./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>)