./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor132608925 <...> DUID 00:04:cd:7d:74:7d:04:96:3f:c0:f2:1a:da:5a:49:b1:9f:fb forked to background, child pid 4655 [ 37.081170][ T4656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.099589][ T4656] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts. execve("./syz-executor132608925", ["./syz-executor132608925"], 0x7ffc3384a270 /* 10 vars */) = 0 brk(NULL) = 0x555556544000 brk(0x555556544c40) = 0x555556544c40 arch_prctl(ARCH_SET_FS, 0x555556544300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555565445d0) = 5088 set_robust_list(0x5555565445e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7ff83eed12e0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7ff83eed19b0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7ff83eed1380, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff83eed19b0}, 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-executor132608925", 4096) = 27 brk(0x555556565c40) = 0x555556565c40 brk(0x555556566000) = 0x555556566000 mprotect(0x7ff83ef91000, 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 5089 attached , child_tidptr=0x5555565445d0) = 5089 [pid 5089] set_robust_list(0x5555565445e0, 24) = 0 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... clone resumed>, child_tidptr=0x5555565445d0) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x5555565445e0, 24./strace-static-x86_64: Process 5091 attached ) = 0 [pid 5088] <... clone resumed>, child_tidptr=0x5555565445d0) = 5091 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5091] set_robust_list(0x5555565445e0, 24 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... clone resumed>, child_tidptr=0x5555565445d0) = 5092 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached ./strace-static-x86_64: Process 5093 attached [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... prctl resumed>) = 0 [pid 5088] <... clone resumed>, child_tidptr=0x5555565445d0) = 5093 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] setpgid(0, 0 [pid 5088] <... clone resumed>, child_tidptr=0x5555565445d0) = 5094 [pid 5092] set_robust_list(0x5555565445e0, 24 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565445d0) = 5095 [pid 5090] <... setpgid resumed>) = 0 [pid 5093] set_robust_list(0x5555565445e0, 24 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... set_robust_list resumed>) = 0 [pid 5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... openat resumed>) = 3 [pid 5091] <... clone resumed>, child_tidptr=0x5555565445d0) = 5096 [pid 5090] write(3, "1000", 4 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5090] <... write resumed>) = 4 [pid 5093] <... clone resumed>, child_tidptr=0x5555565445d0) = 5097 [pid 5090] close(3) = 0 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x5555565445e0, 24 [pid 5090] <... futex resumed>) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff83eea1000 [pid 5090] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5095] <... set_robust_list resumed>) = 0 [pid 5090] <... mprotect resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5098], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5098 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... futex resumed>) = 0 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5094 attached ./strace-static-x86_64: Process 5096 attached [pid 5095] <... clone resumed>, child_tidptr=0x5555565445d0) = 5099 ./strace-static-x86_64: Process 5097 attached [pid 5092] <... clone resumed>, child_tidptr=0x5555565445d0) = 5100 [pid 5094] set_robust_list(0x5555565445e0, 24 [pid 5097] set_robust_list(0x5555565445e0, 24 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5096] set_robust_list(0x5555565445e0, 24 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... prctl resumed>) = 0 [pid 5097] setpgid(0, 0./strace-static-x86_64: Process 5100 attached ./strace-static-x86_64: Process 5099 attached ) = 0 [pid 5100] set_robust_list(0x5555565445e0, 24 [pid 5099] set_robust_list(0x5555565445e0, 24 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5098 attached [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] write(3, "1000", 4 [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... prctl resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5096] setpgid(0, 0 [pid 5094] <... clone resumed>, child_tidptr=0x5555565445d0) = 5101 ./strace-static-x86_64: Process 5101 attached [pid 5100] setpgid(0, 0 [pid 5099] setpgid(0, 0 [pid 5098] set_robust_list(0x7ff83eec19e0, 24 [pid 5097] close(3 [pid 5096] <... setpgid resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... setpgid resumed>) = 0 [pid 5097] <... close resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... openat resumed>) = 3 [pid 5099] <... openat resumed>) = 3 [pid 5098] sendfile(-1, -1, NULL, 122112 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5101] set_robust_list(0x5555565445e0, 24 [pid 5100] write(3, "1000", 4 [pid 5099] write(3, "1000", 4 [pid 5098] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] write(3, "1000", 4 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] <... write resumed>) = 4 [pid 5099] <... write resumed>) = 4 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... mmap resumed>) = 0x7ff83eea1000 [pid 5096] <... write resumed>) = 4 [pid 5100] close(3 [pid 5099] close(3 [pid 5098] <... futex resumed>) = 1 [pid 5097] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5096] close(3 [pid 5090] <... futex resumed>) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... close resumed>) = 0 [pid 5099] <... close resumed>) = 0 [pid 5098] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... mprotect resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... prctl resumed>) = 0 [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5101] setpgid(0, 0 [pid 5100] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5098] creat("./bus", 000 [pid 5096] <... futex resumed>) = 0 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... setpgid resumed>) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... clone resumed>, parent_tid=[5102], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5102 [pid 5100] <... mmap resumed>) = 0x7ff83eea1000 [pid 5099] <... mmap resumed>) = 0x7ff83eea1000 [pid 5098] <... creat resumed>) = 3 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5099] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5097] <... futex resumed>) = 0 [pid 5102] set_robust_list(0x7ff83eec19e0, 24 [pid 5101] <... openat resumed>) = 3 [pid 5100] <... mprotect resumed>) = 0 [pid 5099] <... mprotect resumed>) = 0 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... mmap resumed>) = 0x7ff83eea1000 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] write(3, "1000", 4 [pid 5100] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5098] <... futex resumed>) = 1 [pid 5096] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5104 attached ./strace-static-x86_64: Process 5103 attached [pid 5102] sendfile(-1, -1, NULL, 122112 [pid 5101] <... write resumed>) = 4 [pid 5103] set_robust_list(0x7ff83eec19e0, 24 [pid 5102] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5100] <... clone resumed>, parent_tid=[5103], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5103 [pid 5099] <... clone resumed>, parent_tid=[5104], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5104 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] sendfile(-1, -1, NULL, 122112 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5103] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] creat("./bus", 000 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] creat("./bus", 000 [pid 5102] <... creat resumed>) = 3 [pid 5101] close(3 [pid 5100] <... futex resumed>) = 0 [pid 5098] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... mprotect resumed>) = 0 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] set_robust_list(0x7ff83eec19e0, 24 [pid 5103] <... creat resumed>) = 3 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... close resumed>) = 0 [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5090] <... futex resumed>) = 0 [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] ftruncate(3, 2048 [pid 5097] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... ftruncate resumed>) = 0 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] ftruncate(3, 2048 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5100] <... futex resumed>) = 0 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... clone resumed>, parent_tid=[5105], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5105 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5105 attached [pid 5104] sendfile(-1, -1, NULL, 122112 [pid 5103] <... ftruncate resumed>) = 0 [pid 5102] ftruncate(3, 2048 [pid 5101] <... mmap resumed>) = 0x7ff83eea1000 [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 0 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] set_robust_list(0x7ff83eec19e0, 24 [pid 5104] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... ftruncate resumed>) = 0 [pid 5101] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] lseek(3, 512, SEEK_SET [pid 5096] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... mprotect resumed>) = 0 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... lseek resumed>) = 512 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] sendfile(-1, -1, NULL, 122112 [pid 5104] <... futex resumed>) = 1 [pid 5103] lseek(3, 512, SEEK_SET [pid 5102] <... futex resumed>) = 1 [pid 5101] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5100] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5104] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... lseek resumed>) = 512 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 0 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... clone resumed>, parent_tid=[5106], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5106 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] <... futex resumed>) = 0 [pid 5098] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5097] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5106 attached [pid 5105] <... futex resumed>) = 1 [pid 5104] creat("./bus", 000 [pid 5103] <... futex resumed>) = 0 [pid 5102] lseek(3, 512, SEEK_SET [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 0 [pid 5106] set_robust_list(0x7ff83eec19e0, 24 [pid 5105] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] <... creat resumed>) = 3 [pid 5103] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5102] <... lseek resumed>) = 512 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5098] <... open resumed>) = 4 [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... open resumed>) = 4 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] sendfile(3, 4, NULL, 122112 [pid 5090] <... futex resumed>) = 0 [pid 5106] sendfile(-1, -1, NULL, 122112 [pid 5105] creat("./bus", 000 [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5098] <... sendfile resumed>) = 0 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5105] <... creat resumed>) = 3 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] sendfile(3, 4, NULL, 122112 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 1 [pid 5103] <... sendfile resumed>) = 0 [pid 5102] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... open resumed>) = 4 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 syzkaller login: [ 60.839641][ T27] audit: type=1804 audit(1675738123.640:2): pid=5098 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 60.867128][ T27] audit: type=1800 audit(1675738123.640:3): pid=5098 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor132" name="bus" dev="sda1" ino=1138 res=0 errno=0 [pid 5103] creat("./bus", 000 [pid 5102] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] ftruncate(3, 2048 [pid 5103] <... creat resumed>) = 5 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] sendfile(3, 4, NULL, 122112 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] lseek(5, 512, SEEK_SET [pid 5102] <... sendfile resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5103] <... lseek resumed>) = 512 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5103] <... open resumed>) = 6 [pid 5102] creat("./bus", 000 [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... creat resumed>) = 5 [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] sendfile(5, 6, NULL, 122112 [pid 5102] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5103] <... sendfile resumed>) = 0 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 0 [pid 5102] lseek(5, 512, SEEK_SET [pid 5100] exit_group(0 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... lseek resumed>) = 512 [pid 5100] <... exit_group resumed>) = ? [pid 5103] +++ exited with 0 +++ [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] +++ exited with 0 +++ [pid 5102] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5102] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... open resumed>) = 6 [pid 5102] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... ftruncate resumed>) = 0 [pid 5102] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 1 [pid 5106] creat("./bus", 000 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] creat("./bus", 000 [pid 5097] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] <... futex resumed>) = 0 [pid 5106] <... creat resumed>) = 3 [pid 5105] ftruncate(3, 2048 [pid 5102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = 0 [pid 5092] restart_syscall(<... resuming interrupted clone ...> [pid 5106] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... ftruncate resumed>) = 0 [pid 5102] sendfile(5, 6, NULL, 122112 [pid 5097] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... restart_syscall resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5106] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = 0 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] <... futex resumed>) = 0 [pid 5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... clone resumed>, child_tidptr=0x5555565445d0) = 5107 ./strace-static-x86_64: Process 5107 attached [pid 5104] <... futex resumed>) = 1 [pid 5099] <... futex resumed>) = 0 [ 60.889068][ T27] audit: type=1804 audit(1675738123.640:4): pid=5104 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 60.914991][ T27] audit: type=1804 audit(1675738123.670:5): pid=5103 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] set_robust_list(0x5555565445e0, 24 [pid 5104] lseek(3, 512, SEEK_SET [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=43000000} [pid 5098] <... creat resumed>) = 5 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... set_robust_list resumed>) = 0 [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... futex resumed>) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5098] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff83eea1000 [pid 5107] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5107] clone(child_stack=0x7ff83eec13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5108], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5108 [pid 5104] <... lseek resumed>) = 512 [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5108 attached [pid 5108] set_robust_list(0x7ff83eec19e0, 24) = 0 [pid 5108] sendfile(-1, -1, NULL, 122112) = -1 EBADF (Bad file descriptor) [pid 5108] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5108] creat("./bus", 000 [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... creat resumed>) = 3 [pid 5107] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 0 [pid 5107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 1 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5106] ftruncate(3, 2048 [pid 5105] lseek(3, 512, SEEK_SET [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 60.937894][ T27] audit: type=1800 audit(1675738123.670:6): pid=5103 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor132" name="bus" dev="sda1" ino=1138 res=0 errno=0 [ 60.959513][ T27] audit: type=1804 audit(1675738123.670:7): pid=5105 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5108] ftruncate(3, 2048 [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... ftruncate resumed>) = 0 [pid 5105] <... lseek resumed>) = 512 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5108] <... ftruncate resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 1 [pid 5108] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 5098] lseek(5, 512, SEEK_SET [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5104] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... lseek resumed>) = 512 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] lseek(3, 512, SEEK_SET [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... lseek resumed>) = 512 [pid 5098] <... futex resumed>) = 0 [pid 5108] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5108] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 60.980821][ T27] audit: type=1804 audit(1675738123.670:8): pid=5102 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 61.003316][ T27] audit: type=1800 audit(1675738123.670:9): pid=5102 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor132" name="bus" dev="sda1" ino=1138 res=0 errno=0 [pid 5107] <... futex resumed>) = 0 [pid 5108] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5104] <... open resumed>) = 4 [pid 5101] <... futex resumed>) = 1 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] <... futex resumed>) = 1 [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... open resumed>) = 4 [pid 5106] lseek(3, 512, SEEK_SET [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... mmap resumed>) = 0x7ff83ee80000 [pid 5098] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 1 [pid 5108] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... lseek resumed>) = 512 [pid 5105] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5104] <... futex resumed>) = 0 [pid 5099] mprotect(0x7ff83ee81000, 131072, PROT_READ|PROT_WRITE [pid 5098] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5106] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... open resumed>) = 4 [pid 5104] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = 1 [pid 5105] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... mprotect resumed>) = 0 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5106] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] clone(child_stack=0x7ff83eea03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5096] <... futex resumed>) = 0 [pid 5108] sendfile(3, 4, NULL, 122112 [pid 5107] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5098] <... open resumed>) = 6 [pid 5096] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5109 attached [pid 5106] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5109] set_robust_list(0x7ff83eea09e0, 24 [pid 5106] <... open resumed>) = 4 [pid 5105] sendfile(3, 4, NULL, 122112 [pid 5099] <... clone resumed>, parent_tid=[5109], tls=0x7ff83eea0700, child_tidptr=0x7ff83eea09d0) = 5109 [pid 5098] <... futex resumed>) = 1 [pid 5096] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5106] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] sendfile(3, 4, NULL, 122112 [pid 5106] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5106] sendfile(3, 4, NULL, 122112 [pid 5101] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] sendfile(5, 6, NULL, 122112 [pid 5090] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = 0 [ 61.025794][ T27] audit: type=1804 audit(1675738123.690:10): pid=5103 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 61.048351][ T27] audit: type=1804 audit(1675738123.700:11): pid=5103 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor132" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [pid 5101] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff83ee80000 [pid 5107] mprotect(0x7ff83ee81000, 131072, PROT_READ|PROT_WRITE [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] <... mprotect resumed>) = 0 [pid 5096] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] clone(child_stack=0x7ff83eea03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5096] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5110 attached [pid 5107] <... clone resumed>, parent_tid=[5110], tls=0x7ff83eea0700, child_tidptr=0x7ff83eea09d0) = 5110 [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... mmap resumed>) = 0x7ff83ee80000 [pid 5110] set_robust_list(0x7ff83eea09e0, 24 [pid 5107] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5101] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 1 [pid 5096] mprotect(0x7ff83ee81000, 131072, PROT_READ|PROT_WRITE [pid 5110] <... set_robust_list resumed>) = 0 [pid 5107] <... futex resumed>) = 0 [pid 5104] creat("./bus", 000 [pid 5101] <... futex resumed>) = 0 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... mprotect resumed>) = 0 [pid 5110] creat("./bus", 000 [pid 5107] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] clone(child_stack=0x7ff83eea03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5101] <... mmap resumed>) = 0x7ff83ee80000 [pid 5101] mprotect(0x7ff83ee81000, 131072, PROT_READ|PROT_WRITE [pid 5096] <... clone resumed>, parent_tid=[5111], tls=0x7ff83eea0700, child_tidptr=0x7ff83eea09d0) = 5111 [pid 5101] <... mprotect resumed>) = 0 [pid 5096] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] clone(child_stack=0x7ff83eea03f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... clone resumed>, parent_tid=[5112], tls=0x7ff83eea0700, child_tidptr=0x7ff83eea09d0) = 5112 [pid 5101] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5111 attached [pid 5111] set_robust_list(0x7ff83eea09e0, 24./strace-static-x86_64: Process 5112 attached [pid 5112] set_robust_list(0x7ff83eea09e0, 24) = 0 [pid 5112] creat("./bus", 000) = 5 [pid 5104] <... creat resumed>) = 5 [pid 5112] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5112] lseek(5, 512, SEEK_SET [pid 5101] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 1 [pid 5099] <... futex resumed>) = 0 [pid 5112] <... lseek resumed>) = 512 [pid 5104] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5104] lseek(5, 512, SEEK_SET [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] <... set_robust_list resumed>) = 0 [pid 5104] <... lseek resumed>) = 512 [pid 5101] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] creat("./bus", 000 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5112] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5104] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 0 [pid 5104] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... creat resumed>) = 5 [pid 5110] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5110] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5110] lseek(5, 512, SEEK_SET [pid 5107] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... lseek resumed>) = 512 [pid 5110] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5110] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5110] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5107] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... open resumed>) = 6 [pid 5111] <... creat resumed>) = 5 [pid 5112] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... open resumed>) = 6 [pid 5112] <... futex resumed>) = 1 [pid 5104] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5112] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] <... futex resumed>) = 1 [pid 5104] <... futex resumed>) = 1 [pid 5101] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5104] futex(0x7ff83ef97428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5099] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] sendfile(5, 6, NULL, 122112 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5111] lseek(5, 512, SEEK_SET [pid 5104] sendfile(5, 6, NULL, 122112 [pid 5099] futex(0x7ff83ef9742c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... lseek resumed>) = 512 [pid 5096] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW [pid 5096] <... futex resumed>) = 0 [pid 5111] <... open resumed>) = 6 [pid 5110] <... open resumed>) = 6 [pid 5096] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7ff83ef9743c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] sendfile(5, 6, NULL, 122112 [pid 5110] futex(0x7ff83ef97438, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7ff83ef97438, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5096] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] sendfile(5, 6, NULL, 122112 [pid 5107] futex(0x7ff83ef9743c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] exit_group(0) = ? [pid 5102] <... sendfile resumed>) = ? [pid 5102] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5093] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5093] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached , child_tidptr=0x5555565445d0) = 5113 [pid 5113] set_robust_list(0x5555565445e0, 24) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] futex(0x7ff83ef9742c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff83eea1000 [pid 5113] mprotect(0x7ff83eea2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5113] clone(child_stack=0x7ff83eec13f0, 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 5114 attached [pid 5114] set_robust_list(0x7ff83eec19e0, 24 [pid 5113] <... clone resumed>, parent_tid=[5114], tls=0x7ff83eec1700, child_tidptr=0x7ff83eec19d0) = 5114 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] futex(0x7ff83ef97428, FUTEX_WAKE_PRIVATE, 1000000