] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 6196] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6195] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 6196] <... openat resumed>) = 3 [pid 6195] <... openat resumed>) = 3 [pid 6193] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6200 [pid 6195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6195] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6194] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6195] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6195] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] exit_group(0 [pid 6195] <... futex resumed>) = ? [pid 6194] <... exit_group resumed>) = ? [pid 6196] <... futex resumed>) = 0 [pid 6195] +++ exited with 0 +++ [pid 6194] +++ exited with 0 +++ [pid 6193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6199 attached [pid 6196] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6193] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6199] set_robust_list(0x5555563db5e0, 24 [pid 6196] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... openat resumed>) = 3 [pid 6199] <... set_robust_list resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 6199] <... prctl resumed>) = 0 [pid 4999] close(3 [pid 6199] setpgid(0, 0 [pid 4999] <... close resumed>) = 0 [pid 6199] <... setpgid resumed>) = 0 [pid 6196] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6198 attached [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] exit_group(0 [pid 6199] <... openat resumed>) = 3 [pid 6198] set_robust_list(0x5555563db5e0, 24 [pid 6196] <... futex resumed>) = ? [pid 6193] <... exit_group resumed>) = ? [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6201 ./strace-static-x86_64: Process 6200 attached [pid 6199] write(3, "1000", 4 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6196] +++ exited with 0 +++ [pid 6200] set_robust_list(0x5555563db5e0, 24 [pid 6199] <... write resumed>) = 4 [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] <... set_robust_list resumed>) = 0 [pid 6199] close(3 [pid 6198] <... prctl resumed>) = 0 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6199] <... close resumed>) = 0 [pid 6198] setpgid(0, 0 [pid 6193] +++ exited with 0 +++ [pid 6200] <... prctl resumed>) = 0 [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... setpgid resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6200] setpgid(0, 0 [pid 6199] <... futex resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6200] <... setpgid resumed>) = 0 [pid 6199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6198] <... openat resumed>) = 3 [pid 5002] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6201 attached ./strace-static-x86_64: Process 6197 attached [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... mmap resumed>) = 0x7fc4ee163000 [pid 6198] write(3, "1000", 4 [pid 6200] <... openat resumed>) = 3 [pid 6199] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6198] <... write resumed>) = 4 [pid 6200] write(3, "1000", 4 [pid 6199] <... mprotect resumed>) = 0 [pid 6198] close(3 [pid 6197] set_robust_list(0x5555563db5e0, 24 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6200] <... write resumed>) = 4 [pid 6199] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6198] <... close resumed>) = 0 [pid 6197] <... set_robust_list resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6200] close(3 [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6200] <... close resumed>) = 0 [pid 6199] <... clone resumed>, parent_tid=[6202], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6202 [pid 6198] <... futex resumed>) = 0 [pid 6197] <... prctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6197] setpgid(0, 0 [pid 5002] close(3 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6198] <... mmap resumed>) = 0x7fc4ee163000 [pid 6197] <... setpgid resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6198] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] <... mmap resumed>) = 0x7fc4ee163000 [pid 6198] <... mprotect resumed>) = 0 [pid 6197] <... openat resumed>) = 3 [pid 6200] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6198] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6197] write(3, "1000", 4 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6203 [pid 6200] <... mprotect resumed>) = 0 [pid 6197] <... write resumed>) = 4 [pid 6200] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6198] <... clone resumed>, parent_tid=[6204], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6204 [pid 6197] close(3 [pid 6198] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... close resumed>) = 0 [pid 6200] <... clone resumed>, parent_tid=[6205], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6205 [pid 6198] <... futex resumed>) = 0 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] set_robust_list(0x5555563db5e0, 24 [pid 6200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6197] <... futex resumed>) = 0 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6197] <... mmap resumed>) = 0x7fc4ee163000 [pid 6201] <... prctl resumed>) = 0 [pid 6197] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6201] setpgid(0, 0 [pid 6197] <... mprotect resumed>) = 0 [pid 6201] <... setpgid resumed>) = 0 [pid 6197] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6202 attached ) = 3 [pid 6197] <... clone resumed>, parent_tid=[6206], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6206 [pid 6201] write(3, "1000", 4 [pid 6197] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] set_robust_list(0x7fc4ee1839e0, 24 [pid 6201] <... write resumed>) = 4 [pid 6197] <... futex resumed>) = 0 [pid 6201] close(3 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6201] <... close resumed>) = 0 [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6201] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] <... mprotect resumed>) = 0 [pid 6201] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6202] memfd_create("syzkaller", 0) = 3 [pid 6201] <... clone resumed>, parent_tid=[6207], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6207 [pid 6201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6203 attached [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... futex resumed>) = 0 [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6206 attached [pid 6206] set_robust_list(0x7fc4ee1839e0, 24 [pid 6202] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6206] memfd_create("syzkaller", 0) = 3 [pid 6206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6203] set_robust_list(0x5555563db5e0, 24 [pid 6202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 6205 attached ./strace-static-x86_64: Process 6204 attached [pid 6206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] <... write resumed>) = 262144 [pid 6204] set_robust_list(0x7fc4ee1839e0, 24 [pid 6205] set_robust_list(0x7fc4ee1839e0, 24 [pid 6203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] munmap(0x7fc4e5d63000, 262144 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6203] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6207 attached [pid 6207] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6207] memfd_create("syzkaller", 0) = 3 [pid 6204] memfd_create("syzkaller", 0 [pid 6203] setpgid(0, 0 [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6205] memfd_create("syzkaller", 0 [pid 6203] <... setpgid resumed>) = 0 [pid 6204] <... memfd_create resumed>) = 3 [pid 6207] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] <... memfd_create resumed>) = 3 [pid 6204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6203] <... openat resumed>) = 3 [pid 6206] <... write resumed>) = 262144 [pid 6206] munmap(0x7fc4e5d63000, 262144 [pid 6207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6206] <... munmap resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6206] ioctl(4, LOOP_SET_FD, 3 [pid 6207] <... write resumed>) = 262144 [pid 6206] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6206] ioctl(4, LOOP_CLR_FD) = 0 [pid 6207] munmap(0x7fc4e5d63000, 262144) = 0 [pid 6207] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6206] close(4) = 0 [pid 6207] <... openat resumed>) = 4 [pid 6206] close(3 [pid 6207] ioctl(4, LOOP_SET_FD, 3 [pid 6206] <... close resumed>) = 0 [pid 6207] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] ioctl(4, LOOP_CLR_FD [pid 6206] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6207] <... ioctl resumed>) = 0 [pid 6206] fspick(AT_FDCWD, ".", 0 [pid 6197] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6197] <... futex resumed>) = 0 [pid 6206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... futex resumed>) = 0 [pid 6206] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6207] ioctl(4, LOOP_SET_FD, 3 [pid 6206] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6197] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6206] <... openat resumed>) = 3 [pid 6205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6204] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6203] write(3, "1000", 4 [pid 6197] <... futex resumed>) = 0 [pid 6202] <... munmap resumed>) = 0 [pid 6207] close(4 [pid 6206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... close resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] close(3 [pid 6206] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6197] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... close resumed>) = 0 [pid 6206] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6205] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6197] <... futex resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6204] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6203] <... write resumed>) = 4 [pid 6202] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6201] <... futex resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] exit_group(0 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = ? [pid 6201] <... futex resumed>) = 0 [pid 6197] <... exit_group resumed>) = ? [pid 6207] fspick(AT_FDCWD, ".", 0 [pid 6206] +++ exited with 0 +++ [pid 6205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6203] close(3 [pid 6202] <... openat resumed>) = 4 [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6197] +++ exited with 0 +++ [pid 6207] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] <... write resumed>) = 262144 [pid 6201] <... futex resumed>) = 0 [pid 6203] <... close resumed>) = 0 [pid 6202] ioctl(4, LOOP_SET_FD, 3 [pid 6207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 6207] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6207] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... ioctl resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 6207] <... futex resumed>) = 1 [pid 6201] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] <... write resumed>) = 262144 [pid 6204] munmap(0x7fc4e5d63000, 262144 [pid 6203] <... futex resumed>) = 0 [pid 6202] ioctl(4, LOOP_CLR_FD [pid 6201] <... futex resumed>) = 0 [pid 6207] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6208 [pid 6203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6207] <... openat resumed>) = 3 [pid 6202] <... ioctl resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6205] munmap(0x7fc4e5d63000, 262144 [pid 6203] <... mmap resumed>) = 0x7fc4ee163000 [pid 6201] <... futex resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... munmap resumed>) = 0 [pid 6201] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 0 [pid 6207] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6201] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6207] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6201] <... futex resumed>) = 0 [pid 6207] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] exit_group(0 [pid 6207] <... futex resumed>) = ? [pid 6201] <... exit_group resumed>) = ? [pid 6207] +++ exited with 0 +++ [pid 6205] <... munmap resumed>) = 0 [pid 6204] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6203] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6201] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6204] <... openat resumed>) = 4 [pid 6203] <... mprotect resumed>) = 0 [pid 6202] ioctl(4, LOOP_SET_FD, 3 [pid 6204] ioctl(4, LOOP_SET_FD, 3 [pid 6203] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6205] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6202] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6202] close(4 [pid 4999] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6204] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6203] <... clone resumed>, parent_tid=[6209], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6209 [pid 6202] <... close resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6205] <... openat resumed>) = 4 [pid 6204] ioctl(4, LOOP_CLR_FD [pid 6203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] close(3 [pid 4999] close(3 [pid 6204] <... ioctl resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6205] ioctl(4, LOOP_SET_FD, 3 [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6202] <... close resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6210 [pid 6205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] ioctl(4, LOOP_CLR_FD [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6209 attached [pid 6209] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6209] memfd_create("syzkaller", 0 [pid 6205] <... ioctl resumed>) = 0 [pid 6202] fspick(AT_FDCWD, ".", 0 [pid 6204] ioctl(4, LOOP_SET_FD, 3 [pid 6202] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(4 [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6210 attached [pid 6204] <... close resumed>) = 0 [pid 6202] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] set_robust_list(0x5555563db5e0, 24 [pid 6204] close(3 [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6199] <... futex resumed>) = 0 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] <... memfd_create resumed>) = 3 [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6210] <... prctl resumed>) = 0 [pid 6209] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6210] setpgid(0, 0 [pid 6204] <... close resumed>) = 0 [pid 6202] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6210] <... setpgid resumed>) = 0 [pid 6205] ioctl(4, LOOP_SET_FD, 3 [pid 6204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6204] <... futex resumed>) = 1 [pid 6202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6208 attached [pid 6210] <... openat resumed>) = 3 [pid 6205] close(4 [pid 6204] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6198] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] write(3, "1000", 4 [pid 6205] <... close resumed>) = 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6210] <... write resumed>) = 4 [pid 6208] set_robust_list(0x5555563db5e0, 24 [pid 6205] close(3 [pid 6204] fspick(AT_FDCWD, ".", 0 [pid 6202] <... openat resumed>) = 3 [pid 6199] <... futex resumed>) = 0 [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] close(3 [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] <... close resumed>) = 0 [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... close resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] <... write resumed>) = 262144 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... futex resumed>) = 1 [pid 6204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = 0 [pid 6209] munmap(0x7fc4e5d63000, 262144 [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6210] <... mmap resumed>) = 0x7fc4ee163000 [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... futex resumed>) = 1 [pid 6202] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... futex resumed>) = 0 [pid 6210] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6209] <... munmap resumed>) = 0 [pid 6208] <... prctl resumed>) = 0 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6198] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... mprotect resumed>) = 0 [pid 6209] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6205] fspick(AT_FDCWD, ".", 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] setpgid(0, 0 [pid 6198] <... futex resumed>) = 0 [pid 6210] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6209] <... openat resumed>) = 4 [pid 6205] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6204] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6202] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... setpgid resumed>) = 0 [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6202] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... clone resumed>, parent_tid=[6211], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6211 [pid 6210] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6205] <... futex resumed>) = 1 [pid 6204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] ioctl(4, LOOP_CLR_FD [pid 6205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] <... futex resumed>) = 1 [pid 6202] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] exit_group(0 [pid 6198] <... futex resumed>) = 0 [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6209] <... ioctl resumed>) = 0 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... futex resumed>) = ? [pid 6200] <... futex resumed>) = 0 [pid 6199] <... exit_group resumed>) = ? [pid 6198] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] +++ exited with 0 +++ [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6199] +++ exited with 0 +++ [pid 6198] <... futex resumed>) = 0 [pid 6205] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6204] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] <... openat resumed>) = 3 [pid 6200] <... futex resumed>) = 0 [pid 6205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6208] <... openat resumed>) = 3 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6208] write(3, "1000", 4 [pid 6205] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6204] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6198] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 6209] close(4 [pid 6198] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 6209] <... close resumed>) = 0 [pid 6208] <... write resumed>) = 4 [pid 6205] <... openat resumed>) = 3 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... close resumed>) = 0 [pid 6209] close(3 [pid 6208] close(3 [pid 6205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6209] <... close resumed>) = 0 [pid 6208] <... close resumed>) = 0 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6200] <... futex resumed>) = 0 [pid 6209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6212 [pid 6209] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 0 [pid 6209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6204] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] exit_group(0./strace-static-x86_64: Process 6211 attached [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6205] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6204] <... futex resumed>) = ? [pid 6203] <... futex resumed>) = 0 [pid 6198] <... exit_group resumed>) = ? [pid 6211] set_robust_list(0x7fc4ee1839e0, 24 [pid 6209] fspick(AT_FDCWD, ".", 0 [pid 6208] <... mmap resumed>) = 0x7fc4ee163000 [pid 6205] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] +++ exited with 0 +++ [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] +++ exited with 0 +++ [pid 6211] <... set_robust_list resumed>) = 0 [pid 6209] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6208] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6205] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6211] memfd_create("syzkaller", 0 [pid 6209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] exit_group(0 [pid 6211] <... memfd_create resumed>) = 3 [pid 6209] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [pid 6200] <... exit_group resumed>) = ? [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] <... mprotect resumed>) = 0 [pid 6205] <... futex resumed>) = ? [pid 6203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6211] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6203] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6209] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6205] +++ exited with 0 +++ [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6200] +++ exited with 0 +++ [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6211] <... write resumed>) = 262144 [pid 6209] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... clone resumed>, parent_tid=[6213], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6213 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... ioctl resumed>) = 0 [pid 6209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 6209] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 6211] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 6212 attached ) = 0 [pid 6209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6212] set_robust_list(0x5555563db5e0, 24 [pid 6211] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6211] <... openat resumed>) = 4 [pid 6209] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6214 [pid 6211] ioctl(4, LOOP_SET_FD, 3 [pid 6209] <... openat resumed>) = 3 [pid 5001] <... ioctl resumed>) = 0 [pid 6211] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6211] ioctl(4, LOOP_CLR_FD [pid 6209] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6211] <... ioctl resumed>) = 0 [pid 6209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6213 attached [pid 6209] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6203] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6215 [pid 6213] set_robust_list(0x7fc4ee1839e0, 24 [pid 6209] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6213] <... set_robust_list resumed>) = 0 [pid 6209] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] memfd_create("syzkaller", 0 [pid 6209] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [pid 6213] <... memfd_create resumed>) = 3 [pid 6209] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] exit_group(0 [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6211] ioctl(4, LOOP_SET_FD, 3 [pid 6209] <... futex resumed>) = ? [pid 6203] <... exit_group resumed>) = ? [pid 6213] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6211] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6209] +++ exited with 0 +++ [pid 6203] +++ exited with 0 +++ [pid 6213] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6211] close(4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6211] <... close resumed>) = 0 [pid 6211] close(3) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6214 attached [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6211] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6214] set_robust_list(0x5555563db5e0, 24 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 5002] close(3 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6211] fspick(AT_FDCWD, ".", 0 [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 6215 attached [pid 6213] <... write resumed>) = 262144 [pid 6211] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6215] set_robust_list(0x5555563db5e0, 24 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] munmap(0x7fc4e5d63000, 262144 [pid 6212] <... prctl resumed>) = 0 [pid 6211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... prctl resumed>) = 0 [pid 6213] <... munmap resumed>) = 0 [pid 6212] setpgid(0, 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6216 [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6211] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... prctl resumed>) = 0 [pid 6213] <... openat resumed>) = 4 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6215] setpgid(0, 0 [pid 6214] setpgid(0, 0 [pid 6213] ioctl(4, LOOP_SET_FD, 3 [pid 6212] <... setpgid resumed>) = 0 [pid 6211] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... setpgid resumed>) = 0 [pid 6214] <... setpgid resumed>) = 0 [pid 6213] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6211] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] ioctl(4, LOOP_CLR_FD [pid 6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... openat resumed>) = 3 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... ioctl resumed>) = 0 [pid 6212] <... openat resumed>) = 3 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6215] write(3, "1000", 4 [pid 6211] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... write resumed>) = 4 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6215] close(3 [pid 6214] <... openat resumed>) = 3 [pid 6212] write(3, "1000", 4 [pid 6211] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... close resumed>) = 0 [pid 6214] write(3, "1000", 4 [pid 6212] <... write resumed>) = 4 [pid 6211] <... openat resumed>) = 3 [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... write resumed>) = 4 [pid 6212] close(3 [pid 6211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6214] close(3 [pid 6213] ioctl(4, LOOP_SET_FD, 3 [pid 6212] <... close resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] <... close resumed>) = 0 [pid 6213] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... mmap resumed>) = 0x7fc4ee163000 [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] close(4 [pid 6212] <... futex resumed>) = 0 [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6215] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6214] <... futex resumed>) = 0 [pid 6213] <... close resumed>) = 0 [pid 6212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6211] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6210] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... mprotect resumed>) = 0 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] close(3 [pid 6212] <... mmap resumed>) = 0x7fc4ee163000 [pid 6211] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6215] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6214] <... mmap resumed>) = 0x7fc4ee163000 [pid 6213] <... close resumed>) = 0 [pid 6212] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6211] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... mprotect resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6215] <... clone resumed>, parent_tid=[6217], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6217 [pid 6214] <... mprotect resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6212] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6211] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] exit_group(0 [pid 6208] <... futex resumed>) = 0 [pid 6215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6213] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 6208] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... clone resumed>, parent_tid=[6218], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6218 [pid 6211] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 6208] <... futex resumed>) = 0 [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6214] <... clone resumed>, parent_tid=[6219], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6219 [pid 6213] fspick(AT_FDCWD, ".", 0 [pid 6212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6212] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6213] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6213] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 6213] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] close(3 [pid 6213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 6219 attached [pid 6213] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6219] set_robust_list(0x7fc4ee1839e0, 24 [pid 6213] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... set_robust_list resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6220 [pid 6219] memfd_create("syzkaller", 0 [pid 6213] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... memfd_create resumed>) = 3 [pid 6213] <... openat resumed>) = 3 [pid 6219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6213] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6213] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... futex resumed>) = 0 [pid 6219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6213] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6208] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6217 attached [pid 6213] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6218 attached ./strace-static-x86_64: Process 6216 attached [pid 6219] <... write resumed>) = 262144 [pid 6217] set_robust_list(0x7fc4ee1839e0, 24 [pid 6213] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6217] memfd_create("syzkaller", 0 [pid 6213] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] exit_group(0 [pid 6218] set_robust_list(0x7fc4ee1839e0, 24 [pid 6217] <... memfd_create resumed>) = 3 [pid 6213] <... futex resumed>) = ? [pid 6208] <... exit_group resumed>) = ? [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6216] set_robust_list(0x5555563db5e0, 24 [pid 6213] +++ exited with 0 +++ [pid 6208] +++ exited with 0 +++ [pid 6217] <... mmap resumed>) = 0x7fc4e5d63000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6219] munmap(0x7fc4e5d63000, 262144 [pid 6218] memfd_create("syzkaller", 0 [pid 6217] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6219] <... munmap resumed>) = 0 [pid 6218] <... memfd_create resumed>) = 3 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6219] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6216] <... prctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6219] <... openat resumed>) = 4 [pid 6218] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6216] setpgid(0, 0 [pid 5004] <... openat resumed>) = 3 [pid 6219] ioctl(4, LOOP_SET_FD, 3 [pid 5004] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6220 attached [pid 6219] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... ioctl resumed>) = 0 [pid 6220] set_robust_list(0x5555563db5e0, 24 [pid 6219] ioctl(4, LOOP_CLR_FD [pid 5004] close(3 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] <... ioctl resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] <... write resumed>) = 262144 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6220] <... prctl resumed>) = 0 [pid 6218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6216] <... setpgid resumed>) = 0 [pid 6220] setpgid(0, 0 [pid 6219] ioctl(4, LOOP_SET_FD, 3 [pid 6217] munmap(0x7fc4e5d63000, 262144 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6221 [pid 6220] <... setpgid resumed>) = 0 [pid 6219] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6217] <... munmap resumed>) = 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] close(4 [pid 6218] <... write resumed>) = 262144 [pid 6217] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6221 attached [pid 6220] <... openat resumed>) = 3 [pid 6219] <... close resumed>) = 0 [pid 6218] munmap(0x7fc4e5d63000, 262144 [pid 6217] <... openat resumed>) = 4 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] write(3, "1000", 4 [pid 6219] close(3 [pid 6217] ioctl(4, LOOP_SET_FD, 3 [pid 6220] <... write resumed>) = 4 [pid 6219] <... close resumed>) = 0 [pid 6218] <... munmap resumed>) = 0 [pid 6217] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] <... openat resumed>) = 3 [pid 6220] close(3 [pid 6219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6217] ioctl(4, LOOP_CLR_FD [pid 6216] write(3, "1000", 4 [pid 6220] <... close resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6218] <... openat resumed>) = 4 [pid 6217] <... ioctl resumed>) = 0 [pid 6216] <... write resumed>) = 4 [pid 6214] <... futex resumed>) = 0 [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... futex resumed>) = 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6220] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6220] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6222], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6222 [pid 6220] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6216] close(3 [pid 6218] ioctl(4, LOOP_SET_FD, 3 [pid 6221] set_robust_list(0x5555563db5e0, 24 [pid 6214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] ioctl(4, LOOP_SET_FD, 3 [pid 6214] <... futex resumed>) = 1 [pid 6216] <... close resumed>) = 0 [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6217] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6218] ioctl(4, LOOP_CLR_FD [pid 6216] <... futex resumed>) = 0 [pid 6219] fspick(AT_FDCWD, ".", 0 [pid 6218] <... ioctl resumed>) = 0 [pid 6217] close(4 [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... close resumed>) = 0 [pid 6219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] close(3 [pid 6216] <... mmap resumed>) = 0x7fc4ee163000 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6217] <... close resumed>) = 0 [pid 6216] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6214] <... futex resumed>) = 0 [pid 6219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mprotect resumed>) = 0 [pid 6214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] <... futex resumed>) = 1 [pid 6216] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6218] ioctl(4, LOOP_SET_FD, 3 [pid 6219] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6217] fspick(AT_FDCWD, ".", 0 [pid 6215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6216] <... clone resumed>, parent_tid=[6223], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6223 [pid 6221] <... prctl resumed>) = 0 [pid 6218] close(4 [pid 6216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] setpgid(0, 0 [pid 6219] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6218] <... close resumed>) = 0 [pid 6217] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = 0 [pid 6221] <... setpgid resumed>) = 0 [pid 6219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(3 [pid 6217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 6219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6219] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] <... openat resumed>) = 3 [pid 6218] <... close resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... openat resumed>) = 3 [pid 6219] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6221] write(3, "1000", 4 [pid 6219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... write resumed>) = 4 [pid 6219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] <... openat resumed>) = 3 [pid 6214] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 6221] close(3 [pid 6219] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6218] fspick(AT_FDCWD, ".", 0 [pid 6217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... close resumed>) = 0 [pid 6219] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6218] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6215] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] exit_group(0 [pid 6212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... mmap resumed>) = 0x7fc4ee163000 [pid 6219] <... futex resumed>) = ? [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6214] <... exit_group resumed>) = ? [pid 6212] <... futex resumed>) = 0 [pid 6221] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6219] +++ exited with 0 +++ [pid 6218] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6217] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] +++ exited with 0 +++ [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6221] <... mprotect resumed>) = 0 [pid 6218] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6217] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6222 attached [pid 6221] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6215] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6222] set_robust_list(0x7fc4ee1839e0, 24 [pid 6218] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = ? [pid 6215] <... exit_group resumed>) = ? [pid 6212] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6223 attached [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] <... clone resumed>, parent_tid=[6224], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6224 [pid 6218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] +++ exited with 0 +++ [pid 6215] +++ exited with 0 +++ [pid 6212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 6223] set_robust_list(0x7fc4ee1839e0, 24 [pid 6222] memfd_create("syzkaller", 0 [pid 6221] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] <... memfd_create resumed>) = 3 [pid 6221] <... futex resumed>) = 0 [pid 6218] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 6222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] close(3 [pid 6222] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6218] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6223] memfd_create("syzkaller", 0 [pid 5000] <... close resumed>) = 0 [pid 6222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6223] <... memfd_create resumed>) = 3 [pid 6222] <... write resumed>) = 262144 [pid 6218] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6225 ./strace-static-x86_64: Process 6224 attached [pid 6222] munmap(0x7fc4e5d63000, 262144 [pid 6218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] <... futex resumed>) = 0 [pid 5001] close(3 [pid 6224] set_robust_list(0x7fc4ee1839e0, 24 [pid 6223] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6222] <... munmap resumed>) = 0 [pid 6218] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6212] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6222] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6218] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] memfd_create("syzkaller", 0 [pid 6222] <... openat resumed>) = 4 [pid 6218] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... memfd_create resumed>) = 3 [pid 6222] ioctl(4, LOOP_SET_FD, 3 [pid 6218] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6226 [pid 6224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6222] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6218] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] exit_group(0 [pid 6224] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6222] ioctl(4, LOOP_CLR_FD [pid 6218] <... futex resumed>) = ? [pid 6212] <... exit_group resumed>) = ? [pid 6224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6222] <... ioctl resumed>) = 0 [pid 6218] +++ exited with 0 +++ [pid 6212] +++ exited with 0 +++ [pid 6223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 6223] <... write resumed>) = 262144 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6223] munmap(0x7fc4e5d63000, 262144 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 6224] <... write resumed>) = 262144 [pid 6222] ioctl(4, LOOP_SET_FD, 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] munmap(0x7fc4e5d63000, 262144 [pid 6223] <... munmap resumed>) = 0 [pid 6222] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6224] <... munmap resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6222] close(4 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6227 ./strace-static-x86_64: Process 6226 attached [pid 6224] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6222] <... close resumed>) = 0 [pid 6226] set_robust_list(0x5555563db5e0, 24 [pid 6224] <... openat resumed>) = 4 [pid 6223] <... openat resumed>) = 4 [pid 6222] close(3 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6224] ioctl(4, LOOP_SET_FD, 3 [pid 6223] ioctl(4, LOOP_SET_FD, 3 [pid 6222] <... close resumed>) = 0 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6223] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... prctl resumed>) = 0 [pid 6224] ioctl(4, LOOP_CLR_FD [pid 6222] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6226] setpgid(0, 0 [pid 6224] <... ioctl resumed>) = 0 [pid 6222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] ioctl(4, LOOP_CLR_FD [pid 6226] <... setpgid resumed>) = 0 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... ioctl resumed>) = 0 [pid 6222] fspick(AT_FDCWD, ".", 0 [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6227 attached [pid 6226] <... openat resumed>) = 3 [pid 6222] <... fspick resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6225 attached [pid 6227] set_robust_list(0x5555563db5e0, 24 [pid 6226] write(3, "1000", 4 [pid 6222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] <... write resumed>) = 4 [pid 6222] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] close(3 [pid 6225] set_robust_list(0x5555563db5e0, 24 [pid 6224] ioctl(4, LOOP_SET_FD, 3 [pid 6222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... prctl resumed>) = 0 [pid 6226] <... close resumed>) = 0 [pid 6224] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6227] setpgid(0, 0 [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(4 [pid 6222] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... setpgid resumed>) = 0 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = 0 [pid 6222] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] close(3 [pid 6223] ioctl(4, LOOP_SET_FD, 3 [pid 6222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... openat resumed>) = 3 [pid 6226] <... mmap resumed>) = 0x7fc4ee163000 [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] <... close resumed>) = 0 [pid 6222] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6223] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6227] write(3, "1000", 4 [pid 6226] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... write resumed>) = 4 [pid 6226] <... mprotect resumed>) = 0 [pid 6225] <... prctl resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6223] close(4 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] <... futex resumed>) = 0 [pid 6220] <... futex resumed>) = 0 [pid 6227] close(3 [pid 6226] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6224] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... close resumed>) = 0 [pid 6222] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6221] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] setpgid(0, 0 [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... close resumed>) = 0 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] close(3 [pid 6222] <... openat resumed>) = 3 [pid 6225] <... setpgid resumed>) = 0 [pid 6221] <... futex resumed>) = 0 [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... clone resumed>, parent_tid=[6228], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6228 [pid 6224] fspick(AT_FDCWD, ".", 0 [pid 6222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6222] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] <... futex resumed>) = 0 [pid 6224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... mmap resumed>) = 0x7fc4ee163000 [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6224] <... futex resumed>) = 0 [pid 6223] <... close resumed>) = 0 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... futex resumed>) = 0 [pid 6227] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6224] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... mprotect resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... futex resumed>) = 1 [pid 6222] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6221] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... futex resumed>) = 0 [pid 6227] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6222] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = 0 [pid 6223] fspick(AT_FDCWD, ".", 0 [pid 6222] <... futex resumed>) = 1 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... clone resumed>, parent_tid=[6229], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6229 [pid 6224] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6223] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6222] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] exit_group(0 [pid 6216] <... futex resumed>) = 0 [pid 6227] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = ? [pid 6220] <... exit_group resumed>) = ? [pid 6227] <... futex resumed>) = 0 [pid 6225] <... openat resumed>) = 3 [pid 6224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 0 [pid 6222] +++ exited with 0 +++ [pid 6220] +++ exited with 0 +++ [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] write(3, "1000", 4 [pid 6224] <... futex resumed>) = 1 [pid 6223] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6228 attached [pid 6225] <... write resumed>) = 4 [pid 6224] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6228] set_robust_list(0x7fc4ee1839e0, 24 [pid 6225] close(3 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6221] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6228] <... set_robust_list resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 6224] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6223] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 6228] memfd_create("syzkaller", 0 [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... openat resumed>) = 3 [pid 6223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6228] <... memfd_create resumed>) = 3 [pid 6225] <... futex resumed>) = 0 [pid 6224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 0 [pid 6216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 [pid 6228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6224] <... futex resumed>) = 1 [pid 6223] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6221] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 4999] close(3 [pid 6228] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6225] <... mmap resumed>) = 0x7fc4ee163000 [pid 6224] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... openat resumed>) = 3 [pid 6221] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 ./strace-static-x86_64: Process 6229 attached [pid 6228] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6225] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6229] set_robust_list(0x7fc4ee1839e0, 24 [pid 6228] <... write resumed>) = 262144 [pid 6225] <... mprotect resumed>) = 0 [pid 6224] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6223] <... futex resumed>) = 0 [pid 6221] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] munmap(0x7fc4e5d63000, 262144 [pid 6224] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6223] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6230 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] <... munmap resumed>) = 0 [pid 6225] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6224] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6216] <... futex resumed>) = 0 [pid 6228] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6224] <... futex resumed>) = 1 [pid 6223] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 0 [pid 6216] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... openat resumed>) = 4 [pid 6225] <... clone resumed>, parent_tid=[6231], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6231 [pid 6224] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... futex resumed>) = 0 [pid 6221] exit_group(0 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] ioctl(4, LOOP_SET_FD, 3 [pid 6225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = ? [pid 6223] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... exit_group resumed>) = ? [pid 6229] memfd_create("syzkaller", 0 [pid 6228] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6225] <... futex resumed>) = 0 [pid 6224] +++ exited with 0 +++ [pid 6221] +++ exited with 0 +++ [pid 6216] exit_group(0 [pid 6228] ioctl(4, LOOP_CLR_FD [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6223] <... futex resumed>) = ? [pid 6216] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6228] <... ioctl resumed>) = 0 [pid 6223] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3 [pid 6216] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 6229] <... memfd_create resumed>) = 3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6231 attached [pid 6229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6231] set_robust_list(0x7fc4ee1839e0, 24 [pid 6228] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6232 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6229] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6228] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6231] memfd_create("syzkaller", 0 [pid 6228] close(4 [pid 6231] <... memfd_create resumed>) = 3 [pid 6228] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6228] close(3 [pid 5002] <... openat resumed>) = 3 [pid 6231] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6229] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6228] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6229] <... write resumed>) = 262144 [pid 6228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6229] munmap(0x7fc4e5d63000, 262144 [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 5002] close(3 [pid 6231] <... write resumed>) = 262144 [pid 6229] <... munmap resumed>) = 0 [pid 6228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 [pid 6229] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6229] <... openat resumed>) = 4 [pid 6228] fspick(AT_FDCWD, ".", 0 [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6233 [pid 6231] munmap(0x7fc4e5d63000, 262144 [pid 6229] ioctl(4, LOOP_SET_FD, 3 [pid 6228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... munmap resumed>) = 0 [pid 6229] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6229] ioctl(4, LOOP_CLR_FD [pid 6228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6229] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6232 attached [pid 6231] <... openat resumed>) = 4 [pid 6228] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] set_robust_list(0x5555563db5e0, 24 [pid 6231] ioctl(4, LOOP_SET_FD, 3 [pid 6228] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] ioctl(4, LOOP_CLR_FD [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6232] <... prctl resumed>) = 0 [pid 6231] <... ioctl resumed>) = 0 [pid 6228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] setpgid(0, 0 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6232] <... setpgid resumed>) = 0 [pid 6228] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6230 attached [pid 6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] <... openat resumed>) = 3 [pid 6232] <... openat resumed>) = 3 [pid 6229] ioctl(4, LOOP_SET_FD, 3 [pid 6228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] write(3, "1000", 4 [pid 6231] ioctl(4, LOOP_SET_FD, 3 [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6232] <... write resumed>) = 4 [pid 6231] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(3 [pid 6231] close(4 [pid 6228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6232] <... close resumed>) = 0 [pid 6231] <... close resumed>) = 0 [pid 6228] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6226] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(3 [pid 6228] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6232] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = 0 [pid 6230] set_robust_list(0x5555563db5e0, 24 [pid 6229] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6228] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6233 attached [pid 6232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] close(4 [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6232] <... mmap resumed>) = 0x7fc4ee163000 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... close resumed>) = 0 [pid 6228] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] exit_group(0 [pid 6225] <... futex resumed>) = 0 [pid 6232] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] close(3 [pid 6228] <... futex resumed>) = ? [pid 6226] <... exit_group resumed>) = ? [pid 6225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... mprotect resumed>) = 0 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... prctl resumed>) = 0 [pid 6229] <... close resumed>) = 0 [pid 6228] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 6225] <... futex resumed>) = 0 [pid 6232] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6231] fspick(AT_FDCWD, ".", 0 [pid 6229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6231] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6230] setpgid(0, 0 [pid 6229] <... futex resumed>) = 1 [pid 6227] <... futex resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6232] <... clone resumed>, parent_tid=[6234], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6234 [pid 6231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6227] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] set_robust_list(0x5555563db5e0, 24 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6232] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 1 [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6232] <... futex resumed>) = 0 [pid 6231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] <... openat resumed>) = 3 [pid 6229] fspick(AT_FDCWD, ".", 0 [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] write(3, "1000", 4 [pid 6229] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6234 attached [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] set_robust_list(0x7fc4ee1839e0, 24 [pid 5001] <... openat resumed>) = 3 [pid 6231] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... set_robust_list resumed>) = 0 [pid 6233] <... prctl resumed>) = 0 [pid 6231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6234] memfd_create("syzkaller", 0 [pid 6231] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] setpgid(0, 0 [pid 6225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] close(3 [pid 6234] <... memfd_create resumed>) = 3 [pid 6233] <... setpgid resumed>) = 0 [pid 6231] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6225] <... futex resumed>) = 0 [pid 6234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5001] <... close resumed>) = 0 [pid 6227] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... futex resumed>) = 0 [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 1 [pid 6229] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6231] <... openat resumed>) = 3 [pid 6229] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6234] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6227] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 1 [pid 6229] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 6229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... openat resumed>) = 3 [pid 6227] <... futex resumed>) = 0 [pid 6231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6227] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 1 [pid 6229] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL) = -1 EFAULT (Bad address) [pid 6229] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = 0 [pid 6227] exit_group(0) = ? [pid 6229] <... futex resumed>) = ? [pid 6234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6233] write(3, "1000", 4 [pid 6231] <... futex resumed>) = 1 [pid 6229] +++ exited with 0 +++ [pid 6227] +++ exited with 0 +++ [pid 6225] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6235 [pid 6230] <... write resumed>) = 4 [pid 6230] close(3) = 0 [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6230] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6225] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6225] <... futex resumed>) = 0 [pid 6231] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6225] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... write resumed>) = 4 [pid 6231] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6233] close(3 [pid 6231] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... close resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... futex resumed>) = 0 [pid 6225] exit_group(0) = ? [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] <... futex resumed>) = ? [pid 6230] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6236], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6236 [pid 6230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6235 attached [pid 6231] +++ exited with 0 +++ [pid 6225] +++ exited with 0 +++ [pid 6233] <... mmap resumed>) = 0x7fc4ee163000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6233] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6234] <... write resumed>) = 262144 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6234] munmap(0x7fc4e5d63000, 262144 [pid 6233] <... mprotect resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5003] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6233] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 6234] <... munmap resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3 [pid 6234] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6233] <... clone resumed>, parent_tid=[6237], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6237 [pid 6235] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5000] <... close resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6238 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6233] <... futex resumed>) = 0 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6234] <... openat resumed>) = 4 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6234] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6239 [pid 6234] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6234] ioctl(4, LOOP_CLR_FD) = 0 [pid 6235] setpgid(0, 0) = 0 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6234] close(4) = 0 [pid 6234] close(3 [pid 6235] <... openat resumed>) = 3 [pid 6235] write(3, "1000", 4) = 4 [pid 6234] <... close resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6238 attached [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6234] fspick(AT_FDCWD, ".", 0 [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6238] set_robust_list(0x5555563db5e0, 24 [pid 6234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... set_robust_list resumed>) = 0 [pid 6234] <... futex resumed>) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6232] <... futex resumed>) = 0 [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... prctl resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6232] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6238] setpgid(0, 0 [pid 6232] <... futex resumed>) = 0 [pid 6235] close(3 [pid 6234] <... openat resumed>) = 3 [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... setpgid resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6232] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6232] <... futex resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6232] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6238] <... openat resumed>) = 3 [pid 6235] <... close resumed>) = 0 [pid 6234] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] exit_group(0 [pid 6238] write(3, "1000", 4 [pid 6232] <... exit_group resumed>) = ? [pid 6234] <... futex resumed>) = ? [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6235] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6238] <... write resumed>) = 4 [pid 6235] <... mprotect resumed>) = 0 [pid 6234] +++ exited with 0 +++ [pid 6232] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6238] close(3) = 0 ./strace-static-x86_64: Process 6239 attached [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6238] <... futex resumed>) = 0 [pid 6239] set_robust_list(0x5555563db5e0, 24 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6237 attached ./strace-static-x86_64: Process 6236 attached [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... mmap resumed>) = 0x7fc4ee163000 [pid 6235] <... clone resumed>, parent_tid=[6240], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6240 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6237] set_robust_list(0x7fc4ee1839e0, 24 [pid 6236] set_robust_list(0x7fc4ee1839e0, 24 [pid 6235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5004] close(3 [pid 6239] <... prctl resumed>) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6238] <... mprotect resumed>) = 0 [pid 6237] <... set_robust_list resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6239] setpgid(0, 0 [pid 6236] memfd_create("syzkaller", 0 [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6239] <... setpgid resumed>) = 0 [pid 6238] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6236] <... memfd_create resumed>) = 3 [pid 6237] memfd_create("syzkaller", 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6241 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] <... clone resumed>, parent_tid=[6242], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6242 [pid 6237] <... memfd_create resumed>) = 3 [pid 6236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6239] <... openat resumed>) = 3 [pid 6238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6238] <... futex resumed>) = 0 [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6241 attached ./strace-static-x86_64: Process 6240 attached [pid 6239] write(3, "1000", 4 [pid 6237] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6239] <... write resumed>) = 4 [pid 6239] close(3 [pid 6236] <... write resumed>) = 262144 [pid 6241] set_robust_list(0x5555563db5e0, 24 [pid 6240] set_robust_list(0x7fc4ee1839e0, 24 [pid 6239] <... close resumed>) = 0 [pid 6237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] munmap(0x7fc4e5d63000, 262144 [pid 6239] <... futex resumed>) = 0 [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6237] <... write resumed>) = 262144 [pid 6236] <... munmap resumed>) = 0 [pid 6240] memfd_create("syzkaller", 0 [pid 6239] <... mmap resumed>) = 0x7fc4ee163000 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6240] <... memfd_create resumed>) = 3 [pid 6239] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6237] munmap(0x7fc4e5d63000, 262144 [pid 6236] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6242 attached [pid 6241] <... prctl resumed>) = 0 [pid 6240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6239] <... mprotect resumed>) = 0 [pid 6242] set_robust_list(0x7fc4ee1839e0, 24 [pid 6239] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6237] <... munmap resumed>) = 0 [pid 6236] <... openat resumed>) = 4 [pid 6240] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] setpgid(0, 0 [pid 6237] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6242] memfd_create("syzkaller", 0 [pid 6239] <... clone resumed>, parent_tid=[6243], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6243 [pid 6236] ioctl(4, LOOP_SET_FD, 3 [pid 6242] <... memfd_create resumed>) = 3 [pid 6241] <... setpgid resumed>) = 0 [pid 6239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... openat resumed>) = 4 [pid 6242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6239] <... futex resumed>) = 0 [pid 6236] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6240] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6237] ioctl(4, LOOP_SET_FD, 3 [pid 6241] <... openat resumed>) = 3 [pid 6242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6237] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6236] ioctl(4, LOOP_CLR_FD [pid 6241] write(3, "1000", 4) = 4 [pid 6237] ioctl(4, LOOP_CLR_FD [pid 6242] <... write resumed>) = 262144 [pid 6241] close(3 [pid 6240] <... write resumed>) = 262144 [pid 6237] <... ioctl resumed>) = 0 [pid 6236] <... ioctl resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6240] munmap(0x7fc4e5d63000, 262144 [pid 6242] munmap(0x7fc4e5d63000, 262144 [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... munmap resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6240] <... munmap resumed>) = 0 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6242] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6243 attached ) = 4 [pid 6241] <... mmap resumed>) = 0x7fc4ee163000 [pid 6240] <... openat resumed>) = 4 [pid 6236] ioctl(4, LOOP_SET_FD, 3 [pid 6243] set_robust_list(0x7fc4ee1839e0, 24 [pid 6242] ioctl(4, LOOP_SET_FD, 3 [pid 6241] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6240] ioctl(4, LOOP_SET_FD, 3 [pid 6237] ioctl(4, LOOP_SET_FD, 3 [pid 6236] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6241] <... mprotect resumed>) = 0 [pid 6240] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6243] <... set_robust_list resumed>) = 0 [pid 6237] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6236] close(4 [pid 6243] memfd_create("syzkaller", 0 [pid 6242] ioctl(4, LOOP_CLR_FD [pid 6241] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6240] ioctl(4, LOOP_CLR_FD [pid 6237] close(4 [pid 6236] <... close resumed>) = 0 [pid 6243] <... memfd_create resumed>) = 3 [pid 6242] <... ioctl resumed>) = 0 [pid 6240] <... ioctl resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] close(3 [pid 6243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6241] <... clone resumed>, parent_tid=[6244], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6244 [pid 6237] close(3 [pid 6236] <... close resumed>) = 0 [pid 6241] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6243] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6241] <... futex resumed>) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6242] ioctl(4, LOOP_SET_FD, 3 [pid 6240] ioctl(4, LOOP_SET_FD, 3 [pid 6237] <... futex resumed>) = 1 [pid 6236] fspick(AT_FDCWD, ".", 0 [pid 6233] <... futex resumed>) = 0 [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6242] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6240] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6237] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6233] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] close(4 [pid 6240] close(4 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6240] <... close resumed>) = 0 [pid 6237] fspick(AT_FDCWD, ".", 0 [pid 6236] <... futex resumed>) = 1 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6244 attached [pid 6243] <... write resumed>) = 262144 [pid 6242] close(3 [pid 6240] close(3 [pid 6237] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6236] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] set_robust_list(0x7fc4ee1839e0, 24 [pid 6242] <... close resumed>) = 0 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] munmap(0x7fc4e5d63000, 262144 [pid 6242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... close resumed>) = 0 [pid 6237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] memfd_create("syzkaller", 0 [pid 6243] <... munmap resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6236] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... futex resumed>) = 0 [pid 6244] <... memfd_create resumed>) = 3 [pid 6243] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6244] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6236] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6244] <... write resumed>) = 262144 [pid 6236] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... openat resumed>) = 3 [pid 6236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6243] <... openat resumed>) = 4 [pid 6240] <... futex resumed>) = 1 [pid 6238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] ioctl(4, LOOP_SET_FD, 3 [pid 6242] <... futex resumed>) = 0 [pid 6240] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... futex resumed>) = 1 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6244] munmap(0x7fc4e5d63000, 262144 [pid 6243] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] fspick(AT_FDCWD, ".", 0 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6236] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... munmap resumed>) = 0 [pid 6243] ioctl(4, LOOP_CLR_FD [pid 6242] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6240] fspick(AT_FDCWD, ".", 0 [pid 6237] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6236] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6243] <... ioctl resumed>) = 0 [pid 6242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... openat resumed>) = 4 [pid 6242] <... futex resumed>) = 1 [pid 6240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6244] ioctl(4, LOOP_SET_FD, 3 [pid 6242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] <... futex resumed>) = 1 [pid 6238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] exit_group(0 [pid 6244] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... futex resumed>) = ? [pid 6235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6230] <... exit_group resumed>) = ? [pid 6244] ioctl(4, LOOP_CLR_FD [pid 6243] ioctl(4, LOOP_SET_FD, 3 [pid 6242] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6236] +++ exited with 0 +++ [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] +++ exited with 0 +++ [pid 6244] <... ioctl resumed>) = 0 [pid 6243] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6242] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6240] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6237] <... openat resumed>) = 3 [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6243] close(4 [pid 6242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... close resumed>) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6233] <... futex resumed>) = 0 [pid 6243] close(3 [pid 6242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] <... futex resumed>) = 1 [pid 6238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... close resumed>) = 0 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 6244] ioctl(4, LOOP_SET_FD, 3 [pid 6243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6240] <... openat resumed>) = 3 [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6243] <... futex resumed>) = 1 [pid 6242] <... openat resumed>) = 3 [pid 6240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 0 [pid 6237] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] close(4 [pid 6243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 0 [pid 6239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... close resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 1 [pid 6240] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6235] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6244] close(3 [pid 6243] fspick(AT_FDCWD, ".", 0 [pid 6242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] <... futex resumed>) = 0 [pid 6233] exit_group(0 [pid 4999] <... openat resumed>) = 3 [pid 6244] <... close resumed>) = 0 [pid 6243] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6238] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = ? [pid 6235] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... exit_group resumed>) = ? [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6240] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6238] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] +++ exited with 0 +++ [pid 6244] <... futex resumed>) = 1 [pid 6242] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... futex resumed>) = 1 [pid 6242] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6240] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = 0 [pid 6233] +++ exited with 0 +++ [pid 4999] <... ioctl resumed>) = 0 [pid 6243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... futex resumed>) = 1 [pid 6241] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... futex resumed>) = 1 [pid 6239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 4999] close(3 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] <... futex resumed>) = 1 [pid 6240] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] <... futex resumed>) = 0 [pid 6238] exit_group(0 [pid 6235] exit_group(0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... close resumed>) = 0 [pid 6244] fspick(AT_FDCWD, ".", 0 [pid 6243] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6242] <... futex resumed>) = ? [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] <... futex resumed>) = ? [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... exit_group resumed>) = ? [pid 6235] <... exit_group resumed>) = ? [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6244] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6243] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6242] +++ exited with 0 +++ [pid 6240] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 6235] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 6244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6245 [pid 6243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] close(3 [pid 6244] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6243] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... openat resumed>) = 3 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 6244] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5003] <... ioctl resumed>) = 0 [pid 6244] <... openat resumed>) = 3 [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6245 attached [pid 6244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6246 [pid 6245] set_robust_list(0x5555563db5e0, 24 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... ioctl resumed>) = 0 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6241] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... prctl resumed>) = 0 [pid 6244] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6241] <... futex resumed>) = 0 [pid 5001] close(3 [pid 6243] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6245] setpgid(0, 0 [pid 6244] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6241] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6247 [pid 5001] <... close resumed>) = 0 [pid 6243] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... setpgid resumed>) = 0 [pid 6244] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6246 attached [pid 6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] <... futex resumed>) = 0 [pid 6245] <... openat resumed>) = 3 [pid 6244] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] exit_group(0 [pid 6239] exit_group(0 [pid 6246] set_robust_list(0x5555563db5e0, 24 [pid 6245] write(3, "1000", 4 [pid 6244] <... futex resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 6243] <... futex resumed>) = ? [pid 6239] <... exit_group resumed>) = ? [pid 6245] <... write resumed>) = 4 [pid 6244] +++ exited with 0 +++ [pid 6245] close(3) = 0 [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6241] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 6245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 ./strace-static-x86_64: Process 6247 attached [pid 6245] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6247] set_robust_list(0x5555563db5e0, 24 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] <... mprotect resumed>) = 0 [pid 6239] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6248 [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6245] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6246] <... prctl resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6246] setpgid(0, 0 [pid 5000] <... openat resumed>) = 3 [pid 6246] <... setpgid resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6247] <... prctl resumed>) = 0 [pid 6245] <... clone resumed>, parent_tid=[6249], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6249 [pid 5000] <... ioctl resumed>) = 0 [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] close(3 [pid 6247] setpgid(0, 0 [pid 6245] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6246] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6248 attached [pid 6246] write(3, "1000", 4 [pid 5004] <... openat resumed>) = 3 [pid 6247] <... setpgid resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6246] <... write resumed>) = 4 [pid 6247] <... openat resumed>) = 3 [pid 5004] <... ioctl resumed>) = 0 [pid 6246] close(3 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6250 [pid 5004] close(3 [pid 6248] set_robust_list(0x5555563db5e0, 24 [pid 6247] write(3, "1000", 4 [pid 6246] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] <... write resumed>) = 4 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6246] <... futex resumed>) = 0 [pid 6247] close(3) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6251 [pid 6246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6246] <... mmap resumed>) = 0x7fc4ee163000 [pid 6246] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6248] <... prctl resumed>) = 0 [pid 6247] <... futex resumed>) = 0 [pid 6246] <... mprotect resumed>) = 0 [pid 6248] setpgid(0, 0 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6250 attached [pid 6248] <... setpgid resumed>) = 0 [pid 6247] <... mmap resumed>) = 0x7fc4ee163000 [pid 6246] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6247] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6251 attached ./strace-static-x86_64: Process 6249 attached [pid 6250] set_robust_list(0x5555563db5e0, 24 [pid 6248] <... openat resumed>) = 3 [pid 6247] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6246] <... clone resumed>, parent_tid=[6252], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6252 [pid 6251] set_robust_list(0x5555563db5e0, 24 [pid 6250] <... set_robust_list resumed>) = 0 [pid 6249] set_robust_list(0x7fc4ee1839e0, 24 [pid 6248] write(3, "1000", 4 [pid 6246] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] <... write resumed>) = 4 [pid 6247] <... clone resumed>, parent_tid=[6253], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6253 [pid 6246] <... futex resumed>) = 0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] <... prctl resumed>) = 0 [pid 6249] memfd_create("syzkaller", 0 [pid 6248] close(3 [pid 6247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6251] <... prctl resumed>) = 0 [pid 6250] setpgid(0, 0 [pid 6249] <... memfd_create resumed>) = 3 [pid 6248] <... close resumed>) = 0 [pid 6247] <... futex resumed>) = 0 [pid 6251] setpgid(0, 0 [pid 6250] <... setpgid resumed>) = 0 [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6251] <... setpgid resumed>) = 0 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6248] <... futex resumed>) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6252 attached [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] <... openat resumed>) = 3 [pid 6249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6248] <... mmap resumed>) = 0x7fc4ee163000 [pid 6252] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6251] <... openat resumed>) = 3 [pid 6250] write(3, "1000", 4 [pid 6249] <... write resumed>) = 262144 [pid 6248] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6253 attached [pid 6251] write(3, "1000", 4 [pid 6250] <... write resumed>) = 4 [pid 6253] set_robust_list(0x7fc4ee1839e0, 24 [pid 6252] memfd_create("syzkaller", 0 [pid 6251] <... write resumed>) = 4 [pid 6250] close(3 [pid 6249] munmap(0x7fc4e5d63000, 262144 [pid 6248] <... mprotect resumed>) = 0 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6251] close(3 [pid 6250] <... close resumed>) = 0 [pid 6248] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6251] <... close resumed>) = 0 [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] memfd_create("syzkaller", 0 [pid 6252] <... memfd_create resumed>) = 3 [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... munmap resumed>) = 0 [pid 6253] <... memfd_create resumed>) = 3 [pid 6252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6251] <... futex resumed>) = 0 [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] <... clone resumed>, parent_tid=[6254], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6254 [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6252] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6251] <... mmap resumed>) = 0x7fc4ee163000 [pid 6250] <... mmap resumed>) = 0x7fc4ee163000 [pid 6249] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6254 attached [pid 6253] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6252] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6251] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6250] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6248] <... futex resumed>) = 0 [pid 6254] set_robust_list(0x7fc4ee1839e0, 24 [pid 6253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6252] <... write resumed>) = 262144 [pid 6251] <... mprotect resumed>) = 0 [pid 6250] <... mprotect resumed>) = 0 [pid 6249] <... openat resumed>) = 4 [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] <... write resumed>) = 262144 [pid 6251] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6250] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6252] munmap(0x7fc4e5d63000, 262144 [pid 6249] ioctl(4, LOOP_SET_FD, 3 [pid 6254] memfd_create("syzkaller", 0 [pid 6251] <... clone resumed>, parent_tid=[6255], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6255 [pid 6254] <... memfd_create resumed>) = 3 [pid 6253] munmap(0x7fc4e5d63000, 262144 [pid 6252] <... munmap resumed>) = 0 [pid 6251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... clone resumed>, parent_tid=[6256], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6256 [pid 6249] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6253] <... munmap resumed>) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6250] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6250] <... futex resumed>) = 0 [pid 6253] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6252] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6249] ioctl(4, LOOP_CLR_FD [pid 6253] <... openat resumed>) = 4 [pid 6252] <... openat resumed>) = 4 [pid 6249] <... ioctl resumed>) = 0 [pid 6253] ioctl(4, LOOP_SET_FD, 3 [pid 6252] ioctl(4, LOOP_SET_FD, 3 [pid 6254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6253] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6252] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6253] ioctl(4, LOOP_CLR_FD [pid 6252] ioctl(4, LOOP_CLR_FD [pid 6253] <... ioctl resumed>) = 0 [pid 6252] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6255 attached [pid 6249] ioctl(4, LOOP_SET_FD, 3 [pid 6254] <... write resumed>) = 262144 [pid 6249] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6256 attached [pid 6254] munmap(0x7fc4e5d63000, 262144 [pid 6249] close(4) = 0 [pid 6256] set_robust_list(0x7fc4ee1839e0, 24 [pid 6255] set_robust_list(0x7fc4ee1839e0, 24 [pid 6254] <... munmap resumed>) = 0 [pid 6253] ioctl(4, LOOP_SET_FD, 3 [pid 6252] ioctl(4, LOOP_SET_FD, 3 [pid 6249] close(3 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6253] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6252] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6249] <... close resumed>) = 0 [pid 6256] memfd_create("syzkaller", 0 [pid 6255] memfd_create("syzkaller", 0 [pid 6254] <... openat resumed>) = 4 [pid 6253] close(4 [pid 6252] close(4 [pid 6249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... memfd_create resumed>) = 3 [pid 6255] <... memfd_create resumed>) = 3 [pid 6254] ioctl(4, LOOP_SET_FD, 3 [pid 6253] <... close resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6249] <... futex resumed>) = 1 [pid 6245] <... futex resumed>) = 0 [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] close(3 [pid 6252] close(3 [pid 6249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6245] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6255] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6254] ioctl(4, LOOP_CLR_FD [pid 6253] <... close resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... futex resumed>) = 0 [pid 6256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6254] <... ioctl resumed>) = 0 [pid 6253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] fspick(AT_FDCWD, ".", 0 [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... write resumed>) = 262144 [pid 6255] <... write resumed>) = 262144 [pid 6253] <... futex resumed>) = 1 [pid 6252] <... futex resumed>) = 1 [pid 6249] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... futex resumed>) = 0 [pid 6246] <... futex resumed>) = 0 [pid 6255] munmap(0x7fc4e5d63000, 262144 [pid 6253] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... munmap resumed>) = 0 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6255] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6253] fspick(AT_FDCWD, ".", 0 [pid 6249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] munmap(0x7fc4e5d63000, 262144 [pid 6255] <... openat resumed>) = 4 [pid 6253] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... munmap resumed>) = 0 [pid 6255] ioctl(4, LOOP_SET_FD, 3 [pid 6253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 0 [pid 6249] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6246] <... futex resumed>) = 1 [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6255] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6254] ioctl(4, LOOP_SET_FD, 3 [pid 6253] <... futex resumed>) = 1 [pid 6252] fspick(AT_FDCWD, ".", 0 [pid 6249] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... openat resumed>) = 4 [pid 6255] ioctl(4, LOOP_CLR_FD [pid 6254] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6253] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] ioctl(4, LOOP_SET_FD, 3 [pid 6255] <... ioctl resumed>) = 0 [pid 6254] close(4 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6254] <... close resumed>) = 0 [pid 6253] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6252] <... futex resumed>) = 1 [pid 6249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] ioctl(4, LOOP_CLR_FD [pid 6254] close(3 [pid 6253] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6252] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... ioctl resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] ioctl(4, LOOP_SET_FD, 3 [pid 6254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = 1 [pid 6252] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6249] <... openat resumed>) = 3 [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6254] <... futex resumed>) = 1 [pid 6253] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] ioctl(4, LOOP_SET_FD, 3 [pid 6255] close(4 [pid 6254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6255] <... close resumed>) = 0 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6252] <... futex resumed>) = 1 [pid 6249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] close(4 [pid 6255] close(3 [pid 6254] fspick(AT_FDCWD, ".", 0 [pid 6253] <... openat resumed>) = 3 [pid 6252] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 6255] <... close resumed>) = 0 [pid 6254] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6246] <... futex resumed>) = 0 [pid 6245] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] close(3 [pid 6255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = 1 [pid 6252] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6249] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... close resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6253] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... openat resumed>) = 3 [pid 6251] <... futex resumed>) = 0 [pid 6249] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] <... futex resumed>) = 0 [pid 6245] exit_group(0 [pid 6256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] fspick(AT_FDCWD, ".", 0 [pid 6254] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6253] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6252] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = ? [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... exit_group resumed>) = ? [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6253] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6249] +++ exited with 0 +++ [pid 6246] <... futex resumed>) = 0 [pid 6245] +++ exited with 0 +++ [pid 6256] fspick(AT_FDCWD, ".", 0 [pid 6255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = 1 [pid 6252] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... futex resumed>) = 0 [pid 6246] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6253] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6252] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6251] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6247] exit_group(0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... futex resumed>) = ? [pid 6252] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... exit_group resumed>) = ? [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] +++ exited with 0 +++ [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6247] +++ exited with 0 +++ [pid 6246] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6254] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6252] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] exit_group(0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... openat resumed>) = 3 [pid 6252] <... futex resumed>) = ? [pid 6250] <... futex resumed>) = 0 [pid 6246] <... exit_group resumed>) = ? [pid 6256] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] +++ exited with 0 +++ [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6246] +++ exited with 0 +++ [pid 6256] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6246, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 6256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6254] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... openat resumed>) = 3 [pid 6254] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6250] <... futex resumed>) = 0 [pid 6256] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 6256] <... openat resumed>) = 3 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 4999] close(3 [pid 6256] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] <... futex resumed>) = ? [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6248] <... exit_group resumed>) = ? [pid 5003] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] <... close resumed>) = 0 [pid 6256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6254] +++ exited with 0 +++ [pid 6251] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6255] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6248] +++ exited with 0 +++ [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... ioctl resumed>) = 0 [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] exit_group(0 [pid 6250] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6256] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6255] <... futex resumed>) = ? [pid 6251] <... exit_group resumed>) = ? [pid 6250] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5002] <... close resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6256] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6255] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 5003] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6256] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6257 attached [pid 6257] set_robust_list(0x5555563db5e0, 24) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6257 [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6257] setpgid(0, 0 [pid 6256] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6256] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6259 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6258 [pid 6250] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6250] <... exit_group resumed>) = ? [pid 6256] <... futex resumed>) = ? [pid 5001] <... ioctl resumed>) = 0 [pid 6257] <... setpgid resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6257] write(3, "1000", 4) = 4 [pid 6256] +++ exited with 0 +++ [pid 6250] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5001] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] <... openat resumed>) = 3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] close(3 [pid 6257] close(3) = 0 [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6260 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6257] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... openat resumed>) = 3 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6261 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6257] <... mprotect resumed>) = 0 [pid 6257] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6262 [pid 6257] <... clone resumed>, parent_tid=[6263], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6263 [pid 6257] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6259 attached [pid 6259] set_robust_list(0x5555563db5e0, 24) = 0 ./strace-static-x86_64: Process 6258 attached [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6261 attached ./strace-static-x86_64: Process 6260 attached [pid 6258] set_robust_list(0x5555563db5e0, 24 [pid 6261] set_robust_list(0x5555563db5e0, 24 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] set_robust_list(0x5555563db5e0, 24 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] setpgid(0, 0 [pid 6258] <... prctl resumed>) = 0 [pid 6259] <... setpgid resumed>) = 0 [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6258] setpgid(0, 0 [pid 6261] <... prctl resumed>) = 0 [pid 6258] <... setpgid resumed>) = 0 [pid 6261] setpgid(0, 0./strace-static-x86_64: Process 6262 attached ) = 0 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6259] write(3, "1000", 4 [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6259] <... write resumed>) = 4 [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6260] <... prctl resumed>) = 0 [pid 6258] <... openat resumed>) = 3 [pid 6260] setpgid(0, 0./strace-static-x86_64: Process 6263 attached [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] <... openat resumed>) = 3 [pid 6260] <... setpgid resumed>) = 0 [pid 6259] close(3 [pid 6258] write(3, "1000", 4 [pid 6263] set_robust_list(0x7fc4ee1839e0, 24 [pid 6262] <... prctl resumed>) = 0 [pid 6261] write(3, "1000", 4 [pid 6258] <... write resumed>) = 4 [pid 6261] <... write resumed>) = 4 [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] close(3 [pid 6261] close(3 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] setpgid(0, 0 [pid 6261] <... close resumed>) = 0 [pid 6260] <... openat resumed>) = 3 [pid 6259] <... close resumed>) = 0 [pid 6258] <... close resumed>) = 0 [pid 6263] memfd_create("syzkaller", 0 [pid 6262] <... setpgid resumed>) = 0 [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] write(3, "1000", 4 [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... memfd_create resumed>) = 3 [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6261] <... futex resumed>) = 0 [pid 6260] <... write resumed>) = 4 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6262] <... openat resumed>) = 3 [pid 6261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6260] close(3 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6263] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6262] write(3, "1000", 4 [pid 6261] <... mmap resumed>) = 0x7fc4ee163000 [pid 6260] <... close resumed>) = 0 [pid 6259] <... mmap resumed>) = 0x7fc4ee163000 [pid 6263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6262] <... write resumed>) = 4 [pid 6261] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6258] <... mmap resumed>) = 0x7fc4ee163000 [pid 6263] <... write resumed>) = 262144 [pid 6262] close(3 [pid 6261] <... mprotect resumed>) = 0 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... mprotect resumed>) = 0 [pid 6258] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6263] munmap(0x7fc4e5d63000, 262144 [pid 6262] <... close resumed>) = 0 [pid 6261] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6259] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6263] <... munmap resumed>) = 0 [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... mprotect resumed>) = 0 [pid 6260] <... mmap resumed>) = 0x7fc4ee163000 [pid 6263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6262] <... futex resumed>) = 0 [pid 6261] <... clone resumed>, parent_tid=[6265], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6265 [pid 6259] <... clone resumed>, parent_tid=[6264], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6264 [pid 6263] <... openat resumed>) = 4 [pid 6262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6261] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6259] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6263] ioctl(4, LOOP_SET_FD, 3 [pid 6262] <... mmap resumed>) = 0x7fc4ee163000 [pid 6261] <... futex resumed>) = 0 [pid 6260] <... mprotect resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6263] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6262] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6260] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] ioctl(4, LOOP_CLR_FD [pid 6262] <... mprotect resumed>) = 0 [pid 6258] <... clone resumed>, parent_tid=[6266], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6266 ./strace-static-x86_64: Process 6265 attached [pid 6263] <... ioctl resumed>) = 0 [pid 6262] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6260] <... clone resumed>, parent_tid=[6267], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6267 [pid 6258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] set_robust_list(0x7fc4ee1839e0, 24 [pid 6260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = 0 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6262] <... clone resumed>, parent_tid=[6268], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6268 [pid 6260] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6264 attached [pid 6265] memfd_create("syzkaller", 0 [pid 6262] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6265] <... memfd_create resumed>) = 3 [pid 6262] <... futex resumed>) = 0 [pid 6264] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 6266 attached [pid 6265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6267 attached [pid 6266] set_robust_list(0x7fc4ee1839e0, 24 [pid 6265] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] ioctl(4, LOOP_SET_FD, 3 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6263] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6266] memfd_create("syzkaller", 0 [pid 6264] memfd_create("syzkaller", 0 [pid 6263] close(4 [pid 6266] <... memfd_create resumed>) = 3 [pid 6263] <... close resumed>) = 0 [pid 6266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6263] close(3 [pid 6267] set_robust_list(0x7fc4ee1839e0, 24 [pid 6266] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6264] <... memfd_create resumed>) = 3 [pid 6263] <... close resumed>) = 0 ./strace-static-x86_64: Process 6268 attached [pid 6267] <... set_robust_list resumed>) = 0 [pid 6266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6265] <... write resumed>) = 262144 [pid 6264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] set_robust_list(0x7fc4ee1839e0, 24 [pid 6267] memfd_create("syzkaller", 0 [pid 6263] <... futex resumed>) = 1 [pid 6257] <... futex resumed>) = 0 [pid 6264] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6265] munmap(0x7fc4e5d63000, 262144 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6267] <... memfd_create resumed>) = 3 [pid 6266] <... write resumed>) = 262144 [pid 6263] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] memfd_create("syzkaller", 0 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6268] <... memfd_create resumed>) = 3 [pid 6264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6263] fspick(AT_FDCWD, ".", 0 [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6265] <... munmap resumed>) = 0 [pid 6263] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6266] munmap(0x7fc4e5d63000, 262144 [pid 6263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6267] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6266] <... munmap resumed>) = 0 [pid 6265] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6264] <... write resumed>) = 262144 [pid 6263] <... futex resumed>) = 1 [pid 6257] <... futex resumed>) = 0 [pid 6268] <... write resumed>) = 262144 [pid 6267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6266] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6265] <... openat resumed>) = 4 [pid 6264] munmap(0x7fc4e5d63000, 262144 [pid 6263] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... openat resumed>) = 4 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6265] ioctl(4, LOOP_SET_FD, 3 [pid 6266] ioctl(4, LOOP_SET_FD, 3 [pid 6264] <... munmap resumed>) = 0 [pid 6263] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] munmap(0x7fc4e5d63000, 262144 [pid 6267] <... write resumed>) = 262144 [pid 6266] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6265] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6264] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6263] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... munmap resumed>) = 0 [pid 6267] munmap(0x7fc4e5d63000, 262144 [pid 6266] ioctl(4, LOOP_CLR_FD [pid 6265] ioctl(4, LOOP_CLR_FD [pid 6264] <... openat resumed>) = 4 [pid 6263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6266] <... ioctl resumed>) = 0 [pid 6265] <... ioctl resumed>) = 0 [pid 6264] ioctl(4, LOOP_SET_FD, 3 [pid 6263] <... futex resumed>) = 1 [pid 6257] <... futex resumed>) = 0 [pid 6268] <... openat resumed>) = 4 [pid 6267] <... munmap resumed>) = 0 [pid 6264] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] ioctl(4, LOOP_SET_FD, 3 [pid 6267] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6264] ioctl(4, LOOP_CLR_FD [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6268] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6267] <... openat resumed>) = 4 [pid 6264] <... ioctl resumed>) = 0 [pid 6263] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] ioctl(4, LOOP_CLR_FD [pid 6267] ioctl(4, LOOP_SET_FD, 3 [pid 6265] ioctl(4, LOOP_SET_FD, 3 [pid 6263] <... openat resumed>) = 3 [pid 6268] <... ioctl resumed>) = 0 [pid 6267] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6266] ioctl(4, LOOP_SET_FD, 3 [pid 6265] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] ioctl(4, LOOP_CLR_FD [pid 6266] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] <... futex resumed>) = 1 [pid 6257] <... futex resumed>) = 0 [pid 6266] close(4 [pid 6263] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6257] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... close resumed>) = 0 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6266] close(3 [pid 6263] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6257] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] ioctl(4, LOOP_SET_FD, 3 [pid 6266] <... close resumed>) = 0 [pid 6263] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6268] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] close(4 [pid 6267] <... ioctl resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6265] close(4 [pid 6263] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6268] <... close resumed>) = 0 [pid 6266] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... close resumed>) = 0 [pid 6264] ioctl(4, LOOP_SET_FD, 3 [pid 6263] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] exit_group(0 [pid 6268] close(3 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] close(3 [pid 6264] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6263] <... futex resumed>) = ? [pid 6258] <... futex resumed>) = 0 [pid 6257] <... exit_group resumed>) = ? [pid 6268] <... close resumed>) = 0 [pid 6266] fspick(AT_FDCWD, ".", 0 [pid 6265] <... close resumed>) = 0 [pid 6264] close(4 [pid 6263] +++ exited with 0 +++ [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] +++ exited with 0 +++ [pid 6268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] ioctl(4, LOOP_SET_FD, 3 [pid 6266] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... close resumed>) = 0 [pid 6268] <... futex resumed>) = 1 [pid 6267] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 1 [pid 6264] close(3 [pid 6262] <... futex resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] close(4 [pid 6266] <... futex resumed>) = 1 [pid 6265] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] <... close resumed>) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... close resumed>) = 0 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6268] fspick(AT_FDCWD, ".", 0 [pid 6267] close(3 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] fspick(AT_FDCWD, ".", 0 [pid 6264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6268] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6267] <... close resumed>) = 0 [pid 6266] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6265] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6264] <... futex resumed>) = 1 [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 1 [pid 6266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 1 [pid 6265] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6264] fspick(AT_FDCWD, ".", 0 [pid 6262] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6264] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 6268] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6267] fspick(AT_FDCWD, ".", 0 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6268] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6267] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6266] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6265] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = 1 [pid 6261] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 6268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... openat resumed>) = 3 [pid 6265] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6264] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = 0 [pid 6259] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 6268] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 1 [pid 6266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... openat resumed>) = 3 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 1 [pid 6265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6262] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 0 [pid 6264] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... futex resumed>) = 0 [pid 6261] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6267] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = 0 [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 6268] <... openat resumed>) = 3 [pid 6267] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6266] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6265] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6264] <... futex resumed>) = 1 [pid 6261] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 0 [pid 6258] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6269 [pid 6268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6265] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6269 attached [pid 6268] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 1 [pid 6266] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = 0 [pid 6261] exit_group(0 [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6269] set_robust_list(0x5555563db5e0, 24 [pid 6268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] <... futex resumed>) = 1 [pid 6264] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6262] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... exit_group resumed>) = ? [pid 6260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] +++ exited with 0 +++ [pid 6264] <... openat resumed>) = 3 [pid 6262] <... futex resumed>) = 0 [pid 6258] exit_group(0 [pid 6268] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6266] <... futex resumed>) = ? [pid 6262] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] +++ exited with 0 +++ [pid 6258] <... exit_group resumed>) = ? [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6267] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6266] +++ exited with 0 +++ [pid 6264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 0 [pid 6258] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6261, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6269] <... prctl resumed>) = 0 [pid 6268] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6267] <... openat resumed>) = 3 [pid 6264] <... futex resumed>) = 1 [pid 6262] <... futex resumed>) = 0 [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... futex resumed>) = 0 [pid 6269] setpgid(0, 0 [pid 6268] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] exit_group(0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... setpgid resumed>) = 0 [pid 6268] <... futex resumed>) = ? [pid 6267] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... exit_group resumed>) = ? [pid 6260] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] +++ exited with 0 +++ [pid 6267] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6264] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6262] +++ exited with 0 +++ [pid 6260] <... futex resumed>) = 0 [pid 6259] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6269] <... openat resumed>) = 3 [pid 6267] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6264] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6260] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6267] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] write(3, "1000", 4 [pid 6264] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6269] <... write resumed>) = 4 [pid 6267] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] <... futex resumed>) = 1 [pid 6260] exit_group(0 [pid 6259] <... futex resumed>) = 0 [pid 6269] close(3 [pid 6267] <... futex resumed>) = ? [pid 6264] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] <... exit_group resumed>) = ? [pid 6259] exit_group(0 [pid 5004] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6269] <... close resumed>) = 0 [pid 6267] +++ exited with 0 +++ [pid 6264] <... futex resumed>) = ? [pid 6259] <... exit_group resumed>) = ? [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] +++ exited with 0 +++ [pid 6260] +++ exited with 0 +++ [pid 6259] +++ exited with 0 +++ [pid 5004] close(3 [pid 5002] close(3 [pid 6269] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... close resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6269] <... mmap resumed>) = 0x7fc4ee163000 [pid 5000] <... openat resumed>) = 3 [pid 6269] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6270 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6271 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6269] <... mprotect resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 6269] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] close(3) = 0 [pid 6269] <... clone resumed>, parent_tid=[6272], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6272 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 6269] <... futex resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6273 [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] <... ioctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5003] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5003] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6274 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6275 ./strace-static-x86_64: Process 6275 attached [pid 6275] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6275] setpgid(0, 0) = 0 [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6273 attached [pid 6275] write(3, "1000", 4) = 4 [pid 6273] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 6272 attached [pid 6275] close(3) = 0 [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6272] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6271 attached [pid 6275] <... futex resumed>) = 0 [pid 6272] <... memfd_create resumed>) = 3 [pid 6275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] <... mmap resumed>) = 0x7fc4ee163000 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6275] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6271] set_robust_list(0x5555563db5e0, 24 [pid 6275] <... mprotect resumed>) = 0 [pid 6273] <... prctl resumed>) = 0 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6275] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6273] setpgid(0, 0 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] <... setpgid resumed>) = 0 [pid 6271] <... prctl resumed>) = 0 [pid 6275] <... clone resumed>, parent_tid=[6276], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6276 [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] setpgid(0, 0 [pid 6275] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... openat resumed>) = 3 [pid 6271] <... setpgid resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6273] write(3, "1000", 4 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6273] <... write resumed>) = 4 [pid 6271] <... openat resumed>) = 3 [pid 6273] close(3 [pid 6271] write(3, "1000", 4 [pid 6273] <... close resumed>) = 0 [pid 6271] <... write resumed>) = 4 [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] close(3 [pid 6273] <... futex resumed>) = 0 [pid 6271] <... close resumed>) = 0 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... mmap resumed>) = 0x7fc4ee163000 [pid 6271] <... futex resumed>) = 0 [pid 6273] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6274 attached ./strace-static-x86_64: Process 6270 attached [pid 6273] <... mprotect resumed>) = 0 [pid 6272] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6271] <... mmap resumed>) = 0x7fc4ee163000 [pid 6273] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6271] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6273] <... clone resumed>, parent_tid=[6277], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6277 [pid 6271] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6271] <... clone resumed>, parent_tid=[6278], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6278 [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6271] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6276 attached [pid 6276] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6270] set_robust_list(0x5555563db5e0, 24 [pid 6276] memfd_create("syzkaller", 0 [pid 6274] set_robust_list(0x5555563db5e0, 24 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6276] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6278 attached [pid 6278] set_robust_list(0x7fc4ee1839e0, 24 [pid 6274] <... prctl resumed>) = 0 [pid 6270] setpgid(0, 0 [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6276] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6270] <... setpgid resumed>) = 0 [pid 6274] setpgid(0, 0 [pid 6278] memfd_create("syzkaller", 0 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] <... setpgid resumed>) = 0 [pid 6270] <... openat resumed>) = 3 [pid 6278] <... memfd_create resumed>) = 3 [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6270] write(3, "1000", 4 [pid 6272] <... write resumed>) = 262144 [pid 6270] <... write resumed>) = 4 [pid 6274] <... openat resumed>) = 3 [pid 6272] munmap(0x7fc4e5d63000, 262144 [pid 6270] close(3 [pid 6278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6274] write(3, "1000", 4 [pid 6272] <... munmap resumed>) = 0 [pid 6270] <... close resumed>) = 0 [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... write resumed>) = 4 [pid 6272] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6274] close(3 [pid 6270] <... futex resumed>) = 0 [pid 6276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6274] <... close resumed>) = 0 [pid 6272] <... openat resumed>) = 4 [pid 6270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] ioctl(4, LOOP_SET_FD, 3 [pid 6270] <... mmap resumed>) = 0x7fc4ee163000 [pid 6270] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6274] <... futex resumed>) = 0 [pid 6272] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6270] <... mprotect resumed>) = 0 [pid 6278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6272] ioctl(4, LOOP_CLR_FD [pid 6278] <... write resumed>) = 262144 [pid 6276] <... write resumed>) = 262144 [pid 6274] <... mmap resumed>) = 0x7fc4ee163000 [pid 6272] <... ioctl resumed>) = 0 [pid 6270] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6274] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... clone resumed>, parent_tid=[6279], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6279 [pid 6276] munmap(0x7fc4e5d63000, 262144) = 0 [pid 6274] <... mprotect resumed>) = 0 [pid 6270] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] munmap(0x7fc4e5d63000, 262144 [pid 6270] <... futex resumed>) = 0 [pid 6274] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6278] <... munmap resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6277 attached [pid 6278] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6276] <... openat resumed>) = 4 [pid 6274] <... clone resumed>, parent_tid=[6280], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6280 [pid 6272] ioctl(4, LOOP_SET_FD, 3 [pid 6278] <... openat resumed>) = 4 [pid 6276] ioctl(4, LOOP_SET_FD, 3 [pid 6274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] ioctl(4, LOOP_SET_FD, 3 [pid 6277] set_robust_list(0x7fc4ee1839e0, 24 [pid 6276] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6274] <... futex resumed>) = 0 [pid 6272] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6278] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6276] ioctl(4, LOOP_CLR_FD [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6272] close(4 [pid 6278] ioctl(4, LOOP_CLR_FD [pid 6276] <... ioctl resumed>) = 0 [pid 6278] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6280 attached [pid 6272] <... close resumed>) = 0 [pid 6280] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6280] memfd_create("syzkaller", 0 [pid 6277] <... set_robust_list resumed>) = 0 [pid 6272] close(3 [pid 6278] ioctl(4, LOOP_SET_FD, 3 [pid 6276] ioctl(4, LOOP_SET_FD, 3 [pid 6278] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6276] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6278] close(4 [pid 6276] close(4 [pid 6278] <... close resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6278] close(3 [pid 6276] close(3 [pid 6272] <... close resumed>) = 0 [pid 6278] <... close resumed>) = 0 [pid 6277] memfd_create("syzkaller", 0 [pid 6276] <... close resumed>) = 0 ./strace-static-x86_64: Process 6279 attached [pid 6278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... memfd_create resumed>) = 3 [pid 6280] <... memfd_create resumed>) = 3 [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6279] set_robust_list(0x7fc4ee1839e0, 24 [pid 6280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6278] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] fspick(AT_FDCWD, ".", 0 [pid 6275] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6276] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... futex resumed>) = 0 [pid 6272] fspick(AT_FDCWD, ".", 0 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6278] fspick(AT_FDCWD, ".", 0 [pid 6276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6278] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6276] <... futex resumed>) = 0 [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] <... write resumed>) = 262144 [pid 6278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6276] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] memfd_create("syzkaller", 0 [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6272] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6280] munmap(0x7fc4e5d63000, 262144 [pid 6278] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6271] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... memfd_create resumed>) = 3 [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... munmap resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6278] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... openat resumed>) = 4 [pid 6279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6278] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6272] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6269] <... futex resumed>) = 0 [pid 6280] ioctl(4, LOOP_SET_FD, 3 [pid 6278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6272] <... openat resumed>) = 3 [pid 6271] <... futex resumed>) = 0 [pid 6280] ioctl(4, LOOP_CLR_FD [pid 6278] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6280] <... ioctl resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... openat resumed>) = 3 [pid 6272] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6278] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... openat resumed>) = 3 [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 6278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6269] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6272] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6271] <... futex resumed>) = 0 [pid 6278] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6275] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] ioctl(4, LOOP_SET_FD, 3 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6272] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 6280] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6278] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6277] <... write resumed>) = 262144 [pid 6276] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] exit_group(0 [pid 6280] close(4 [pid 6278] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = ? [pid 6269] <... exit_group resumed>) = ? [pid 6280] <... close resumed>) = 0 [pid 6278] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] munmap(0x7fc4e5d63000, 262144 [pid 6276] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] exit_group(0 [pid 6272] +++ exited with 0 +++ [pid 6269] +++ exited with 0 +++ [pid 6280] close(3 [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = ? [pid 6275] <... exit_group resumed>) = ? [pid 6271] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6280] <... close resumed>) = 0 [pid 6278] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6276] +++ exited with 0 +++ [pid 6275] +++ exited with 0 +++ [pid 6271] exit_group(0 [pid 6280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = ? [pid 6271] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6280] <... futex resumed>) = 1 [pid 6278] +++ exited with 0 +++ [pid 6279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6277] <... munmap resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6271] +++ exited with 0 +++ [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] <... openat resumed>) = 3 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6280] fspick(AT_FDCWD, ".", 0 [pid 6277] <... openat resumed>) = 4 [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 6280] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6277] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4999] close(3 [pid 6280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6277] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6274] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] <... write resumed>) = 262144 [pid 6277] ioctl(4, LOOP_CLR_FD [pid 6274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6277] <... ioctl resumed>) = 0 [pid 6279] munmap(0x7fc4e5d63000, 262144 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6281 [pid 6280] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6280] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6280] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] <... munmap resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6280] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6279] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6282 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] <... openat resumed>) = 3 [pid 6279] <... openat resumed>) = 4 [pid 6280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 6277] ioctl(4, LOOP_SET_FD, 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6283 [pid 6280] <... futex resumed>) = 1 [pid 6279] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6277] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6274] <... futex resumed>) = 0 [pid 6280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6279] ioctl(4, LOOP_CLR_FD [pid 6277] close(4 [pid 6274] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... close resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6280] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6279] <... ioctl resumed>) = 0 [pid 6277] close(3 [pid 6274] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6280] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6280] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] exit_group(0 [pid 6280] <... futex resumed>) = ? [pid 6274] <... exit_group resumed>) = ? [pid 6280] +++ exited with 0 +++ [pid 6277] <... close resumed>) = 0 [pid 6274] +++ exited with 0 +++ [pid 6277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6277] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6277] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6277] fspick(AT_FDCWD, ".", 0 [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 6277] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 6277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 6279] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6277] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 5003] close(3./strace-static-x86_64: Process 6281 attached [pid 6279] close(4 [pid 6277] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 6281] set_robust_list(0x5555563db5e0, 24 [pid 6279] <... close resumed>) = 0 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6281] <... set_robust_list resumed>) = 0 [pid 6279] close(3 [pid 6277] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6283 attached [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6284 [pid 6283] set_robust_list(0x5555563db5e0, 24 [pid 6281] <... prctl resumed>) = 0 [pid 6279] <... close resumed>) = 0 [pid 6277] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... set_robust_list resumed>) = 0 [pid 6281] setpgid(0, 0 [pid 6279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] <... setpgid resumed>) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6283] <... prctl resumed>) = 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] setpgid(0, 0 [pid 6281] <... openat resumed>) = 3 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6283] <... setpgid resumed>) = 0 [pid 6281] write(3, "1000", 4 [pid 6279] fspick(AT_FDCWD, ".", 0 [pid 6277] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] <... write resumed>) = 4 [pid 6279] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... openat resumed>) = 3 [pid 6283] <... openat resumed>) = 3 [pid 6281] close(3 [pid 6279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] write(3, "1000", 4 [pid 6281] <... close resumed>) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = 0 [pid 6283] <... write resumed>) = 4 [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] close(3 [pid 6281] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... futex resumed>) = 0 [pid 6283] <... close resumed>) = 0 [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6279] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6277] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6273] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] <... futex resumed>) = 0 [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... mmap resumed>) = 0x7fc4ee163000 [pid 6279] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6283] <... futex resumed>) = 0 [pid 6281] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6284 attached [pid 6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6281] <... mprotect resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [pid 6270] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6282 attached [pid 6284] set_robust_list(0x5555563db5e0, 24 [pid 6283] <... mmap resumed>) = 0x7fc4ee163000 [pid 6281] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6279] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6277] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] exit_group(0 [pid 6270] <... futex resumed>) = 0 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6277] <... futex resumed>) = ? [pid 6273] <... exit_group resumed>) = ? [pid 6279] <... openat resumed>) = 3 [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6283] <... mprotect resumed>) = 0 [pid 6282] set_robust_list(0x5555563db5e0, 24 [pid 6281] <... clone resumed>, parent_tid=[6285], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6285 [pid 6279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] +++ exited with 0 +++ [pid 6273] +++ exited with 0 +++ [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... prctl resumed>) = 0 [pid 6283] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... futex resumed>) = 0 [pid 6270] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6284] setpgid(0, 0 [pid 6281] <... futex resumed>) = 0 [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6279] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6270] <... futex resumed>) = 0 [pid 6284] <... setpgid resumed>) = 0 [pid 6283] <... clone resumed>, parent_tid=[6286], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6286 [pid 6282] <... prctl resumed>) = 0 [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6270] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] setpgid(0, 0 [pid 6279] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6284] <... openat resumed>) = 3 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6270] exit_group(0 [pid 5000] <... openat resumed>) = 3 [pid 6284] write(3, "1000", 4 [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6270] <... exit_group resumed>) = ? [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6284] <... write resumed>) = 4 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6279] +++ exited with 0 +++ [pid 5000] <... ioctl resumed>) = 0 [pid 6284] close(3 [pid 5000] close(3 [pid 6284] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6284] <... futex resumed>) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6270] +++ exited with 0 +++ [pid 6284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] write(3, "1000", 4 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6287 [pid 6284] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6284] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6284] <... mprotect resumed>) = 0 [pid 6284] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... restart_syscall resumed>) = 0 [pid 6284] <... clone resumed>, parent_tid=[6288], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6288 [pid 6284] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6287 attached ./strace-static-x86_64: Process 6286 attached [pid 6282] <... write resumed>) = 4 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6289 [pid 6286] set_robust_list(0x7fc4ee1839e0, 24 [pid 6282] close(3./strace-static-x86_64: Process 6285 attached [pid 6287] set_robust_list(0x5555563db5e0, 24 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] set_robust_list(0x7fc4ee1839e0, 24 [pid 6282] <... close resumed>) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6285] memfd_create("syzkaller", 0) = 3 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6282] <... futex resumed>) = 0 [pid 6285] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6286] memfd_create("syzkaller", 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6286] <... memfd_create resumed>) = 3 [pid 6282] <... mmap resumed>) = 0x7fc4ee163000 [pid 6282] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6287] <... prctl resumed>) = 0 [pid 6286] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6285] <... write resumed>) = 262144 [pid 6282] <... mprotect resumed>) = 0 [pid 6282] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6290], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6290 [pid 6282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6288 attached ) = 0 [pid 6288] set_robust_list(0x7fc4ee1839e0, 24 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] <... set_robust_list resumed>) = 0 [pid 6288] memfd_create("syzkaller", 0) = 3 [pid 6288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6285] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 6289 attached [pid 6288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6287] setpgid(0, 0 [pid 6286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6285] <... munmap resumed>) = 0 [pid 6285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6287] <... setpgid resumed>) = 0 [pid 6285] ioctl(4, LOOP_CLR_FD) = 0 [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6290 attached [pid 6286] <... write resumed>) = 262144 [pid 6285] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6290] set_robust_list(0x7fc4ee1839e0, 24 [pid 6289] set_robust_list(0x5555563db5e0, 24 [pid 6287] <... openat resumed>) = 3 [pid 6286] munmap(0x7fc4e5d63000, 262144 [pid 6285] close(4 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6290] memfd_create("syzkaller", 0 [pid 6287] write(3, "1000", 4 [pid 6285] close(3 [pid 6290] <... memfd_create resumed>) = 3 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6287] <... write resumed>) = 4 [pid 6286] <... munmap resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] <... write resumed>) = 262144 [pid 6287] close(3 [pid 6286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6285] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6289] <... prctl resumed>) = 0 [pid 6288] munmap(0x7fc4e5d63000, 262144 [pid 6287] <... close resumed>) = 0 [pid 6286] <... openat resumed>) = 4 [pid 6285] fspick(AT_FDCWD, ".", 0 [pid 6281] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6289] setpgid(0, 0 [pid 6288] <... munmap resumed>) = 0 [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] ioctl(4, LOOP_SET_FD, 3 [pid 6285] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6281] <... futex resumed>) = 0 [pid 6290] <... write resumed>) = 262144 [pid 6289] <... setpgid resumed>) = 0 [pid 6288] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6287] <... futex resumed>) = 0 [pid 6286] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... openat resumed>) = 4 [pid 6287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] ioctl(4, LOOP_SET_FD, 3 [pid 6287] <... mmap resumed>) = 0x7fc4ee163000 [pid 6285] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6281] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6286] ioctl(4, LOOP_CLR_FD [pid 6285] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6281] <... futex resumed>) = 0 [pid 6288] ioctl(4, LOOP_CLR_FD [pid 6285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] munmap(0x7fc4e5d63000, 262144 [pid 6288] <... ioctl resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... openat resumed>) = 3 [pid 6287] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6286] <... ioctl resumed>) = 0 [pid 6285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... munmap resumed>) = 0 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6290] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6289] write(3, "1000", 4 [pid 6287] <... mprotect resumed>) = 0 [pid 6285] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] <... openat resumed>) = 4 [pid 6289] <... write resumed>) = 4 [pid 6288] ioctl(4, LOOP_SET_FD, 3 [pid 6287] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6285] <... openat resumed>) = 3 [pid 6290] ioctl(4, LOOP_SET_FD, 3 [pid 6288] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6289] close(3 [pid 6288] close(4 [pid 6285] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6290] ioctl(4, LOOP_CLR_FD [pid 6288] <... close resumed>) = 0 [pid 6285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... ioctl resumed>) = 0 [pid 6288] close(3 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6289] <... close resumed>) = 0 [pid 6288] <... close resumed>) = 0 [pid 6287] <... clone resumed>, parent_tid=[6291], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6291 [pid 6285] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6281] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = 1 [pid 6287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] ioctl(4, LOOP_SET_FD, 3 [pid 6285] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = 0 [pid 6288] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] <... futex resumed>) = 1 [pid 6284] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6286] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6285] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... futex resumed>) = 0 [pid 6281] exit_group(0 [pid 6290] ioctl(4, LOOP_SET_FD, 3 [pid 6288] fspick(AT_FDCWD, ".", 0 [pid 6285] <... futex resumed>) = ? [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... exit_group resumed>) = ? [pid 6290] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6286] close(4 [pid 6285] +++ exited with 0 +++ [pid 6281] +++ exited with 0 +++ [pid 6290] close(4 [pid 6288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6290] <... close resumed>) = 0 [pid 6289] <... mmap resumed>) = 0x7fc4ee163000 [pid 6288] <... futex resumed>) = 1 [pid 6286] <... close resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6290] close(3 [pid 6288] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] close(3 [pid 6284] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6290] <... close resumed>) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... openat resumed>) = 3 [pid 6290] <... futex resumed>) = 1 [pid 6288] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6290] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6291 attached [pid 6288] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 4999] close(3 [pid 6291] set_robust_list(0x7fc4ee1839e0, 24 [pid 6288] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... close resumed>) = 0 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] <... close resumed>) = 0 [pid 6284] <... futex resumed>) = 0 [pid 6289] <... mprotect resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6291] memfd_create("syzkaller", 0 [pid 6289] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6288] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... memfd_create resumed>) = 3 [pid 6290] <... futex resumed>) = 0 [pid 6288] <... openat resumed>) = 3 [pid 6286] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6292 [pid 6291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6290] fspick(AT_FDCWD, ".", 0 [pid 6288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6290] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6289] <... clone resumed>, parent_tid=[6293], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6293 [pid 6288] <... futex resumed>) = 1 [pid 6286] fspick(AT_FDCWD, ".", 0 [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... write resumed>) = 262144 [pid 6290] <... futex resumed>) = 0 [pid 6289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6284] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6289] <... futex resumed>) = 0 [pid 6288] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] munmap(0x7fc4e5d63000, 262144 [pid 6288] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... munmap resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] <... futex resumed>) = 1 [pid 6286] <... futex resumed>) = 1 [pid 6284] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [pid 6291] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6290] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6288] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] exit_group(0 [pid 6283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... openat resumed>) = 4 [pid 6290] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6288] <... futex resumed>) = ? [pid 6286] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6284] <... exit_group resumed>) = ? [pid 6283] <... futex resumed>) = 0 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] ioctl(4, LOOP_SET_FD, 3 [pid 6290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] +++ exited with 0 +++ [pid 6286] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6284] +++ exited with 0 +++ [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6293 attached [pid 6291] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6290] <... futex resumed>) = 0 [pid 6286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] set_robust_list(0x7fc4ee1839e0, 24 [pid 6291] ioctl(4, LOOP_CLR_FD [pid 6290] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6284, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6293] <... set_robust_list resumed>) = 0 [pid 6291] <... ioctl resumed>) = 0 [pid 6290] <... openat resumed>) = 3 [pid 6286] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6293] memfd_create("syzkaller", 0 [pid 6290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 6286] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6293] <... memfd_create resumed>) = 3 [pid 6290] <... futex resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6290] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] <... openat resumed>) = 3 [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... ioctl resumed>) = 0 [pid 6293] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3./strace-static-x86_64: Process 6292 attached [pid 6293] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6290] <... futex resumed>) = 0 [pid 6286] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... futex resumed>) = 1 [pid 5003] <... close resumed>) = 0 [pid 6292] set_robust_list(0x5555563db5e0, 24 [pid 6291] ioctl(4, LOOP_SET_FD, 3 [pid 6290] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6283] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] <... write resumed>) = 262144 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6290] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6286] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6283] <... futex resumed>) = 0 [pid 6282] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] munmap(0x7fc4e5d63000, 262144 [pid 6291] close(4 [pid 6290] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6294 [pid 6293] <... munmap resumed>) = 0 [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] <... close resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6286] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6291] close(3 [pid 6290] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] <... openat resumed>) = 4 [pid 6292] <... prctl resumed>) = 0 [pid 6291] <... close resumed>) = 0 [pid 6286] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] exit_group(0 [pid 6293] ioctl(4, LOOP_SET_FD, 3 [pid 6291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6291] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6293] ioctl(4, LOOP_CLR_FD [pid 6291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... ioctl resumed>) = 0 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6291] fspick(AT_FDCWD, ".", 0 [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6291] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6292] setpgid(0, 0 [pid 6291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = ? [pid 6286] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... exit_group resumed>) = ? [pid 6292] <... setpgid resumed>) = 0 [pid 6291] <... futex resumed>) = 1 [pid 6290] +++ exited with 0 +++ [pid 6287] <... futex resumed>) = 0 [pid 6286] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] exit_group(0 [pid 6293] ioctl(4, LOOP_SET_FD, 3 [pid 6291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... exit_group resumed>) = ? [pid 6293] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] <... futex resumed>) = 0 [pid 6293] close(4 [pid 6291] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... close resumed>) = 0 [pid 6291] <... openat resumed>) = 3 [pid 6286] <... futex resumed>) = ? [pid 6282] +++ exited with 0 +++ [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] close(3 [pid 6291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6293] <... close resumed>) = 0 [pid 6291] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6286] +++ exited with 0 +++ [pid 6283] +++ exited with 0 +++ [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... openat resumed>) = 3 [pid 6291] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] write(3, "1000", 4 [pid 6291] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6289] <... futex resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 6293] fspick(AT_FDCWD, ".", 0 [pid 6292] <... write resumed>) = 4 [pid 6291] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6293] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6291] <... futex resumed>) = 1 [pid 6287] <... futex resumed>) = 0 [pid 6292] close(3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 6293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] exit_group(0 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 6293] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = ? [pid 6289] <... futex resumed>) = 0 [pid 6287] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5001] <... close resumed>) = 0 [pid 6293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... close resumed>) = 0 [pid 6291] +++ exited with 0 +++ [pid 6289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6292] <... futex resumed>) = 0 [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6295 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6293] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6296 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6289] <... futex resumed>) = 0 [pid 6293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... mmap resumed>) = 0x7fc4ee163000 [pid 6289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 [pid 6292] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6293] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 6293] <... openat resumed>) = 3 [pid 6292] <... mprotect resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... ioctl resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 5000] close(3 [pid 6293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... clone resumed>, parent_tid=[6297], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6297 [pid 6289] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6293] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6292] <... futex resumed>) = 0 [pid 6289] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6293] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6298 [pid 6293] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6294 attached ) = 1 [pid 6289] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6296 attached [pid 6293] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] exit_group(0 [pid 6296] set_robust_list(0x5555563db5e0, 24 [pid 6293] <... futex resumed>) = ? [pid 6289] <... exit_group resumed>) = ? [pid 6296] <... set_robust_list resumed>) = 0 [pid 6293] +++ exited with 0 +++ [pid 6289] +++ exited with 0 +++ [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6296] <... prctl resumed>) = 0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6296] setpgid(0, 0) = 0 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5004] <... restart_syscall resumed>) = 0 [pid 6296] write(3, "1000", 4) = 4 [pid 6296] close(3 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6296] <... close resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6296] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] close(3./strace-static-x86_64: Process 6298 attached ./strace-static-x86_64: Process 6295 attached [pid 6296] <... mmap resumed>) = 0x7fc4ee163000 [pid 5004] <... close resumed>) = 0 [pid 6298] set_robust_list(0x5555563db5e0, 24 [pid 6296] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6295] set_robust_list(0x5555563db5e0, 24 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... set_robust_list resumed>) = 0 [pid 6296] <... mprotect resumed>) = 0 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6299 [pid 6298] <... prctl resumed>) = 0 [pid 6295] <... prctl resumed>) = 0 [pid 6298] setpgid(0, 0 [pid 6296] <... clone resumed>, parent_tid=[6300], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6300 [pid 6295] setpgid(0, 0 [pid 6298] <... setpgid resumed>) = 0 [pid 6296] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... setpgid resumed>) = 0 [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6296] <... futex resumed>) = 0 [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] <... openat resumed>) = 3 [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] <... openat resumed>) = 3 [pid 6298] write(3, "1000", 4) = 4 [pid 6295] write(3, "1000", 4 [pid 6298] close(3 [pid 6295] <... write resumed>) = 4 [pid 6298] <... close resumed>) = 0 [pid 6295] close(3 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] <... futex resumed>) = 0 [pid 6298] <... mmap resumed>) = 0x7fc4ee163000 [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6295] <... mmap resumed>) = 0x7fc4ee163000 [pid 6298] <... mprotect resumed>) = 0 [pid 6295] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6298] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6295] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6299 attached [pid 6295] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6299] set_robust_list(0x5555563db5e0, 24 [pid 6298] <... clone resumed>, parent_tid=[6301], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6301 ./strace-static-x86_64: Process 6300 attached ./strace-static-x86_64: Process 6301 attached ./strace-static-x86_64: Process 6297 attached [pid 6299] <... set_robust_list resumed>) = 0 [pid 6298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... clone resumed>, parent_tid=[6302], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6302 [pid 6294] set_robust_list(0x5555563db5e0, 24 [pid 6301] set_robust_list(0x7fc4ee1839e0, 24 [pid 6300] set_robust_list(0x7fc4ee1839e0, 24 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] <... futex resumed>) = 0 [pid 6297] set_robust_list(0x7fc4ee1839e0, 24 [pid 6295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] <... prctl resumed>) = 0 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] <... futex resumed>) = 0 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] memfd_create("syzkaller", 0 [pid 6299] setpgid(0, 0 [pid 6297] <... set_robust_list resumed>) = 0 [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] <... memfd_create resumed>) = 3 [pid 6299] <... setpgid resumed>) = 0 [pid 6301] memfd_create("syzkaller", 0 [pid 6300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6297] memfd_create("syzkaller", 0 [pid 6294] <... prctl resumed>) = 0 [pid 6301] <... memfd_create resumed>) = 3 [pid 6300] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6299] <... openat resumed>) = 3 [pid 6297] <... memfd_create resumed>) = 3 [pid 6294] setpgid(0, 0 [pid 6301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6299] write(3, "1000", 4 [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] <... setpgid resumed>) = 0 [pid 6301] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6299] <... write resumed>) = 4 [pid 6297] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6302 attached [pid 6299] close(3 [pid 6302] set_robust_list(0x7fc4ee1839e0, 24 [pid 6299] <... close resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] memfd_create("syzkaller", 0 [pid 6299] <... futex resumed>) = 0 [pid 6302] <... memfd_create resumed>) = 3 [pid 6300] <... write resumed>) = 262144 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6299] <... mmap resumed>) = 0x7fc4ee163000 [pid 6302] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6300] munmap(0x7fc4e5d63000, 262144 [pid 6299] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6300] <... munmap resumed>) = 0 [pid 6299] <... mprotect resumed>) = 0 [pid 6297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6294] <... openat resumed>) = 3 [pid 6301] <... write resumed>) = 262144 [pid 6300] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6299] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6294] write(3, "1000", 4 [pid 6300] <... openat resumed>) = 4 [pid 6300] ioctl(4, LOOP_SET_FD, 3 [pid 6299] <... clone resumed>, parent_tid=[6303], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6303 [pid 6300] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] munmap(0x7fc4e5d63000, 262144 [pid 6300] ioctl(4, LOOP_CLR_FD [pid 6299] <... futex resumed>) = 0 [pid 6297] <... write resumed>) = 262144 [pid 6294] <... write resumed>) = 4 [pid 6300] <... ioctl resumed>) = 0 [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6294] close(3 [pid 6297] munmap(0x7fc4e5d63000, 262144 [pid 6302] <... write resumed>) = 262144 [pid 6301] <... munmap resumed>) = 0 [pid 6294] <... close resumed>) = 0 [pid 6297] <... munmap resumed>) = 0 [pid 6302] munmap(0x7fc4e5d63000, 262144 [pid 6300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6300] close(4) = 0 [pid 6300] close(3 [pid 6301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6300] <... close resumed>) = 0 [pid 6297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... munmap resumed>) = 0 [pid 6301] <... openat resumed>) = 4 [pid 6300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... openat resumed>) = 4 [pid 6294] <... futex resumed>) = 0 [pid 6300] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6297] ioctl(4, LOOP_SET_FD, 3 [pid 6301] ioctl(4, LOOP_SET_FD, 3 [pid 6302] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6300] fspick(AT_FDCWD, ".", 0 [pid 6296] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... openat resumed>) = 4 [pid 6301] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6296] <... futex resumed>) = 0 [pid 6294] <... mmap resumed>) = 0x7fc4ee163000 [pid 6302] ioctl(4, LOOP_SET_FD, 3 [pid 6300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... futex resumed>) = 0 [pid 6297] ioctl(4, LOOP_CLR_FD [pid 6301] ioctl(4, LOOP_CLR_FD [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6302] ioctl(4, LOOP_CLR_FD [pid 6300] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6296] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... ioctl resumed>) = 0 [pid 6300] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... futex resumed>) = 0 [pid 6300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = 0 [pid 6294] <... mprotect resumed>) = 0 [pid 6301] <... ioctl resumed>) = 0 [pid 6300] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6297] <... ioctl resumed>) = 0 [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... openat resumed>) = 3 [pid 6294] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6302] ioctl(4, LOOP_SET_FD, 3 [pid 6300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6294] <... clone resumed>, parent_tid=[6304], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6304 [pid 6302] close(4 [pid 6300] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... close resumed>) = 0 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = 0 [pid 6302] close(3 [pid 6300] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6296] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... close resumed>) = 0 [pid 6300] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] ioctl(4, LOOP_SET_FD, 3 [pid 6300] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] ioctl(4, LOOP_SET_FD, 3 [pid 6302] <... futex resumed>) = 1 [pid 6301] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6300] <... futex resumed>) = 1 [pid 6297] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6296] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] close(4 [pid 6300] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] close(4 [pid 6296] exit_group(0 [pid 6295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... close resumed>) = 0 [pid 6300] <... futex resumed>) = ? [pid 6297] <... close resumed>) = 0 [pid 6296] <... exit_group resumed>) = ? [pid 6295] <... futex resumed>) = 0 [pid 6302] fspick(AT_FDCWD, ".", 0 [pid 6301] close(3 [pid 6300] +++ exited with 0 +++ [pid 6297] close(3 [pid 6296] +++ exited with 0 +++ [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6303 attached [pid 6302] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6304 attached ) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6301] <... close resumed>) = 0 [pid 6304] set_robust_list(0x7fc4ee1839e0, 24 [pid 6302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6304] <... set_robust_list resumed>) = 0 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6304] memfd_create("syzkaller", 0 [pid 6302] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... close resumed>) = 0 [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6304] <... memfd_create resumed>) = 3 [pid 6302] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 5002] close(3 [pid 6304] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6302] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6303] set_robust_list(0x7fc4ee1839e0, 24 [pid 5002] <... close resumed>) = 0 [pid 6304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] fspick(AT_FDCWD, ".", 0 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6303] <... set_robust_list resumed>) = 0 [pid 6304] <... write resumed>) = 262144 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 1 [pid 6302] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] fspick(AT_FDCWD, ".", 0 [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6305 [pid 6303] memfd_create("syzkaller", 0 [pid 6302] <... openat resumed>) = 3 [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6297] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6304] munmap(0x7fc4e5d63000, 262144 [pid 6302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... munmap resumed>) = 0 [pid 6303] <... memfd_create resumed>) = 3 [pid 6302] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6304] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... openat resumed>) = 4 [pid 6303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6304] ioctl(4, LOOP_SET_FD, 3 [pid 6302] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6295] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6303] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6302] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6297] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6304] ioctl(4, LOOP_CLR_FD [pid 6302] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... ioctl resumed>) = 0 [pid 6302] <... futex resumed>) = 1 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6302] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] exit_group(0 [pid 6292] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = ? [pid 6301] <... openat resumed>) = 3 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... exit_group resumed>) = ? [pid 6292] <... futex resumed>) = 0 [pid 6302] +++ exited with 0 +++ [pid 6301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6295] +++ exited with 0 +++ [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6304] ioctl(4, LOOP_SET_FD, 3 [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6297] <... openat resumed>) = 3 [pid 6304] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6301] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6298] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6304] close(4 [pid 6301] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6298] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6304] <... close resumed>) = 0 [pid 6301] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 6304] close(3 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6304] <... close resumed>) = 0 [pid 6301] <... futex resumed>) = 0 [pid 6298] exit_group(0 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... exit_group resumed>) = ? [pid 6297] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6292] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 6304] <... futex resumed>) = 1 [pid 6303] <... write resumed>) = 262144 [pid 6301] +++ exited with 0 +++ [pid 6298] +++ exited with 0 +++ [pid 6297] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6294] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] munmap(0x7fc4e5d63000, 262144 [pid 6297] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6292] <... futex resumed>) = 0 [pid 6304] fspick(AT_FDCWD, ".", 0 [pid 6297] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] exit_group(0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6306 [pid 6304] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... futex resumed>) = ? [pid 6292] <... exit_group resumed>) = ? [pid 6304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] +++ exited with 0 +++ [pid 6304] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6304] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] +++ exited with 0 +++ [pid 6304] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... openat resumed>) = 3 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6304] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 6304] <... openat resumed>) = 3 [pid 6303] <... munmap resumed>) = 0 [pid 5000] close(3 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6304] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6307 [pid 4999] <... openat resumed>) = 3 [pid 6304] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6294] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6304] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] <... ioctl resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 6304] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6304] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] exit_group(0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] <... futex resumed>) = ? [pid 6294] <... exit_group resumed>) = ? [pid 6304] +++ exited with 0 +++ [pid 6294] +++ exited with 0 +++ [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6308 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6294, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6309 ./strace-static-x86_64: Process 6306 attached [pid 6306] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6306] setpgid(0, 0./strace-static-x86_64: Process 6309 attached ./strace-static-x86_64: Process 6308 attached ./strace-static-x86_64: Process 6307 attached ./strace-static-x86_64: Process 6305 attached [pid 6303] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6306] <... setpgid resumed>) = 0 [pid 6309] set_robust_list(0x5555563db5e0, 24 [pid 6308] set_robust_list(0x5555563db5e0, 24 [pid 6307] set_robust_list(0x5555563db5e0, 24 [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6305] set_robust_list(0x5555563db5e0, 24 [pid 6303] <... openat resumed>) = 4 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6306] <... openat resumed>) = 3 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6303] ioctl(4, LOOP_SET_FD, 3 [pid 6308] <... prctl resumed>) = 0 [pid 6307] <... prctl resumed>) = 0 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6308] setpgid(0, 0 [pid 6307] setpgid(0, 0 [pid 6306] write(3, "1000", 4 [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6303] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6308] <... setpgid resumed>) = 0 [pid 6307] <... setpgid resumed>) = 0 [pid 6309] <... prctl resumed>) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6306] <... write resumed>) = 4 [pid 6305] <... prctl resumed>) = 0 [pid 6303] ioctl(4, LOOP_CLR_FD [pid 6309] setpgid(0, 0 [pid 6308] <... openat resumed>) = 3 [pid 6307] <... openat resumed>) = 3 [pid 6306] close(3 [pid 6305] setpgid(0, 0 [pid 6308] write(3, "1000", 4 [pid 6307] write(3, "1000", 4 [pid 6303] <... ioctl resumed>) = 0 [pid 6308] <... write resumed>) = 4 [pid 6307] <... write resumed>) = 4 [pid 6308] close(3 [pid 6307] close(3 [pid 6309] <... setpgid resumed>) = 0 [pid 6308] <... close resumed>) = 0 [pid 6307] <... close resumed>) = 0 [pid 6306] <... close resumed>) = 0 [pid 6305] <... setpgid resumed>) = 0 [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] <... openat resumed>) = 3 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] <... futex resumed>) = 0 [pid 6309] write(3, "1000", 4 [pid 6308] <... mmap resumed>) = 0x7fc4ee163000 [pid 6307] <... mmap resumed>) = 0x7fc4ee163000 [pid 6306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6305] <... openat resumed>) = 3 [pid 6309] <... write resumed>) = 4 [pid 6308] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6307] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6309] close(3 [pid 6308] <... mprotect resumed>) = 0 [pid 6307] <... mprotect resumed>) = 0 [pid 6306] <... mmap resumed>) = 0x7fc4ee163000 [pid 6305] write(3, "1000", 4 [pid 6303] ioctl(4, LOOP_SET_FD, 3 [pid 6309] <... close resumed>) = 0 [pid 6308] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6307] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6306] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6305] <... write resumed>) = 4 [pid 6303] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... clone resumed>, parent_tid=[6310], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6310 [pid 6307] <... clone resumed>, parent_tid=[6311], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6311 [pid 6306] <... mprotect resumed>) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6308] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] close(3 [pid 6303] close(4 [pid 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6308] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 6306] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6305] <... close resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] <... mmap resumed>) = 0x7fc4ee163000 [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] close(3 [pid 6309] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6305] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6312 attached [pid 6312] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6310 attached [pid 6310] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6303] <... close resumed>) = 0 [pid 6305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] memfd_create("syzkaller", 0) = 3 [pid 6310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6309] <... mprotect resumed>) = 0 [pid 6306] <... clone resumed>, parent_tid=[6312], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6312 [pid 6305] <... mmap resumed>) = 0x7fc4ee163000 [pid 6309] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = 1 [pid 6309] <... clone resumed>, parent_tid=[6313], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6313 [pid 6305] <... mprotect resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6299] <... futex resumed>) = 0 [pid 6305] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = 0 [pid 6312] memfd_create("syzkaller", 0 [pid 6309] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6305] <... clone resumed>, parent_tid=[6314], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6314 [pid 6303] fspick(AT_FDCWD, ".", 0 [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6305] <... futex resumed>) = 0 [pid 6303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6303] <... futex resumed>) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6312] <... memfd_create resumed>) = 3 [pid 6303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] <... futex resumed>) = 0 [pid 6312] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6303] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6299] <... futex resumed>) = 0 [pid 6303] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6299] <... futex resumed>) = 0 [pid 6312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6303] <... openat resumed>) = 3 [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6299] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6314 attached [pid 6312] <... write resumed>) = 262144 [pid 6303] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6299] <... futex resumed>) = 0 [pid 6303] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6299] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] set_robust_list(0x7fc4ee1839e0, 24 [pid 6303] <... futex resumed>) = 0 [pid 6299] exit_group(0) = ? [pid 6303] +++ exited with 0 +++ [pid 6312] munmap(0x7fc4e5d63000, 262144) = 0 [pid 6310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6299] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6312] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5004] <... restart_syscall resumed>) = 0 [pid 6314] <... set_robust_list resumed>) = 0 [pid 6312] <... openat resumed>) = 4 [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 6314] memfd_create("syzkaller", 0 [pid 6312] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6314] <... memfd_create resumed>) = 3 [pid 6312] ioctl(4, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 6312] <... ioctl resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6313 attached [pid 6313] set_robust_list(0x7fc4ee1839e0, 24 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6315 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6313] memfd_create("syzkaller", 0 [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 6313] <... memfd_create resumed>) = 3 [pid 6312] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6312] close(4 [pid 6310] <... write resumed>) = 262144 [pid 6313] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6312] <... close resumed>) = 0 [pid 6310] munmap(0x7fc4e5d63000, 262144 [pid 6312] close(3) = 0 [pid 6312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6306] <... futex resumed>) = 0 [pid 6313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6312] fspick(AT_FDCWD, ".", 0 [pid 6310] <... munmap resumed>) = 0 [pid 6306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... futex resumed>) = 0 [pid 6312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... futex resumed>) = 0 [pid 6310] <... openat resumed>) = 4 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6312] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6310] ioctl(4, LOOP_SET_FD, 3 [pid 6306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6313] <... write resumed>) = 262144 [pid 6312] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6310] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6306] <... futex resumed>) = 0 [pid 6312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] ioctl(4, LOOP_CLR_FD [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... futex resumed>) = 0 [pid 6310] <... ioctl resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6315 attached [pid 6313] munmap(0x7fc4e5d63000, 262144 [pid 6312] <... openat resumed>) = 3 [pid 6306] <... futex resumed>) = 0 [pid 6315] set_robust_list(0x5555563db5e0, 24 [pid 6313] <... munmap resumed>) = 0 [pid 6312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] <... set_robust_list resumed>) = 0 [pid 6312] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6311 attached [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... prctl resumed>) = 0 [pid 6314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6313] <... openat resumed>) = 4 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] set_robust_list(0x7fc4ee1839e0, 24 [pid 6310] ioctl(4, LOOP_SET_FD, 3 [pid 6306] <... futex resumed>) = 0 [pid 6315] setpgid(0, 0 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6312] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6310] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6306] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] <... setpgid resumed>) = 0 [pid 6313] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6312] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] close(4 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] ioctl(4, LOOP_CLR_FD [pid 6312] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... close resumed>) = 0 [pid 6315] <... openat resumed>) = 3 [pid 6313] <... ioctl resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6311] memfd_create("syzkaller", 0 [pid 6310] close(3 [pid 6306] <... futex resumed>) = 0 [pid 6315] write(3, "1000", 4 [pid 6312] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... memfd_create resumed>) = 3 [pid 6310] <... close resumed>) = 0 [pid 6306] exit_group(0 [pid 6315] <... write resumed>) = 4 [pid 6312] <... futex resumed>) = ? [pid 6311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... exit_group resumed>) = ? [pid 6315] close(3 [pid 6314] <... write resumed>) = 262144 [pid 6312] +++ exited with 0 +++ [pid 6310] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6315] <... close resumed>) = 0 [pid 6310] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6310] fspick(AT_FDCWD, ".", 0 [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6315] <... mmap resumed>) = 0x7fc4ee163000 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] +++ exited with 0 +++ [pid 6315] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6313] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6310] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6315] <... mprotect resumed>) = 0 [pid 6313] close(4 [pid 6311] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6310] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6315] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6313] <... close resumed>) = 0 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6313] close(3 [pid 6310] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] <... clone resumed>, parent_tid=[6316], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6316 [pid 6314] munmap(0x7fc4e5d63000, 262144 [pid 6313] <... close resumed>) = 0 [pid 6310] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 6315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6315] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6314] <... munmap resumed>) = 0 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6313] fspick(AT_FDCWD, ".", 0 [pid 6310] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... close resumed>) = 0 [pid 6313] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6314] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6310] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6317 attached ./strace-static-x86_64: Process 6316 attached [pid 6314] <... openat resumed>) = 4 [pid 6313] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = 0 [pid 6316] set_robust_list(0x7fc4ee1839e0, 24 [pid 6313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... futex resumed>) = 0 [pid 6309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6317 [pid 6316] memfd_create("syzkaller", 0 [pid 6310] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6308] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... memfd_create resumed>) = 3 [pid 6310] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6310] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... futex resumed>) = 1 [pid 6316] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6313] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6314] ioctl(4, LOOP_CLR_FD) = 0 [pid 6316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6313] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6308] exit_group(0 [pid 6310] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] <... write resumed>) = 262144 [pid 6311] munmap(0x7fc4e5d63000, 262144 [pid 6316] <... write resumed>) = 262144 [pid 6313] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... exit_group resumed>) = ? [pid 6310] <... futex resumed>) = ? [pid 6316] munmap(0x7fc4e5d63000, 262144 [pid 6313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6314] close(4) = 0 [pid 6310] +++ exited with 0 +++ [pid 6308] +++ exited with 0 +++ [pid 6314] close(3 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6313] <... futex resumed>) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6313] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] <... openat resumed>) = 3 [pid 6313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6309] <... futex resumed>) = 0 [pid 6313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... munmap resumed>) = 0 [pid 6309] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6309] <... futex resumed>) = 0 [pid 6313] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6309] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... openat resumed>) = 4 [pid 6313] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6316] ioctl(4, LOOP_SET_FD, 3 [pid 6314] <... close resumed>) = 0 [pid 6313] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6313] <... futex resumed>) = 1 [pid 6316] ioctl(4, LOOP_CLR_FD [pid 6309] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6313] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6309] exit_group(0 [pid 4999] <... openat resumed>) = 3 [pid 6316] <... ioctl resumed>) = 0 [pid 6313] <... futex resumed>) = ? [pid 6309] <... exit_group resumed>) = ? [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6313] +++ exited with 0 +++ [pid 6314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = 0 [pid 6305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = 1 [pid 6309] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6309, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 4999] <... ioctl resumed>) = 0 [pid 4999] close(3 [pid 6317] set_robust_list(0x5555563db5e0, 24 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6317] <... set_robust_list resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6314] fspick(AT_FDCWD, ".", 0 [pid 5003] <... openat resumed>) = 3 [pid 6314] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 6317] <... prctl resumed>) = 0 [pid 6316] ioctl(4, LOOP_SET_FD, 3 [pid 6314] <... futex resumed>) = 1 [pid 6311] <... munmap resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 5003] close(3 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6318 [pid 6317] setpgid(0, 0 [pid 6316] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6314] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 6317] <... setpgid resumed>) = 0 [pid 6316] close(4 [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... openat resumed>) = 4 [pid 6305] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6316] <... close resumed>) = 0 [pid 6314] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6311] ioctl(4, LOOP_SET_FD, 3 [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6318 attached [pid 6317] <... openat resumed>) = 3 [pid 6316] close(3 [pid 6314] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6311] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6319 [pid 6314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] ioctl(4, LOOP_CLR_FD [pid 6314] <... futex resumed>) = 1 [pid 6311] <... ioctl resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6316] <... close resumed>) = 0 [pid 6314] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] write(3, "1000", 4 [pid 6318] set_robust_list(0x5555563db5e0, 24 [pid 6316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... write resumed>) = 4 [pid 6314] <... openat resumed>) = 3 [pid 6305] <... futex resumed>) = 0 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6317] close(3 [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6317] <... close resumed>) = 0 [pid 6316] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] <... prctl resumed>) = 0 [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] ioctl(4, LOOP_SET_FD, 3 [pid 6305] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] setpgid(0, 0 [pid 6317] <... futex resumed>) = 0 [pid 6316] fspick(AT_FDCWD, ".", 0 [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6305] <... futex resumed>) = 0 [pid 6318] <... setpgid resumed>) = 0 [pid 6317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6316] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6314] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6311] close(4 [pid 6305] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] <... mmap resumed>) = 0x7fc4ee163000 [pid 6316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6311] <... close resumed>) = 0 [pid 6318] <... openat resumed>) = 3 [pid 6317] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] close(3 [pid 6318] write(3, "1000", 4 [pid 6317] <... mprotect resumed>) = 0 [pid 6316] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 1 [pid 6311] <... close resumed>) = 0 [pid 6305] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6319 attached [pid 6318] <... write resumed>) = 4 [pid 6317] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] exit_group(0 [pid 6319] set_robust_list(0x5555563db5e0, 24 [pid 6318] close(3 [pid 6316] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = ? [pid 6311] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6305] <... exit_group resumed>) = ? [pid 6319] <... set_robust_list resumed>) = 0 [pid 6318] <... close resumed>) = 0 [pid 6317] <... clone resumed>, parent_tid=[6320], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6320 [pid 6316] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6314] +++ exited with 0 +++ [pid 6311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] +++ exited with 0 +++ [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6320 attached [pid 6319] <... prctl resumed>) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 0 [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6311] fspick(AT_FDCWD, ".", 0 [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] set_robust_list(0x7fc4ee1839e0, 24 [pid 6319] setpgid(0, 0 [pid 6318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6316] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] <... setpgid resumed>) = 0 [pid 6318] <... mmap resumed>) = 0x7fc4ee163000 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6320] memfd_create("syzkaller", 0 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6318] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6316] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6320] <... memfd_create resumed>) = 3 [pid 6319] <... openat resumed>) = 3 [pid 6318] <... mprotect resumed>) = 0 [pid 6311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6316] <... openat resumed>) = 3 [pid 6320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6319] write(3, "1000", 4 [pid 6318] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6319] <... write resumed>) = 4 [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6311] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] close(3 [pid 6320] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6319] close(3 [pid 6318] <... clone resumed>, parent_tid=[6321], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6321 [pid 6316] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 6319] <... close resumed>) = 0 [pid 6318] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] <... futex resumed>) = 0 [pid 6311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 0 [pid 6316] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6315] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6316] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6322 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6316] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 6320] <... write resumed>) = 262144 [pid 6319] <... mmap resumed>) = 0x7fc4ee163000 [pid 6316] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6311] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6321 attached [pid 6320] munmap(0x7fc4e5d63000, 262144 [pid 6319] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6316] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] exit_group(0 [pid 6311] <... openat resumed>) = 3 [pid 6321] set_robust_list(0x7fc4ee1839e0, 24 [pid 6319] <... mprotect resumed>) = 0 [pid 6316] <... futex resumed>) = ? [pid 6315] <... exit_group resumed>) = ? [pid 6311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6320] <... munmap resumed>) = 0 [pid 6319] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6316] +++ exited with 0 +++ [pid 6311] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6321] memfd_create("syzkaller", 0 [pid 6315] +++ exited with 0 +++ [pid 6311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... memfd_create resumed>) = 3 [pid 6320] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6319] <... clone resumed>, parent_tid=[6323], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6323 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 6321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6320] <... openat resumed>) = 4 [pid 6319] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6307] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6322 attached [pid 6321] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6320] ioctl(4, LOOP_SET_FD, 3 [pid 6319] <... futex resumed>) = 0 [pid 6311] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6322] set_robust_list(0x5555563db5e0, 24 [pid 6321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6311] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6323 attached [pid 6322] <... set_robust_list resumed>) = 0 [pid 6320] ioctl(4, LOOP_CLR_FD [pid 6311] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6323] set_robust_list(0x7fc4ee1839e0, 24 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] <... ioctl resumed>) = 0 [pid 6311] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] exit_group(0 [pid 5004] <... openat resumed>) = 3 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] <... prctl resumed>) = 0 [pid 6321] <... write resumed>) = 262144 [pid 6311] <... futex resumed>) = ? [pid 6307] <... exit_group resumed>) = ? [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6323] memfd_create("syzkaller", 0 [pid 6322] setpgid(0, 0 [pid 6321] munmap(0x7fc4e5d63000, 262144 [pid 6311] +++ exited with 0 +++ [pid 6307] +++ exited with 0 +++ [pid 5004] <... ioctl resumed>) = 0 [pid 6323] <... memfd_create resumed>) = 3 [pid 6322] <... setpgid resumed>) = 0 [pid 6321] <... munmap resumed>) = 0 [pid 6320] ioctl(4, LOOP_SET_FD, 3 [pid 5004] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5004] <... close resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6323] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6322] <... openat resumed>) = 3 [pid 6321] <... openat resumed>) = 4 [pid 6320] close(4 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... restart_syscall resumed>) = 0 [pid 6322] write(3, "1000", 4 [pid 6321] ioctl(4, LOOP_SET_FD, 3 [pid 6322] <... write resumed>) = 4 [pid 6321] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6322] close(3 [pid 6321] ioctl(4, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6322] <... close resumed>) = 0 [pid 6321] <... ioctl resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6322] <... futex resumed>) = 0 [pid 6320] close(3 [pid 5000] <... ioctl resumed>) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] close(3 [pid 6322] <... mmap resumed>) = 0x7fc4ee163000 [pid 5000] <... close resumed>) = 0 [pid 6322] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6321] ioctl(4, LOOP_SET_FD, 3 [pid 6320] <... close resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6324 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6323] <... write resumed>) = 262144 [pid 6322] <... mprotect resumed>) = 0 [pid 6321] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] munmap(0x7fc4e5d63000, 262144 [pid 6322] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6321] close(4 [pid 6320] <... futex resumed>) = 1 [pid 6317] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6325 [pid 6323] <... munmap resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 6320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6322] <... clone resumed>, parent_tid=[6326], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6326 [pid 6321] close(3 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6324 attached [pid 6323] <... openat resumed>) = 4 [pid 6322] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] <... close resumed>) = 0 [pid 6320] fspick(AT_FDCWD, ".", 0 [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] set_robust_list(0x5555563db5e0, 24 [pid 6323] ioctl(4, LOOP_SET_FD, 3 [pid 6322] <... futex resumed>) = 0 [pid 6321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6321] <... futex resumed>) = 1 [pid 6320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] ioctl(4, LOOP_CLR_FD [pid 6321] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... futex resumed>) = 1 [pid 6318] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 0 [pid 6324] <... prctl resumed>) = 0 [pid 6323] <... ioctl resumed>) = 0 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] <... futex resumed>) = 0 [pid 6317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] setpgid(0, 0 [pid 6321] fspick(AT_FDCWD, ".", 0 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6324] <... setpgid resumed>) = 0 [pid 6321] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6320] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6326 attached [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6325 attached [pid 6326] set_robust_list(0x7fc4ee1839e0, 24 [pid 6324] <... openat resumed>) = 3 [pid 6321] <... futex resumed>) = 1 [pid 6320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] set_robust_list(0x5555563db5e0, 24 [pid 6324] write(3, "1000", 4 [pid 6323] ioctl(4, LOOP_SET_FD, 3 [pid 6321] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... futex resumed>) = 1 [pid 6318] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = 0 [pid 6326] memfd_create("syzkaller", 0 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] <... write resumed>) = 4 [pid 6323] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] <... futex resumed>) = 0 [pid 6317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... memfd_create resumed>) = 3 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] close(3 [pid 6323] close(4 [pid 6321] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 0 [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] <... prctl resumed>) = 0 [pid 6324] <... close resumed>) = 0 [pid 6323] <... close resumed>) = 0 [pid 6321] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6320] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6325] setpgid(0, 0 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] close(3 [pid 6321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6325] <... setpgid resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = 0 [pid 6321] <... futex resumed>) = 1 [pid 6320] <... openat resumed>) = 3 [pid 6318] <... futex resumed>) = 0 [pid 6326] <... write resumed>) = 262144 [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] munmap(0x7fc4e5d63000, 262144 [pid 6325] <... openat resumed>) = 3 [pid 6324] <... mmap resumed>) = 0x7fc4ee163000 [pid 6323] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 0 [pid 6326] <... munmap resumed>) = 0 [pid 6325] write(3, "1000", 4 [pid 6324] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6323] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6325] <... write resumed>) = 4 [pid 6324] <... mprotect resumed>) = 0 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... openat resumed>) = 3 [pid 6320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 0 [pid 6326] <... openat resumed>) = 4 [pid 6325] close(3 [pid 6324] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6323] fspick(AT_FDCWD, ".", 0 [pid 6321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] ioctl(4, LOOP_SET_FD, 3 [pid 6325] <... close resumed>) = 0 [pid 6323] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... futex resumed>) = 1 [pid 6320] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6318] <... futex resumed>) = 0 [pid 6326] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... clone resumed>, parent_tid=[6327], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6327 [pid 6323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] ioctl(4, LOOP_CLR_FD [pid 6325] <... futex resumed>) = 0 [pid 6324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6317] <... futex resumed>) = 0 [pid 6326] <... ioctl resumed>) = 0 [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6320] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] exit_group(0 [pid 6325] <... mmap resumed>) = 0x7fc4ee163000 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6320] <... futex resumed>) = ? [pid 6319] <... futex resumed>) = 0 [pid 6317] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6327 attached [pid 6325] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6323] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6321] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] +++ exited with 0 +++ [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] <... mprotect resumed>) = 0 [pid 6321] <... futex resumed>) = 1 [pid 6326] ioctl(4, LOOP_SET_FD, 3 [pid 6325] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6321] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] +++ exited with 0 +++ [pid 6327] set_robust_list(0x7fc4ee1839e0, 24 [pid 6326] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6323] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6318] <... futex resumed>) = 0 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] close(4 [pid 6325] <... clone resumed>, parent_tid=[6328], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6328 [pid 6323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6326] <... close resumed>) = 0 [pid 6325] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 1 [pid 6321] <... futex resumed>) = ? [pid 6319] <... futex resumed>) = 0 [pid 6318] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6327] memfd_create("syzkaller", 0 [pid 6326] close(3 [pid 6325] <... futex resumed>) = 0 [pid 6323] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6321] +++ exited with 0 +++ [pid 6319] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 6327] <... memfd_create resumed>) = 3 [pid 6326] <... close resumed>) = 0 [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6318] +++ exited with 0 +++ [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... ioctl resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 5001] close(3 [pid 6327] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6326] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... openat resumed>) = 3 [pid 6322] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... close resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6326] fspick(AT_FDCWD, ".", 0 [pid 6323] <... futex resumed>) = 1 [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... futex resumed>) = 0 [pid 6327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6326] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6323] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6329 [pid 4999] <... restart_syscall resumed>) = 0 [pid 6326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6319] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6323] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6322] <... futex resumed>) = 0 [pid 6319] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6326] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6322] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6328 attached [pid 6327] <... write resumed>) = 262144 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6328] set_robust_list(0x7fc4ee1839e0, 24 [pid 6327] munmap(0x7fc4e5d63000, 262144 [pid 6326] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6323] <... futex resumed>) = 1 [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] <... futex resumed>) = 0 [pid 6326] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6323] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] exit_group(0 [pid 4999] <... openat resumed>) = 3 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] <... munmap resumed>) = 0 [pid 6326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6326] <... futex resumed>) = 1 [pid 6323] +++ exited with 0 +++ [pid 6322] <... futex resumed>) = 0 [pid 6326] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 6327] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6326] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6319] +++ exited with 0 +++ [pid 4999] <... ioctl resumed>) = 0 [pid 6328] memfd_create("syzkaller", 0 [pid 6327] <... openat resumed>) = 4 [pid 6326] <... openat resumed>) = 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] close(3 [pid 6326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... memfd_create resumed>) = 3 [pid 6327] ioctl(4, LOOP_SET_FD, 3 [pid 6326] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6327] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6326] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6329 attached [pid 6328] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6327] ioctl(4, LOOP_CLR_FD [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] set_robust_list(0x5555563db5e0, 24 [pid 6327] <... ioctl resumed>) = 0 [pid 6326] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6322] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] <... set_robust_list resumed>) = 0 [pid 6326] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6326] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6330 [pid 6329] <... prctl resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 6329] setpgid(0, 0 [pid 6328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6326] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] exit_group(0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6329] <... setpgid resumed>) = 0 [pid 6326] <... futex resumed>) = ? [pid 6322] <... exit_group resumed>) = ? [pid 5003] <... ioctl resumed>) = 0 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6328] <... write resumed>) = 262144 [pid 6327] ioctl(4, LOOP_SET_FD, 3 [pid 6326] +++ exited with 0 +++ [pid 6322] +++ exited with 0 +++ [pid 5003] close(3 [pid 6329] <... openat resumed>) = 3 [pid 6328] munmap(0x7fc4e5d63000, 262144 [pid 6327] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6329] write(3, "1000", 4 [pid 6327] close(4 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] <... write resumed>) = 4 [pid 6328] <... munmap resumed>) = 0 [pid 6327] <... close resumed>) = 0 [pid 6329] close(3 [pid 6328] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6327] close(3 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6331 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6329] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... openat resumed>) = 4 [pid 6327] <... close resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6330 attached [pid 6329] <... futex resumed>) = 0 [pid 6328] ioctl(4, LOOP_SET_FD, 3 [pid 6327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6330] set_robust_list(0x5555563db5e0, 24 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6328] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 5002] close(3 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] <... mmap resumed>) = 0x7fc4ee163000 [pid 6328] ioctl(4, LOOP_CLR_FD [pid 6327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 6331 attached [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6329] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6328] <... ioctl resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6331] set_robust_list(0x5555563db5e0, 24 [pid 6330] <... prctl resumed>) = 0 [pid 6329] <... mprotect resumed>) = 0 [pid 6327] fspick(AT_FDCWD, ".", 0 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] setpgid(0, 0 [pid 6329] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6327] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6332 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] <... setpgid resumed>) = 0 [pid 6327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... prctl resumed>) = 0 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... clone resumed>, parent_tid=[6333], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6333 [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6331] setpgid(0, 0 [pid 6330] <... openat resumed>) = 3 [pid 6329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] ioctl(4, LOOP_SET_FD, 3 [pid 6327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... setpgid resumed>) = 0 [pid 6330] write(3, "1000", 4 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = 0 [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] <... write resumed>) = 4 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] close(4 [pid 6327] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] <... openat resumed>) = 3 [pid 6330] close(3 [pid 6328] <... close resumed>) = 0 [pid 6327] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6332 attached [pid 6331] write(3, "1000", 4 [pid 6330] <... close resumed>) = 0 [pid 6328] close(3 [pid 6327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] set_robust_list(0x5555563db5e0, 24 [pid 6331] <... write resumed>) = 4 [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] close(3 [pid 6330] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6328] <... close resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] <... close resumed>) = 0 [pid 6330] <... mprotect resumed>) = 0 [pid 6328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6333 attached [pid 6332] <... prctl resumed>) = 0 [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6328] <... futex resumed>) = 1 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6333] set_robust_list(0x7fc4ee1839e0, 24 [pid 6332] setpgid(0, 0 [pid 6331] <... futex resumed>) = 0 [pid 6328] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6325] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... set_robust_list resumed>) = 0 [pid 6332] <... setpgid resumed>) = 0 [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6330] <... clone resumed>, parent_tid=[6334], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6334 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6333] memfd_create("syzkaller", 0 [pid 6332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6331] <... mmap resumed>) = 0x7fc4ee163000 [pid 6330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] fspick(AT_FDCWD, ".", 0 [pid 6327] <... openat resumed>) = 3 [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] <... memfd_create resumed>) = 3 [pid 6332] <... openat resumed>) = 3 [pid 6331] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6330] <... futex resumed>) = 0 [pid 6328] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6332] write(3, "1000", 4 [pid 6331] <... mprotect resumed>) = 0 [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = 1 [pid 6324] <... futex resumed>) = 0 [pid 6333] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6332] <... write resumed>) = 4 [pid 6331] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6328] <... futex resumed>) = 1 [pid 6327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... futex resumed>) = 0 [pid 6324] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6332] close(3 [pid 6328] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6335 attached [pid 6333] <... write resumed>) = 262144 [pid 6332] <... close resumed>) = 0 [pid 6331] <... clone resumed>, parent_tid=[6335], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6335 [pid 6328] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6327] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6325] <... futex resumed>) = 0 [pid 6324] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6334 attached [pid 6335] set_robust_list(0x7fc4ee1839e0, 24 [pid 6333] munmap(0x7fc4e5d63000, 262144 [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] set_robust_list(0x7fc4ee1839e0, 24 [pid 6333] <... munmap resumed>) = 0 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6327] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] memfd_create("syzkaller", 0 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] <... futex resumed>) = 1 [pid 6325] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 [pid 6335] <... memfd_create resumed>) = 3 [pid 6334] memfd_create("syzkaller", 0 [pid 6333] <... openat resumed>) = 4 [pid 6332] <... mmap resumed>) = 0x7fc4ee163000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... futex resumed>) = 0 [pid 6324] exit_group(0 [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6334] <... memfd_create resumed>) = 3 [pid 6333] ioctl(4, LOOP_SET_FD, 3 [pid 6332] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6328] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6327] <... futex resumed>) = ? [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... exit_group resumed>) = ? [pid 6334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6333] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6332] <... mprotect resumed>) = 0 [pid 6328] <... openat resumed>) = 3 [pid 6327] +++ exited with 0 +++ [pid 6334] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6333] ioctl(4, LOOP_CLR_FD [pid 6335] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6333] <... ioctl resumed>) = 0 [pid 6332] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] +++ exited with 0 +++ [pid 6334] <... write resumed>) = 262144 [pid 6328] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6334] munmap(0x7fc4e5d63000, 262144 [pid 6332] <... clone resumed>, parent_tid=[6336], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6336 [pid 6328] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6334] <... munmap resumed>) = 0 [pid 6332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6335] <... write resumed>) = 262144 [pid 6334] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6333] ioctl(4, LOOP_SET_FD, 3 [pid 6332] <... futex resumed>) = 0 [pid 6328] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6325] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 6335] munmap(0x7fc4e5d63000, 262144 [pid 6334] <... openat resumed>) = 4 [pid 6333] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6328] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6334] ioctl(4, LOOP_SET_FD, 3 [pid 6333] close(4 [pid 6328] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 6335] <... munmap resumed>) = 0 [pid 6334] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6333] <... close resumed>) = 0 [pid 6328] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 5004] close(3 [pid 6335] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6334] ioctl(4, LOOP_CLR_FD [pid 6333] close(3 [pid 6328] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] exit_group(0 [pid 5004] <... close resumed>) = 0 ./strace-static-x86_64: Process 6336 attached [pid 6335] <... openat resumed>) = 4 [pid 6334] <... ioctl resumed>) = 0 [pid 6333] <... close resumed>) = 0 [pid 6328] <... futex resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6336] set_robust_list(0x7fc4ee1839e0, 24 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] +++ exited with 0 +++ [pid 6325] +++ exited with 0 +++ [pid 6336] <... set_robust_list resumed>) = 0 [pid 6335] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6333] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6335] ioctl(4, LOOP_CLR_FD [pid 6333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6336] memfd_create("syzkaller", 0 [pid 6335] <... ioctl resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6337 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6336] <... memfd_create resumed>) = 3 [pid 6334] ioctl(4, LOOP_SET_FD, 3 [pid 6333] fspick(AT_FDCWD, ".", 0 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 6336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6334] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6333] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6336] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6334] close(4 [pid 6333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... ioctl resumed>) = 0 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6334] <... close resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 5000] close(3 [pid 6335] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6334] close(3 [pid 6333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6335] close(4 [pid 6334] <... close resumed>) = 0 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6329] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6335] <... close resumed>) = 0 [pid 6334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6337 attached [pid 6336] <... write resumed>) = 262144 [pid 6335] close(3 [pid 6334] <... futex resumed>) = 1 [pid 6333] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6330] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6338 [pid 6336] munmap(0x7fc4e5d63000, 262144 [pid 6334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... close resumed>) = 0 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6337] set_robust_list(0x5555563db5e0, 24 [pid 6336] <... munmap resumed>) = 0 [pid 6335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] fspick(AT_FDCWD, ".", 0 [pid 6333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6335] <... futex resumed>) = 1 [pid 6334] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... openat resumed>) = 4 [pid 6335] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6331] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6337] <... prctl resumed>) = 0 [pid 6336] ioctl(4, LOOP_SET_FD, 3 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 1 [pid 6333] <... openat resumed>) = 3 [pid 6331] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6337] setpgid(0, 0 [pid 6336] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6335] fspick(AT_FDCWD, ".", 0 [pid 6334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... setpgid resumed>) = 0 [pid 6336] ioctl(4, LOOP_CLR_FD [pid 6335] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... ioctl resumed>) = 0 [pid 6335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6338 attached [pid 6337] <... openat resumed>) = 3 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6338] set_robust_list(0x5555563db5e0, 24 [pid 6337] write(3, "1000", 4 [pid 6335] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6331] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] <... write resumed>) = 4 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 1 [pid 6333] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6331] <... futex resumed>) = 0 [pid 6330] <... futex resumed>) = 0 [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6337] close(3 [pid 6336] ioctl(4, LOOP_SET_FD, 3 [pid 6335] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6333] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... prctl resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 6336] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6335] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6338] setpgid(0, 0 [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] close(4 [pid 6335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6333] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] exit_group(0 [pid 6338] <... setpgid resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... openat resumed>) = 3 [pid 6333] <... futex resumed>) = ? [pid 6331] <... futex resumed>) = 0 [pid 6329] <... exit_group resumed>) = ? [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6336] close(3 [pid 6335] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] +++ exited with 0 +++ [pid 6331] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] +++ exited with 0 +++ [pid 6338] <... openat resumed>) = 3 [pid 6337] <... mmap resumed>) = 0x7fc4ee163000 [pid 6334] <... futex resumed>) = 1 [pid 6330] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6338] write(3, "1000", 4 [pid 6334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6330] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... write resumed>) = 4 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6330] <... futex resumed>) = 0 [pid 6338] close(3 [pid 6336] <... close resumed>) = 0 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6331] <... futex resumed>) = 0 [pid 6330] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... close resumed>) = 0 [pid 6337] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6334] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... mprotect resumed>) = 0 [pid 6335] <... openat resumed>) = 3 [pid 6334] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 0 [pid 6337] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... futex resumed>) = 1 [pid 6332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... futex resumed>) = 0 [pid 6338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 1 [pid 6334] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 6330] exit_group(0 [pid 6338] <... mmap resumed>) = 0x7fc4ee163000 [pid 6337] <... clone resumed>, parent_tid=[6339], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6339 [pid 6336] fspick(AT_FDCWD, ".", 0 [pid 6335] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] <... futex resumed>) = ? [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6330] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6338] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6337] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] +++ exited with 0 +++ [pid 6331] <... futex resumed>) = 0 [pid 6330] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 6338] <... mprotect resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6331] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6338] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] <... futex resumed>) = 1 [pid 6335] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6332] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6338] <... clone resumed>, parent_tid=[6340], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6340 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6331] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6335] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6339 attached [pid 6338] <... futex resumed>) = 0 [pid 6336] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... futex resumed>) = ? [pid 6331] <... exit_group resumed>) = ? [pid 6339] set_robust_list(0x7fc4ee1839e0, 24 [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] +++ exited with 0 +++ [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6341 [pid 6339] <... set_robust_list resumed>) = 0 [pid 6339] memfd_create("syzkaller", 0 [pid 6336] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 6331] +++ exited with 0 +++ ./strace-static-x86_64: Process 6340 attached [pid 6339] <... memfd_create resumed>) = 3 [pid 6336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] set_robust_list(0x7fc4ee1839e0, 24 [pid 6339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6336] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6340] memfd_create("syzkaller", 0 [pid 6339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6336] <... openat resumed>) = 3 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6340] <... memfd_create resumed>) = 3 [pid 6336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 6340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6336] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6341 attached [pid 6340] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6339] <... write resumed>) = 262144 [pid 6336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... ioctl resumed>) = 0 [pid 6341] set_robust_list(0x5555563db5e0, 24 [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 4999] close(3 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6336] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6332] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6341] <... prctl resumed>) = 0 [pid 6336] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6341] setpgid(0, 0 [pid 6340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6336] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 6341] <... setpgid resumed>) = 0 [pid 6339] munmap(0x7fc4e5d63000, 262144 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... write resumed>) = 262144 [pid 6339] <... munmap resumed>) = 0 [pid 6336] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] exit_group(0 [pid 6341] <... openat resumed>) = 3 [pid 6340] munmap(0x7fc4e5d63000, 262144 [pid 6339] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6336] <... futex resumed>) = ? [pid 6332] <... exit_group resumed>) = ? [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6343 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6342 [pid 6341] write(3, "1000", 4 [pid 6339] <... openat resumed>) = 4 [pid 6336] +++ exited with 0 +++ [pid 6341] <... write resumed>) = 4 [pid 6339] ioctl(4, LOOP_SET_FD, 3 [pid 6341] close(3 [pid 6339] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6341] <... close resumed>) = 0 [pid 6339] ioctl(4, LOOP_CLR_FD [pid 6332] +++ exited with 0 +++ [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... ioctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6332, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6341] <... futex resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6340] <... munmap resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6341] <... mmap resumed>) = 0x7fc4ee163000 [pid 6340] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6341] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6340] <... openat resumed>) = 4 [pid 6341] <... mprotect resumed>) = 0 [pid 6340] ioctl(4, LOOP_SET_FD, 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6343 attached ./strace-static-x86_64: Process 6342 attached [pid 6341] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6340] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6339] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... openat resumed>) = 3 [pid 6343] set_robust_list(0x5555563db5e0, 24 [pid 6342] set_robust_list(0x5555563db5e0, 24 [pid 6340] ioctl(4, LOOP_CLR_FD [pid 6339] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6341] <... clone resumed>, parent_tid=[6344], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6344 [pid 6340] <... ioctl resumed>) = 0 [pid 6339] close(4 [pid 5002] <... ioctl resumed>) = 0 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = 0 [pid 5002] close(3 [pid 6343] <... prctl resumed>) = 0 [pid 6342] <... prctl resumed>) = 0 [pid 6341] <... futex resumed>) = 0 [pid 6339] close(3 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 6344 attached [pid 6343] setpgid(0, 0 [pid 6342] setpgid(0, 0 [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6339] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6344] set_robust_list(0x7fc4ee1839e0, 24 [pid 6343] <... setpgid resumed>) = 0 [pid 6342] <... setpgid resumed>) = 0 [pid 6340] ioctl(4, LOOP_SET_FD, 3 [pid 6339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6339] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6345 [pid 6344] memfd_create("syzkaller", 0 [pid 6343] <... openat resumed>) = 3 [pid 6342] <... openat resumed>) = 3 [pid 6340] close(4 [pid 6339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... memfd_create resumed>) = 3 [pid 6343] write(3, "1000", 4 [pid 6342] write(3, "1000", 4 [pid 6340] <... close resumed>) = 0 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = 0 [pid 6344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6343] <... write resumed>) = 4 [pid 6342] <... write resumed>) = 4 [pid 6340] close(3 [pid 6339] fspick(AT_FDCWD, ".", 0 [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6343] close(3 [pid 6342] close(3 [pid 6339] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... close resumed>) = 0 [pid 6339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6342] <... close resumed>) = 0 [pid 6340] <... close resumed>) = 0 [pid 6339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... mmap resumed>) = 0x7fc4ee163000 [pid 6342] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6338] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 1 [pid 6344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6343] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... mprotect resumed>) = 0 [pid 6342] <... mmap resumed>) = 0x7fc4ee163000 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6338] <... futex resumed>) = 0 [pid 6344] <... write resumed>) = 262144 [pid 6343] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6342] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6340] fspick(AT_FDCWD, ".", 0 [pid 6339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] munmap(0x7fc4e5d63000, 262144 [pid 6342] <... mprotect resumed>) = 0 [pid 6340] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6339] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6343] <... clone resumed>, parent_tid=[6346], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6346 [pid 6342] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... munmap resumed>) = 0 [pid 6343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6345 attached [pid 6344] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6343] <... futex resumed>) = 0 [pid 6342] <... clone resumed>, parent_tid=[6347], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6347 [pid 6340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] set_robust_list(0x5555563db5e0, 24 [pid 6344] <... openat resumed>) = 4 [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... openat resumed>) = 3 [pid 6338] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6347 attached [pid 6345] <... set_robust_list resumed>) = 0 [pid 6344] ioctl(4, LOOP_SET_FD, 3 [pid 6342] <... futex resumed>) = 0 [pid 6340] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] set_robust_list(0x7fc4ee1839e0, 24 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6340] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6339] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6347] <... set_robust_list resumed>) = 0 [pid 6345] <... prctl resumed>) = 0 [pid 6344] ioctl(4, LOOP_CLR_FD [pid 6340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] setpgid(0, 0 [pid 6344] <... ioctl resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... futex resumed>) = 0 [pid 6337] <... futex resumed>) = 0 [pid 6347] memfd_create("syzkaller", 0 [pid 6345] <... setpgid resumed>) = 0 [pid 6340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6346 attached [pid 6347] <... memfd_create resumed>) = 3 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6338] <... futex resumed>) = 0 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6346] set_robust_list(0x7fc4ee1839e0, 24 [pid 6345] <... openat resumed>) = 3 [pid 6340] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6339] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] write(3, "1000", 4 [pid 6340] <... openat resumed>) = 3 [pid 6339] <... futex resumed>) = 1 [pid 6337] <... futex resumed>) = 0 [pid 6346] memfd_create("syzkaller", 0 [pid 6345] <... write resumed>) = 4 [pid 6344] ioctl(4, LOOP_SET_FD, 3 [pid 6340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] exit_group(0 [pid 6346] <... memfd_create resumed>) = 3 [pid 6345] close(3 [pid 6344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6340] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = ? [pid 6338] <... futex resumed>) = 0 [pid 6337] <... exit_group resumed>) = ? [pid 6347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6345] <... close resumed>) = 0 [pid 6344] close(4 [pid 6340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] +++ exited with 0 +++ [pid 6338] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] +++ exited with 0 +++ [pid 6346] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... close resumed>) = 0 [pid 6340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6338] <... futex resumed>) = 0 [pid 6347] <... write resumed>) = 262144 [pid 6346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6345] <... futex resumed>) = 0 [pid 6344] close(3 [pid 6340] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6338] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6347] munmap(0x7fc4e5d63000, 262144 [pid 6346] <... write resumed>) = 262144 [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6344] <... close resumed>) = 0 [pid 6340] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6346] munmap(0x7fc4e5d63000, 262144 [pid 6345] <... mmap resumed>) = 0x7fc4ee163000 [pid 6344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 6347] <... munmap resumed>) = 0 [pid 6346] <... munmap resumed>) = 0 [pid 6345] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6344] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 1 [pid 6338] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6347] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6345] <... mprotect resumed>) = 0 [pid 6344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6338] exit_group(0 [pid 5004] <... ioctl resumed>) = 0 [pid 6347] <... openat resumed>) = 4 [pid 6346] <... openat resumed>) = 4 [pid 6345] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = ? [pid 6338] <... exit_group resumed>) = ? [pid 5004] close(3 [pid 6347] ioctl(4, LOOP_SET_FD, 3 [pid 6346] ioctl(4, LOOP_SET_FD, 3 [pid 6344] fspick(AT_FDCWD, ".", 0 [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] +++ exited with 0 +++ [pid 6338] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 6347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6345] <... clone resumed>, parent_tid=[6348], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6348 [pid 6344] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6347] ioctl(4, LOOP_CLR_FD [pid 6346] ioctl(4, LOOP_CLR_FD [pid 6345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... ioctl resumed>) = 0 [pid 6347] <... ioctl resumed>) = 0 [pid 6345] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6349 [pid 5000] <... openat resumed>) = 3 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6348 attached [pid 6344] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... ioctl resumed>) = 0 [pid 6348] set_robust_list(0x7fc4ee1839e0, 24 [pid 6346] ioctl(4, LOOP_SET_FD, 3 [pid 6344] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] ioctl(4, LOOP_SET_FD, 3 [pid 6346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... close resumed>) = 0 [pid 6348] memfd_create("syzkaller", 0 [pid 6347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6346] close(4 [pid 6344] <... futex resumed>) = 1 [pid 6341] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6349 attached [pid 6348] <... memfd_create resumed>) = 3 [pid 6347] close(4 [pid 6346] <... close resumed>) = 0 [pid 6344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] set_robust_list(0x5555563db5e0, 24 [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6347] <... close resumed>) = 0 [pid 6346] close(3 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6341] <... futex resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6350 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6347] close(3 [pid 6346] <... close resumed>) = 0 [pid 6344] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... prctl resumed>) = 0 [pid 6347] <... close resumed>) = 0 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6349] setpgid(0, 0 [pid 6347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... openat resumed>) = 3 [pid 6343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... setpgid resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] fspick(AT_FDCWD, ".", 0 [pid 6344] <... futex resumed>) = 1 [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6349] <... openat resumed>) = 3 [pid 6348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... futex resumed>) = 0 [pid 6341] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] write(3, "1000", 4 [pid 6347] fspick(AT_FDCWD, ".", 0 [pid 6346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6350 attached [pid 6349] <... write resumed>) = 4 [pid 6347] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... futex resumed>) = 1 [pid 6344] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6343] <... futex resumed>) = 0 [pid 6341] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] set_robust_list(0x5555563db5e0, 24 [pid 6349] close(3 [pid 6348] <... write resumed>) = 262144 [pid 6347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] <... close resumed>) = 0 [pid 6348] munmap(0x7fc4e5d63000, 262144 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6344] <... futex resumed>) = 1 [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = 0 [pid 6350] <... prctl resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] <... munmap resumed>) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6344] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6342] <... futex resumed>) = 0 [pid 6341] exit_group(0 [pid 6350] setpgid(0, 0 [pid 6349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6347] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = ? [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6341] <... exit_group resumed>) = ? [pid 6350] <... setpgid resumed>) = 0 [pid 6349] <... mmap resumed>) = 0x7fc4ee163000 [pid 6348] <... openat resumed>) = 4 [pid 6347] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... futex resumed>) = 1 [pid 6344] +++ exited with 0 +++ [pid 6343] <... futex resumed>) = 0 [pid 6341] +++ exited with 0 +++ [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6349] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6348] ioctl(4, LOOP_SET_FD, 3 [pid 6347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... openat resumed>) = 3 [pid 6349] <... mprotect resumed>) = 0 [pid 6348] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6350] write(3, "1000", 4 [pid 6349] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6348] ioctl(4, LOOP_CLR_FD [pid 6347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6350] <... write resumed>) = 4 [pid 6348] <... ioctl resumed>) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... openat resumed>) = 3 [pid 6342] <... futex resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6350] close(3 [pid 6349] <... clone resumed>, parent_tid=[6351], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6351 [pid 6347] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... close resumed>) = 0 [pid 6349] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... openat resumed>) = 3 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6351 attached [pid 6350] <... futex resumed>) = 0 [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] ioctl(4, LOOP_SET_FD, 3 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6342] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6351] set_robust_list(0x7fc4ee1839e0, 24 [pid 6350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6343] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] <... mmap resumed>) = 0x7fc4ee163000 [pid 6348] close(4 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6342] <... futex resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6350] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6348] <... close resumed>) = 0 [pid 6347] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6346] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] close(3 [pid 6351] memfd_create("syzkaller", 0 [pid 6350] <... mprotect resumed>) = 0 [pid 6348] close(3 [pid 6347] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6351] <... memfd_create resumed>) = 3 [pid 6350] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6346] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6348] <... close resumed>) = 0 [pid 6347] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 6351] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6350] <... clone resumed>, parent_tid=[6352], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6352 [pid 6348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 1 [pid 6346] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 6342] <... futex resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6353 [pid 6350] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = 1 [pid 6347] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] <... futex resumed>) = 0 [pid 6342] exit_group(0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6350] <... futex resumed>) = 0 [pid 6348] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... futex resumed>) = ? [pid 6345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... exit_group resumed>) = ? [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] +++ exited with 0 +++ [pid 6345] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = 0 [pid 6342] +++ exited with 0 +++ [pid 5003] close(3 [pid 6348] fspick(AT_FDCWD, ".", 0 [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 6348] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6354 [pid 6348] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... openat resumed>) = 3 [pid 6348] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6345] <... futex resumed>) = 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4999] <... ioctl resumed>) = 0 [pid 6351] <... write resumed>) = 262144 [pid 6348] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] close(3 [pid 6351] munmap(0x7fc4e5d63000, 262144 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6352 attached [pid 6348] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 [pid 6352] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6348] <... openat resumed>) = 3 [pid 6351] <... munmap resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] memfd_create("syzkaller", 0 [pid 6351] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... memfd_create resumed>) = 3 [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6353 attached [pid 6352] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6351] <... openat resumed>) = 4 [pid 6348] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6355 [pid 6353] set_robust_list(0x5555563db5e0, 24 [pid 6352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6351] ioctl(4, LOOP_SET_FD, 3 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6355 attached ./strace-static-x86_64: Process 6354 attached [pid 6353] <... set_robust_list resumed>) = 0 [pid 6351] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6348] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6345] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] set_robust_list(0x5555563db5e0, 24 [pid 6354] set_robust_list(0x5555563db5e0, 24 [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6351] ioctl(4, LOOP_CLR_FD [pid 6348] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] <... prctl resumed>) = 0 [pid 6351] <... ioctl resumed>) = 0 [pid 6348] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6353] setpgid(0, 0 [pid 6348] <... futex resumed>) = 1 [pid 6345] <... futex resumed>) = 0 [pid 6355] <... prctl resumed>) = 0 [pid 6354] <... prctl resumed>) = 0 [pid 6353] <... setpgid resumed>) = 0 [pid 6348] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6345] exit_group(0 [pid 6355] setpgid(0, 0 [pid 6354] setpgid(0, 0 [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] <... futex resumed>) = ? [pid 6345] <... exit_group resumed>) = ? [pid 6354] <... setpgid resumed>) = 0 [pid 6352] <... write resumed>) = 262144 [pid 6348] +++ exited with 0 +++ [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] munmap(0x7fc4e5d63000, 262144 [pid 6355] <... setpgid resumed>) = 0 [pid 6354] <... openat resumed>) = 3 [pid 6353] <... openat resumed>) = 3 [pid 6352] <... munmap resumed>) = 0 [pid 6345] +++ exited with 0 +++ [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] write(3, "1000", 4 [pid 6353] write(3, "1000", 4 [pid 6352] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6351] ioctl(4, LOOP_SET_FD, 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6355] <... openat resumed>) = 3 [pid 6354] <... write resumed>) = 4 [pid 6353] <... write resumed>) = 4 [pid 6352] <... openat resumed>) = 4 [pid 6351] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6355] write(3, "1000", 4 [pid 6354] close(3 [pid 6353] close(3 [pid 6352] ioctl(4, LOOP_SET_FD, 3 [pid 6351] close(4 [pid 6355] <... write resumed>) = 4 [pid 6354] <... close resumed>) = 0 [pid 6353] <... close resumed>) = 0 [pid 6352] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6351] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6355] close(3 [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] ioctl(4, LOOP_CLR_FD [pid 6351] close(3 [pid 5002] <... openat resumed>) = 3 [pid 6355] <... close resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6352] <... ioctl resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6351] <... close resumed>) = 0 [pid 6353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... ioctl resumed>) = 0 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... mmap resumed>) = 0x7fc4ee163000 [pid 6353] <... mmap resumed>) = 0x7fc4ee163000 [pid 6351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] close(3 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6354] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6353] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6351] <... futex resumed>) = 1 [pid 6349] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 6355] <... mmap resumed>) = 0x7fc4ee163000 [pid 6354] <... mprotect resumed>) = 0 [pid 6353] <... mprotect resumed>) = 0 [pid 6351] fspick(AT_FDCWD, ".", 0 [pid 6349] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6355] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6354] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6353] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6352] ioctl(4, LOOP_SET_FD, 3 [pid 6351] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6349] <... futex resumed>) = 0 [pid 6355] <... mprotect resumed>) = 0 [pid 6352] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6356 [pid 6355] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6354] <... clone resumed>, parent_tid=[6357], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6357 [pid 6353] <... clone resumed>, parent_tid=[6358], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6358 [pid 6352] close(4 [pid 6351] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = 0 [pid 6351] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6356 attached [pid 6355] <... clone resumed>, parent_tid=[6359], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6359 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6352] close(3 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6356] set_robust_list(0x5555563db5e0, 24 [pid 6355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6352] <... close resumed>) = 0 [pid 6351] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6358 attached [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... futex resumed>) = 0 [pid 6352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6358] set_robust_list(0x7fc4ee1839e0, 24 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6352] <... futex resumed>) = 1 [pid 6351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6356] <... prctl resumed>) = 0 [pid 6352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 1 [pid 6350] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6358] memfd_create("syzkaller", 0 [pid 6356] setpgid(0, 0 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] <... futex resumed>) = 0 [pid 6349] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... memfd_create resumed>) = 3 [pid 6356] <... setpgid resumed>) = 0 [pid 6352] fspick(AT_FDCWD, ".", 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6359 attached ./strace-static-x86_64: Process 6357 attached [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6351] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] set_robust_list(0x7fc4ee1839e0, 24 [pid 6357] set_robust_list(0x7fc4ee1839e0, 24 [pid 6356] <... openat resumed>) = 3 [pid 6352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] write(3, "1000", 4 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... openat resumed>) = 3 [pid 6350] <... futex resumed>) = 0 [pid 6359] memfd_create("syzkaller", 0 [pid 6357] memfd_create("syzkaller", 0 [pid 6356] <... write resumed>) = 4 [pid 6352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... memfd_create resumed>) = 3 [pid 6357] <... memfd_create resumed>) = 3 [pid 6356] close(3 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... futex resumed>) = 1 [pid 6350] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] <... close resumed>) = 0 [pid 6352] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6351] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6357] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6358] <... write resumed>) = 262144 [pid 6357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6356] <... futex resumed>) = 0 [pid 6352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6349] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... write resumed>) = 262144 [pid 6358] munmap(0x7fc4e5d63000, 262144 [pid 6357] <... write resumed>) = 262144 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6352] <... futex resumed>) = 1 [pid 6351] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6350] <... futex resumed>) = 0 [pid 6359] munmap(0x7fc4e5d63000, 262144 [pid 6357] munmap(0x7fc4e5d63000, 262144 [pid 6352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... munmap resumed>) = 0 [pid 6358] <... munmap resumed>) = 0 [pid 6357] <... munmap resumed>) = 0 [pid 6356] <... mmap resumed>) = 0x7fc4ee163000 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6359] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6358] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6357] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6356] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6352] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6351] <... futex resumed>) = 1 [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... futex resumed>) = 0 [pid 6359] <... openat resumed>) = 4 [pid 6358] <... openat resumed>) = 4 [pid 6357] <... openat resumed>) = 4 [pid 6356] <... mprotect resumed>) = 0 [pid 6352] <... openat resumed>) = 3 [pid 6351] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6349] exit_group(0 [pid 6359] ioctl(4, LOOP_SET_FD, 3 [pid 6358] ioctl(4, LOOP_SET_FD, 3 [pid 6357] ioctl(4, LOOP_SET_FD, 3 [pid 6356] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = ? [pid 6349] <... exit_group resumed>) = ? [pid 6359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6352] <... futex resumed>) = 1 [pid 6351] +++ exited with 0 +++ [pid 6350] <... futex resumed>) = 0 [pid 6349] +++ exited with 0 +++ [pid 6359] ioctl(4, LOOP_CLR_FD [pid 6358] ioctl(4, LOOP_CLR_FD [pid 6357] ioctl(4, LOOP_CLR_FD [pid 6356] <... clone resumed>, parent_tid=[6360], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6360 [pid 6352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6359] <... ioctl resumed>) = 0 [pid 6358] <... ioctl resumed>) = 0 [pid 6357] <... ioctl resumed>) = 0 [pid 6356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] <... futex resumed>) = 0 [pid 6356] <... futex resumed>) = 0 [pid 6352] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6350] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6352] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6352] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6352] <... futex resumed>) = 1 [pid 6350] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 6359] ioctl(4, LOOP_SET_FD, 3 [pid 6358] ioctl(4, LOOP_SET_FD, 3 [pid 6357] ioctl(4, LOOP_SET_FD, 3 [pid 6352] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6350] exit_group(0 [pid 5004] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6360 attached [pid 6359] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6358] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6352] <... futex resumed>) = ? [pid 6350] <... exit_group resumed>) = ? [pid 5004] <... ioctl resumed>) = 0 [pid 6360] set_robust_list(0x7fc4ee1839e0, 24 [pid 6359] close(4 [pid 6358] close(4 [pid 6357] close(4 [pid 6352] +++ exited with 0 +++ [pid 6350] +++ exited with 0 +++ [pid 5004] close(3 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] <... close resumed>) = 0 [pid 6358] <... close resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6360] memfd_create("syzkaller", 0 [pid 6359] close(3 [pid 6358] close(3 [pid 6357] close(3 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6360] <... memfd_create resumed>) = 3 [pid 6359] <... close resumed>) = 0 [pid 6358] <... close resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6361 [pid 6359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6359] fspick(AT_FDCWD, ".", 0 [pid 6358] fspick(AT_FDCWD, ".", 0 [pid 6357] fspick(AT_FDCWD, ".", 0 [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6359] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6358] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6357] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... ioctl resumed>) = 0 [pid 6360] <... write resumed>) = 262144 [pid 6359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 6360] munmap(0x7fc4e5d63000, 262144 [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 6359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6361 attached [pid 6360] <... munmap resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6361] set_robust_list(0x5555563db5e0, 24 [pid 6360] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6359] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6358] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6357] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6362 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] <... openat resumed>) = 4 [pid 6359] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6358] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6357] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] ioctl(4, LOOP_SET_FD, 3 [pid 6359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6362 attached [pid 6361] <... prctl resumed>) = 0 [pid 6360] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6361] setpgid(0, 0 [pid 6360] ioctl(4, LOOP_CLR_FD [pid 6359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] set_robust_list(0x5555563db5e0, 24 [pid 6361] <... setpgid resumed>) = 0 [pid 6360] <... ioctl resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6358] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6357] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6361] <... openat resumed>) = 3 [pid 6359] <... openat resumed>) = 3 [pid 6358] <... openat resumed>) = 3 [pid 6357] <... openat resumed>) = 3 [pid 6362] <... prctl resumed>) = 0 [pid 6361] write(3, "1000", 4 [pid 6360] ioctl(4, LOOP_SET_FD, 3 [pid 6359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] setpgid(0, 0 [pid 6361] <... write resumed>) = 4 [pid 6360] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 1 [pid 6357] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... setpgid resumed>) = 0 [pid 6361] close(3 [pid 6360] close(4 [pid 6359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] <... close resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6362] <... openat resumed>) = 3 [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] close(3 [pid 6359] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6358] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6357] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6355] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6354] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] write(3, "1000", 4 [pid 6361] <... futex resumed>) = 0 [pid 6359] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6357] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6362] <... write resumed>) = 4 [pid 6361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] <... close resumed>) = 0 [pid 6359] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6357] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(3 [pid 6361] <... mmap resumed>) = 0x7fc4ee163000 [pid 6360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = 1 [pid 6358] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 1 [pid 6355] <... futex resumed>) = 0 [pid 6354] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = 0 [pid 6361] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6360] <... futex resumed>) = 1 [pid 6359] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = 0 [pid 6355] exit_group(0 [pid 6354] exit_group(0 [pid 6353] <... futex resumed>) = 0 [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] <... mprotect resumed>) = 0 [pid 6360] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] <... futex resumed>) = ? [pid 6358] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6357] <... futex resumed>) = ? [pid 6356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... exit_group resumed>) = ? [pid 6354] <... exit_group resumed>) = ? [pid 6353] exit_group(0 [pid 6362] <... futex resumed>) = 0 [pid 6361] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] +++ exited with 0 +++ [pid 6358] <... futex resumed>) = ? [pid 6357] +++ exited with 0 +++ [pid 6356] <... futex resumed>) = 0 [pid 6355] +++ exited with 0 +++ [pid 6354] +++ exited with 0 +++ [pid 6353] <... exit_group resumed>) = ? [pid 6362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] fspick(AT_FDCWD, ".", 0 [pid 6358] +++ exited with 0 +++ [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6361] <... clone resumed>, parent_tid=[6363], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6363 [pid 6361] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6353] +++ exited with 0 +++ [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6362] <... mmap resumed>) = 0x7fc4ee163000 [pid 6360] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6362] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6362] <... mprotect resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6362] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6360] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4999] <... restart_syscall resumed>) = 0 [pid 6362] <... clone resumed>, parent_tid=[6364], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6364 [pid 6360] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5001] <... openat resumed>) = 3 [pid 6362] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6362] <... futex resumed>) = 0 [pid 6360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5001] <... ioctl resumed>) = 0 [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6360] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5001] close(3 [pid 6360] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(3 [pid 5001] <... close resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6363 attached [pid 6360] <... openat resumed>) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6365 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6363] set_robust_list(0x7fc4ee1839e0, 24 [pid 6360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6366 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6364 attached [pid 6360] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] memfd_create("syzkaller", 0 [pid 4999] close(3 [pid 6364] set_robust_list(0x7fc4ee1839e0, 24 [pid 6360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] <... memfd_create resumed>) = 3 [pid 6360] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6356] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... close resumed>) = 0 [pid 6364] memfd_create("syzkaller", 0 [pid 6363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6360] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6364] <... memfd_create resumed>) = 3 [pid 6363] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6360] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4e5d63000 [pid 6360] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6366 attached [pid 6364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6360] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] exit_group(0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6367 [pid 6366] set_robust_list(0x5555563db5e0, 24 [pid 6364] <... write resumed>) = 262144 [pid 6363] <... write resumed>) = 262144 [pid 6360] <... futex resumed>) = ? [pid 6356] <... exit_group resumed>) = ? [pid 6360] +++ exited with 0 +++ ./strace-static-x86_64: Process 6365 attached [pid 6365] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] munmap(0x7fc4e5d63000, 262144 [pid 6356] +++ exited with 0 +++ [pid 6365] <... prctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6365] setpgid(0, 0 [pid 6364] munmap(0x7fc4e5d63000, 262144 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] <... setpgid resumed>) = 0 [pid 6364] <... munmap resumed>) = 0 [pid 6363] <... munmap resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6366] <... prctl resumed>) = 0 [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 6367 attached [pid 6366] setpgid(0, 0 [pid 6365] <... openat resumed>) = 3 [pid 6364] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6363] <... openat resumed>) = 4 [pid 6367] set_robust_list(0x5555563db5e0, 24 [pid 6366] <... setpgid resumed>) = 0 [pid 6365] write(3, "1000", 4 [pid 6364] <... openat resumed>) = 4 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6367] <... set_robust_list resumed>) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6365] <... write resumed>) = 4 [pid 6364] ioctl(4, LOOP_SET_FD, 3 [pid 6363] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] <... openat resumed>) = 3 [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6366] <... openat resumed>) = 3 [pid 6365] close(3 [pid 6364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6363] ioctl(4, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6367] <... prctl resumed>) = 0 [pid 6366] write(3, "1000", 4 [pid 6365] <... close resumed>) = 0 [pid 6364] ioctl(4, LOOP_CLR_FD [pid 6363] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 6367] setpgid(0, 0 [pid 6366] <... write resumed>) = 4 [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... ioctl resumed>) = 0 [pid 5002] close(3 [pid 6367] <... setpgid resumed>) = 0 [pid 6366] close(3 [pid 6365] <... futex resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] <... close resumed>) = 0 [pid 6365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6367] <... openat resumed>) = 3 [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... mmap resumed>) = 0x7fc4ee163000 [pid 6367] write(3, "1000", 4 [pid 6366] <... futex resumed>) = 0 [pid 6365] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6364] ioctl(4, LOOP_SET_FD, 3 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6368 [pid 6367] <... write resumed>) = 4 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6365] <... mprotect resumed>) = 0 [pid 6364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6363] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6367] close(3 [pid 6366] <... mmap resumed>) = 0x7fc4ee163000 [pid 6365] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6364] close(4 [pid 6363] close(4 [pid 6367] <... close resumed>) = 0 [pid 6366] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6364] <... close resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... mprotect resumed>) = 0 [pid 6365] <... clone resumed>, parent_tid=[6369], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6369 [pid 6364] close(3 [pid 6363] close(3./strace-static-x86_64: Process 6368 attached [pid 6367] <... futex resumed>) = 0 [pid 6366] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... close resumed>) = 0 [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6365] <... futex resumed>) = 0 [pid 6364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] set_robust_list(0x5555563db5e0, 24 [pid 6367] <... mmap resumed>) = 0x7fc4ee163000 [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6364] <... futex resumed>) = 1 [pid 6363] <... close resumed>) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6366] <... clone resumed>, parent_tid=[6370], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6370 [pid 6364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] <... mprotect resumed>) = 0 [pid 6366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6368] <... prctl resumed>) = 0 [pid 6367] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6366] <... futex resumed>) = 0 [pid 6364] fspick(AT_FDCWD, ".", 0 [pid 6363] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] setpgid(0, 0 [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6364] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6369 attached [pid 6368] <... setpgid resumed>) = 0 [pid 6367] <... clone resumed>, parent_tid=[6371], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6371 [pid 6364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] fspick(AT_FDCWD, ".", 0 [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6370 attached [pid 6369] set_robust_list(0x7fc4ee1839e0, 24 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 1 [pid 6363] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6362] <... futex resumed>) = 0 [pid 6370] set_robust_list(0x7fc4ee1839e0, 24 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6368] <... openat resumed>) = 3 [pid 6367] <... futex resumed>) = 0 [pid 6364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] memfd_create("syzkaller", 0 [pid 6368] write(3, "1000", 4 [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6370] memfd_create("syzkaller", 0 [pid 6369] <... memfd_create resumed>) = 3 [pid 6368] <... write resumed>) = 4 [pid 6364] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6363] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... memfd_create resumed>) = 3 [pid 6369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6368] close(3 [pid 6364] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 [pid 6370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6369] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6368] <... close resumed>) = 0 [pid 6364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6371 attached [pid 6370] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] <... futex resumed>) = 1 [pid 6363] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6362] <... futex resumed>) = 0 [pid 6371] set_robust_list(0x7fc4ee1839e0, 24 [pid 6370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6369] <... write resumed>) = 262144 [pid 6368] <... futex resumed>) = 0 [pid 6364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... set_robust_list resumed>) = 0 [pid 6369] munmap(0x7fc4e5d63000, 262144 [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6371] memfd_create("syzkaller", 0 [pid 6370] <... write resumed>) = 262144 [pid 6369] <... munmap resumed>) = 0 [pid 6368] <... mmap resumed>) = 0x7fc4ee163000 [pid 6364] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6363] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... memfd_create resumed>) = 3 [pid 6370] munmap(0x7fc4e5d63000, 262144 [pid 6369] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6368] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6364] <... openat resumed>) = 3 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 [pid 6371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6369] <... openat resumed>) = 4 [pid 6368] <... mprotect resumed>) = 0 [pid 6364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6369] ioctl(4, LOOP_SET_FD, 3 [pid 6364] <... futex resumed>) = 1 [pid 6371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6368] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] <... openat resumed>) = 3 [pid 6362] <... futex resumed>) = 0 [pid 6370] <... munmap resumed>) = 0 [pid 6371] <... write resumed>) = 262144 [pid 6369] ioctl(4, LOOP_CLR_FD [pid 6370] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] munmap(0x7fc4e5d63000, 262144 [pid 6370] <... openat resumed>) = 4 [pid 6369] <... ioctl resumed>) = 0 [pid 6368] <... clone resumed>, parent_tid=[6372], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6372 [pid 6364] <... futex resumed>) = 0 [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 0 [pid 6371] <... munmap resumed>) = 0 [pid 6370] ioctl(4, LOOP_SET_FD, 3 [pid 6368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6364] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6363] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6361] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6368] <... futex resumed>) = 0 [pid 6364] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6361] <... futex resumed>) = 0 [pid 6371] <... openat resumed>) = 4 [pid 6370] ioctl(4, LOOP_CLR_FD [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6364] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6361] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6370] <... ioctl resumed>) = 0 [pid 6369] ioctl(4, LOOP_SET_FD, 3 [pid 6364] <... futex resumed>) = 1 [pid 6363] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6362] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6372 attached [pid 6371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6364] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6363] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] exit_group(0 [pid 6372] set_robust_list(0x7fc4ee1839e0, 24 [pid 6371] ioctl(4, LOOP_CLR_FD [pid 6369] close(4 [pid 6364] <... futex resumed>) = ? [pid 6363] <... futex resumed>) = 1 [pid 6362] <... exit_group resumed>) = ? [pid 6361] <... futex resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] <... ioctl resumed>) = 0 [pid 6369] <... close resumed>) = 0 [pid 6364] +++ exited with 0 +++ [pid 6363] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] +++ exited with 0 +++ [pid 6361] exit_group(0 [pid 6372] memfd_create("syzkaller", 0 [pid 6370] ioctl(4, LOOP_SET_FD, 3 [pid 6369] close(3 [pid 6363] <... futex resumed>) = ? [pid 6361] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6362, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6372] <... memfd_create resumed>) = 3 [pid 6370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6369] <... close resumed>) = 0 [pid 6363] +++ exited with 0 +++ [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] +++ exited with 0 +++ [pid 5000] <... restart_syscall resumed>) = 0 [pid 6372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6370] close(4 [pid 6369] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6372] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6371] close(4 [pid 6370] <... close resumed>) = 0 [pid 6369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... close resumed>) = 0 [pid 6370] close(3 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6371] close(3 [pid 6369] fspick(AT_FDCWD, ".", 0 [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... openat resumed>) = 3 [pid 6372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6371] <... close resumed>) = 0 [pid 6370] <... close resumed>) = 0 [pid 6369] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 6372] <... write resumed>) = 262144 [pid 6371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 6372] munmap(0x7fc4e5d63000, 262144 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6372] <... munmap resumed>) = 0 [pid 6371] fspick(AT_FDCWD, ".", 0 [pid 6370] fspick(AT_FDCWD, ".", 0 [pid 6369] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 6372] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6371] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6370] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6369] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6373 [pid 6372] <... openat resumed>) = 4 [pid 6371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 1 [pid 6372] ioctl(4, LOOP_SET_FD, 3 [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6372] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6374 ./strace-static-x86_64: Process 6373 attached [pid 6372] ioctl(4, LOOP_CLR_FD [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6373] set_robust_list(0x5555563db5e0, 24 [pid 6372] <... ioctl resumed>) = 0 [pid 6371] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6370] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6369] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... set_robust_list resumed>) = 0 [pid 6371] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6370] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6369] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6374 attached [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] set_robust_list(0x5555563db5e0, 24 [pid 6373] <... prctl resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6374] <... set_robust_list resumed>) = 0 [pid 6373] setpgid(0, 0 [pid 6372] ioctl(4, LOOP_SET_FD, 3 [pid 6371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] <... setpgid resumed>) = 0 [pid 6372] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6374] <... prctl resumed>) = 0 [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] close(4 [pid 6371] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6370] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6369] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] setpgid(0, 0 [pid 6373] <... openat resumed>) = 3 [pid 6372] <... close resumed>) = 0 [pid 6371] <... openat resumed>) = 3 [pid 6370] <... openat resumed>) = 3 [pid 6369] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6374] <... setpgid resumed>) = 0 [pid 6373] write(3, "1000", 4 [pid 6372] close(3 [pid 6371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 1 [pid 6367] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6374] <... openat resumed>) = 3 [pid 6373] <... write resumed>) = 4 [pid 6372] <... close resumed>) = 0 [pid 6371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] <... futex resumed>) = 1 [pid 6369] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... futex resumed>) = 0 [pid 6365] exit_group(0 [pid 6374] write(3, "1000", 4 [pid 6373] close(3 [pid 6372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] <... futex resumed>) = ? [pid 6367] <... futex resumed>) = 0 [pid 6366] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... exit_group resumed>) = ? [pid 6374] <... write resumed>) = 4 [pid 6373] <... close resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6371] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] +++ exited with 0 +++ [pid 6368] <... futex resumed>) = 0 [pid 6367] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] <... futex resumed>) = 0 [pid 6365] +++ exited with 0 +++ [pid 6374] close(3 [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6371] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6370] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... close resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6368] <... futex resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] fspick(AT_FDCWD, ".", 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] <... futex resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6374] <... futex resumed>) = 0 [pid 6373] <... mmap resumed>) = 0x7fc4ee163000 [pid 6372] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6371] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] <... futex resumed>) = 1 [pid 6367] exit_group(0 [pid 6366] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6373] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... futex resumed>) = ? [pid 6370] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... exit_group resumed>) = ? [pid 6366] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6374] <... mmap resumed>) = 0x7fc4ee163000 [pid 6373] <... mprotect resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6371] +++ exited with 0 +++ [pid 6370] <... futex resumed>) = ? [pid 6368] <... futex resumed>) = 0 [pid 6367] +++ exited with 0 +++ [pid 6366] <... exit_group resumed>) = ? [pid 5001] <... ioctl resumed>) = 0 [pid 6374] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6373] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6372] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] +++ exited with 0 +++ [pid 6368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] close(3 [pid 6374] <... mprotect resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6374] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6366] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6372] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6374] <... clone resumed>, parent_tid=[6376], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6376 [pid 6373] <... clone resumed>, parent_tid=[6375], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6375 [pid 6372] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6377 [pid 6374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6372] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... openat resumed>) = 3 [pid 6372] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6377 attached [pid 6372] <... openat resumed>) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 6377] set_robust_list(0x5555563db5e0, 24 [pid 6372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6376 attached [pid 6377] <... set_robust_list resumed>) = 0 [pid 6372] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 5003] close(3 [pid 4999] close(3 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] set_robust_list(0x7fc4ee1839e0, 24 [pid 6372] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6377] <... prctl resumed>) = 0 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6377] setpgid(0, 0 [pid 6376] memfd_create("syzkaller", 0 [pid 6372] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6368] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... setpgid resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6378 [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] <... memfd_create resumed>) = 3 [pid 6372] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6377] <... openat resumed>) = 3 [pid 6376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6379 [pid 6377] write(3, "1000", 4 [pid 6376] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6372] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6377] <... write resumed>) = 4 [pid 6372] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] exit_group(0 [pid 6377] close(3 [pid 6372] <... futex resumed>) = ? [pid 6368] <... exit_group resumed>) = ? [pid 6377] <... close resumed>) = 0 [pid 6372] +++ exited with 0 +++ [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6377] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6368] +++ exited with 0 +++ ./strace-static-x86_64: Process 6375 attached [pid 6377] <... mprotect resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6377] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6375] set_robust_list(0x7fc4ee1839e0, 24./strace-static-x86_64: Process 6379 attached ) = 0 [pid 6379] set_robust_list(0x5555563db5e0, 24 [pid 6377] <... clone resumed>, parent_tid=[6380], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6380 [pid 6375] memfd_create("syzkaller", 0 [pid 6379] <... set_robust_list resumed>) = 0 [pid 6377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... write resumed>) = 262144 [pid 6375] <... memfd_create resumed>) = 3 [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6377] <... futex resumed>) = 0 [pid 6375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6376] munmap(0x7fc4e5d63000, 262144./strace-static-x86_64: Process 6378 attached [pid 6379] <... prctl resumed>) = 0 [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6375] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6379] setpgid(0, 0 [pid 6378] set_robust_list(0x5555563db5e0, 24 [pid 6376] <... munmap resumed>) = 0 [pid 6375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6380 attached [pid 6379] <... setpgid resumed>) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6376] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5002] <... openat resumed>) = 3 [pid 6380] set_robust_list(0x7fc4ee1839e0, 24 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... openat resumed>) = 4 [pid 6375] <... write resumed>) = 262144 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] <... openat resumed>) = 3 [pid 6378] <... prctl resumed>) = 0 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... ioctl resumed>) = 0 [pid 6380] memfd_create("syzkaller", 0 [pid 6379] write(3, "1000", 4 [pid 6378] setpgid(0, 0 [pid 6376] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5002] close(3 [pid 6380] <... memfd_create resumed>) = 3 [pid 6379] <... write resumed>) = 4 [pid 6378] <... setpgid resumed>) = 0 [pid 6376] ioctl(4, LOOP_CLR_FD [pid 5002] <... close resumed>) = 0 [pid 6380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6379] close(3 [pid 6378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] <... ioctl resumed>) = 0 [pid 6375] munmap(0x7fc4e5d63000, 262144 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6380] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6379] <... close resumed>) = 0 [pid 6378] <... openat resumed>) = 3 [pid 6375] <... munmap resumed>) = 0 [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] write(3, "1000", 4 [pid 6375] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6381 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... write resumed>) = 4 [pid 6375] <... openat resumed>) = 4 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6378] close(3 [pid 6375] ioctl(4, LOOP_SET_FD, 3 [pid 6380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6379] <... mmap resumed>) = 0x7fc4ee163000 [pid 6378] <... close resumed>) = 0 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 6375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6379] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6375] ioctl(4, LOOP_CLR_FD [pid 6379] <... mprotect resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6376] close(4 [pid 6375] <... ioctl resumed>) = 0 [pid 6380] <... write resumed>) = 262144 [pid 6379] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... close resumed>) = 0 [pid 6380] munmap(0x7fc4e5d63000, 262144 [pid 6378] <... mmap resumed>) = 0x7fc4ee163000 [pid 6376] close(3 [pid 6379] <... clone resumed>, parent_tid=[6382], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6382 [pid 6378] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6379] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6376] <... close resumed>) = 0 [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6378] <... mprotect resumed>) = 0 [pid 6375] ioctl(4, LOOP_SET_FD, 3 [pid 6376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6376] <... futex resumed>) = 1 [pid 6375] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6374] <... futex resumed>) = 0 [pid 6380] <... munmap resumed>) = 0 [pid 6376] fspick(AT_FDCWD, ".", 0 [pid 6375] close(4 [pid 6374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6378] <... clone resumed>, parent_tid=[6383], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6383 [pid 6376] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6375] <... close resumed>) = 0 [pid 6374] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6381 attached [pid 6380] <... openat resumed>) = 4 [pid 6378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] close(3 [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] set_robust_list(0x5555563db5e0, 24 [pid 6380] ioctl(4, LOOP_SET_FD, 3 [pid 6378] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6375] <... close resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6383 attached [pid 6381] <... set_robust_list resumed>) = 0 [pid 6380] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] set_robust_list(0x7fc4ee1839e0, 24 [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6380] ioctl(4, LOOP_CLR_FD [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6381] <... prctl resumed>) = 0 [pid 6380] <... ioctl resumed>) = 0 [pid 6376] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] memfd_create("syzkaller", 0 [pid 6381] setpgid(0, 0 [pid 6376] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6382 attached [pid 6383] <... memfd_create resumed>) = 3 [pid 6381] <... setpgid resumed>) = 0 [pid 6376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] fspick(AT_FDCWD, ".", 0 [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6382] set_robust_list(0x7fc4ee1839e0, 24 [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] <... futex resumed>) = 1 [pid 6375] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6374] <... futex resumed>) = 0 [pid 6383] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] <... openat resumed>) = 3 [pid 6376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] memfd_create("syzkaller", 0 [pid 6381] write(3, "1000", 4 [pid 6380] ioctl(4, LOOP_SET_FD, 3 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6382] <... memfd_create resumed>) = 3 [pid 6381] <... write resumed>) = 4 [pid 6380] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6376] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6381] close(3 [pid 6380] close(4 [pid 6376] <... openat resumed>) = 3 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6382] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6381] <... close resumed>) = 0 [pid 6380] <... close resumed>) = 0 [pid 6376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... write resumed>) = 262144 [pid 6382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] close(3 [pid 6376] <... futex resumed>) = 1 [pid 6375] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6374] <... futex resumed>) = 0 [pid 6383] munmap(0x7fc4e5d63000, 262144 [pid 6382] <... write resumed>) = 262144 [pid 6381] <... futex resumed>) = 0 [pid 6380] <... close resumed>) = 0 [pid 6376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] munmap(0x7fc4e5d63000, 262144 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6375] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6383] <... munmap resumed>) = 0 [pid 6382] <... munmap resumed>) = 0 [pid 6381] <... mmap resumed>) = 0x7fc4ee163000 [pid 6380] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6376] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6382] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6381] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6380] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6383] <... openat resumed>) = 4 [pid 6382] <... openat resumed>) = 4 [pid 6381] <... mprotect resumed>) = 0 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] ioctl(4, LOOP_SET_FD, 3 [pid 6382] ioctl(4, LOOP_SET_FD, 3 [pid 6381] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6380] fspick(AT_FDCWD, ".", 0 [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 1 [pid 6375] <... openat resumed>) = 3 [pid 6374] <... futex resumed>) = 0 [pid 6383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6382] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6380] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6376] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] exit_group(0 [pid 6383] ioctl(4, LOOP_CLR_FD [pid 6382] ioctl(4, LOOP_CLR_FD [pid 6381] <... clone resumed>, parent_tid=[6384], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6384 [pid 6380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = ? [pid 6375] <... futex resumed>) = 1 [pid 6374] <... exit_group resumed>) = ? [pid 6373] <... futex resumed>) = 0 [pid 6383] <... ioctl resumed>) = 0 [pid 6382] <... ioctl resumed>) = 0 [pid 6381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6376] +++ exited with 0 +++ [pid 6375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] +++ exited with 0 +++ [pid 6373] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6384 attached [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6375] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6373] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] set_robust_list(0x7fc4ee1839e0, 24 [pid 6380] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] ioctl(4, LOOP_SET_FD, 3 [pid 6382] ioctl(4, LOOP_SET_FD, 3 [pid 6380] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6375] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] memfd_create("syzkaller", 0 [pid 6383] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6382] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6384] <... memfd_create resumed>) = 3 [pid 6383] close(4 [pid 6382] close(4 [pid 6380] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6375] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] exit_group(0 [pid 6384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6383] <... close resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6380] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... futex resumed>) = ? [pid 6373] <... exit_group resumed>) = ? [pid 6384] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6383] close(3 [pid 6382] close(3 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6375] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6383] <... close resumed>) = 0 [pid 6382] <... close resumed>) = 0 [pid 6380] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = 1 [pid 6380] <... openat resumed>) = 3 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6383] fspick(AT_FDCWD, ".", 0 [pid 6382] fspick(AT_FDCWD, ".", 0 [pid 6380] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6384] <... write resumed>) = 262144 [pid 6383] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6382] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 6384] munmap(0x7fc4e5d63000, 262144 [pid 6383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6377] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3 [pid 6384] <... munmap resumed>) = 0 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... futex resumed>) = 1 [pid 6380] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 6384] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6385 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6384] <... openat resumed>) = 4 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6384] ioctl(4, LOOP_SET_FD, 3 [pid 6383] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6382] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6380] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] exit_group(0 [pid 6384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6383] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6382] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6380] <... futex resumed>) = ? [pid 6377] <... exit_group resumed>) = ? [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6386 [pid 6384] ioctl(4, LOOP_CLR_FD [pid 6383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] +++ exited with 0 +++ [pid 6384] <... ioctl resumed>) = 0 [pid 6383] <... futex resumed>) = 1 [pid 6378] <... futex resumed>) = 0 [pid 6383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6377] +++ exited with 0 +++ [pid 6383] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6382] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6386 attached ./strace-static-x86_64: Process 6385 attached [pid 6383] <... openat resumed>) = 3 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [pid 6385] set_robust_list(0x5555563db5e0, 24 [pid 6384] ioctl(4, LOOP_SET_FD, 3 [pid 6383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] set_robust_list(0x5555563db5e0, 24 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6383] <... futex resumed>) = 1 [pid 6382] <... openat resumed>) = 3 [pid 6378] <... futex resumed>) = 0 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6384] close(4 [pid 6383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... prctl resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6385] setpgid(0, 0 [pid 6384] close(3 [pid 6383] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6382] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... prctl resumed>) = 0 [pid 6385] <... setpgid resumed>) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [pid 6386] setpgid(0, 0 [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6379] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6386] <... setpgid resumed>) = 0 [pid 6385] <... openat resumed>) = 3 [pid 6384] <... futex resumed>) = 1 [pid 6383] <... futex resumed>) = 1 [pid 6382] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6381] <... futex resumed>) = 0 [pid 6378] <... futex resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6385] write(3, "1000", 4 [pid 6384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6383] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6382] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] exit_group(0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6386] <... openat resumed>) = 3 [pid 6385] <... write resumed>) = 4 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... futex resumed>) = ? [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 0 [pid 6378] <... exit_group resumed>) = ? [pid 5001] <... ioctl resumed>) = 0 [pid 6386] write(3, "1000", 4 [pid 6385] close(3 [pid 6384] fspick(AT_FDCWD, ".", 0 [pid 6383] +++ exited with 0 +++ [pid 6382] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] exit_group(0 [pid 6378] +++ exited with 0 +++ [pid 5001] close(3 [pid 6386] <... write resumed>) = 4 [pid 6385] <... close resumed>) = 0 [pid 6384] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6382] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... close resumed>) = 0 [pid 6386] close(3 [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6384] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6384] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... openat resumed>) = 3 [pid 6384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6384] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6381] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6384] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6384] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] exit_group(0 [pid 6384] <... futex resumed>) = ? [pid 6381] <... exit_group resumed>) = ? [pid 6384] +++ exited with 0 +++ [pid 6381] +++ exited with 0 +++ [pid 6382] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 6386] <... close resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6386] <... futex resumed>) = 0 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6385] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6387 [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6386] <... mmap resumed>) = 0x7fc4ee163000 [pid 6385] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5003] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 6386] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6385] <... mprotect resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6386] <... mprotect resumed>) = 0 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] <... ioctl resumed>) = 0 [pid 4999] <... ioctl resumed>) = 0 [pid 6386] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6385] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] close(3 [pid 5002] close(3 [pid 4999] close(3 [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 4999] <... close resumed>) = 0 [pid 6386] <... clone resumed>, parent_tid=[6388], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6388 [pid 6385] <... clone resumed>, parent_tid=[6389], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6389 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6391 [pid 6386] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6390 ./strace-static-x86_64: Process 6387 attached [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6392 [pid 6387] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6387] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6392 attached [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6392] set_robust_list(0x5555563db5e0, 24./strace-static-x86_64: Process 6390 attached ./strace-static-x86_64: Process 6388 attached ) = 0 [pid 6387] write(3, "1000", 4./strace-static-x86_64: Process 6389 attached ) = 4 [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6389] set_robust_list(0x7fc4ee1839e0, 24 [pid 6387] close(3 [pid 6392] <... prctl resumed>) = 0 [pid 6390] set_robust_list(0x5555563db5e0, 24 [pid 6388] set_robust_list(0x7fc4ee1839e0, 24 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6387] <... close resumed>) = 0 [pid 6389] memfd_create("syzkaller", 0 [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... memfd_create resumed>) = 3 [pid 6387] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6391 attached [pid 6392] setpgid(0, 0 [pid 6390] <... set_robust_list resumed>) = 0 [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... setpgid resumed>) = 0 [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] set_robust_list(0x5555563db5e0, 24 [pid 6389] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6388] memfd_create("syzkaller", 0 [pid 6387] <... mmap resumed>) = 0x7fc4ee163000 [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6390] <... prctl resumed>) = 0 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6388] <... memfd_create resumed>) = 3 [pid 6387] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6392] <... openat resumed>) = 3 [pid 6390] setpgid(0, 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6392] write(3, "1000", 4 [pid 6390] <... setpgid resumed>) = 0 [pid 6391] <... prctl resumed>) = 0 [pid 6388] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6387] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6392] <... write resumed>) = 4 [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] setpgid(0, 0) = 0 [pid 6387] <... clone resumed>, parent_tid=[6393], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6393 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6387] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(3 [pid 6390] <... openat resumed>) = 3 [pid 6391] <... openat resumed>) = 3 [pid 6389] <... write resumed>) = 262144 [pid 6388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6387] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = 0 [pid 6390] write(3, "1000", 4 [pid 6391] write(3, "1000", 4 [pid 6389] munmap(0x7fc4e5d63000, 262144 [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... write resumed>) = 4 [pid 6391] <... write resumed>) = 4 [pid 6389] <... munmap resumed>) = 0 [pid 6388] <... write resumed>) = 262144 [pid 6392] <... futex resumed>) = 0 [pid 6390] close(3 [pid 6391] close(3 [pid 6389] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6388] munmap(0x7fc4e5d63000, 262144 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6390] <... close resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6389] <... openat resumed>) = 4 [pid 6392] <... mmap resumed>) = 0x7fc4ee163000 [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] ioctl(4, LOOP_SET_FD, 3 [pid 6388] <... munmap resumed>) = 0 [pid 6392] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6390] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6392] <... mprotect resumed>) = 0 [pid 6390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6389] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6393 attached [pid 6392] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6390] <... mmap resumed>) = 0x7fc4ee163000 [pid 6391] <... mmap resumed>) = 0x7fc4ee163000 [pid 6389] ioctl(4, LOOP_CLR_FD [pid 6388] <... openat resumed>) = 4 [pid 6393] set_robust_list(0x7fc4ee1839e0, 24 [pid 6390] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6391] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6389] <... ioctl resumed>) = 0 [pid 6388] ioctl(4, LOOP_SET_FD, 3 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6392] <... clone resumed>, parent_tid=[6394], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6394 [pid 6390] <... mprotect resumed>) = 0 [pid 6391] <... mprotect resumed>) = 0 [pid 6388] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] memfd_create("syzkaller", 0 [pid 6392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6391] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6388] ioctl(4, LOOP_CLR_FD [pid 6393] <... memfd_create resumed>) = 3 [pid 6392] <... futex resumed>) = 0 [pid 6388] <... ioctl resumed>) = 0 [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6390] <... clone resumed>, parent_tid=[6395], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6395 [pid 6391] <... clone resumed>, parent_tid=[6396], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6396 [pid 6393] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6390] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6394 attached [pid 6393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6390] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6389] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6395 attached [pid 6394] set_robust_list(0x7fc4ee1839e0, 24 [pid 6393] <... write resumed>) = 262144 [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6389] close(4 [pid 6388] ioctl(4, LOOP_SET_FD, 3 [pid 6395] set_robust_list(0x7fc4ee1839e0, 24 [pid 6394] <... set_robust_list resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6388] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] memfd_create("syzkaller", 0 [pid 6393] munmap(0x7fc4e5d63000, 262144 [pid 6389] close(3 [pid 6388] close(4 [pid 6395] memfd_create("syzkaller", 0 [pid 6394] <... memfd_create resumed>) = 3 [pid 6393] <... munmap resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6388] <... close resumed>) = 0 [pid 6395] <... memfd_create resumed>) = 3 [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] close(3 [pid 6395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6394] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6389] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6393] <... openat resumed>) = 4 [pid 6389] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] <... close resumed>) = 0 [pid 6385] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6396 attached [pid 6393] ioctl(4, LOOP_SET_FD, 3 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] set_robust_list(0x7fc4ee1839e0, 24 [pid 6393] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6389] fspick(AT_FDCWD, ".", 0 [pid 6396] <... set_robust_list resumed>) = 0 [pid 6394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6393] ioctl(4, LOOP_CLR_FD [pid 6389] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6396] memfd_create("syzkaller", 0 [pid 6395] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6393] <... ioctl resumed>) = 0 [pid 6389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... memfd_create resumed>) = 3 [pid 6394] <... write resumed>) = 262144 [pid 6389] <... futex resumed>) = 0 [pid 6388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6394] munmap(0x7fc4e5d63000, 262144 [pid 6389] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] fspick(AT_FDCWD, ".", 0 [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 0 [pid 6396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6394] <... munmap resumed>) = 0 [pid 6389] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6388] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] <... write resumed>) = 262144 [pid 6394] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6393] ioctl(4, LOOP_SET_FD, 3 [pid 6389] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... write resumed>) = 262144 [pid 6395] munmap(0x7fc4e5d63000, 262144 [pid 6394] <... openat resumed>) = 4 [pid 6393] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6396] munmap(0x7fc4e5d63000, 262144 [pid 6395] <... munmap resumed>) = 0 [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 6393] close(4 [pid 6389] <... futex resumed>) = 1 [pid 6388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6396] <... munmap resumed>) = 0 [pid 6395] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6394] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] <... close resumed>) = 0 [pid 6389] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6395] <... openat resumed>) = 4 [pid 6394] ioctl(4, LOOP_CLR_FD [pid 6393] close(3 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 0 [pid 6396] <... openat resumed>) = 4 [pid 6395] ioctl(4, LOOP_SET_FD, 3 [pid 6394] <... ioctl resumed>) = 0 [pid 6393] <... close resumed>) = 0 [pid 6389] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6388] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] ioctl(4, LOOP_SET_FD, 3 [pid 6395] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... openat resumed>) = 3 [pid 6388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6395] ioctl(4, LOOP_CLR_FD [pid 6393] <... futex resumed>) = 1 [pid 6389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6396] ioctl(4, LOOP_CLR_FD [pid 6395] <... ioctl resumed>) = 0 [pid 6393] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... futex resumed>) = 1 [pid 6388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6396] <... ioctl resumed>) = 0 [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6385] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6393] fspick(AT_FDCWD, ".", 0 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 0 [pid 6394] close(4 [pid 6393] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6389] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6388] <... openat resumed>) = 3 [pid 6385] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] ioctl(4, LOOP_SET_FD, 3 [pid 6395] ioctl(4, LOOP_SET_FD, 3 [pid 6394] <... close resumed>) = 0 [pid 6393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6395] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] close(3 [pid 6393] <... futex resumed>) = 1 [pid 6389] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 6396] close(4 [pid 6395] close(4 [pid 6393] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] <... futex resumed>) = 1 [pid 6387] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... close resumed>) = 0 [pid 6395] <... close resumed>) = 0 [pid 6394] <... close resumed>) = 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6386] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] <... futex resumed>) = 0 [pid 6396] close(3 [pid 6395] close(3 [pid 6394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6385] exit_group(0 [pid 6396] <... close resumed>) = 0 [pid 6395] <... close resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6393] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6388] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6386] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = ? [pid 6385] <... exit_group resumed>) = ? [pid 6392] <... futex resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] +++ exited with 0 +++ [pid 6388] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6396] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6385] +++ exited with 0 +++ [pid 6396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 6391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] fspick(AT_FDCWD, ".", 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = 0 [pid 6390] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6386] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6396] fspick(AT_FDCWD, ".", 0 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6393] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 0 [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] exit_group(0 [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 6396] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6395] fspick(AT_FDCWD, ".", 0 [pid 6394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... openat resumed>) = 3 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... futex resumed>) = ? [pid 6386] <... exit_group resumed>) = ? [pid 5004] <... restart_syscall resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... futex resumed>) = 0 [pid 6393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] +++ exited with 0 +++ [pid 6396] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6393] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] <... futex resumed>) = 0 [pid 6391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] +++ exited with 0 +++ [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 1 [pid 6394] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6396] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6395] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6396] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = 0 [pid 6393] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 5004] <... ioctl resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6394] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6393] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 6396] <... futex resumed>) = 1 [pid 6395] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... openat resumed>) = 3 [pid 6393] <... futex resumed>) = 1 [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] exit_group(0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = ? [pid 6392] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] <... exit_group resumed>) = ? [pid 6396] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6395] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6393] +++ exited with 0 +++ [pid 6392] <... futex resumed>) = 0 [pid 6390] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] +++ exited with 0 +++ [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6397 [pid 6396] <... openat resumed>) = 3 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6392] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6390] <... futex resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6396] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6391] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6396] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6396] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] exit_group(0 [pid 6396] <... futex resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 6396] +++ exited with 0 +++ [pid 6391] +++ exited with 0 +++ [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 4999] ioctl(3, LOOP_CLR_FD) = 0 [pid 4999] close(3) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555563db5d0) = 6398 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6395] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6397 attached [pid 6394] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... openat resumed>) = 3 [pid 6397] set_robust_list(0x5555563db5e0, 24 [pid 6395] <... openat resumed>) = 3 [pid 6394] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6397] <... set_robust_list resumed>) = 0 [pid 6395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] exit_group(0 [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6395] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = ? [pid 6392] <... exit_group resumed>) = ? [pid 6390] <... futex resumed>) = 0 [pid 5000] <... ioctl resumed>) = 0 [pid 6395] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] +++ exited with 0 +++ ./strace-static-x86_64: Process 6398 attached [pid 6398] set_robust_list(0x5555563db5e0, 24 [pid 6392] +++ exited with 0 +++ [pid 6390] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] close(3 [pid 6390] <... futex resumed>) = 0 [pid 6397] <... prctl resumed>) = 0 [pid 6395] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6390] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6392, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 6397] setpgid(0, 0 [pid 6395] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 5001] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] <... setpgid resumed>) = 0 [pid 6395] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 6395] <... futex resumed>) = 1 [pid 6390] <... futex resumed>) = 0 [pid 6395] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] exit_group(0 [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5001] <... ioctl resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6399 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] <... futex resumed>) = ? [pid 6390] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3 [pid 6395] +++ exited with 0 +++ [pid 6398] <... set_robust_list resumed>) = 0 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6390] +++ exited with 0 +++ [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 6397] <... openat resumed>) = 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... ioctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] write(3, "1000", 4 [pid 5002] close(3 [pid 6398] setpgid(0, 0 [pid 5002] <... close resumed>) = 0 [pid 6397] <... write resumed>) = 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6400 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6398] <... setpgid resumed>) = 0 [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] close(3 [pid 5003] <... openat resumed>) = 3 [pid 6398] <... openat resumed>) = 3 [pid 6397] <... close resumed>) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6401 [pid 6398] write(3, "1000", 4 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = 0 [pid 6398] <... write resumed>) = 4 [pid 6397] <... futex resumed>) = 0 [pid 5003] close(3 [pid 6398] close(3) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... close resumed>) = 0 [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6401 attached ./strace-static-x86_64: Process 6400 attached [pid 6398] <... futex resumed>) = 0 [pid 6397] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6401] set_robust_list(0x5555563db5e0, 24 [pid 6400] set_robust_list(0x5555563db5e0, 24 [pid 6398] <... mmap resumed>) = 0x7fc4ee163000 [pid 6397] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6399 attached [pid 6401] <... set_robust_list resumed>) = 0 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6398] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6397] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6402 [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] set_robust_list(0x5555563db5e0, 24 [pid 6398] <... mprotect resumed>) = 0 [pid 6400] <... prctl resumed>) = 0 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6398] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6397] <... clone resumed>, parent_tid=[6403], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6403 [pid 6401] <... prctl resumed>) = 0 [pid 6400] setpgid(0, 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] setpgid(0, 0 [pid 6400] <... setpgid resumed>) = 0 [pid 6399] <... prctl resumed>) = 0 [pid 6398] <... clone resumed>, parent_tid=[6404], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6404 [pid 6397] <... futex resumed>) = 0 [pid 6401] <... setpgid resumed>) = 0 [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6399] setpgid(0, 0 [pid 6398] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6399] <... setpgid resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] <... openat resumed>) = 3 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6399] <... openat resumed>) = 3 [pid 6400] write(3, "1000", 4 [pid 6401] <... openat resumed>) = 3 [pid 6399] write(3, "1000", 4 [pid 6400] <... write resumed>) = 4 [pid 6401] write(3, "1000", 4 [pid 6400] close(3 [pid 6399] <... write resumed>) = 4 ./strace-static-x86_64: Process 6403 attached [pid 6401] <... write resumed>) = 4 [pid 6400] <... close resumed>) = 0 [pid 6399] close(3 [pid 6403] set_robust_list(0x7fc4ee1839e0, 24 [pid 6401] close(3 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... close resumed>) = 0 ./strace-static-x86_64: Process 6402 attached [pid 6403] <... set_robust_list resumed>) = 0 [pid 6401] <... close resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] memfd_create("syzkaller", 0 [pid 6402] set_robust_list(0x5555563db5e0, 24 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6399] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6404 attached [pid 6403] <... memfd_create resumed>) = 3 [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] <... futex resumed>) = 0 [pid 6400] <... mmap resumed>) = 0x7fc4ee163000 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6404] set_robust_list(0x7fc4ee1839e0, 24 [pid 6403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6400] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6399] <... mmap resumed>) = 0x7fc4ee163000 [pid 6404] <... set_robust_list resumed>) = 0 [pid 6402] <... prctl resumed>) = 0 [pid 6401] <... mmap resumed>) = 0x7fc4ee163000 [pid 6399] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6404] memfd_create("syzkaller", 0 [pid 6403] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6402] setpgid(0, 0 [pid 6401] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6400] <... mprotect resumed>) = 0 [pid 6399] <... mprotect resumed>) = 0 [pid 6404] <... memfd_create resumed>) = 3 [pid 6402] <... setpgid resumed>) = 0 [pid 6401] <... mprotect resumed>) = 0 [pid 6400] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6399] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6401] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6404] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6402] <... openat resumed>) = 3 [pid 6400] <... clone resumed>, parent_tid=[6406], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6406 [pid 6399] <... clone resumed>, parent_tid=[6405], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6405 [pid 6404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6402] write(3, "1000", 4 [pid 6401] <... clone resumed>, parent_tid=[6407], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6407 [pid 6400] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6405 attached [pid 6404] <... write resumed>) = 262144 [pid 6403] <... write resumed>) = 262144 [pid 6402] <... write resumed>) = 4 [pid 6401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6406 attached [pid 6405] set_robust_list(0x7fc4ee1839e0, 24 [pid 6403] munmap(0x7fc4e5d63000, 262144 [pid 6402] close(3 [pid 6401] <... futex resumed>) = 0 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6406] set_robust_list(0x7fc4ee1839e0, 24 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6404] munmap(0x7fc4e5d63000, 262144 [pid 6402] <... close resumed>) = 0 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6404] <... munmap resumed>) = 0 [pid 6403] <... munmap resumed>) = 0 [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6407 attached [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] memfd_create("syzkaller", 0 [pid 6404] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6403] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6402] <... futex resumed>) = 0 [pid 6407] set_robust_list(0x7fc4ee1839e0, 24 [pid 6406] memfd_create("syzkaller", 0 [pid 6405] <... memfd_create resumed>) = 3 [pid 6404] <... openat resumed>) = 4 [pid 6403] <... openat resumed>) = 4 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6406] <... memfd_create resumed>) = 3 [pid 6405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 6403] ioctl(4, LOOP_SET_FD, 3 [pid 6402] <... mmap resumed>) = 0x7fc4ee163000 [pid 6407] memfd_create("syzkaller", 0 [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6405] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6404] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6403] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6402] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6407] <... memfd_create resumed>) = 3 [pid 6404] ioctl(4, LOOP_CLR_FD [pid 6403] ioctl(4, LOOP_CLR_FD [pid 6402] <... mprotect resumed>) = 0 [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6406] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6404] <... ioctl resumed>) = 0 [pid 6403] <... ioctl resumed>) = 0 [pid 6402] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6407] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6402] <... clone resumed>, parent_tid=[6408], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6408 [pid 6407] <... write resumed>) = 262144 [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 6403] ioctl(4, LOOP_SET_FD, 3 [pid 6402] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6403] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6402] <... futex resumed>) = 0 [pid 6405] <... write resumed>) = 262144 [pid 6404] close(4 [pid 6403] close(4 [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] munmap(0x7fc4e5d63000, 262144 [pid 6406] <... write resumed>) = 262144 [pid 6405] munmap(0x7fc4e5d63000, 262144 [pid 6404] <... close resumed>) = 0 [pid 6403] <... close resumed>) = 0 [pid 6407] <... munmap resumed>) = 0 [pid 6406] munmap(0x7fc4e5d63000, 262144 [pid 6405] <... munmap resumed>) = 0 [pid 6404] close(3 [pid 6403] close(3 [pid 6407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6406] <... munmap resumed>) = 0 [pid 6405] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6404] <... close resumed>) = 0 [pid 6407] <... openat resumed>) = 4 [pid 6406] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6405] <... openat resumed>) = 4 [pid 6404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... close resumed>) = 0 ./strace-static-x86_64: Process 6408 attached [pid 6407] ioctl(4, LOOP_SET_FD, 3 [pid 6406] <... openat resumed>) = 4 [pid 6405] ioctl(4, LOOP_SET_FD, 3 [pid 6404] <... futex resumed>) = 1 [pid 6403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6408] set_robust_list(0x7fc4ee1839e0, 24 [pid 6407] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6406] ioctl(4, LOOP_SET_FD, 3 [pid 6405] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6404] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... futex resumed>) = 1 [pid 6398] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] ioctl(4, LOOP_CLR_FD [pid 6406] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6405] ioctl(4, LOOP_CLR_FD [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6397] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] memfd_create("syzkaller", 0 [pid 6407] <... ioctl resumed>) = 0 [pid 6406] ioctl(4, LOOP_CLR_FD [pid 6405] <... ioctl resumed>) = 0 [pid 6404] fspick(AT_FDCWD, ".", 0 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 0 [pid 6408] <... memfd_create resumed>) = 3 [pid 6406] <... ioctl resumed>) = 0 [pid 6404] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6403] fspick(AT_FDCWD, ".", 0 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6408] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6404] <... futex resumed>) = 1 [pid 6403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6407] ioctl(4, LOOP_SET_FD, 3 [pid 6405] ioctl(4, LOOP_SET_FD, 3 [pid 6404] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... futex resumed>) = 1 [pid 6398] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6408] <... write resumed>) = 262144 [pid 6407] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6406] ioctl(4, LOOP_SET_FD, 3 [pid 6405] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 6397] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] munmap(0x7fc4e5d63000, 262144 [pid 6407] close(4 [pid 6406] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6405] close(4 [pid 6404] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 0 [pid 6408] <... munmap resumed>) = 0 [pid 6407] <... close resumed>) = 0 [pid 6406] close(4 [pid 6405] <... close resumed>) = 0 [pid 6404] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6403] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6407] close(3 [pid 6406] <... close resumed>) = 0 [pid 6405] close(3 [pid 6404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6408] <... openat resumed>) = 4 [pid 6407] <... close resumed>) = 0 [pid 6406] close(3 [pid 6404] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6408] ioctl(4, LOOP_SET_FD, 3 [pid 6407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... close resumed>) = 0 [pid 6404] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] <... futex resumed>) = 1 [pid 6406] <... close resumed>) = 0 [pid 6405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6408] ioctl(4, LOOP_CLR_FD [pid 6407] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 1 [pid 6404] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6403] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... ioctl resumed>) = 0 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] <... openat resumed>) = 3 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6407] fspick(AT_FDCWD, ".", 0 [pid 6406] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] fspick(AT_FDCWD, ".", 0 [pid 6404] <... futex resumed>) = 1 [pid 6403] <... openat resumed>) = 3 [pid 6400] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] fspick(AT_FDCWD, ".", 0 [pid 6405] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6404] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] ioctl(4, LOOP_SET_FD, 3 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6408] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6407] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 1 [pid 6404] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6403] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6398] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] close(4 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = 1 [pid 6404] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6408] <... close resumed>) = 0 [pid 6407] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6404] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] close(3 [pid 6407] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6404] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6408] <... close resumed>) = 0 [pid 6407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] exit_group(0 [pid 6408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 6404] <... futex resumed>) = ? [pid 6398] <... exit_group resumed>) = ? [pid 6408] <... futex resumed>) = 1 [pid 6407] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] +++ exited with 0 +++ [pid 6402] <... futex resumed>) = 0 [pid 6398] +++ exited with 0 +++ [pid 6408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 6397] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6408] fspick(AT_FDCWD, ".", 0 [pid 6406] <... futex resumed>) = 0 [pid 6405] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6403] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... futex resumed>) = 1 [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] restart_syscall(<... resuming interrupted clone ...> [pid 6408] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6406] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6405] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6403] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... restart_syscall resumed>) = 0 [pid 6408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 6406] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = 1 [pid 6401] <... futex resumed>) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6407] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 1 [pid 6403] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... futex resumed>) = 0 [pid 6397] exit_group(0 [pid 6408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... openat resumed>) = 3 [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] <... futex resumed>) = ? [pid 6402] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... exit_group resumed>) = ? [pid 4999] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] +++ exited with 0 +++ [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 6408] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] +++ exited with 0 +++ [pid 4999] ioctl(3, LOOP_CLR_FD [pid 6408] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6407] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6405] <... openat resumed>) = 3 [pid 6401] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4999] <... ioctl resumed>) = 0 [pid 6408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... openat resumed>) = 3 [pid 6405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4999] close(3 [pid 6408] <... futex resumed>) = 1 [pid 6407] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6401] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 4999] <... close resumed>) = 0 [pid 6408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 6408] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6409 [pid 6408] <... openat resumed>) = 3 [pid 6407] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6405] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6401] exit_group(0 [pid 6400] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] close(3 [pid 6408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = ? [pid 6406] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6405] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6401] <... exit_group resumed>) = ? [pid 5004] <... close resumed>) = 0 ./strace-static-x86_64: Process 6409 attached [pid 6408] <... futex resumed>) = 1 [pid 6407] +++ exited with 0 +++ [pid 6406] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6401] +++ exited with 0 +++ [pid 6399] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6409] set_robust_list(0x5555563db5e0, 24 [pid 6408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... futex resumed>) = 1 [pid 6405] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6399] exit_group(0 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = ? [pid 6402] <... futex resumed>) = 0 [pid 6400] exit_group(0 [pid 6399] <... exit_group resumed>) = ? [pid 5004] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6410 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6408] quotactl_fd(3, QCMD(Q_SETQUOTA, PRJQUOTA), -1, NULL [pid 6406] <... futex resumed>) = ? [pid 6405] +++ exited with 0 +++ [pid 6402] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... exit_group resumed>) = ? [pid 6408] <... quotactl_fd resumed>) = -1 EFAULT (Bad address) [pid 6399] +++ exited with 0 +++ [pid 6408] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] +++ exited with 0 +++ [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6408] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6408] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] exit_group(0 [pid 6408] <... futex resumed>) = ? [pid 6402] <... exit_group resumed>) = ? [pid 6409] <... prctl resumed>) = 0 [pid 6408] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 5002] <... restart_syscall resumed>) = 0 [pid 6409] setpgid(0, 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6409] <... setpgid resumed>) = 0 [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6409] <... openat resumed>) = 3 [pid 5003] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] <... openat resumed>) = 3 [pid 6409] write(3, "1000", 4 [pid 5003] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6410 attached [pid 6409] <... write resumed>) = 4 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] ioctl(3, LOOP_CLR_FD [pid 6410] set_robust_list(0x5555563db5e0, 24 [pid 6409] close(3 [pid 5003] <... ioctl resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 6410] <... set_robust_list resumed>) = 0 [pid 6409] <... close resumed>) = 0 [pid 5003] close(3 [pid 5002] <... ioctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... ioctl resumed>) = 0 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5002] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] close(3 [pid 6410] <... prctl resumed>) = 0 [pid 6409] <... futex resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = 0 [pid 6410] setpgid(0, 0 [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 5000] <... close resumed>) = 0 [pid 6409] <... mmap resumed>) = 0x7fc4ee163000 [pid 5003] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6411 [pid 5001] <... close resumed>) = 0 [pid 6409] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6410] <... setpgid resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6412 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6409] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6412 attached [pid 6412] set_robust_list(0x5555563db5e0, 24) = 0 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5001] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6414 [pid 5000] <... clone resumed>, child_tidptr=0x5555563db5d0) = 6413 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6409] <... clone resumed>, parent_tid=[6415], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6415 [pid 6410] <... openat resumed>) = 3 [pid 6409] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] write(3, "1000", 4 [pid 6409] <... futex resumed>) = 0 [pid 6410] <... write resumed>) = 4 [pid 6409] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6410] close(3) = 0 [pid 6410] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc4ee163000 [pid 6412] <... prctl resumed>) = 0 [pid 6410] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6414 attached ./strace-static-x86_64: Process 6413 attached [pid 6412] setpgid(0, 0 [pid 6410] <... mprotect resumed>) = 0 [pid 6414] set_robust_list(0x5555563db5e0, 24 [pid 6413] set_robust_list(0x5555563db5e0, 24 [pid 6412] <... setpgid resumed>) = 0 [pid 6410] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6414] <... set_robust_list resumed>) = 0 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6412] <... openat resumed>) = 3 [pid 6410] <... clone resumed>, parent_tid=[6416], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6416 ./strace-static-x86_64: Process 6411 attached [pid 6414] <... prctl resumed>) = 0 [pid 6413] <... prctl resumed>) = 0 [pid 6412] write(3, "1000", 4 [pid 6410] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] setpgid(0, 0 [pid 6413] setpgid(0, 0 [pid 6412] <... write resumed>) = 4 [pid 6410] <... futex resumed>) = 0 [pid 6414] <... setpgid resumed>) = 0 [pid 6413] <... setpgid resumed>) = 0 [pid 6412] close(3 [pid 6411] set_robust_list(0x5555563db5e0, 24 [pid 6410] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6412] <... close resumed>) = 0 [pid 6411] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6415 attached [pid 6414] <... openat resumed>) = 3 [pid 6413] <... openat resumed>) = 3 [pid 6412] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] set_robust_list(0x7fc4ee1839e0, 24 [pid 6414] write(3, "1000", 4 [pid 6413] write(3, "1000", 4 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... prctl resumed>) = 0 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] <... write resumed>) = 4 [pid 6413] <... write resumed>) = 4 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6411] setpgid(0, 0./strace-static-x86_64: Process 6416 attached [pid 6415] memfd_create("syzkaller", 0 [pid 6414] close(3 [pid 6413] close(3 [pid 6412] <... mmap resumed>) = 0x7fc4ee163000 [pid 6411] <... setpgid resumed>) = 0 [pid 6416] set_robust_list(0x7fc4ee1839e0, 24 [pid 6415] <... memfd_create resumed>) = 3 [pid 6414] <... close resumed>) = 0 [pid 6413] <... close resumed>) = 0 [pid 6412] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6414] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... mprotect resumed>) = 0 [pid 6411] <... openat resumed>) = 3 [pid 6416] memfd_create("syzkaller", 0 [pid 6415] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6414] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6412] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6411] write(3, "1000", 4 [pid 6416] <... memfd_create resumed>) = 3 [pid 6415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6411] <... write resumed>) = 4 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6414] <... mmap resumed>) = 0x7fc4ee163000 [pid 6413] <... mmap resumed>) = 0x7fc4ee163000 [pid 6412] <... clone resumed>, parent_tid=[6417], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6417 [pid 6411] close(3 [pid 6416] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6414] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6413] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6412] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... close resumed>) = 0 [pid 6415] <... write resumed>) = 262144 [pid 6413] <... mprotect resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6414] <... mprotect resumed>) = 0 [pid 6413] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6412] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6411] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] munmap(0x7fc4e5d63000, 262144 [pid 6414] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6417 attached [pid 6416] <... write resumed>) = 262144 [pid 6415] <... munmap resumed>) = 0 [pid 6413] <... clone resumed>, parent_tid=[6418], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6418 [pid 6411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] munmap(0x7fc4e5d63000, 262144 [pid 6415] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6414] <... clone resumed>, parent_tid=[6419], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6419 [pid 6417] set_robust_list(0x7fc4ee1839e0, 24 [pid 6413] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... mmap resumed>) = 0x7fc4ee163000 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6416] <... munmap resumed>) = 0 [pid 6415] <... openat resumed>) = 4 [pid 6414] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 0 [pid 6411] mprotect(0x7fc4ee164000, 131072, PROT_READ|PROT_WRITE [pid 6417] memfd_create("syzkaller", 0 [pid 6416] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6414] <... futex resumed>) = 0 [pid 6413] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6411] <... mprotect resumed>) = 0 [pid 6417] <... memfd_create resumed>) = 3 [pid 6416] <... openat resumed>) = 4 [pid 6415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6414] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6411] clone(child_stack=0x7fc4ee1833f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6419 attached [pid 6417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6415] ioctl(4, LOOP_CLR_FD [pid 6411] <... clone resumed>, parent_tid=[6420], tls=0x7fc4ee183700, child_tidptr=0x7fc4ee1839d0) = 6420 [pid 6419] set_robust_list(0x7fc4ee1839e0, 24 [pid 6417] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6416] ioctl(4, LOOP_CLR_FD [pid 6415] <... ioctl resumed>) = 0 [pid 6411] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... ioctl resumed>) = 0 [pid 6411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6418 attached [pid 6411] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6418] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6418] memfd_create("syzkaller", 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6418] <... memfd_create resumed>) = 3 [pid 6417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6419] memfd_create("syzkaller", 0 [pid 6418] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6416] ioctl(4, LOOP_SET_FD, 3 [pid 6415] close(4 [pid 6419] <... memfd_create resumed>) = 3 [pid 6418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6417] <... write resumed>) = 262144 [pid 6416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6415] <... close resumed>) = 0 [pid 6415] close(3) = 0 [pid 6415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] <... write resumed>) = 262144 ./strace-static-x86_64: Process 6420 attached [pid 6420] set_robust_list(0x7fc4ee1839e0, 24) = 0 [pid 6420] memfd_create("syzkaller", 0 [pid 6416] close(4 [pid 6409] <... futex resumed>) = 0 [pid 6418] munmap(0x7fc4e5d63000, 262144 [pid 6416] <... close resumed>) = 0 [pid 6409] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] close(3 [pid 6415] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 1 [pid 6419] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6418] <... munmap resumed>) = 0 [pid 6416] <... close resumed>) = 0 [pid 6415] fspick(AT_FDCWD, ".", 0 [pid 6409] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] <... memfd_create resumed>) = 3 [pid 6416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6417] munmap(0x7fc4e5d63000, 262144 [pid 6416] <... futex resumed>) = 1 [pid 6415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... futex resumed>) = 0 [pid 6420] <... mmap resumed>) = 0x7fc4e5d63000 [pid 6418] <... openat resumed>) = 4 [pid 6416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... futex resumed>) = 1 [pid 6410] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 6418] ioctl(4, LOOP_SET_FD, 3 [pid 6417] <... munmap resumed>) = 0 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6417] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6416] fspick(AT_FDCWD, ".", 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... futex resumed>) = 0 [pid 6420] <... write resumed>) = 262144 [pid 6419] <... write resumed>) = 262144 [pid 6418] ioctl(4, LOOP_CLR_FD [pid 6417] <... openat resumed>) = 4 [pid 6416] <... fspick resumed>) = -1 EINVAL (Invalid argument) [pid 6415] fsconfig(-1, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0 [pid 6409] futex(0x7fc4ee25b7ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6419] munmap(0x7fc4e5d63000, 262144 [pid 6418] <... ioctl resumed>) = 0 [pid 6417] ioctl(4, LOOP_SET_FD, 3 [pid 6416] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6417] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6416] <... futex resumed>) = 1 [pid 6415] futex(0x7fc4ee25b7ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... futex resumed>) = 0 [pid 6420] munmap(0x7fc4e5d63000, 262144 [pid 6419] <... munmap resumed>) = 0 [pid 6417] ioctl(4, LOOP_CLR_FD [pid 6416] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] <... futex resumed>) = 1 [pid 6410] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6420] <... munmap resumed>) = 0 [pid 6419] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6417] <... ioctl resumed>) = 0 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] futex(0x7fc4ee25b7a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... futex resumed>) = 0 [pid 6409] futex(0x7fc4ee25b7a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6419] <... openat resumed>) = 4