./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2472776515 <...> Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. execve("./syz-executor2472776515", ["./syz-executor2472776515"], 0x7ffd4e55dd70 /* 10 vars */) = 0 brk(NULL) = 0x555555609000 brk(0x555555609d40) = 0x555555609d40 arch_prctl(ARCH_SET_FS, 0x5555556093c0) = 0 set_tid_address(0x555555609690) = 5018 set_robust_list(0x5555556096a0, 24) = 0 rseq(0x555555609ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2472776515", 4096) = 28 getrandom("\x7f\x38\xa9\x1c\xaa\x5e\x2d\xf2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555609d40 brk(0x55555562ad40) = 0x55555562ad40 brk(0x55555562b000) = 0x55555562b000 mprotect(0x7fb652f22000, 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, child_tidptr=0x555555609690) = 5019 ./strace-static-x86_64: Process 5019 attached [pid 5018] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] set_robust_list(0x5555556096a0, 24) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5018] <... clone resumed>, child_tidptr=0x555555609690) = 5020 [pid 5018] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5020 attached [pid 5020] set_robust_list(0x5555556096a0, 24 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5020] <... set_robust_list resumed>) = 0 [pid 5019] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5018] <... clone resumed>, child_tidptr=0x555555609690) = 5021 [pid 5018] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] close(3) = 0 ./strace-static-x86_64: Process 5022 attached ./strace-static-x86_64: Process 5021 attached [pid 5018] <... clone resumed>, child_tidptr=0x555555609690) = 5022 [pid 5020] <... openat resumed>) = 3 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] set_robust_list(0x5555556096a0, 24 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5021] <... set_robust_list resumed>) = 0 [pid 5020] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] close(3 [pid 5021] <... openat resumed>) = 3 [pid 5020] <... close resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5023 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5021] close(3 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5024 ./strace-static-x86_64: Process 5024 attached [pid 5018] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5023 attached [pid 5021] <... close resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5024] set_robust_list(0x5555556096a0, 24 [pid 5023] set_robust_list(0x5555556096a0, 24 [pid 5018] <... clone resumed>, child_tidptr=0x555555609690) = 5025 [pid 5024] <... set_robust_list resumed>) = 0 [pid 5018] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5026 [pid 5024] <... prctl resumed>) = 0 [pid 5023] <... set_robust_list resumed>) = 0 [pid 5022] set_robust_list(0x5555556096a0, 24) = 0 ./strace-static-x86_64: Process 5027 attached ./strace-static-x86_64: Process 5026 attached ./strace-static-x86_64: Process 5025 attached [pid 5018] <... clone resumed>, child_tidptr=0x555555609690) = 5027 [pid 5024] setpgid(0, 0 [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] set_robust_list(0x5555556096a0, 24 [pid 5026] set_robust_list(0x5555556096a0, 24 [pid 5025] set_robust_list(0x5555556096a0, 24 [pid 5024] <... setpgid resumed>) = 0 [pid 5023] <... prctl resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5027] <... set_robust_list resumed>) = 0 [pid 5026] <... set_robust_list resumed>) = 0 [pid 5025] <... set_robust_list resumed>) = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5023] setpgid(0, 0 [pid 5022] <... openat resumed>) = 3 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5024] <... openat resumed>) = 3 [pid 5023] <... setpgid resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] <... openat resumed>) = 3 [pid 5026] <... prctl resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5024] write(3, "1000", 4 [pid 5023] <... openat resumed>) = 3 [pid 5022] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5026] setpgid(0, 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5024] <... write resumed>) = 4 [pid 5023] write(3, "1000", 4 [pid 5022] close(3 [pid 5027] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5026] <... setpgid resumed>) = 0 [pid 5025] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5024] close(3 [pid 5023] <... write resumed>) = 4 [pid 5022] <... close resumed>) = 0 [pid 5027] close(3 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5025] close(3 [pid 5024] <... close resumed>) = 0 [pid 5023] close(3 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] <... close resumed>) = 0 [pid 5026] <... openat resumed>) = 3 [pid 5025] <... close resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... close resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5026] write(3, "1000", 4 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5029 [pid 5026] <... write resumed>) = 4 [pid 5024] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5023] <... futex resumed>) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5030 [pid 5026] close(3 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5031 [pid 5024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5023] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5026] <... close resumed>) = 0 [pid 5024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5023] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5029 attached [pid 5026] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5029] set_robust_list(0x5555556096a0, 24 [pid 5026] <... futex resumed>) = 0 [pid 5024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5029] <... set_robust_list resumed>) = 0 [pid 5026] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5024] <... mmap resumed>) = 0x7fb652e3d000 [pid 5023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5031 attached ./strace-static-x86_64: Process 5030 attached [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5024] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5023] <... mmap resumed>) = 0x7fb652e3d000 [pid 5031] set_robust_list(0x5555556096a0, 24 [pid 5030] set_robust_list(0x5555556096a0, 24 [pid 5029] <... prctl resumed>) = 0 [pid 5026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5024] <... mprotect resumed>) = 0 [pid 5023] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5031] <... set_robust_list resumed>) = 0 [pid 5030] <... set_robust_list resumed>) = 0 [pid 5029] setpgid(0, 0 [pid 5026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5023] <... mprotect resumed>) = 0 [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5029] <... setpgid resumed>) = 0 [pid 5026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5031] <... prctl resumed>) = 0 [pid 5030] <... prctl resumed>) = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5026] <... mmap resumed>) = 0x7fb652e3d000 [pid 5024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5031] setpgid(0, 0 [pid 5030] setpgid(0, 0 [pid 5029] <... openat resumed>) = 3 [pid 5026] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5031] <... setpgid resumed>) = 0 [pid 5030] <... setpgid resumed>) = 0 [pid 5029] write(3, "1000", 4 [pid 5026] <... mprotect resumed>) = 0 [pid 5024] <... clone3 resumed> => {parent_tid=[5032]}, 88) = 5032 ./strace-static-x86_64: Process 5032 attached [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] <... write resumed>) = 4 [pid 5026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5024] rt_sigprocmask(SIG_SETMASK, [], [pid 5023] <... clone3 resumed> => {parent_tid=[5033]}, 88) = 5033 [pid 5032] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5031] <... openat resumed>) = 3 [pid 5030] <... openat resumed>) = 3 [pid 5029] close(3 [pid 5026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5023] rt_sigprocmask(SIG_SETMASK, [], [pid 5032] <... rseq resumed>) = 0 [pid 5031] write(3, "1000", 4 [pid 5030] write(3, "1000", 4 [pid 5029] <... close resumed>) = 0 [pid 5026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5033 attached [pid 5032] set_robust_list(0x7fb652e5d9a0, 24 [pid 5031] <... write resumed>) = 4 [pid 5030] <... write resumed>) = 4 [pid 5029] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5032] <... set_robust_list resumed>) = 0 [pid 5031] close(3 [pid 5030] close(3 [pid 5029] <... futex resumed>) = 0 [pid 5026] <... clone3 resumed> => {parent_tid=[5034]}, 88) = 5034 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5023] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5034 attached [pid 5033] <... rseq resumed>) = 0 [pid 5032] rt_sigprocmask(SIG_SETMASK, [], [pid 5031] <... close resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5029] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5026] rt_sigprocmask(SIG_SETMASK, [], [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5034] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5033] set_robust_list(0x7fb652e5d9a0, 24 [pid 5032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5031] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5034] <... rseq resumed>) = 0 [pid 5033] <... set_robust_list resumed>) = 0 [pid 5032] memfd_create("syzkaller", 0 [pid 5031] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] set_robust_list(0x7fb652e5d9a0, 24 [pid 5033] rt_sigprocmask(SIG_SETMASK, [], [pid 5026] <... futex resumed>) = 0 [pid 5033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5033] memfd_create("syzkaller", 0) = 3 [pid 5033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5034] <... set_robust_list resumed>) = 0 [pid 5033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5030] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5034] rt_sigprocmask(SIG_SETMASK, [], [pid 5031] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5030] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5029] <... mmap resumed>) = 0x7fb652e3d000 [pid 5031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5034] memfd_create("syzkaller", 0 [pid 5031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5034] <... memfd_create resumed>) = 3 [pid 5031] <... mmap resumed>) = 0x7fb652e3d000 [pid 5030] <... mmap resumed>) = 0x7fb652e3d000 [pid 5029] <... mprotect resumed>) = 0 [pid 5034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5031] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5030] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5034] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5031] <... mprotect resumed>) = 0 [pid 5030] <... mprotect resumed>) = 0 [pid 5029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5032] <... memfd_create resumed>) = 3 [pid 5031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5032] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5029] <... clone3 resumed> => {parent_tid=[5036]}, 88) = 5036 ./strace-static-x86_64: Process 5037 attached [ 71.054987][ T5032] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5032 'syz-executor247' [pid 5034] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5031] <... clone3 resumed> => {parent_tid=[5037]}, 88) = 5037 [pid 5029] rt_sigprocmask(SIG_SETMASK, [], [pid 5037] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5031] rt_sigprocmask(SIG_SETMASK, [], [pid 5030] <... clone3 resumed> => {parent_tid=[5038]}, 88) = 5038 [pid 5029] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5036 attached [pid 5037] <... rseq resumed>) = 0 [pid 5031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5030] rt_sigprocmask(SIG_SETMASK, [], [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] set_robust_list(0x7fb652e5d9a0, 24 [pid 5036] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5029] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5038 attached [pid 5037] <... set_robust_list resumed>) = 0 [pid 5036] <... rseq resumed>) = 0 [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5038] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5037] rt_sigprocmask(SIG_SETMASK, [], [pid 5036] set_robust_list(0x7fb652e5d9a0, 24 [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5030] <... futex resumed>) = 0 [pid 5038] <... rseq resumed>) = 0 [pid 5037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5036] <... set_robust_list resumed>) = 0 [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5038] set_robust_list(0x7fb652e5d9a0, 24 [pid 5037] memfd_create("syzkaller", 0 [pid 5036] rt_sigprocmask(SIG_SETMASK, [], [pid 5032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5038] <... set_robust_list resumed>) = 0 [pid 5037] <... memfd_create resumed>) = 3 [pid 5036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5038] rt_sigprocmask(SIG_SETMASK, [], [pid 5037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5036] memfd_create("syzkaller", 0 [pid 5038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5037] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5036] <... memfd_create resumed>) = 3 [pid 5038] memfd_create("syzkaller", 0 [pid 5036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5033] <... write resumed>) = 2097152 [pid 5038] <... memfd_create resumed>) = 3 [pid 5036] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [pid 5036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5034] <... write resumed>) = 2097152 [pid 5033] munmap(0x7fb64aa3d000, 2097152 [pid 5034] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5037] <... write resumed>) = 2097152 [pid 5034] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5033] <... munmap resumed>) = 0 [pid 5037] munmap(0x7fb64aa3d000, 2097152 [pid 5034] <... openat resumed>) = 4 [pid 5033] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5037] <... munmap resumed>) = 0 [pid 5034] ioctl(4, LOOP_SET_FD, 3 [pid 5037] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5033] <... openat resumed>) = 4 [pid 5033] ioctl(4, LOOP_SET_FD, 3 [pid 5037] <... openat resumed>) = 4 [pid 5034] <... ioctl resumed>) = 0 [pid 5037] ioctl(4, LOOP_SET_FD, 3 [pid 5034] close(3 [pid 5037] <... ioctl resumed>) = 0 [pid 5034] <... close resumed>) = 0 [pid 5033] <... ioctl resumed>) = 0 [pid 5032] <... write resumed>) = 2097152 [pid 5037] close(3 [pid 5034] mkdir("./file1", 0777 [pid 5033] close(3 [pid 5032] munmap(0x7fb64aa3d000, 2097152 [pid 5037] <... close resumed>) = 0 [pid 5034] <... mkdir resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 5037] mkdir("./file1", 0777 [pid 5034] mount("/dev/loop2", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5033] mkdir("./file1", 0777 [pid 5032] <... munmap resumed>) = 0 [pid 5037] <... mkdir resumed>) = -1 EEXIST (File exists) [ 71.216740][ T5034] loop2: detected capacity change from 0 to 4096 [ 71.218383][ T5033] loop0: detected capacity change from 0 to 4096 [ 71.232858][ T5037] loop4: detected capacity change from 0 to 4096 [ 71.256045][ T5034] ======================================================= [pid 5038] <... write resumed>) = 2097152 [pid 5038] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5038] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5037] mount("/dev/loop4", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5033] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5038] ioctl(4, LOOP_SET_FD, 3 [pid 5032] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5038] <... ioctl resumed>) = 0 [pid 5033] mount("/dev/loop0", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5032] <... openat resumed>) = 4 [pid 5032] ioctl(4, LOOP_SET_FD, 3 [pid 5038] close(3) = 0 [pid 5038] mkdir("./file1", 0777) = -1 EEXIST (File exists) [ 71.256045][ T5034] WARNING: The mand mount option has been deprecated and [ 71.256045][ T5034] and is ignored by this kernel. Remove the mand [ 71.256045][ T5034] option from the mount to silence this warning. [ 71.256045][ T5034] ======================================================= [ 71.294494][ T5038] loop5: detected capacity change from 0 to 4096 [ 71.296551][ T5037] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [pid 5038] mount("/dev/loop5", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5036] <... write resumed>) = 2097152 [pid 5032] <... ioctl resumed>) = 0 [pid 5036] munmap(0x7fb64aa3d000, 2097152 [pid 5032] close(3 [pid 5036] <... munmap resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5036] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5032] mkdir("./file1", 0777 [pid 5036] <... openat resumed>) = 4 [pid 5036] ioctl(4, LOOP_SET_FD, 3 [pid 5032] <... mkdir resumed>) = -1 EEXIST (File exists) [ 71.314176][ T5032] loop1: detected capacity change from 0 to 4096 [ 71.320986][ T5033] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 71.321814][ T5038] NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024) [ 71.342161][ T5033] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 71.352735][ T5037] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 4096) [pid 5036] <... ioctl resumed>) = 0 [pid 5032] mount("/dev/loop1", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5036] close(3) = 0 [pid 5036] mkdir("./file1", 0777) = -1 EEXIST (File exists) [ 71.364601][ T5034] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) [ 71.375296][ T5036] loop3: detected capacity change from 0 to 4096 [ 71.382786][ T5038] NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 4096) [ 71.383140][ T5034] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 4096) [ 71.405166][ T5032] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024) [ 71.417760][ T5032] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096) [ 71.430291][ T5036] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024) [ 71.448536][ T5041] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5036] mount("/dev/loop3", "./file1", "nilfs2", MS_NODEV|MS_SYNCHRONOUS|MS_MANDLOCK|MS_SILENT|MS_LAZYTIME, "" [pid 5038] <... mount resumed>) = 0 [pid 5033] <... mount resumed>) = 0 [pid 5038] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5033] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5038] <... openat resumed>) = 3 [pid 5038] chdir("./file1") = 0 [pid 5038] ioctl(4, LOOP_CLR_FD) = 0 [pid 5038] close(4) = 0 [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5038] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] <... futex resumed>) = 0 [pid 5037] <... mount resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... mount resumed>) = 0 [ 71.451602][ T5042] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 71.470847][ T5036] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 4096) [ 71.480941][ T5040] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 71.506227][ T5043] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 1 [pid 5038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5037] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5034] <... mount resumed>) = 0 [pid 5033] chdir("./file1" [pid 5032] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... openat resumed>) = 3 [pid 5034] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5033] <... chdir resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5037] chdir("./file1" [pid 5033] ioctl(4, LOOP_CLR_FD [pid 5032] chdir("./file1" [pid 5037] <... chdir resumed>) = 0 [pid 5033] <... ioctl resumed>) = 0 [pid 5032] <... chdir resumed>) = 0 [pid 5037] ioctl(4, LOOP_CLR_FD [pid 5033] close(4 [pid 5032] ioctl(4, LOOP_CLR_FD [pid 5037] <... ioctl resumed>) = 0 [pid 5034] <... openat resumed>) = 3 [pid 5033] <... close resumed>) = 0 [pid 5032] <... ioctl resumed>) = 0 [pid 5037] close(4 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] chdir("./file1" [pid 5032] close(4 [pid 5037] <... close resumed>) = 0 [pid 5034] <... chdir resumed>) = 0 [pid 5033] <... futex resumed>) = 1 [pid 5032] <... close resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5038] <... open resumed>) = 4 [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... mount resumed>) = 0 [pid 5034] ioctl(4, LOOP_CLR_FD [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5034] <... ioctl resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5038] <... futex resumed>) = 1 [pid 5036] <... openat resumed>) = 3 [pid 5034] close(4 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] chdir("./file1" [pid 5034] <... close resumed>) = 0 [pid 5036] <... chdir resumed>) = 0 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] ioctl(4, LOOP_CLR_FD [pid 5034] <... futex resumed>) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 1 [pid 5036] <... ioctl resumed>) = 0 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] close(4 [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5032] <... futex resumed>) = 1 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = 0 [pid 5024] <... futex resumed>) = 0 [pid 5038] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... close resumed>) = 0 [pid 5034] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 1 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] <... open resumed>) = 4 [pid 5033] <... open resumed>) = 4 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5038] <... open resumed>) = 5 [pid 5037] <... open resumed>) = 4 [pid 5036] <... futex resumed>) = 1 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5029] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] <... futex resumed>) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5038] <... futex resumed>) = 1 [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = 1 [pid 5032] <... open resumed>) = 4 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 [pid 5038] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] <... futex resumed>) = 1 [pid 5036] <... futex resumed>) = 0 [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5034] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 1 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5038] ftruncate(5, 33587195 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... open resumed>) = 5 [pid 5033] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] <... ftruncate resumed>) = 0 [pid 5037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... open resumed>) = 5 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 71.517026][ T5044] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 71.549147][ T5045] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] <... open resumed>) = 5 [pid 5036] <... open resumed>) = 4 [pid 5034] <... futex resumed>) = 1 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5026] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5038] <... futex resumed>) = 1 [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = 1 [pid 5032] <... open resumed>) = 5 [pid 5030] <... futex resumed>) = 0 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 [pid 5038] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] <... futex resumed>) = 1 [pid 5036] <... futex resumed>) = 1 [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = 0 [pid 5026] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] ftruncate(5, 33587195 [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 1 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5038] sendfile(4, 5, NULL, 281474978811909 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... ftruncate resumed>) = 0 [pid 5033] ftruncate(5, 33587195 [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] ftruncate(5, 33587195 [pid 5036] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... ftruncate resumed>) = 0 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5037] <... ftruncate resumed>) = 0 [pid 5036] <... open resumed>) = 5 [pid 5034] <... futex resumed>) = 1 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] ftruncate(5, 33587195 [pid 5026] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = 1 [pid 5032] <... ftruncate resumed>) = 0 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 1 [pid 5036] <... futex resumed>) = 1 [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5026] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] sendfile(4, 5, NULL, 281474978811909 [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 1 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] sendfile(4, 5, NULL, 281474978811909 [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] sendfile(4, 5, NULL, 281474978811909 [pid 5036] ftruncate(5, 33587195 [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5036] <... ftruncate resumed>) = 0 [pid 5032] sendfile(4, 5, NULL, 281474978811909 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5029] <... futex resumed>) = 0 [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... futex resumed>) = 0 [pid 5036] sendfile(4, 5, NULL, 281474978811909 [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5030] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5030] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5030] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5026] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5030] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5026] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5031] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5023] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 0 [pid 5026] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5024] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5046 attached [pid 5031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... clone3 resumed> => {parent_tid=[5046]}, 88) = 5046 [pid 5029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5026] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5024] <... futex resumed>) = 0 [pid 5023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5046] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5031] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5030] rt_sigprocmask(SIG_SETMASK, [], [pid 5029] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... mprotect resumed>) = 0 [pid 5024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5023] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5046] <... rseq resumed>) = 0 [pid 5031] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5024] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5023] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5046] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5031] <... mprotect resumed>) = 0 [pid 5030] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5031] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5030] <... futex resumed>) = 0 [pid 5029] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5024] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5023] <... mprotect resumed>) = 0 [pid 5046] <... set_robust_list resumed>) = 0 [pid 5031] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5030] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5024] <... mprotect resumed>) = 0 [pid 5023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5046] rt_sigprocmask(SIG_SETMASK, [], [pid 5031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5029] <... mprotect resumed>) = 0 [pid 5026] <... clone3 resumed> => {parent_tid=[5047]}, 88) = 5047 [pid 5024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5023] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5047 attached [pid 5046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5026] rt_sigprocmask(SIG_SETMASK, [], [pid 5024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5048 attached [pid 5047] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5046] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5037] <... sendfile resumed>) = 77824 [pid 5034] <... sendfile resumed>) = 94208 [pid 5033] <... sendfile resumed>) = 90112 [pid 5032] <... sendfile resumed>) = 86016 [pid 5031] <... clone3 resumed> => {parent_tid=[5048]}, 88) = 5048 [pid 5029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5049 attached [pid 5048] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5047] <... rseq resumed>) = 0 [pid 5046] <... openat resumed>) = 6 [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] rt_sigprocmask(SIG_SETMASK, [], [pid 5029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5026] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5052 attached ./strace-static-x86_64: Process 5051 attached [pid 5049] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5048] <... rseq resumed>) = 0 [pid 5047] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5046] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] <... futex resumed>) = 0 [pid 5034] <... futex resumed>) = 0 [pid 5033] <... futex resumed>) = 0 [pid 5032] <... futex resumed>) = 0 [pid 5031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5026] <... futex resumed>) = 0 [pid 5023] <... clone3 resumed> => {parent_tid=[5049]}, 88) = 5049 [pid 5052] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5051] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5049] <... rseq resumed>) = 0 [pid 5048] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5047] <... set_robust_list resumed>) = 0 [pid 5046] <... futex resumed>) = 1 [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = 0 [pid 5029] <... clone3 resumed> => {parent_tid=[5052]}, 88) = 5052 [pid 5026] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... clone3 resumed> => {parent_tid=[5051]}, 88) = 5051 [pid 5023] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] <... rseq resumed>) = 0 [pid 5051] <... rseq resumed>) = 0 [pid 5049] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5048] <... set_robust_list resumed>) = 0 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5046] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] rt_sigprocmask(SIG_SETMASK, [], [pid 5024] rt_sigprocmask(SIG_SETMASK, [], [pid 5023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5051] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5049] <... set_robust_list resumed>) = 0 [pid 5048] rt_sigprocmask(SIG_SETMASK, [], [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... futex resumed>) = 0 [pid 5029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5023] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... set_robust_list resumed>) = 0 [pid 5051] <... set_robust_list resumed>) = 0 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], [pid 5048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5047] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5046] lseek(6, 257, SEEK_SET [pid 5030] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 [pid 5052] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] rt_sigprocmask(SIG_SETMASK, [], [pid 5049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5048] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5047] <... openat resumed>) = 6 [pid 5046] <... lseek resumed>) = 257 [pid 5029] <... futex resumed>) = 0 [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5049] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5048] <... openat resumed>) = 6 [pid 5047] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5051] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5049] <... openat resumed>) = 6 [pid 5048] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 1 [pid 5046] <... futex resumed>) = 1 [pid 5030] <... futex resumed>) = 0 [pid 5026] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 6 [pid 5051] <... openat resumed>) = 6 [pid 5049] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 1 [pid 5047] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... futex resumed>) = 0 [pid 5030] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 1 [pid 5048] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = 0 [pid 5026] <... futex resumed>) = 1 [pid 5023] <... futex resumed>) = 0 [pid 5052] <... futex resumed>) = 1 [pid 5051] <... futex resumed>) = 1 [pid 5049] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] getdents64(6, [pid 5037] <... futex resumed>) = 0 [pid 5034] lseek(6, 257, SEEK_SET [pid 5031] <... futex resumed>) = 1 [pid 5030] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] <... futex resumed>) = 0 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5051] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5037] lseek(6, 257, SEEK_SET [pid 5034] <... lseek resumed>) = 257 [pid 5033] <... futex resumed>) = 0 [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 1 [pid 5052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] <... lseek resumed>) = 257 [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] lseek(6, 257, SEEK_SET [pid 5032] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5024] <... futex resumed>) = 1 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] lseek(6, 257, SEEK_SET [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] <... futex resumed>) = 1 [pid 5033] <... lseek resumed>) = 257 [pid 5032] lseek(6, 257, SEEK_SET [pid 5029] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5026] <... futex resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... lseek resumed>) = 257 [pid 5037] <... futex resumed>) = 1 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... lseek resumed>) = 257 [pid 5031] <... futex resumed>) = 0 [pid 5026] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... futex resumed>) = 1 [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5052] <... futex resumed>) = 1 [pid 5037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] getdents64(6, [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... futex resumed>) = 1 [pid 5031] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5026] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5046] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5038] <... sendfile resumed>) = 208896 [pid 5037] getdents64(6, [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] <... futex resumed>) = 0 [pid 5052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 71.819080][ T5046] NILFS error (device loop0): nilfs_readdir: zero-length directory entry [ 71.838332][ T5046] Remounting filesystem read-only [ 71.844545][ T5034] NILFS error (device loop2): nilfs_readdir: zero-length directory entry [ 71.855302][ T5037] NILFS error (device loop2): nilfs_readdir: zero-length directory entry [pid 5033] getdents64(6, [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... futex resumed>) = 0 [pid 5024] <... futex resumed>) = 0 [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(6, [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] getdents64(6, [pid 5030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5029] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] <... futex resumed>) = 0 [pid 5036] <... sendfile resumed>) = 368640 [pid 5031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5030] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5037] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5031] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = 0 [pid 5037] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 1 [pid 5030] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5037] <... futex resumed>) = 0 [pid 5031] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5037] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5031] <... futex resumed>) = 0 [pid 5048] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] exit_group(0 [pid 5046] <... futex resumed>) = 0 [pid 5038] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = ? [pid 5037] <... futex resumed>) = ? [pid 5033] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5031] <... exit_group resumed>) = ? [ 71.856740][ T5033] NILFS error (device loop2): nilfs_readdir: zero-length directory entry [ 71.873860][ T5037] Remounting filesystem read-only [ 71.879335][ T5034] Remounting filesystem read-only [ 71.886287][ T5052] NILFS error (device loop3): nilfs_readdir: zero-length directory entry [ 71.895110][ T5032] NILFS error (device loop2): nilfs_readdir: zero-length directory entry [ 71.903715][ T5032] Remounting filesystem read-only [ 71.909277][ T5033] Remounting filesystem read-only [pid 5048] +++ exited with 0 +++ [pid 5047] <... futex resumed>) = 0 [pid 5046] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5038] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5037] +++ exited with 0 +++ [pid 5036] <... futex resumed>) = 0 [pid 5034] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5031] +++ exited with 0 +++ [pid 5026] <... futex resumed>) = 1 [pid 5047] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EROFS (Read-only file system) [pid 5047] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x9999999999999999, 41) = -1 EIO (Input/output error) [pid 5033] <... futex resumed>) = 1 [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5031, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5052] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5038] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... futex resumed>) = 1 [pid 5026] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5024] <... futex resumed>) = 0 [pid 5023] <... futex resumed>) = 0 [pid 5052] <... futex resumed>) = 1 [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5029] <... futex resumed>) = 0 [pid 5047] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5038] <... futex resumed>) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5025] <... openat resumed>) = 3 [pid 5024] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5023] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5036] <... futex resumed>) = 0 [pid 5034] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = 0 [pid 5032] <... futex resumed>) = 0 [pid 5030] exit_group(0 [pid 5029] <... futex resumed>) = 1 [pid 5026] exit_group(0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5024] <... futex resumed>) = 1 [pid 5023] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = ? [pid 5046] <... futex resumed>) = ? [pid 5038] <... futex resumed>) = ? [pid 5036] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5034] <... futex resumed>) = ? [pid 5033] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5032] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5030] <... exit_group resumed>) = ? [pid 5029] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5026] <... exit_group resumed>) = ? [pid 5025] <... ioctl resumed>) = 0 [pid 5024] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5023] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] +++ exited with 0 +++ [pid 5046] +++ exited with 0 +++ [pid 5038] +++ exited with 0 +++ [pid 5036] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5034] +++ exited with 0 +++ [pid 5033] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5032] <... openat resumed>) = -1 EROFS (Read-only file system) [pid 5025] close(3 [pid 5033] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... close resumed>) = 0 [pid 5033] <... futex resumed>) = 0 [pid 5032] <... futex resumed>) = 0 [pid 5030] +++ exited with 0 +++ [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5033] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5053 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5036] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] +++ exited with 0 +++ [pid 5036] <... futex resumed>) = 1 [pid 5029] <... futex resumed>) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5054 [pid 5024] exit_group(0 [pid 5023] exit_group(0 [pid 5051] <... futex resumed>) = ? [pid 5049] <... futex resumed>) = ? [pid 5036] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... futex resumed>) = ? [pid 5032] <... futex resumed>) = ? [pid 5029] exit_group(0 [pid 5024] <... exit_group resumed>) = ? [pid 5023] <... exit_group resumed>) = ? [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5052] <... futex resumed>) = ? [pid 5051] +++ exited with 0 +++ [pid 5049] +++ exited with 0 +++ [pid 5036] <... futex resumed>) = ? [pid 5033] +++ exited with 0 +++ [pid 5032] +++ exited with 0 +++ [pid 5029] <... exit_group resumed>) = ? [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5052] +++ exited with 0 +++ [pid 5024] +++ exited with 0 +++ [pid 5021] <... restart_syscall resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5024, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5036] +++ exited with 0 +++ [pid 5029] +++ exited with 0 +++ [ 71.918964][ T5052] Remounting filesystem read-only [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5023] +++ exited with 0 +++ [pid 5021] <... openat resumed>) = 3 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5029, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] <... ioctl resumed>) = 0 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5023, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5022] <... openat resumed>) = 3 [pid 5021] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5019] <... openat resumed>) = 3 [pid 5022] <... ioctl resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5022] close(3 [pid 5020] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5055 [pid 5020] close(3 [pid 5019] close(3 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... close resumed>) = 0 [pid 5019] <... close resumed>) = 0 ./strace-static-x86_64: Process 5053 attached [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5056 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5057 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5058 ./strace-static-x86_64: Process 5055 attached [pid 5055] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5057 attached ) = 0 ./strace-static-x86_64: Process 5058 attached ./strace-static-x86_64: Process 5056 attached ./strace-static-x86_64: Process 5054 attached [pid 5057] set_robust_list(0x5555556096a0, 24 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] set_robust_list(0x5555556096a0, 24 [pid 5058] set_robust_list(0x5555556096a0, 24 [pid 5057] <... set_robust_list resumed>) = 0 [pid 5056] set_robust_list(0x5555556096a0, 24 [pid 5055] <... prctl resumed>) = 0 [pid 5054] set_robust_list(0x5555556096a0, 24 [pid 5053] <... set_robust_list resumed>) = 0 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] setpgid(0, 0 [pid 5054] <... set_robust_list resumed>) = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... prctl resumed>) = 0 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... setpgid resumed>) = 0 [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] <... prctl resumed>) = 0 [pid 5058] <... prctl resumed>) = 0 [pid 5057] setpgid(0, 0 [pid 5056] <... prctl resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... prctl resumed>) = 0 [pid 5053] setpgid(0, 0 [pid 5058] setpgid(0, 0 [pid 5057] <... setpgid resumed>) = 0 [pid 5056] setpgid(0, 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] setpgid(0, 0 [pid 5053] <... setpgid resumed>) = 0 [pid 5058] <... setpgid resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... setpgid resumed>) = 0 [pid 5055] write(3, "1000", 4 [pid 5054] <... setpgid resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... openat resumed>) = 3 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... write resumed>) = 4 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... openat resumed>) = 3 [pid 5057] write(3, "1000", 4 [pid 5056] <... openat resumed>) = 3 [pid 5055] close(3 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 5058] write(3, "1000", 4 [pid 5057] <... write resumed>) = 4 [pid 5056] write(3, "1000", 4 [pid 5055] <... close resumed>) = 0 [pid 5054] write(3, "1000", 4 [pid 5053] write(3, "1000", 4 [pid 5058] <... write resumed>) = 4 [pid 5057] close(3 [pid 5056] <... write resumed>) = 4 [pid 5055] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... write resumed>) = 4 [pid 5053] <... write resumed>) = 4 [pid 5058] close(3 [pid 5057] <... close resumed>) = 0 [pid 5056] close(3 [pid 5055] <... futex resumed>) = 0 [pid 5054] close(3 [pid 5053] close(3 [pid 5058] <... close resumed>) = 0 [pid 5057] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 5055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5054] <... close resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5058] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 0 [pid 5056] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = 0 [pid 5057] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5056] <... futex resumed>) = 0 [pid 5055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = 0 [pid 5058] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5053] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5058] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... mmap resumed>) = 0x7fb652e3d000 [pid 5054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] <... mmap resumed>) = 0x7fb652e3d000 [pid 5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... mprotect resumed>) = 0 [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... mmap resumed>) = 0x7fb652e3d000 [pid 5057] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... mmap resumed>) = 0x7fb652e3d000 [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... mmap resumed>) = 0x7fb652e3d000 [pid 5053] <... mmap resumed>) = 0x7fb652e3d000 [pid 5058] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5057] <... mprotect resumed>) = 0 [pid 5056] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5053] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5058] <... mprotect resumed>) = 0 [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... mprotect resumed>) = 0 [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5054] <... mprotect resumed>) = 0 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... mprotect resumed>) = 0 [pid 5058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... clone3 resumed> => {parent_tid=[5059]}, 88) = 5059 [pid 5054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5059 attached [pid 5058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5055] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5057] <... clone3 resumed> => {parent_tid=[5060]}, 88) = 5060 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5059] <... rseq resumed>) = 0 [pid 5058] <... clone3 resumed> => {parent_tid=[5061]}, 88) = 5061 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... clone3 resumed> => {parent_tid=[5062]}, 88) = 5062 [pid 5055] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... clone3 resumed> => {parent_tid=[5063]}, 88) = 5063 ./strace-static-x86_64: Process 5060 attached [pid 5059] set_robust_list(0x7fb652e5d9a0, 24 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... futex resumed>) = 0 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5063 attached ./strace-static-x86_64: Process 5062 attached ./strace-static-x86_64: Process 5061 attached [pid 5060] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... clone3 resumed> => {parent_tid=[5064]}, 88) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5063] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5062] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5061] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5060] <... rseq resumed>) = 0 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 0 [pid 5056] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5063] <... rseq resumed>) = 0 [pid 5062] <... rseq resumed>) = 0 [pid 5061] <... rseq resumed>) = 0 [pid 5060] set_robust_list(0x7fb652e5d9a0, 24 [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... futex resumed>) = 0 [pid 5057] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... rseq resumed>) = 0 [pid 5063] set_robust_list(0x7fb652e5d9a0, 24 [pid 5062] set_robust_list(0x7fb652e5d9a0, 24 [pid 5061] set_robust_list(0x7fb652e5d9a0, 24 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] memfd_create("syzkaller", 0 [pid 5058] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] set_robust_list(0x7fb652e5d9a0, 24 [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5060] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... memfd_create resumed>) = 3 [pid 5053] <... futex resumed>) = 0 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] memfd_create("syzkaller", 0 [pid 5063] memfd_create("syzkaller", 0 [pid 5061] memfd_create("syzkaller", 0 [pid 5060] <... memfd_create resumed>) = 3 [pid 5064] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] <... memfd_create resumed>) = 3 [pid 5062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... memfd_create resumed>) = 3 [pid 5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] memfd_create("syzkaller", 0 [pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5064] memfd_create("syzkaller", 0 [pid 5063] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5062] <... memfd_create resumed>) = 3 [pid 5061] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5064] <... memfd_create resumed>) = 3 [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5064] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152) = 2097152 [pid 5061] <... write resumed>) = 2097152 [pid 5064] <... write resumed>) = 2097152 [pid 5060] <... write resumed>) = 2097152 [pid 5059] <... write resumed>) = 2097152 [pid 5064] munmap(0x7fb64aa3d000, 2097152 [pid 5062] munmap(0x7fb64aa3d000, 2097152 [pid 5059] munmap(0x7fb64aa3d000, 2097152 [pid 5061] munmap(0x7fb64aa3d000, 2097152 [pid 5060] munmap(0x7fb64aa3d000, 2097152 [pid 5059] <... munmap resumed>) = 0 [pid 5062] <... munmap resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] <... munmap resumed>) = 0 [pid 5063] <... write resumed>) = 2097152 [pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5061] <... munmap resumed>) = 0 [pid 5060] <... munmap resumed>) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5063] munmap(0x7fb64aa3d000, 2097152 [pid 5062] <... openat resumed>) = 4 [pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5059] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... openat resumed>) = 4 [pid 5063] <... munmap resumed>) = 0 [pid 5062] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... openat resumed>) = 4 [pid 5060] <... openat resumed>) = 4 [pid 5059] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5060] ioctl(4, LOOP_SET_FD, 3 [pid 5059] ioctl(4, LOOP_CLR_FD [pid 5064] ioctl(4, LOOP_SET_FD, 3 [pid 5062] ioctl(4, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] <... ioctl resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5059] <... ioctl resumed>) = 0 [pid 5064] ioctl(4, LOOP_CLR_FD [pid 5060] ioctl(4, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = 0 [pid 5061] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... ioctl resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] <... openat resumed>) = 4 [pid 5062] ioctl(4, LOOP_SET_FD, 3 [pid 5061] ioctl(4, LOOP_CLR_FD [pid 5059] ioctl(4, LOOP_SET_FD, 3 [pid 5062] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5061] <... ioctl resumed>) = 0 [pid 5059] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] ioctl(4, LOOP_SET_FD, 3 [pid 5063] ioctl(4, LOOP_SET_FD, 3 [pid 5062] close(4 [pid 5060] ioctl(4, LOOP_SET_FD, 3 [pid 5059] close(4 [pid 5064] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] <... close resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5064] close(4 [pid 5063] ioctl(4, LOOP_CLR_FD [pid 5062] close(3 [pid 5060] close(4 [pid 5064] <... close resumed>) = 0 [pid 5063] <... ioctl resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5064] close(3 [pid 5060] close(3 [pid 5062] <... close resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5063] ioctl(4, LOOP_SET_FD, 3 [pid 5062] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] ioctl(4, LOOP_SET_FD, 3 [pid 5059] close(3 [pid 5063] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] <... futex resumed>) = 1 [pid 5061] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5056] <... futex resumed>) = 0 [pid 5063] close(4) = 0 [pid 5063] close(3 [pid 5062] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5061] close(4 [pid 5056] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... close resumed>) = 0 [pid 5062] <... open resumed>) = 3 [pid 5061] <... close resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5056] <... futex resumed>) = 0 [pid 5062] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(3 [pid 5060] <... close resumed>) = 0 [pid 5059] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... close resumed>) = 0 [pid 5062] <... futex resumed>) = 0 [pid 5060] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... futex resumed>) = 1 [pid 5057] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5060] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5057] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... open resumed>) = 3 [pid 5057] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5064] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5060] <... futex resumed>) = 0 [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... open resumed>) = 3 [pid 5063] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... futex resumed>) = 1 [pid 5057] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] <... futex resumed>) = 0 [pid 5056] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5063] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... futex resumed>) = 0 [pid 5060] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... futex resumed>) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5054] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5061] <... close resumed>) = 0 [pid 5060] <... open resumed>) = 4 [pid 5059] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5056] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5062] <... open resumed>) = 4 [pid 5061] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... open resumed>) = 3 [pid 5054] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5064] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5063] <... open resumed>) = 3 [pid 5062] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = 1 [pid 5059] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... open resumed>) = 4 [pid 5063] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... futex resumed>) = 1 [pid 5061] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... futex resumed>) = 1 [pid 5058] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = 1 [pid 5062] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... futex resumed>) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5056] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5063] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5060] ftruncate(4, 33587195 [pid 5059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5054] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] ftruncate(4, 33587195 [pid 5061] <... open resumed>) = 3 [pid 5060] <... ftruncate resumed>) = 0 [pid 5059] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5060] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5064] ftruncate(4, 33587195 [pid 5063] <... open resumed>) = 4 [pid 5062] <... ftruncate resumed>) = 0 [pid 5061] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... futex resumed>) = 1 [pid 5059] <... open resumed>) = 4 [pid 5057] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... ftruncate resumed>) = 0 [pid 5063] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = 1 [pid 5060] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = 0 [pid 5057] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = 1 [pid 5062] <... futex resumed>) = 1 [pid 5061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... futex resumed>) = 1 [pid 5058] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 0 [pid 5056] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5063] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... open resumed>) = 4 [pid 5060] sendfile(3, 4, NULL, 281474978811909 [pid 5059] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... futex resumed>) = 0 [pid 5057] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5064] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] ftruncate(4, 33587195 [pid 5062] sendfile(3, 4, NULL, 281474978811909 [pid 5061] <... futex resumed>) = 0 [pid 5059] ftruncate(4, 33587195 [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5064] sendfile(3, 4, NULL, 281474978811909 [pid 5063] <... ftruncate resumed>) = 0 [pid 5053] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = 1 [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5063] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] ftruncate(4, 33587195 [pid 5058] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... futex resumed>) = 0 [pid 5063] sendfile(3, 4, NULL, 281474978811909 [pid 5054] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... ftruncate resumed>) = 0 [pid 5059] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5059] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5059] sendfile(3, 4, NULL, 281474978811909 [pid 5055] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... ftruncate resumed>) = 0 [pid 5061] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5057] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] <... futex resumed>) = 1 [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... futex resumed>) = 0 [pid 5056] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5056] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] <... futex resumed>) = 0 [pid 5057] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = 0 [pid 5057] <... mprotect resumed>) = 0 [pid 5053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5061] sendfile(3, 4, NULL, 281474978811909 [pid 5058] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... mprotect resumed>) = 0 [pid 5056] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... clone3 resumed> => {parent_tid=[5066]}, 88) = 5066 [pid 5056] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5054] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... mprotect resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5066 attached [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5057] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5053] <... clone3 resumed> => {parent_tid=[5067]}, 88) = 5067 [pid 5066] <... rseq resumed>) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5054] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5053] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5067 attached [pid 5066] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5057] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... mprotect resumed>) = 0 [pid 5053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5056] <... clone3 resumed> => {parent_tid=[5068]}, 88) = 5068 [pid 5054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rseq resumed>) = 0 [pid 5066] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5068 attached [pid 5067] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5053] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5056] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5069 attached [pid 5068] <... rseq resumed>) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5056] <... futex resumed>) = 0 [pid 5055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... clone3 resumed> => {parent_tid=[5069]}, 88) = 5069 [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5056] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5066] <... futex resumed>) = 1 [pid 5057] <... futex resumed>) = 0 [pid 5055] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5068] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5066] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... mprotect resumed>) = 0 [pid 5054] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] <... futex resumed>) = 0 [pid 5055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... futex resumed>) = 0 [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5067] <... futex resumed>) = 1 [pid 5066] lseek(-1, 257, SEEK_SET [pid 5057] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5067] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5053] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5068] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5068] <... futex resumed>) = 1 [pid 5067] lseek(-1, 257, SEEK_SET [pid 5066] <... futex resumed>) = 1 [pid 5057] <... futex resumed>) = 0 [pid 5056] <... futex resumed>) = 0 [pid 5055] <... clone3 resumed> => {parent_tid=[5070]}, 88) = 5070 [pid 5053] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] lseek(-1, 257, SEEK_SET [pid 5067] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5070 attached [pid 5069] <... futex resumed>) = 1 [pid 5068] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5067] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] <... futex resumed>) = 0 [pid 5056] <... futex resumed>) = 0 [pid 5055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5070] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5069] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 1 [pid 5066] getdents64(-1, [pid 5057] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... futex resumed>) = 0 [pid 5070] <... rseq resumed>) = 0 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5069] lseek(-1, 257, SEEK_SET [pid 5066] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... futex resumed>) = 0 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5066] <... futex resumed>) = 1 [pid 5057] <... futex resumed>) = 0 [pid 5053] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5069] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5057] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... openat resumed>) = 5 [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5070] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(-1, [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] getdents64(-1, [pid 5066] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... futex resumed>) = 0 [pid 5054] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... futex resumed>) = 1 [pid 5069] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5068] getdents64(-1, [pid 5067] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5066] <... futex resumed>) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5056] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = 0 [pid 5070] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5067] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... futex resumed>) = 1 [pid 5068] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 1 [pid 5058] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5055] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = 0 [pid 5070] lseek(-1, 257, SEEK_SET [pid 5069] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... futex resumed>) = 1 [pid 5067] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5058] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... futex resumed>) = 0 [pid 5055] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = 0 [pid 5070] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5067] <... openat resumed>) = 5 [pid 5058] <... mprotect resumed>) = 0 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... futex resumed>) = 1 [pid 5069] <... openat resumed>) = 5 [pid 5068] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5067] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 5 [pid 5055] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... futex resumed>) = 1 [pid 5068] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... futex resumed>) = 0 [pid 5058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = 0 [pid 5054] <... futex resumed>) = 0 [pid 5070] getdents64(-1, [pid 5069] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... futex resumed>) = 0 [pid 5067] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5068] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... clone3 resumed> => {parent_tid=[5071]}, 88) = 5071 [pid 5070] <... futex resumed>) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5071 attached [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = 0 [pid 5071] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5070] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5058] <... futex resumed>) = 0 [pid 5055] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... rseq resumed>) = 0 [pid 5071] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5071] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5071] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 5 [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5058] <... futex resumed>) = 1 [pid 5055] <... futex resumed>) = 0 [pid 5071] lseek(-1, 257, SEEK_SET [pid 5070] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5071] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5071] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] <... futex resumed>) = 0 [pid 5071] getdents64(-1, [pid 5058] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5071] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5071] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] <... futex resumed>) = 0 [pid 5071] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5058] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... openat resumed>) = 5 [pid 5071] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5071] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] exit_group(0) = ? [pid 5069] <... futex resumed>) = ? [pid 5069] +++ exited with 0 +++ [pid 5053] exit_group(0 [pid 5067] <... futex resumed>) = ? [pid 5053] <... exit_group resumed>) = ? [pid 5067] +++ exited with 0 +++ [pid 5058] exit_group(0 [pid 5071] <... futex resumed>) = ? [pid 5058] <... exit_group resumed>) = ? [pid 5071] +++ exited with 0 +++ [pid 5064] <... sendfile resumed>) = ? [pid 5057] exit_group(0 [pid 5066] <... futex resumed>) = ? [pid 5057] <... exit_group resumed>) = ? [pid 5064] +++ exited with 0 +++ [pid 5053] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ [pid 5063] <... sendfile resumed>) = ? [pid 5061] <... sendfile resumed>) = ? [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5063] +++ exited with 0 +++ [pid 5060] <... sendfile resumed>) = ? [pid 5056] exit_group(0 [pid 5054] +++ exited with 0 +++ [pid 5068] <... futex resumed>) = ? [pid 5056] <... exit_group resumed>) = ? [pid 5068] +++ exited with 0 +++ [pid 5061] +++ exited with 0 +++ [pid 5058] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5027] <... restart_syscall resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] <... ioctl resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5027] <... openat resumed>) = 3 [pid 5025] close(3 [pid 5019] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] <... close resumed>) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x5555556096a0, 24) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] <... ioctl resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] close(3 [pid 5072] <... prctl resumed>) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] <... close resumed>) = 0 [pid 5055] exit_group(0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5073 [pid 5070] <... futex resumed>) = ? [pid 5055] <... exit_group resumed>) = ? [pid 5070] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5074 [pid 5072] close(3 [pid 5059] <... sendfile resumed>) = ? [pid 5062] <... sendfile resumed>) = ? [pid 5072] <... close resumed>) = 0 [pid 5072] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5073 attached ) = 0 [pid 5073] set_robust_list(0x5555556096a0, 24 [pid 5072] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] +++ exited with 0 +++ [pid 5055] +++ exited with 0 +++ [pid 5073] <... prctl resumed>) = 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5073] setpgid(0, 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] <... setpgid resumed>) = 0 [pid 5072] <... mmap resumed>) = 0x7fb652e3d000 [pid 5062] +++ exited with 0 +++ [pid 5060] +++ exited with 0 +++ [pid 5057] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5073] <... openat resumed>) = 3 [pid 5072] <... mprotect resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5021] <... openat resumed>) = 3 [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5073] write(3, "1000", 4 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5073] <... write resumed>) = 4 [pid 5072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5022] <... restart_syscall resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5074] set_robust_list(0x5555556096a0, 24 [pid 5073] close(3 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5021] close(3 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone3 resumed> => {parent_tid=[5075]}, 88) = 5075 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... futex resumed>) = 0 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], [pid 5022] <... openat resumed>) = 3 [pid 5020] <... openat resumed>) = 3 [pid 5074] <... prctl resumed>) = 0 [pid 5073] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5076 [pid 5020] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5075 attached [pid 5074] setpgid(0, 0 [pid 5073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... ioctl resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5075] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5074] <... setpgid resumed>) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5022] <... close resumed>) = 0 [pid 5020] close(3 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... rseq resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... mmap resumed>) = 0x7fb652e3d000 [pid 5020] <... close resumed>) = 0 ./strace-static-x86_64: Process 5076 attached [pid 5073] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5077 [pid 5076] set_robust_list(0x5555556096a0, 24 [pid 5075] set_robust_list(0x7fb652e5d9a0, 24 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... mprotect resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] write(3, "1000", 4 [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... write resumed>) = 4 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5076] setpgid(0, 0 [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] close(3 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5078 [pid 5076] <... setpgid resumed>) = 0 [pid 5075] memfd_create("syzkaller", 0 [pid 5073] <... clone3 resumed> => {parent_tid=[5079]}, 88) = 5079 [pid 5074] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... memfd_create resumed>) = 3 [pid 5074] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5079 attached [pid 5076] <... openat resumed>) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... futex resumed>) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5079] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5076] write(3, "1000", 4 [pid 5075] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5074] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5073] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5078 attached [pid 5079] <... rseq resumed>) = 0 [pid 5077] set_robust_list(0x5555556096a0, 24 [pid 5076] <... write resumed>) = 4 [pid 5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5078] set_robust_list(0x5555556096a0, 24 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] close(3 [pid 5074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5073] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... close resumed>) = 0 [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... prctl resumed>) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... prctl resumed>) = 0 [pid 5077] setpgid(0, 0 [pid 5074] <... mmap resumed>) = 0x7fb652e3d000 [pid 5078] setpgid(0, 0 [pid 5077] <... setpgid resumed>) = 0 [pid 5074] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... setpgid resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... mprotect resumed>) = 0 [pid 5079] memfd_create("syzkaller", 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5076] <... futex resumed>) = 0 [pid 5074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5079] <... memfd_create resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5077] write(3, "1000", 4 [pid 5076] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5074] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] write(3, "1000", 4 [pid 5077] <... write resumed>) = 4 [pid 5076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5078] <... write resumed>) = 4 [pid 5077] close(3 [pid 5078] close(3 [pid 5077] <... close resumed>) = 0 [pid 5074] <... clone3 resumed> => {parent_tid=[5080]}, 88) = 5080 [pid 5078] <... close resumed>) = 0 [pid 5077] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] <... futex resumed>) = 0 [pid 5077] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5074] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] <... futex resumed>) = 0 [pid 5078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5074] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5080 attached [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... mmap resumed>) = 0x7fb652e3d000 [pid 5080] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5078] <... mmap resumed>) = 0x7fb652e3d000 [pid 5077] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... rseq resumed>) = 0 [pid 5078] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... mprotect resumed>) = 0 [pid 5080] set_robust_list(0x7fb652e5d9a0, 24 [pid 5078] <... mprotect resumed>) = 0 [pid 5077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5076] <... mmap resumed>) = 0x7fb652e3d000 [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5080] memfd_create("syzkaller", 0 [pid 5077] <... clone3 resumed> => {parent_tid=[5081]}, 88) = 5081 [pid 5076] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... memfd_create resumed>) = 3 [pid 5078] <... clone3 resumed> => {parent_tid=[5082]}, 88) = 5082 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5081 attached [pid 5080] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5082 attached [pid 5081] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [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"..., 2097152 [pid 5078] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5081] <... rseq resumed>) = 0 [pid 5078] <... futex resumed>) = 0 [pid 5077] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] set_robust_list(0x7fb652e5d9a0, 24 [pid 5078] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5082] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5081] memfd_create("syzkaller", 0) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5082] <... rseq resumed>) = 0 [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5082] set_robust_list(0x7fb652e5d9a0, 24 [pid 5075] <... write resumed>) = 2097152 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5076] <... clone3 resumed> => {parent_tid=[5083]}, 88) = 5083 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] memfd_create("syzkaller", 0 [pid 5076] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... memfd_create resumed>) = 3 [pid 5076] <... futex resumed>) = 0 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5076] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... mmap resumed>) = 0x7fb64aa3d000 [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"..., 2097152 [pid 5075] munmap(0x7fb64aa3d000, 2097152./strace-static-x86_64: Process 5083 attached ) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5083] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5083] set_robust_list(0x7fb652e5d9a0, 24 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5083] <... set_robust_list resumed>) = 0 [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] <... write resumed>) = 2097152 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 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"..., 2097152 [pid 5083] memfd_create("syzkaller", 0 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [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"..., 2097152 [pid 5075] close(4 [pid 5083] <... memfd_create resumed>) = 3 [pid 5075] <... close resumed>) = 0 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] close(3 [pid 5083] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5080] <... write resumed>) = 2097152 [pid 5075] <... close resumed>) = 0 [pid 5075] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 1 [pid 5075] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5079] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5079] <... openat resumed>) = 4 [pid 5082] <... write resumed>) = 2097152 [pid 5079] ioctl(4, LOOP_SET_FD, 3 [pid 5080] munmap(0x7fb64aa3d000, 2097152 [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... munmap resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5080] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] close(4 [pid 5080] <... openat resumed>) = 4 [pid 5079] <... close resumed>) = 0 [pid 5082] munmap(0x7fb64aa3d000, 2097152 [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5072] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... write resumed>) = 2097152 [pid 5080] ioctl(4, LOOP_CLR_FD [pid 5079] close(3 [pid 5072] <... futex resumed>) = 0 [pid 5082] <... munmap resumed>) = 0 [pid 5080] <... ioctl resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5072] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5082] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5079] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... clone3 resumed> => {parent_tid=[5084]}, 88) = 5084 [pid 5081] munmap(0x7fb64aa3d000, 2097152 [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5072] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] <... openat resumed>) = 4 [pid 5081] <... munmap resumed>) = 0 [pid 5080] close(4 [pid 5079] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5080] <... close resumed>) = 0 [pid 5072] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5084 attached [pid 5083] <... write resumed>) = 2097152 [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5080] close(3 [pid 5079] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5073] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5084] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5083] munmap(0x7fb64aa3d000, 2097152 [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5072] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5081] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5084] <... rseq resumed>) = 0 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5081] close(4) = 0 [pid 5081] close(3 [pid 5084] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5083] <... munmap resumed>) = 0 [pid 5082] ioctl(4, LOOP_CLR_FD [pid 5073] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... ioctl resumed>) = 0 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5083] <... openat resumed>) = 4 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] ioctl(4, LOOP_SET_FD, 3 [pid 5084] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5083] ioctl(4, LOOP_CLR_FD [pid 5080] <... close resumed>) = 0 [pid 5083] <... ioctl resumed>) = 0 [pid 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5080] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... futex resumed>) = 1 [pid 5080] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5081] <... close resumed>) = 0 [pid 5082] close(4) = 0 [pid 5082] close(3 [pid 5083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5083] close(4) = 0 [pid 5083] close(3 [pid 5081] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5077] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5072] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5085]}, 88) = 5085 [pid 5072] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... futex resumed>) = 1 [pid 5081] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000./strace-static-x86_64: Process 5085 attached [pid 5085] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5085] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5085] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 1 [pid 5085] sendfile(-1, -1, NULL, 281474978811909) = -1 EBADF (Bad file descriptor) [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 1 [pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 1 [pid 5085] lseek(-1, 257, SEEK_SET) = -1 EBADF (Bad file descriptor) [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] getdents64(-1, [pid 5072] <... futex resumed>) = 0 [pid 5085] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] <... futex resumed>) = 0 [pid 5085] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... openat resumed>) = 5 [pid 5073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5072] <... futex resumed>) = 0 [pid 5085] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 0 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5073] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5083] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5082] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5076] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5073] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5074] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5076] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5073] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... mprotect resumed>) = 0 [pid 5074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5086]}, 88) = 5086 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5074] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5086 attached [pid 5086] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5086] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5086] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5073] <... mprotect resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5087]}, 88) = 5087 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5073] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5073] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5087 attached [pid 5087] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5087] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5077] <... futex resumed>) = 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5077] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5077] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5088]}, 88) = 5088 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5077] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5088 attached [pid 5088] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5088] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5078] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5078] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5089]}, 88) = 5089 [pid 5078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5078] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5074] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... futex resumed>) = 0 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5076] <... mprotect resumed>) = 0 [pid 5074] <... mmap resumed>) = 0x7fb64abfb000 [pid 5074] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5089 attached [], 8) = 0 [pid 5089] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5089] <... rseq resumed>) = 0 [pid 5073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] <... clone3 resumed> => {parent_tid=[5090]}, 88) = 5090 [pid 5073] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5074] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5091 attached [pid 5090] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5089] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] <... clone3 resumed> => {parent_tid=[5091]}, 88) = 5091 [pid 5074] <... futex resumed>) = 0 [pid 5090] <... rseq resumed>) = 0 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... mmap resumed>) = 0x7fb64abfb000 [pid 5091] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5090] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5077] <... futex resumed>) = 0 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... mmap resumed>) = 0x7fb64abfb000 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5090] ftruncate(-1, 33587195 [pid 5077] <... mprotect resumed>) = 0 [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5091] <... rseq resumed>) = 0 [pid 5090] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5074] <... futex resumed>) = 0 [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... mmap resumed>) = 0x7fb64abfb000 [pid 5077] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5076] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5091] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5090] sendfile(-1, -1, NULL, 281474978811909 [pid 5078] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... futex resumed>) = 0 [pid 5073] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5092 attached [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mprotect resumed>) = 0 [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5092] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 0 [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5092] <... rseq resumed>) = 0 [pid 5091] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5078] <... clone3 resumed> => {parent_tid=[5094]}, 88) = 5094 [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... clone3 resumed> => {parent_tid=[5093]}, 88) = 5093 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] ftruncate(-1, 33587195 [pid 5090] <... futex resumed>) = 1 [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... futex resumed>) = 0 [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5094 attached [pid 5092] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5094] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5093 attached [pid 5094] <... rseq resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5090] lseek(-1, 257, SEEK_SET [pid 5077] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5093] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... rseq resumed>) = 0 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] sendfile(-1, -1, NULL, 281474978811909 [pid 5090] <... futex resumed>) = 1 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5094] ftruncate(-1, 33587195 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 [pid 5094] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... futex resumed>) = 1 [pid 5090] getdents64(-1, [pid 5077] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 1 [pid 5093] ftruncate(-1, 33587195 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5090] <... futex resumed>) = 1 [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] sendfile(-1, -1, NULL, 281474978811909 [pid 5093] <... futex resumed>) = 1 [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5094] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... futex resumed>) = 1 [pid 5090] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5077] <... futex resumed>) = 0 [pid 5074] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... openat resumed>) = 5 [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 1 [pid 5093] sendfile(-1, -1, NULL, 281474978811909 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] lseek(-1, 257, SEEK_SET [pid 5090] <... futex resumed>) = 1 [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... futex resumed>) = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5093] <... futex resumed>) = 1 [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 0 [pid 5094] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5093] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 1 [pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5092] getdents64(-1, [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5078] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] lseek(-1, 257, SEEK_SET [pid 5093] <... futex resumed>) = 0 [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] lseek(-1, 257, SEEK_SET [pid 5092] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... futex resumed>) = 1 [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... futex resumed>) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... futex resumed>) = 0 [pid 5092] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] getdents64(-1, [pid 5092] <... openat resumed>) = 5 [pid 5078] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5094] getdents64(-1, [pid 5093] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5092] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5092] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 1 [pid 5093] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5078] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... openat resumed>) = 5 [pid 5078] <... futex resumed>) = 0 [pid 5073] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5093] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5094] <... openat resumed>) = 5 [pid 5093] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... futex resumed>) = 1 [pid 5078] <... futex resumed>) = 0 [pid 5094] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5076] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5095]}, 88) = 5095 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5095 attached [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5095] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5095] sendfile(-1, -1, NULL, 281474978811909 [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5095] lseek(-1, 257, SEEK_SET [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5095] getdents64(-1, [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... futex resumed>) = 0 [pid 5095] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5076] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... openat resumed>) = 5 [pid 5095] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] <... futex resumed>) = 0 [pid 5095] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] exit_group(0 [pid 5085] <... futex resumed>) = ? [pid 5072] <... exit_group resumed>) = ? [pid 5085] +++ exited with 0 +++ [pid 5075] <... open resumed>) = ? [pid 5075] +++ exited with 0 +++ [ 73.450871][ T27] audit: type=1800 audit(1689650703.414:2): pid=5075 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5074] exit_group(0 [pid 5090] <... futex resumed>) = ? [pid 5074] <... exit_group resumed>) = ? [pid 5090] +++ exited with 0 +++ [pid 5077] exit_group(0 [pid 5092] <... futex resumed>) = ? [pid 5077] <... exit_group resumed>) = ? [pid 5092] +++ exited with 0 +++ [pid 5078] exit_group(0 [pid 5094] <... futex resumed>) = ? [pid 5078] <... exit_group resumed>) = ? [pid 5094] +++ exited with 0 +++ [pid 5073] exit_group(0) = ? [pid 5093] <... futex resumed>) = ? [pid 5093] +++ exited with 0 +++ [pid 5084] <... open resumed>) = ? [pid 5079] <... open resumed>) = ? [pid 5084] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5072] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5019] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5096 [pid 5080] <... open resumed>) = ? [pid 5080] +++ exited with 0 +++ ./strace-static-x86_64: Process 5096 attached [pid 5082] <... open resumed>) = ? [pid 5081] <... open resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5096] set_robust_list(0x5555556096a0, 24 [pid 5081] +++ exited with 0 +++ [pid 5096] <... set_robust_list resumed>) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [ 73.558278][ T27] audit: type=1800 audit(1689650703.524:3): pid=5079 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [ 73.578046][ T27] audit: type=1800 audit(1689650703.524:4): pid=5084 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5076] exit_group(0) = ? [pid 5083] <... open resumed>) = ? [pid 5083] +++ exited with 0 +++ [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... futex resumed>) = ? [pid 5087] <... open resumed>) = ? [pid 5086] <... open resumed>) = ? [pid 5096] <... openat resumed>) = 3 [pid 5095] +++ exited with 0 +++ [pid 5088] <... open resumed>) = ? [pid 5088] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5073] +++ exited with 0 +++ [pid 5089] <... open resumed>) = ? [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5091] <... open resumed>) = ? [pid 5096] write(3, "1000", 4 [pid 5091] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ [pid 5078] +++ exited with 0 +++ [pid 5076] +++ exited with 0 +++ [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5096] <... write resumed>) = 4 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... restart_syscall resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5025] <... ioctl resumed>) = 0 [pid 5021] <... restart_syscall resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [ 73.603353][ T27] audit: type=1800 audit(1689650703.544:5): pid=5080 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [ 73.623697][ T27] audit: type=1800 audit(1689650703.544:6): pid=5081 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5096] close(3 [pid 5021] <... openat resumed>) = 3 [pid 5020] <... openat resumed>) = 3 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5097 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5021] <... ioctl resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5021] close(3 [pid 5020] close(3 [pid 5021] <... close resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5098 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5099 ./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x5555556096a0, 24) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5097 attached ) = 0 [pid 5097] set_robust_list(0x5555556096a0, 24 [pid 5096] <... close resumed>) = 0 [pid 5098] setpgid(0, 0 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5098] <... setpgid resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... futex resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5022] <... openat resumed>) = 3 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] <... prctl resumed>) = 0 [pid 5096] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5098] <... openat resumed>) = 3 [pid 5097] setpgid(0, 0 [pid 5096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5022] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5099 attached [pid 5098] write(3, "1000", 4 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5027] close(3 [pid 5022] close(3 [pid 5099] set_robust_list(0x5555556096a0, 24 [pid 5098] <... write resumed>) = 4 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] <... close resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] close(3 [pid 5097] <... openat resumed>) = 3 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... close resumed>) = 0 [pid 5097] write(3, "1000", 4 [pid 5096] <... mmap resumed>) = 0x7fb652e3d000 [pid 5098] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... write resumed>) = 4 ./strace-static-x86_64: Process 5100 attached [ 73.652209][ T27] audit: type=1800 audit(1689650703.554:7): pid=5082 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [ 73.671677][ T27] audit: type=1800 audit(1689650703.584:8): pid=5083 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5099] <... prctl resumed>) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5097] close(3 [pid 5096] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5100 [pid 5098] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5097] <... close resumed>) = 0 [pid 5098] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5097] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5097] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5101 attached [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5101] set_robust_list(0x5555556096a0, 24 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5098] <... mmap resumed>) = 0x7fb652e3d000 [pid 5097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... prctl resumed>) = 0 [pid 5098] <... mprotect resumed>) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] setpgid(0, 0 [pid 5099] setpgid(0, 0 [pid 5098] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5097] <... mmap resumed>) = 0x7fb652e3d000 [pid 5096] <... mprotect resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] set_robust_list(0x5555556096a0, 24 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5097] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5101 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5097] <... mprotect resumed>) = 0 [pid 5101] <... openat resumed>) = 3 [pid 5097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5101] write(3, "1000", 4 [pid 5098] <... clone3 resumed> => {parent_tid=[5102]}, 88) = 5102 [pid 5097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5101] <... write resumed>) = 4 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5101] close(3 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... close resumed>) = 0 [pid 5098] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103 [pid 5101] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5102 attached [pid 5101] <... futex resumed>) = 0 [pid 5098] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5101] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5097] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5103 attached [pid 5102] <... rseq resumed>) = 0 [pid 5101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] <... futex resumed>) = 0 [pid 5102] set_robust_list(0x7fb652e5d9a0, 24 [pid 5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5097] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5102] <... set_robust_list resumed>) = 0 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 73.713851][ T27] audit: type=1800 audit(1689650703.584:9): pid=5086 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [ 73.735263][ T27] audit: type=1800 audit(1689650703.584:10): pid=5087 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5101] <... mmap resumed>) = 0x7fb652e3d000 [pid 5102] memfd_create("syzkaller", 0 [pid 5101] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5102] <... memfd_create resumed>) = 3 [pid 5101] <... mprotect resumed>) = 0 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5102] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5103] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5103] <... rseq resumed>) = 0 [pid 5101] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5100] <... prctl resumed>) = 0 [pid 5099] write(3, "1000", 4 [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0}./strace-static-x86_64: Process 5104 attached [pid 5103] set_robust_list(0x7fb652e5d9a0, 24 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] setpgid(0, 0 [pid 5099] <... write resumed>) = 4 [pid 5104] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] close(3 [pid 5096] <... clone3 resumed> => {parent_tid=[5105]}, 88) = 5105 [pid 5104] <... rseq resumed>) = 0 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5101] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... close resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] set_robust_list(0x7fb652e5d9a0, 24 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... openat resumed>) = 3 [pid 5099] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] memfd_create("syzkaller", 0 [pid 5101] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5100] write(3, "1000", 4 [pid 5099] <... futex resumed>) = 0 [pid 5096] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] <... memfd_create resumed>) = 3 [pid 5100] <... write resumed>) = 4 [pid 5099] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5096] <... futex resumed>) = 0 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5100] close(3 [pid 5099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5096] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5104] memfd_create("syzkaller", 0 [pid 5103] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5100] <... close resumed>) = 0 [pid 5099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5104] <... memfd_create resumed>) = 3 [pid 5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5100] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5100] <... futex resumed>) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5099] <... mmap resumed>) = 0x7fb652e3d000 [pid 5100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5099] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5099] <... mprotect resumed>) = 0 [ 73.756523][ T27] audit: type=1800 audit(1689650703.614:11): pid=5088 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] <... mmap resumed>) = 0x7fb652e3d000 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5100] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5105 attached [pid 5104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5100] <... mprotect resumed>) = 0 [pid 5099] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106 [pid 5105] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] <... rseq resumed>) = 0 [pid 5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5106 attached [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5099] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5105] set_robust_list(0x7fb652e5d9a0, 24 [pid 5099] <... futex resumed>) = 0 [pid 5106] <... rseq resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5100] <... clone3 resumed> => {parent_tid=[5107]}, 88) = 5107 [pid 5099] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5106] set_robust_list(0x7fb652e5d9a0, 24 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] memfd_create("syzkaller", 0 [pid 5100] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5107 attached [pid 5106] memfd_create("syzkaller", 0 [pid 5100] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5107] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5106] <... memfd_create resumed>) = 3 [pid 5105] <... memfd_create resumed>) = 3 [pid 5107] <... rseq resumed>) = 0 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5106] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5107] set_robust_list(0x7fb652e5d9a0, 24 [pid 5105] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5102] <... write resumed>) = 2097152 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5102] munmap(0x7fb64aa3d000, 2097152 [pid 5107] memfd_create("syzkaller", 0) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5102] <... munmap resumed>) = 0 [pid 5106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5102] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5102] ioctl(4, LOOP_SET_FD, 3 [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"..., 2097152 [pid 5102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [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"..., 2097152 [pid 5104] <... write resumed>) = 2097152 [pid 5102] ioctl(4, LOOP_CLR_FD) = 0 [pid 5103] <... write resumed>) = 2097152 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5102] close(4) = 0 [pid 5102] close(3 [pid 5103] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5104] munmap(0x7fb64aa3d000, 2097152 [pid 5103] ioctl(4, LOOP_SET_FD, 3 [pid 5104] <... munmap resumed>) = 0 [pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5103] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5103] ioctl(4, LOOP_SET_FD, 3 [pid 5104] ioctl(4, LOOP_CLR_FD [pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5104] <... ioctl resumed>) = 0 [pid 5103] close(4) = 0 [pid 5103] close(3 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5104] close(4) = 0 [pid 5104] close(3 [pid 5102] <... close resumed>) = 0 [pid 5102] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5102] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5098] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5103] <... close resumed>) = 0 [pid 5098] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... write resumed>) = 2097152 [pid 5104] <... close resumed>) = 0 [pid 5106] munmap(0x7fb64aa3d000, 2097152 [pid 5103] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5106] <... munmap resumed>) = 0 [pid 5103] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5097] <... futex resumed>) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5097] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... openat resumed>) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] ioctl(4, LOOP_CLR_FD [pid 5104] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... ioctl resumed>) = 0 [pid 5104] <... futex resumed>) = 1 [pid 5104] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] close(4) = 0 [pid 5106] close(3) = 0 [pid 5105] <... write resumed>) = 2097152 [pid 5106] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 0 [pid 5099] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... write resumed>) = 2097152 [pid 5106] <... futex resumed>) = 1 [pid 5107] munmap(0x7fb64aa3d000, 2097152 [pid 5105] munmap(0x7fb64aa3d000, 2097152 [pid 5106] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5107] <... munmap resumed>) = 0 [pid 5098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5098] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5108]}, 88) = 5108 ./strace-static-x86_64: Process 5108 attached [pid 5107] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5105] <... munmap resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5107] <... openat resumed>) = 4 [pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] <... rseq resumed>) = 0 [pid 5107] ioctl(4, LOOP_SET_FD, 3 [pid 5108] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5105] <... openat resumed>) = 4 [pid 5101] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5107] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5098] <... futex resumed>) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5107] ioctl(4, LOOP_CLR_FD [pid 5105] ioctl(4, LOOP_SET_FD, 3 [pid 5107] <... ioctl resumed>) = 0 [pid 5098] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5105] ioctl(4, LOOP_CLR_FD [pid 5097] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5108] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5105] <... ioctl resumed>) = 0 [pid 5101] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5097] <... mprotect resumed>) = 0 [pid 5101] <... mprotect resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5107] ioctl(4, LOOP_SET_FD, 3 [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5107] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5107] close(4 [pid 5105] ioctl(4, LOOP_SET_FD, 3 [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5107] <... close resumed>) = 0 [pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5097] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109 [pid 5107] close(3 [pid 5105] close(4 [pid 5101] <... clone3 resumed> => {parent_tid=[5110]}, 88) = 5110 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] <... close resumed>) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5109 attached [pid 5105] close(3 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5099] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... rseq resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5109] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5099] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] <... mprotect resumed>) = 0 [pid 5109] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5111]}, 88) = 5111 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5110 attached [pid 5110] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 5111 attached [pid 5110] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5107] <... close resumed>) = 0 [pid 5105] <... close resumed>) = 0 [pid 5111] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5105] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5111] <... rseq resumed>) = 0 [pid 5111] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5111] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 1 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5096] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5105] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5098] <... futex resumed>) = 0 [pid 5110] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5107] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5100] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5098] <... mmap resumed>) = 0x7fb64abfb000 [pid 5096] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5112]}, 88) = 5112 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5112 attached [pid 5112] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5112] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5112] sendfile(-1, -1, NULL, 281474978811909 [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5098] <... futex resumed>) = 0 [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5099] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5112] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5101] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... clone3 resumed> => {parent_tid=[5113]}, 88) = 5113 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... mmap resumed>) = 0x7fb64abfb000 ./strace-static-x86_64: Process 5113 attached [pid 5112] lseek(-1, 257, SEEK_SET [pid 5101] <... mmap resumed>) = 0x7fb64abfb000 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] <... futex resumed>) = 0 [pid 5097] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5112] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5100] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... mprotect resumed>) = 0 [pid 5113] <... rseq resumed>) = 0 [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... mprotect resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... futex resumed>) = 0 [pid 5097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5113] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5112] <... futex resumed>) = 0 [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5100] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] getdents64(-1, [pid 5097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5096] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5098] <... futex resumed>) = 0 [pid 5097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5096] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5100] <... mprotect resumed>) = 0 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5114 attached [pid 5113] ftruncate(-1, 33587195 [pid 5112] <... futex resumed>) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... clone3 resumed> => {parent_tid=[5114]}, 88) = 5114 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5115 attached [pid 5114] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5113] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... clone3 resumed> => {parent_tid=[5115]}, 88) = 5115 [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5098] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5114] <... rseq resumed>) = 0 [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5098] <... futex resumed>) = 0 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5115] <... rseq resumed>) = 0 [pid 5114] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5113] <... futex resumed>) = 1 [pid 5112] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5098] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5117 attached [pid 5115] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] <... openat resumed>) = 5 [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5117] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... clone3 resumed> => {parent_tid=[5117]}, 88) = 5117 [pid 5117] <... rseq resumed>) = 0 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] sendfile(-1, -1, NULL, 281474978811909 [pid 5112] <... futex resumed>) = 1 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5116 attached [pid 5117] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] ftruncate(-1, 33587195 [pid 5113] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5112] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5115] ftruncate(-1, 33587195 [pid 5114] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5096] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5116] <... rseq resumed>) = 0 [pid 5115] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5100] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5116] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5096] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] sendfile(-1, -1, NULL, 281474978811909 [pid 5113] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5115] sendfile(-1, -1, NULL, 281474978811909 [pid 5114] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5099] <... futex resumed>) = 0 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] lseek(-1, 257, SEEK_SET [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5113] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5114] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5099] <... futex resumed>) = 0 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] getdents64(-1, [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] lseek(-1, 257, SEEK_SET [pid 5113] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5101] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] lseek(-1, 257, SEEK_SET [pid 5114] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5099] <... futex resumed>) = 0 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5099] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = 0 [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5099] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] getdents64(-1, [pid 5113] <... openat resumed>) = 5 [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] getdents64(-1, [pid 5114] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5113] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5115] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] <... futex resumed>) = 0 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] <... mmap resumed>) = 0x7fb64abfb000 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5100] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5097] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5101] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... mprotect resumed>) = 0 [pid 5097] <... futex resumed>) = 0 [pid 5096] <... mmap resumed>) = 0x7fb64abfb000 [pid 5115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5101] <... futex resumed>) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5097] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5115] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5114] <... openat resumed>) = 5 [pid 5101] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] <... openat resumed>) = 5 [pid 5114] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5096] <... mprotect resumed>) = 0 [pid 5115] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] <... futex resumed>) = 1 [pid 5114] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] <... futex resumed>) = 0 [pid 5100] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0}./strace-static-x86_64: Process 5118 attached [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5119 attached [pid 5118] <... rseq resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5096] <... clone3 resumed> => {parent_tid=[5119]}, 88) = 5119 [pid 5119] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5118] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... rseq resumed>) = 0 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] ftruncate(-1, 33587195 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5119] ftruncate(-1, 33587195 [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] sendfile(-1, -1, NULL, 281474978811909 [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... futex resumed>) = 0 [pid 5119] sendfile(-1, -1, NULL, 281474978811909 [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5096] <... futex resumed>) = 0 [pid 5119] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] lseek(-1, 257, SEEK_SET [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5096] <... futex resumed>) = 0 [pid 5119] lseek(-1, 257, SEEK_SET [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] getdents64(-1, [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5096] <... futex resumed>) = 0 [pid 5119] getdents64(-1, [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5100] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... openat resumed>) = 5 [pid 5096] <... futex resumed>) = 0 [pid 5119] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5118] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... openat resumed>) = 5 [pid 5118] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5119] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] exit_group(0 [pid 5112] <... futex resumed>) = ? [pid 5098] <... exit_group resumed>) = ? [pid 5112] +++ exited with 0 +++ [pid 5102] <... open resumed>) = ? [pid 5102] +++ exited with 0 +++ [pid 5099] exit_group(0 [pid 5113] <... futex resumed>) = ? [pid 5099] <... exit_group resumed>) = ? [pid 5113] +++ exited with 0 +++ [pid 5101] exit_group(0 [pid 5115] <... futex resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5115] +++ exited with 0 +++ [pid 5097] exit_group(0 [pid 5114] <... futex resumed>) = ? [pid 5097] <... exit_group resumed>) = ? [pid 5114] +++ exited with 0 +++ [pid 5111] <... open resumed>) = ? [pid 5109] <... open resumed>) = ? [pid 5108] <... open resumed>) = ? [pid 5106] <... open resumed>) = ? [pid 5104] <... open resumed>) = ? [pid 5103] <... open resumed>) = ? [pid 5111] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5100] exit_group(0 [pid 5118] <... futex resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ [pid 5096] exit_group(0 [pid 5119] <... futex resumed>) = ? [pid 5105] <... open resumed>) = ? [pid 5096] <... exit_group resumed>) = ? [pid 5119] +++ exited with 0 +++ [pid 5117] <... open resumed>) = ? [pid 5116] <... open resumed>) = ? [pid 5110] <... open resumed>) = ? [pid 5107] <... open resumed>) = ? [pid 5108] +++ exited with 0 +++ [pid 5106] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5099] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5110] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5096] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5020] <... openat resumed>) = 3 [pid 5025] <... openat resumed>) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5022] <... restart_syscall resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] <... ioctl resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... ioctl resumed>) = 0 [pid 5020] close(3 [pid 5021] <... openat resumed>) = 3 [pid 5025] close(3 [pid 5020] <... close resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5025] <... close resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5120 [pid 5027] <... openat resumed>) = 3 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5121 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5021] close(3 [pid 5019] close(3 [pid 5027] <... ioctl resumed>) = 0 [pid 5022] close(3 [pid 5021] <... close resumed>) = 0 [pid 5027] close(3 [pid 5022] <... close resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] <... close resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x5555556096a0, 24) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5123 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5122 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5124 [pid 5120] <... write resumed>) = 4 [pid 5120] close(3) = 0 [pid 5120] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5125 attached ./strace-static-x86_64: Process 5124 attached ./strace-static-x86_64: Process 5123 attached ./strace-static-x86_64: Process 5122 attached ./strace-static-x86_64: Process 5121 attached [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5125 [pid 5125] set_robust_list(0x5555556096a0, 24 [pid 5124] set_robust_list(0x5555556096a0, 24 [pid 5123] set_robust_list(0x5555556096a0, 24 [pid 5122] set_robust_list(0x5555556096a0, 24 [pid 5121] set_robust_list(0x5555556096a0, 24 [pid 5120] <... futex resumed>) = 0 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5125] <... prctl resumed>) = 0 [pid 5124] <... prctl resumed>) = 0 [pid 5123] <... prctl resumed>) = 0 [pid 5122] <... prctl resumed>) = 0 [pid 5121] <... prctl resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5125] setpgid(0, 0 [pid 5124] setpgid(0, 0 [pid 5123] setpgid(0, 0 [pid 5122] setpgid(0, 0 [pid 5121] setpgid(0, 0 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] <... setpgid resumed>) = 0 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... setpgid resumed>) = 0 [pid 5122] <... setpgid resumed>) = 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... mmap resumed>) = 0x7fb652e3d000 [pid 5125] <... openat resumed>) = 3 [pid 5124] <... openat resumed>) = 3 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... openat resumed>) = 3 [pid 5120] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5125] write(3, "1000", 4 [pid 5124] write(3, "1000", 4 [pid 5123] write(3, "1000", 4 [pid 5122] write(3, "1000", 4 [pid 5121] <... openat resumed>) = 3 [pid 5120] <... mprotect resumed>) = 0 [pid 5125] <... write resumed>) = 4 [pid 5124] <... write resumed>) = 4 [pid 5123] <... write resumed>) = 4 [pid 5122] <... write resumed>) = 4 [pid 5121] write(3, "1000", 4 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5125] close(3 [pid 5124] close(3 [pid 5123] close(3 [pid 5122] close(3 [pid 5121] <... write resumed>) = 4 [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] <... close resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5123] <... close resumed>) = 0 [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5122] <... close resumed>) = 0 [pid 5121] close(3 [pid 5125] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... close resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5121] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... clone3 resumed> => {parent_tid=[5126]}, 88) = 5126 [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5124] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5123] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5122] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5121] <... futex resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5121] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5120] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5120] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5126 attached [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5126] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5125] <... mmap resumed>) = 0x7fb652e3d000 [pid 5124] <... mmap resumed>) = 0x7fb652e3d000 [pid 5123] <... mmap resumed>) = 0x7fb652e3d000 [pid 5126] <... rseq resumed>) = 0 [pid 5126] set_robust_list(0x7fb652e5d9a0, 24 [pid 5122] <... mmap resumed>) = 0x7fb652e3d000 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5126] <... set_robust_list resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x7fb652e3d000 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5122] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5124] <... mprotect resumed>) = 0 [pid 5121] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... mprotect resumed>) = 0 [pid 5126] memfd_create("syzkaller", 0 [pid 5122] <... mprotect resumed>) = 0 [pid 5125] <... mprotect resumed>) = 0 [pid 5126] <... memfd_create resumed>) = 3 [pid 5121] <... mprotect resumed>) = 0 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5126] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5124] <... clone3 resumed> => {parent_tid=[5127]}, 88) = 5127 [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5124] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... clone3 resumed> => {parent_tid=[5129]}, 88) = 5129 [pid 5121] <... clone3 resumed> => {parent_tid=[5128]}, 88) = 5128 [pid 5122] <... clone3 resumed> => {parent_tid=[5130]}, 88) = 5130 [pid 5125] <... clone3 resumed> => {parent_tid=[5131]}, 88) = 5131 [pid 5124] <... futex resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5130 attached ./strace-static-x86_64: Process 5127 attached [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5124] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5127] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... rseq resumed>) = 0 [pid 5127] <... rseq resumed>) = 0 [pid 5125] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5130] set_robust_list(0x7fb652e5d9a0, 24 [pid 5127] set_robust_list(0x7fb652e5d9a0, 24 [pid 5125] <... futex resumed>) = 0 [pid 5123] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5122] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] <... set_robust_list resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5125] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5131 attached ./strace-static-x86_64: Process 5129 attached ./strace-static-x86_64: Process 5128 attached [pid 5130] memfd_create("syzkaller", 0 [pid 5127] memfd_create("syzkaller", 0 [pid 5131] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5130] <... memfd_create resumed>) = 3 [pid 5129] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5128] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5127] <... memfd_create resumed>) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5131] <... rseq resumed>) = 0 [pid 5130] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5129] <... rseq resumed>) = 0 [pid 5128] <... rseq resumed>) = 0 [pid 5127] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5131] set_robust_list(0x7fb652e5d9a0, 24 [pid 5129] set_robust_list(0x7fb652e5d9a0, 24 [pid 5128] set_robust_list(0x7fb652e5d9a0, 24 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] memfd_create("syzkaller", 0 [pid 5131] memfd_create("syzkaller", 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"..., 2097152 [pid 5129] <... memfd_create resumed>) = 3 [pid 5128] memfd_create("syzkaller", 0 [pid 5131] <... memfd_create resumed>) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5128] <... memfd_create resumed>) = 3 [pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5129] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5131] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5128] <... mmap resumed>) = 0x7fb64aa3d000 [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"..., 2097152 [pid 5131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5126] <... write resumed>) = 2097152 [pid 5126] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] close(4) = 0 [pid 5126] close(3 [pid 5130] <... write resumed>) = 2097152 [pid 5127] <... write resumed>) = 2097152 [pid 5130] munmap(0x7fb64aa3d000, 2097152 [pid 5127] munmap(0x7fb64aa3d000, 2097152 [pid 5130] <... munmap resumed>) = 0 [pid 5127] <... munmap resumed>) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5130] ioctl(4, LOOP_SET_FD, 3 [pid 5127] <... openat resumed>) = 4 [pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5127] ioctl(4, LOOP_SET_FD, 3 [pid 5126] <... close resumed>) = 0 [pid 5130] ioctl(4, LOOP_CLR_FD [pid 5127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5130] <... ioctl resumed>) = 0 [pid 5127] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5130] ioctl(4, LOOP_SET_FD, 3 [pid 5127] ioctl(4, LOOP_SET_FD, 3 [pid 5126] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5120] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5129] <... write resumed>) = 2097152 [pid 5127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] <... futex resumed>) = 0 [pid 5130] close(4 [pid 5127] close(4 [pid 5120] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... close resumed>) = 0 [pid 5127] <... close resumed>) = 0 [pid 5130] close(3 [pid 5127] close(3 [pid 5131] <... write resumed>) = 2097152 [pid 5129] munmap(0x7fb64aa3d000, 2097152 [pid 5128] <... write resumed>) = 2097152 [pid 5131] munmap(0x7fb64aa3d000, 2097152 [pid 5129] <... munmap resumed>) = 0 [pid 5128] munmap(0x7fb64aa3d000, 2097152 [pid 5131] <... munmap resumed>) = 0 [pid 5130] <... close resumed>) = 0 [pid 5128] <... munmap resumed>) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5131] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5128] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5129] <... openat resumed>) = 4 [pid 5131] <... openat resumed>) = 4 [pid 5130] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5129] ioctl(4, LOOP_SET_FD, 3 [pid 5128] <... openat resumed>) = 4 [pid 5127] <... close resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5131] ioctl(4, LOOP_SET_FD, 3 [pid 5130] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5129] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5128] ioctl(4, LOOP_SET_FD, 3 [pid 5127] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5127] <... futex resumed>) = 1 [pid 5128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5124] <... futex resumed>) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5129] ioctl(4, LOOP_CLR_FD [pid 5131] ioctl(4, LOOP_CLR_FD [pid 5128] ioctl(4, LOOP_CLR_FD [pid 5127] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5124] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] <... ioctl resumed>) = 0 [pid 5129] <... ioctl resumed>) = 0 [pid 5128] <... ioctl resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5120] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5120] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5131] ioctl(4, LOOP_SET_FD, 3 [pid 5129] ioctl(4, LOOP_SET_FD, 3 [pid 5128] ioctl(4, LOOP_SET_FD, 3 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5131] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5129] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5131] close(4 [pid 5129] close(4 [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5131] <... close resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5128] close(4 [pid 5120] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5131] close(3 [pid 5129] close(3 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... close resumed>) = 0 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5132 attached [pid 5132] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5132] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5132] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5128] close(3) = 0 [pid 5129] <... close resumed>) = 0 [pid 5131] <... close resumed>) = 0 [pid 5129] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5122] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5124] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5121] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5129] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] <... futex resumed>) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5121] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5122] <... mprotect resumed>) = 0 [pid 5131] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... futex resumed>) = 0 [pid 5122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5121] <... futex resumed>) = 0 [pid 5120] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5128] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5125] <... futex resumed>) = 0 [pid 5124] <... mprotect resumed>) = 0 [pid 5122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5120] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5125] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5121] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5122] <... clone3 resumed> => {parent_tid=[5133]}, 88) = 5133 [pid 5120] <... mmap resumed>) = 0x7fb64abfb000 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5124] <... clone3 resumed> => {parent_tid=[5134]}, 88) = 5134 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] <... mprotect resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5133 attached [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5133] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5124] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0}./strace-static-x86_64: Process 5134 attached [pid 5133] <... rseq resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5134] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5133] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5124] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] <... rseq resumed>) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5133] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5120] <... futex resumed>) = 0 [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5135 attached [pid 5134] <... set_robust_list resumed>) = 0 [pid 5135] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5135] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] ftruncate(-1, 33587195 [pid 5134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5135] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] <... futex resumed>) = 0 [pid 5135] sendfile(-1, -1, NULL, 281474978811909 [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] <... futex resumed>) = 0 [pid 5135] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] <... futex resumed>) = 0 [pid 5135] lseek(-1, 257, SEEK_SET [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = 1 [pid 5120] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] <... futex resumed>) = 0 [pid 5135] getdents64(-1, [pid 5122] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5125] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5122] <... futex resumed>) = 0 [pid 5121] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5135] <... futex resumed>) = 1 [pid 5125] <... mprotect resumed>) = 0 [pid 5124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5123] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5120] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... mmap resumed>) = 0x7fb64abfb000 [pid 5120] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5122] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5120] <... futex resumed>) = 0 [pid 5135] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5123] <... mprotect resumed>) = 0 [pid 5122] <... mprotect resumed>) = 0 [pid 5121] <... mprotect resumed>) = 0 [pid 5120] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... openat resumed>) = 5 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5124] <... mmap resumed>) = 0x7fb64abfb000 [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5135] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5135] <... futex resumed>) = 1 [pid 5125] <... clone3 resumed> => {parent_tid=[5136]}, 88) = 5136 [pid 5124] <... mprotect resumed>) = 0 [pid 5122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5120] <... futex resumed>) = 0 [pid 5135] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5122] <... clone3 resumed> => {parent_tid=[5137]}, 88) = 5137 [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5136 attached [pid 5125] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5123] <... clone3 resumed> => {parent_tid=[5138]}, 88) = 5138 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5125] <... futex resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] <... clone3 resumed> => {parent_tid=[5139]}, 88) = 5139 [pid 5136] <... rseq resumed>) = 0 [pid 5125] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... clone3 resumed> => {parent_tid=[5140]}, 88) = 5140 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5140 attached ./strace-static-x86_64: Process 5138 attached [pid 5136] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = 0 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5138] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5139 attached ./strace-static-x86_64: Process 5137 attached [pid 5140] <... rseq resumed>) = 0 [pid 5138] <... rseq resumed>) = 0 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5138] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5137] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5136] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] <... rseq resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] <... rseq resumed>) = 0 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5140] ftruncate(-1, 33587195 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5140] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5139] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5137] ftruncate(-1, 33587195 [pid 5124] <... futex resumed>) = 0 [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5140] sendfile(-1, -1, NULL, 281474978811909 [pid 5137] <... futex resumed>) = 1 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 0 [pid 5140] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5137] sendfile(-1, -1, NULL, 281474978811909 [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5140] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5137] <... futex resumed>) = 1 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 0 [pid 5140] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5137] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5140] lseek(-1, 257, SEEK_SET [pid 5137] <... futex resumed>) = 1 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 0 [pid 5140] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5137] lseek(-1, 257, SEEK_SET [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5140] getdents64(-1, [pid 5137] <... futex resumed>) = 1 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 0 [pid 5140] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5137] getdents64(-1, [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5124] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5140] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5137] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5124] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 0 [pid 5140] <... openat resumed>) = 5 [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... mmap resumed>) = 0x7fb64abfb000 [pid 5122] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5137] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5125] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5124] <... futex resumed>) = 0 [pid 5122] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... openat resumed>) = 5 [pid 5125] <... mprotect resumed>) = 0 [pid 5137] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5137] <... futex resumed>) = 1 [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5122] <... futex resumed>) = 0 [pid 5137] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5123] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5125] <... clone3 resumed> => {parent_tid=[5141]}, 88) = 5141 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5141 attached [pid 5125] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] <... futex resumed>) = 0 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] <... futex resumed>) = 0 [pid 5141] <... rseq resumed>) = 0 [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... mmap resumed>) = 0x7fb64abfb000 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5125] <... futex resumed>) = 0 [pid 5123] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5121] <... mmap resumed>) = 0x7fb64abfb000 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... mprotect resumed>) = 0 [pid 5121] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5121] <... mprotect resumed>) = 0 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5141] ftruncate(-1, 33587195 [pid 5123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5141] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... clone3 resumed> => {parent_tid=[5142]}, 88) = 5142 ./strace-static-x86_64: Process 5142 attached [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5142] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... rseq resumed>) = 0 [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5141] sendfile(-1, -1, NULL, 281474978811909 [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... futex resumed>) = 0 [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5143 attached [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... futex resumed>) = 0 [pid 5143] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... rseq resumed>) = 0 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5143] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5142] ftruncate(-1, 33587195 [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... futex resumed>) = 1 [pid 5141] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5123] <... futex resumed>) = 0 [pid 5143] ftruncate(-1, 33587195 [pid 5142] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] sendfile(-1, -1, NULL, 281474978811909 [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... futex resumed>) = 1 [pid 5142] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] lseek(-1, 257, SEEK_SET [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 1 [pid 5141] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] sendfile(-1, -1, NULL, 281474978811909 [pid 5142] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... futex resumed>) = 1 [pid 5142] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] getdents64(-1, [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 1 [pid 5141] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5142] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] lseek(-1, 257, SEEK_SET [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... futex resumed>) = 1 [pid 5142] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5125] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] lseek(-1, 257, SEEK_SET [pid 5142] getdents64(-1, [pid 5141] <... openat resumed>) = 5 [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5142] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5141] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 0 [pid 5141] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] getdents64(-1, [pid 5142] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5123] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5142] <... openat resumed>) = 5 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5143] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5121] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... openat resumed>) = 5 [pid 5143] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5143] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] exit_group(0 [pid 5135] <... futex resumed>) = ? [pid 5120] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5126] <... open resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5124] exit_group(0) = ? [pid 5140] <... futex resumed>) = ? [pid 5140] +++ exited with 0 +++ [pid 5122] exit_group(0) = ? [pid 5137] <... futex resumed>) = ? [pid 5137] +++ exited with 0 +++ [pid 5130] <... open resumed>) = ? [pid 5127] <... open resumed>) = ? [pid 5132] <... open resumed>) = ? [pid 5127] +++ exited with 0 +++ [pid 5130] +++ exited with 0 +++ [pid 5125] exit_group(0 [pid 5141] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5141] +++ exited with 0 +++ [pid 5123] exit_group(0 [pid 5142] <... futex resumed>) = ? [pid 5129] <... open resumed>) = ? [pid 5123] <... exit_group resumed>) = ? [pid 5142] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5121] exit_group(0 [pid 5143] <... futex resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5143] +++ exited with 0 +++ [pid 5133] <... open resumed>) = ? [pid 5131] <... open resumed>) = ? [pid 5128] <... open resumed>) = ? [pid 5138] <... open resumed>) = ? [pid 5136] <... open resumed>) = ? [pid 5134] <... open resumed>) = ? [pid 5139] <... open resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5136] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5128] +++ exited with 0 +++ [pid 5125] +++ exited with 0 +++ [pid 5124] +++ exited with 0 +++ [pid 5123] +++ exited with 0 +++ [pid 5122] +++ exited with 0 +++ [pid 5120] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=50 /* 0.50 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5027] <... restart_syscall resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5019] <... restart_syscall resumed>) = 0 [pid 5139] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5027] <... openat resumed>) = 3 [pid 5025] <... restart_syscall resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5020] <... openat resumed>) = 3 [pid 5019] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5027] <... ioctl resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5020] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5027] close(3 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] close(3 [pid 5019] close(3 [pid 5027] <... close resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5020] <... close resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... ioctl resumed>) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5144 [pid 5025] close(3 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5145 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5146 [pid 5025] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5147 ./strace-static-x86_64: Process 5147 attached [pid 5147] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5145 attached ./strace-static-x86_64: Process 5146 attached ./strace-static-x86_64: Process 5144 attached [pid 5022] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5145] set_robust_list(0x5555556096a0, 24 [pid 5022] close(3 [pid 5021] close(3 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... close resumed>) = 0 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0 [pid 5145] <... prctl resumed>) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5145] setpgid(0, 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] <... setpgid resumed>) = 0 [pid 5147] <... openat resumed>) = 3 [pid 5146] set_robust_list(0x5555556096a0, 24 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5148 [pid 5144] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5149 attached [pid 5147] write(3, "1000", 4 [pid 5145] <... openat resumed>) = 3 [pid 5147] <... write resumed>) = 4 [pid 5145] write(3, "1000", 4./strace-static-x86_64: Process 5148 attached [pid 5147] close(3 [pid 5145] <... write resumed>) = 4 [pid 5148] set_robust_list(0x5555556096a0, 24 [pid 5147] <... close resumed>) = 0 [pid 5145] close(3 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5147] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... close resumed>) = 0 [pid 5149] set_robust_list(0x5555556096a0, 24 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... set_robust_list resumed>) = 0 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5149 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] <... prctl resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] setpgid(0, 0 [pid 5147] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] <... futex resumed>) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] <... setpgid resumed>) = 0 [pid 5147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5145] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5148] write(3, "1000", 4 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... write resumed>) = 4 [pid 5147] <... mmap resumed>) = 0x7fb652e3d000 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5148] close(3 [pid 5147] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5145] <... mmap resumed>) = 0x7fb652e3d000 [pid 5148] <... close resumed>) = 0 [pid 5147] <... mprotect resumed>) = 0 [pid 5145] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5149] <... prctl resumed>) = 0 [pid 5148] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5146] <... prctl resumed>) = 0 [pid 5145] <... mprotect resumed>) = 0 [pid 5144] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5148] <... futex resumed>) = 0 [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] setpgid(0, 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5144] setpgid(0, 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5148] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5146] <... setpgid resumed>) = 0 [pid 5145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5144] <... setpgid resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5149] <... openat resumed>) = 3 [pid 5148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5147] <... clone3 resumed> => {parent_tid=[5150]}, 88) = 5150 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] write(3, "1000", 4 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] <... openat resumed>) = 3 [pid 5145] <... clone3 resumed> => {parent_tid=[5151]}, 88) = 5151 [pid 5149] <... write resumed>) = 4 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] write(3, "1000", 4 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] <... openat resumed>) = 3 [pid 5149] close(3 [pid 5148] <... mmap resumed>) = 0x7fb652e3d000 [pid 5147] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... write resumed>) = 4 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] write(3, "1000", 4./strace-static-x86_64: Process 5151 attached ./strace-static-x86_64: Process 5150 attached [pid 5149] <... close resumed>) = 0 [pid 5148] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5147] <... futex resumed>) = 0 [pid 5146] close(3 [pid 5145] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... write resumed>) = 4 [pid 5151] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5150] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5149] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... mprotect resumed>) = 0 [pid 5147] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5146] <... close resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5144] close(3 [pid 5151] <... rseq resumed>) = 0 [pid 5150] <... rseq resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5146] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5144] <... close resumed>) = 0 [pid 5151] set_robust_list(0x7fb652e5d9a0, 24 [pid 5150] set_robust_list(0x7fb652e5d9a0, 24 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5146] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5144] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5146] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... clone3 resumed> => {parent_tid=[5152]}, 88) = 5152 [pid 5146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5144] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5151] memfd_create("syzkaller", 0 [pid 5150] memfd_create("syzkaller", 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5151] <... memfd_create resumed>) = 3 [pid 5150] <... memfd_create resumed>) = 3 [pid 5149] <... mmap resumed>) = 0x7fb652e3d000 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5149] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5148] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5150] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5148] <... futex resumed>) = 0 [pid 5146] <... mmap resumed>) = 0x7fb652e3d000 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5152 attached [pid 5151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5149] <... mprotect resumed>) = 0 [pid 5148] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5146] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] <... rseq resumed>) = 0 [pid 5146] <... mprotect resumed>) = 0 [pid 5152] set_robust_list(0x7fb652e5d9a0, 24 [pid 5144] <... mmap resumed>) = 0x7fb652e3d000 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5144] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5144] <... mprotect resumed>) = 0 [pid 5152] memfd_create("syzkaller", 0) = 3 [pid 5149] <... clone3 resumed> => {parent_tid=[5153]}, 88) = 5153 [pid 5146] <... clone3 resumed> => {parent_tid=[5154]}, 88) = 5154 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5154 attached [pid 5152] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5153 attached [pid 5154] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5154] <... rseq resumed>) = 0 [pid 5154] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5149] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5149] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5155 attached [pid 5154] memfd_create("syzkaller", 0 [pid 5153] <... rseq resumed>) = 0 [pid 5149] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5154] <... memfd_create resumed>) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5155] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5153] set_robust_list(0x7fb652e5d9a0, 24 [pid 5146] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5144] <... clone3 resumed> => {parent_tid=[5155]}, 88) = 5155 [pid 5155] <... rseq resumed>) = 0 [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"..., 2097152 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5155] set_robust_list(0x7fb652e5d9a0, 24 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5155] <... set_robust_list resumed>) = 0 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5153] memfd_create("syzkaller", 0 [pid 5144] <... futex resumed>) = 0 [pid 5155] memfd_create("syzkaller", 0 [pid 5153] <... memfd_create resumed>) = 3 [pid 5144] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5155] <... memfd_create resumed>) = 3 [pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5153] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5155] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5150] <... write resumed>) = 2097152 [pid 5150] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] ioctl(4, LOOP_CLR_FD [pid 5151] <... write resumed>) = 2097152 [pid 5150] <... ioctl resumed>) = 0 [pid 5151] munmap(0x7fb64aa3d000, 2097152 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] close(4 [pid 5153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5150] <... close resumed>) = 0 [pid 5151] <... munmap resumed>) = 0 [pid 5150] close(3 [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"..., 2097152 [pid 5151] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5152] <... write resumed>) = 2097152 [pid 5151] <... openat resumed>) = 4 [pid 5152] munmap(0x7fb64aa3d000, 2097152 [pid 5151] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5151] ioctl(4, LOOP_CLR_FD) = 0 [pid 5152] <... munmap resumed>) = 0 [pid 5152] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5151] ioctl(4, LOOP_SET_FD, 3 [pid 5152] <... openat resumed>) = 4 [pid 5151] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5152] ioctl(4, LOOP_SET_FD, 3 [pid 5151] close(4 [pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5151] <... close resumed>) = 0 [pid 5152] ioctl(4, LOOP_CLR_FD [pid 5151] close(3 [pid 5152] <... ioctl resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5150] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5154] <... write resumed>) = 2097152 [pid 5150] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] ioctl(4, LOOP_SET_FD, 3 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5150] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5147] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... write resumed>) = 2097152 [pid 5153] <... write resumed>) = 2097152 [pid 5152] close(4 [pid 5155] munmap(0x7fb64aa3d000, 2097152 [pid 5154] munmap(0x7fb64aa3d000, 2097152 [pid 5153] munmap(0x7fb64aa3d000, 2097152 [pid 5152] <... close resumed>) = 0 [pid 5151] <... close resumed>) = 0 [pid 5154] <... munmap resumed>) = 0 [pid 5153] <... munmap resumed>) = 0 [pid 5152] close(3 [pid 5151] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5151] <... futex resumed>) = 1 [pid 5145] <... futex resumed>) = 0 [pid 5154] ioctl(4, LOOP_CLR_FD [pid 5153] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5151] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5145] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... ioctl resumed>) = 0 [pid 5153] <... openat resumed>) = 4 [pid 5145] <... futex resumed>) = 0 [pid 5155] <... munmap resumed>) = 0 [pid 5153] ioctl(4, LOOP_SET_FD, 3 [pid 5145] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5155] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5153] ioctl(4, LOOP_CLR_FD [pid 5155] <... openat resumed>) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5153] <... ioctl resumed>) = 0 [pid 5155] ioctl(4, LOOP_SET_FD, 3 [pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5154] close(4) = 0 [pid 5155] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] close(3 [pid 5153] ioctl(4, LOOP_SET_FD, 3 [pid 5152] <... close resumed>) = 0 [pid 5147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5147] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5155] ioctl(4, LOOP_SET_FD, 3 [pid 5153] close(4 [pid 5152] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5153] <... close resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5147] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5155] close(4 [pid 5153] close(3 [pid 5152] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5155] <... close resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5147] <... mprotect resumed>) = 0 [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5155] close(3 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5145] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5154] <... close resumed>) = 0 [pid 5147] <... clone3 resumed> => {parent_tid=[5156]}, 88) = 5156 [pid 5145] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5154] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] <... mprotect resumed>) = 0 [pid 5154] <... futex resumed>) = 1 [pid 5152] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5156 attached [pid 5155] <... close resumed>) = 0 [pid 5154] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... close resumed>) = 0 [pid 5147] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5156] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5157 attached [pid 5156] <... rseq resumed>) = 0 [pid 5155] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5153] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5147] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5156] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5155] <... futex resumed>) = 1 [pid 5153] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... clone3 resumed> => {parent_tid=[5157]}, 88) = 5157 [pid 5144] <... futex resumed>) = 0 [pid 5157] <... rseq resumed>) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5149] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5145] <... futex resumed>) = 0 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5155] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5145] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5157] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5148] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5158]}, 88) = 5158 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5148] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5158 attached ) = 0 [pid 5158] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5148] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] <... rseq resumed>) = 0 [pid 5158] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5158] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5147] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] <... mmap resumed>) = 0x7fb64abfb000 [pid 5146] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5147] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5146] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5147] <... mprotect resumed>) = 0 [pid 5146] <... mprotect resumed>) = 0 [pid 5147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5149] <... futex resumed>) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] <... clone3 resumed> => {parent_tid=[5159]}, 88) = 5159 [pid 5146] <... clone3 resumed> => {parent_tid=[5160]}, 88) = 5160 [pid 5149] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5159 attached [pid 5149] <... mprotect resumed>) = 0 [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5160 attached [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5160] <... rseq resumed>) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5160] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5145] <... mmap resumed>) = 0x7fb64abfb000 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5146] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] <... rseq resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5145] <... mprotect resumed>) = 0 [pid 5144] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5146] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5144] <... futex resumed>) = 0 [pid 5160] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5159] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] <... clone3 resumed> => {parent_tid=[5161]}, 88) = 5161 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5144] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5161 attached [pid 5159] ftruncate(-1, 33587195 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... clone3 resumed> => {parent_tid=[5162]}, 88) = 5162 [pid 5144] <... mprotect resumed>) = 0 [pid 5161] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5159] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5162 attached [pid 5161] <... rseq resumed>) = 0 [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5148] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5161] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5159] <... futex resumed>) = 1 [pid 5149] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5162] <... rseq resumed>) = 0 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5162] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... mmap resumed>) = 0x7fb64abfb000 [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... clone3 resumed> => {parent_tid=[5163]}, 88) = 5163 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] sendfile(-1, -1, NULL, 281474978811909 [pid 5148] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5159] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] <... mprotect resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5163 attached [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5144] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5162] ftruncate(-1, 33587195 [pid 5159] <... futex resumed>) = 1 [pid 5148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5163] <... rseq resumed>) = 0 [pid 5162] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5159] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5148] <... clone3 resumed> => {parent_tid=[5164]}, 88) = 5164 [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5164 attached [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5164] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5163] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5162] sendfile(-1, -1, NULL, 281474978811909 [pid 5159] <... futex resumed>) = 1 [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... rseq resumed>) = 0 [pid 5162] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5164] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5159] lseek(-1, 257, SEEK_SET [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... mmap resumed>) = 0x7fb64abfb000 [pid 5145] <... futex resumed>) = 0 [pid 5164] ftruncate(-1, 33587195 [pid 5162] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5159] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5146] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... mprotect resumed>) = 0 [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5147] <... futex resumed>) = 0 [pid 5146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5164] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 1 [pid 5159] getdents64(-1, [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5164] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5148] <... futex resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5164] sendfile(-1, -1, NULL, 281474978811909 [pid 5162] lseek(-1, 257, SEEK_SET [pid 5159] <... futex resumed>) = 1 [pid 5149] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] <... futex resumed>) = 0 [pid 5146] <... clone3 resumed> => {parent_tid=[5165]}, 88) = 5165 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5147] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5165 attached [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5147] <... futex resumed>) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5164] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 1 [pid 5159] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] <... mmap resumed>) = 0x7fb64abfb000 [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5165] <... rseq resumed>) = 0 [pid 5164] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... openat resumed>) = 5 [pid 5149] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5162] getdents64(-1, [pid 5159] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mprotect resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5164] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5162] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5159] <... futex resumed>) = 1 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5147] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] ftruncate(-1, 33587195 [pid 5164] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5148] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] <... openat resumed>) = 5 [pid 5149] <... clone3 resumed> => {parent_tid=[5166]}, 88) = 5166 [pid 5148] <... futex resumed>) = 0 [pid 5145] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] <... futex resumed>) = 1 [pid 5164] lseek(-1, 257, SEEK_SET [pid 5162] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5162] <... futex resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5166 attached [pid 5165] sendfile(-1, -1, NULL, 281474978811909 [pid 5164] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... mmap resumed>) = 0x7fb64abfb000 [pid 5166] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5165] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5164] getdents64(-1, [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5166] <... rseq resumed>) = 0 [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5148] <... futex resumed>) = 0 [pid 5166] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5165] <... futex resumed>) = 1 [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5144] <... mprotect resumed>) = 0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5148] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5164] <... openat resumed>) = 5 [pid 5148] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5166] ftruncate(-1, 33587195 [pid 5165] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5164] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] <... clone3 resumed> => {parent_tid=[5167]}, 88) = 5167 [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 1 [pid 5164] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = 0 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... futex resumed>) = 1 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] lseek(-1, 257, SEEK_SET [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5167 attached [pid 5166] sendfile(-1, -1, NULL, 281474978811909 [pid 5165] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5166] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... rseq resumed>) = 0 [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 1 [pid 5146] <... futex resumed>) = 0 [pid 5167] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5166] <... futex resumed>) = 1 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] getdents64(-1, [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5165] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] ftruncate(-1, 33587195 [pid 5166] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 1 [pid 5146] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] lseek(-1, 257, SEEK_SET [pid 5165] <... openat resumed>) = 5 [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5167] sendfile(-1, -1, NULL, 281474978811909 [pid 5166] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5165] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 1 [pid 5146] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5165] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] getdents64(-1, [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5167] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5166] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5167] lseek(-1, 257, SEEK_SET [pid 5166] <... openat resumed>) = 5 [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5166] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] <... futex resumed>) = 0 [pid 5167] getdents64(-1, [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] <... futex resumed>) = 0 [pid 5167] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5144] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... openat resumed>) = 5 [pid 5167] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5144] <... futex resumed>) = 0 [pid 5167] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... open resumed>) = 3 [pid 5151] <... open resumed>) = 3 [pid 5163] <... open resumed>) = 4 [pid 5161] <... open resumed>) = 4 [pid 5160] <... open resumed>) = 4 [pid 5158] <... open resumed>) = 4 [pid 5157] <... open resumed>) = 4 [pid 5156] <... open resumed>) = 4 [pid 5155] <... open resumed>) = 3 [pid 5154] <... open resumed>) = 3 [pid 5153] <... open resumed>) = 3 [pid 5152] <... open resumed>) = 3 [pid 5150] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5149] exit_group(0 [pid 5145] exit_group(0 [pid 5144] exit_group(0 [pid 5167] <... futex resumed>) = ? [pid 5166] <... futex resumed>) = ? [pid 5163] <... futex resumed>) = ? [pid 5162] <... futex resumed>) = ? [pid 5161] <... futex resumed>) = ? [pid 5160] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5157] <... futex resumed>) = ? [pid 5152] <... futex resumed>) = 0 [pid 5150] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... exit_group resumed>) = ? [pid 5153] <... futex resumed>) = ? [pid 5148] exit_group(0 [pid 5147] exit_group(0 [pid 5155] <... futex resumed>) = ? [pid 5146] exit_group(0 [pid 5145] <... exit_group resumed>) = ? [pid 5144] <... exit_group resumed>) = ? [pid 5167] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5163] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5160] exit_group(0 [pid 5157] +++ exited with 0 +++ [pid 5156] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5154] ???( [pid 5164] <... futex resumed>) = ? [pid 5153] +++ exited with 0 +++ [pid 5148] <... exit_group resumed>) = ? [pid 5146] <... exit_group resumed>) = ? [pid 5165] <... futex resumed>) = ? [pid 5160] <... exit_group resumed>) = ? [pid 5165] +++ exited with 0 +++ [pid 5164] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5159] <... futex resumed>) = ? [pid 5158] +++ exited with 0 +++ [pid 5156] <... futex resumed>) = ? [pid 5155] +++ exited with 0 +++ [pid 5154] <... ??? resumed>) = ? [pid 5152] +++ exited with 0 +++ [pid 5150] <... futex resumed>) = ? [pid 5149] +++ exited with 0 +++ [pid 5147] <... exit_group resumed>) = ? [pid 5144] +++ exited with 0 +++ [pid 5159] +++ exited with 0 +++ [pid 5156] +++ exited with 0 +++ [pid 5150] +++ exited with 0 +++ [pid 5148] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5154] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5027] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5027] <... ioctl resumed>) = 0 [pid 5147] +++ exited with 0 +++ [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5151] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5168 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5169 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... openat resumed>) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] close(3 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5025] <... openat resumed>) = 3 [pid 5022] <... close resumed>) = 0 [pid 5021] close(3 [pid 5019] close(3 [pid 5169] set_robust_list(0x5555556096a0, 24 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... close resumed>) = 0 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5025] <... ioctl resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] close(3./strace-static-x86_64: Process 5168 attached [pid 5169] <... prctl resumed>) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5170 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached [pid 5169] setpgid(0, 0 [pid 5168] set_robust_list(0x5555556096a0, 24 [pid 5025] <... close resumed>) = 0 ./strace-static-x86_64: Process 5171 attached [pid 5170] set_robust_list(0x5555556096a0, 24 [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5171 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5172 ./strace-static-x86_64: Process 5172 attached [pid 5171] set_robust_list(0x5555556096a0, 24 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] set_robust_list(0x5555556096a0, 24 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] <... openat resumed>) = 3 [pid 5168] <... prctl resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5173 ./strace-static-x86_64: Process 5173 attached [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] <... prctl resumed>) = 0 [pid 5169] write(3, "1000", 4 [pid 5168] setpgid(0, 0 [pid 5173] set_robust_list(0x5555556096a0, 24 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] <... prctl resumed>) = 0 [pid 5170] setpgid(0, 0 [pid 5169] <... write resumed>) = 4 [pid 5168] <... setpgid resumed>) = 0 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] <... prctl resumed>) = 0 [pid 5171] setpgid(0, 0 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] close(3 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5172] setpgid(0, 0 [pid 5171] <... setpgid resumed>) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] <... close resumed>) = 0 [pid 5168] <... openat resumed>) = 3 [pid 5173] <... prctl resumed>) = 0 [pid 5172] <... setpgid resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] <... openat resumed>) = 3 [pid 5169] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] write(3, "1000", 4 [pid 5173] setpgid(0, 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] <... openat resumed>) = 3 [pid 5170] write(3, "1000", 4 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... write resumed>) = 4 [pid 5173] <... setpgid resumed>) = 0 [pid 5172] <... openat resumed>) = 3 [pid 5171] write(3, "1000", 4 [pid 5170] <... write resumed>) = 4 [pid 5169] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5168] close(3 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] write(3, "1000", 4 [pid 5171] <... write resumed>) = 4 [pid 5170] close(3 [pid 5169] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5168] <... close resumed>) = 0 [pid 5173] <... openat resumed>) = 3 [pid 5172] <... write resumed>) = 4 [pid 5171] close(3 [pid 5170] <... close resumed>) = 0 [pid 5169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5168] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] write(3, "1000", 4 [pid 5172] close(3 [pid 5171] <... close resumed>) = 0 [pid 5170] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5173] <... write resumed>) = 4 [pid 5172] <... close resumed>) = 0 [pid 5171] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5168] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5173] close(3 [pid 5172] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 0 [pid 5170] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5169] <... mmap resumed>) = 0x7fb652e3d000 [pid 5168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5173] <... close resumed>) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5171] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5169] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5173] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5171] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5169] <... mprotect resumed>) = 0 [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5168] <... mmap resumed>) = 0x7fb652e3d000 [pid 5173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] <... mmap resumed>) = 0x7fb652e3d000 [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5168] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5171] <... mmap resumed>) = 0x7fb652e3d000 [pid 5170] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5168] <... mprotect resumed>) = 0 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... mmap resumed>) = 0x7fb652e3d000 [pid 5171] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5170] <... mprotect resumed>) = 0 [pid 5169] <... clone3 resumed> => {parent_tid=[5174]}, 88) = 5174 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5174 attached [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5171] <... mprotect resumed>) = 0 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5174] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5173] <... mmap resumed>) = 0x7fb652e3d000 [pid 5172] <... mprotect resumed>) = 0 [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5174] <... rseq resumed>) = 0 [pid 5173] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5169] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5175 attached [pid 5174] set_robust_list(0x7fb652e5d9a0, 24 [pid 5173] <... mprotect resumed>) = 0 [pid 5172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5169] <... futex resumed>) = 0 [pid 5168] <... clone3 resumed> => {parent_tid=[5175]}, 88) = 5175 [pid 5175] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5170] <... clone3 resumed> => {parent_tid=[5176]}, 88) = 5176 [pid 5169] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5168] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5177 attached [pid 5175] <... rseq resumed>) = 0 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] <... clone3 resumed> => {parent_tid=[5177]}, 88) = 5177 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5176 attached [pid 5177] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5175] set_robust_list(0x7fb652e5d9a0, 24 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5172] <... clone3 resumed> => {parent_tid=[5178]}, 88) = 5178 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5178 attached [pid 5177] <... rseq resumed>) = 0 [pid 5176] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5174] memfd_create("syzkaller", 0 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5178] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5177] set_robust_list(0x7fb652e5d9a0, 24 [pid 5176] <... rseq resumed>) = 0 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] <... memfd_create resumed>) = 3 [pid 5173] <... clone3 resumed> => {parent_tid=[5179]}, 88) = 5179 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5179 attached [pid 5178] <... rseq resumed>) = 0 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] set_robust_list(0x7fb652e5d9a0, 24 [pid 5170] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5179] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5178] set_robust_list(0x7fb652e5d9a0, 24 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] <... set_robust_list resumed>) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] memfd_create("syzkaller", 0 [pid 5172] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 0 [pid 5179] <... rseq resumed>) = 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] <... memfd_create resumed>) = 3 [pid 5174] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5171] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] set_robust_list(0x7fb652e5d9a0, 24 [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] memfd_create("syzkaller", 0 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] <... set_robust_list resumed>) = 0 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] memfd_create("syzkaller", 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] memfd_create("syzkaller", 0 [pid 5176] <... memfd_create resumed>) = 3 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... memfd_create resumed>) = 3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5179] memfd_create("syzkaller", 0 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5176] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5179] <... memfd_create resumed>) = 3 [pid 5178] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5177] <... memfd_create resumed>) = 3 [pid 5175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5173] <... futex resumed>) = 0 [pid 5179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5175] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5173] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5177] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [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"..., 2097152 [pid 5177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5177] <... write resumed>) = 2097152 [pid 5176] <... write resumed>) = 2097152 [pid 5177] munmap(0x7fb64aa3d000, 2097152 [pid 5175] <... write resumed>) = 2097152 [pid 5175] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5177] <... munmap resumed>) = 0 [pid 5179] <... write resumed>) = 2097152 [pid 5178] <... write resumed>) = 2097152 [pid 5177] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5176] munmap(0x7fb64aa3d000, 2097152 [pid 5175] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5174] <... write resumed>) = 2097152 [pid 5177] <... openat resumed>) = 4 [pid 5174] munmap(0x7fb64aa3d000, 2097152 [pid 5177] ioctl(4, LOOP_SET_FD, 3 [pid 5176] <... munmap resumed>) = 0 [pid 5175] <... openat resumed>) = 4 [pid 5174] <... munmap resumed>) = 0 [pid 5177] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5176] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5175] ioctl(4, LOOP_SET_FD, 3 [pid 5178] munmap(0x7fb64aa3d000, 2097152 [pid 5177] ioctl(4, LOOP_CLR_FD [pid 5176] <... openat resumed>) = 4 [pid 5175] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5174] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5179] munmap(0x7fb64aa3d000, 2097152 [pid 5178] <... munmap resumed>) = 0 [pid 5177] <... ioctl resumed>) = 0 [pid 5176] ioctl(4, LOOP_SET_FD, 3 [pid 5175] ioctl(4, LOOP_CLR_FD [pid 5174] <... openat resumed>) = 4 [pid 5179] <... munmap resumed>) = 0 [pid 5176] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5175] <... ioctl resumed>) = 0 [pid 5174] ioctl(4, LOOP_SET_FD, 3 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5176] ioctl(4, LOOP_CLR_FD [pid 5174] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5179] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5178] <... openat resumed>) = 4 [pid 5176] <... ioctl resumed>) = 0 [pid 5174] ioctl(4, LOOP_CLR_FD [pid 5179] <... openat resumed>) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3 [pid 5177] ioctl(4, LOOP_SET_FD, 3 [pid 5174] <... ioctl resumed>) = 0 [pid 5179] ioctl(4, LOOP_SET_FD, 3 [pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5177] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5175] ioctl(4, LOOP_SET_FD, 3 [pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5178] ioctl(4, LOOP_CLR_FD [pid 5179] ioctl(4, LOOP_CLR_FD [pid 5178] <... ioctl resumed>) = 0 [pid 5177] close(4 [pid 5175] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5179] <... ioctl resumed>) = 0 [pid 5177] <... close resumed>) = 0 [pid 5176] ioctl(4, LOOP_SET_FD, 3 [pid 5175] close(4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] close(4 [pid 5178] ioctl(4, LOOP_SET_FD, 3 [pid 5174] <... close resumed>) = 0 [pid 5179] ioctl(4, LOOP_SET_FD, 3 [pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5174] close(3 [pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5178] close(4 [pid 5177] close(3 [pid 5176] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5175] <... close resumed>) = 0 [pid 5174] <... close resumed>) = 0 [pid 5179] close(4 [pid 5178] <... close resumed>) = 0 [pid 5179] <... close resumed>) = 0 [pid 5178] close(3 [pid 5179] close(3 [pid 5178] <... close resumed>) = 0 [pid 5177] <... close resumed>) = 0 [pid 5176] close(4 [pid 5175] close(3 [pid 5179] <... close resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5174] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5176] close(3 [pid 5169] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5179] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5172] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5179] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5173] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5173] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] <... close resumed>) = 0 [pid 5177] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5177] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = 0 [pid 5177] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5171] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] <... close resumed>) = 0 [pid 5175] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 1 [pid 5175] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5170] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5169] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5173] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5172] <... mprotect resumed>) = 0 [pid 5169] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5173] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5169] <... mprotect resumed>) = 0 [pid 5173] <... mprotect resumed>) = 0 [pid 5172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5172] <... clone3 resumed> => {parent_tid=[5180]}, 88) = 5180 [pid 5171] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... futex resumed>) = 0 [pid 5173] <... clone3 resumed> => {parent_tid=[5182]}, 88) = 5182 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... clone3 resumed> => {parent_tid=[5181]}, 88) = 5181 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5171] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5182 attached [pid 5173] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... mprotect resumed>) = 0 [pid 5169] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5180 attached [pid 5182] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5173] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5181 attached [pid 5182] <... rseq resumed>) = 0 [pid 5180] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5173] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5181] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5180] <... rseq resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... rseq resumed>) = 0 [pid 5180] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5168] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... clone3 resumed> => {parent_tid=[5183]}, 88) = 5183 [pid 5170] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5168] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5182] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... mprotect resumed>) = 0 [pid 5168] <... mprotect resumed>) = 0 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5183 attached [pid 5181] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5171] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5183] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5171] <... futex resumed>) = 0 [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5183] <... rseq resumed>) = 0 [pid 5171] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5170] <... clone3 resumed> => {parent_tid=[5184]}, 88) = 5184 [pid 5168] <... clone3 resumed> => {parent_tid=[5185]}, 88) = 5185 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5184 attached [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5170] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5185 attached [pid 5184] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5185] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5184] <... rseq resumed>) = 0 [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] <... futex resumed>) = 0 [pid 5170] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... rseq resumed>) = 0 [pid 5184] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5173] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5185] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x7fb64abfb000 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... mmap resumed>) = 0x7fb64abfb000 [pid 5172] <... mprotect resumed>) = 0 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5173] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5185] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5173] <... mprotect resumed>) = 0 [pid 5172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5172] <... clone3 resumed> => {parent_tid=[5186]}, 88) = 5186 [pid 5169] <... futex resumed>) = 0 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5173] <... clone3 resumed> => {parent_tid=[5187]}, 88) = 5187 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] <... mmap resumed>) = 0x7fb64abfb000 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5186 attached [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... mprotect resumed>) = 0 [pid 5186] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5173] <... futex resumed>) = 0 [pid 5169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5186] <... rseq resumed>) = 0 [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5186] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5186] <... set_robust_list resumed>) = 0 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] <... clone3 resumed> => {parent_tid=[5188]}, 88) = 5188 ./strace-static-x86_64: Process 5187 attached [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5188 attached [pid 5187] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5186] ftruncate(-1, 33587195 [pid 5171] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5188] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5187] <... rseq resumed>) = 0 [pid 5186] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... rseq resumed>) = 0 [pid 5187] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... futex resumed>) = 0 [pid 5188] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5171] <... mmap resumed>) = 0x7fb64abfb000 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] <... futex resumed>) = 0 [pid 5171] <... mprotect resumed>) = 0 [pid 5186] sendfile(-1, -1, NULL, 281474978811909 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] ftruncate(-1, 33587195 [pid 5186] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5188] ftruncate(-1, 33587195 [pid 5187] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5188] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5170] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 0 [pid 5186] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... mmap resumed>) = 0x7fb64abfb000 [pid 5168] <... mmap resumed>) = 0x7fb64abfb000 ./strace-static-x86_64: Process 5189 attached [pid 5188] <... futex resumed>) = 1 [pid 5187] sendfile(-1, -1, NULL, 281474978811909 [pid 5186] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... clone3 resumed> => {parent_tid=[5189]}, 88) = 5189 [pid 5170] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5169] <... futex resumed>) = 0 [pid 5168] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5189] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... mprotect resumed>) = 0 [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... mprotect resumed>) = 0 [pid 5189] <... rseq resumed>) = 0 [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5169] <... futex resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5189] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5188] sendfile(-1, -1, NULL, 281474978811909 [pid 5187] <... futex resumed>) = 1 [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] lseek(-1, 257, SEEK_SET [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5190 attached [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5186] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... clone3 resumed> => {parent_tid=[5190]}, 88) = 5190 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... clone3 resumed> => {parent_tid=[5191]}, 88) = 5191 ./strace-static-x86_64: Process 5191 attached [pid 5190] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5189] ftruncate(-1, 33587195 [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5190] <... rseq resumed>) = 0 [pid 5189] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rseq resumed>) = 0 [pid 5190] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5187] <... futex resumed>) = 1 [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... futex resumed>) = 1 [pid 5188] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5187] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] getdents64(-1, [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 1 [pid 5187] lseek(-1, 257, SEEK_SET [pid 5186] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] ftruncate(-1, 33587195 [pid 5189] sendfile(-1, -1, NULL, 281474978811909 [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] ftruncate(-1, 33587195 [pid 5190] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5191] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] lseek(-1, 257, SEEK_SET [pid 5187] <... futex resumed>) = 1 [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 1 [pid 5188] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5187] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5173] <... futex resumed>) = 0 [pid 5172] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 1 [pid 5187] getdents64(-1, [pid 5186] <... openat resumed>) = 5 [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] sendfile(-1, -1, NULL, 281474978811909 [pid 5189] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5186] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] sendfile(-1, -1, NULL, 281474978811909 [pid 5190] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5172] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] getdents64(-1, [pid 5187] <... futex resumed>) = 1 [pid 5186] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 1 [pid 5188] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5187] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5173] <... futex resumed>) = 0 [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 1 [pid 5187] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5173] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5189] lseek(-1, 257, SEEK_SET [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... openat resumed>) = 5 [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5190] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5189] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5187] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5169] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 1 [pid 5188] <... openat resumed>) = 5 [pid 5187] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5188] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] lseek(-1, 257, SEEK_SET [pid 5189] getdents64(-1, [pid 5188] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5191] lseek(-1, 257, SEEK_SET [pid 5190] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5189] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] getdents64(-1, [pid 5189] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5171] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5191] getdents64(-1, [pid 5190] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5189] <... openat resumed>) = 5 [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5168] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5170] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... futex resumed>) = 0 [pid 5191] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5190] <... openat resumed>) = 5 [pid 5168] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... openat resumed>) = 5 [pid 5190] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 1 [pid 5170] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... futex resumed>) = 0 [pid 5191] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] <... open resumed>) = 3 [pid 5182] <... open resumed>) = 4 [pid 5180] <... open resumed>) = 4 [pid 5179] <... open resumed>) = 3 [pid 5177] <... open resumed>) = 3 [pid 5181] <... open resumed>) = 4 [pid 5176] <... open resumed>) = 3 [pid 5175] <... open resumed>) = 3 [pid 5183] <... open resumed>) = 4 [pid 5174] <... open resumed>) = 3 [pid 5184] <... open resumed>) = 4 [pid 5185] <... open resumed>) = 4 [pid 5184] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 0 [pid 5172] exit_group(0 [pid 5171] exit_group(0 [pid 5170] exit_group(0 [pid 5190] <... futex resumed>) = ? [pid 5189] <... futex resumed>) = ? [pid 5186] <... futex resumed>) = ? [pid 5185] <... futex resumed>) = 0 [pid 5182] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5174] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] exit_group(0 [pid 5172] <... exit_group resumed>) = ? [pid 5171] <... exit_group resumed>) = ? [pid 5170] <... exit_group resumed>) = ? [pid 5190] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5187] <... futex resumed>) = ? [pid 5186] +++ exited with 0 +++ [pid 5185] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] +++ exited with 0 +++ [pid 5183] +++ exited with 0 +++ [pid 5182] <... futex resumed>) = ? [pid 5180] +++ exited with 0 +++ [pid 5179] <... futex resumed>) = ? [pid 5178] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5173] <... exit_group resumed>) = ? [pid 5172] +++ exited with 0 +++ [pid 5168] exit_group(0 [pid 5191] <... futex resumed>) = ? [pid 5171] +++ exited with 0 +++ [pid 5168] <... exit_group resumed>) = ? [pid 5170] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5191] +++ exited with 0 +++ [pid 5187] +++ exited with 0 +++ [pid 5185] <... futex resumed>) = ? [pid 5182] +++ exited with 0 +++ [pid 5179] +++ exited with 0 +++ [pid 5175] <... futex resumed>) = ? [pid 5173] +++ exited with 0 +++ [pid 5169] exit_group(0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5185] +++ exited with 0 +++ [pid 5175] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5181] <... futex resumed>) = ? [pid 5174] <... futex resumed>) = ? [pid 5169] <... exit_group resumed>) = ? [pid 5188] <... futex resumed>) = ? [pid 5181] +++ exited with 0 +++ [pid 5174] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5188] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] <... openat resumed>) = 3 [pid 5022] <... openat resumed>) = 3 [pid 5021] <... openat resumed>) = 3 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] <... ioctl resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] close(3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] <... openat resumed>) = 3 [pid 5022] close(3 [pid 5021] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] <... close resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] <... close resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] close(3 [pid 5025] <... ioctl resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5027] <... close resumed>) = 0 [pid 5025] close(3 [pid 5020] <... ioctl resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5192 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... close resumed>) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5193 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5194 [pid 5020] close(3 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... close resumed>) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5195 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5196 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5197 ./strace-static-x86_64: Process 5195 attached [pid 5195] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5193 attached ) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5197 attached [pid 5195] <... prctl resumed>) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5197] set_robust_list(0x5555556096a0, 24 [pid 5195] setpgid(0, 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] <... set_robust_list resumed>) = 0 [pid 5195] <... setpgid resumed>) = 0 [pid 5193] <... prctl resumed>) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] setpgid(0, 0 [pid 5197] <... prctl resumed>) = 0 [pid 5195] <... openat resumed>) = 3 [pid 5193] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5196 attached ./strace-static-x86_64: Process 5194 attached [pid 5197] setpgid(0, 0 [pid 5195] write(3, "1000", 4 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5192 attached [pid 5197] <... setpgid resumed>) = 0 [pid 5196] set_robust_list(0x5555556096a0, 24 [pid 5195] <... write resumed>) = 4 [pid 5194] set_robust_list(0x5555556096a0, 24 [pid 5193] <... openat resumed>) = 3 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] close(3 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] write(3, "1000", 4 [pid 5192] set_robust_list(0x5555556096a0, 24 [pid 5197] <... openat resumed>) = 3 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] <... close resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] <... write resumed>) = 4 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5197] write(3, "1000", 4 [pid 5196] <... prctl resumed>) = 0 [pid 5195] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... prctl resumed>) = 0 [pid 5193] close(3 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] <... write resumed>) = 4 [pid 5196] setpgid(0, 0 [pid 5195] <... futex resumed>) = 0 [pid 5194] setpgid(0, 0 [pid 5193] <... close resumed>) = 0 [pid 5192] <... prctl resumed>) = 0 [pid 5197] close(3 [pid 5196] <... setpgid resumed>) = 0 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5194] <... setpgid resumed>) = 0 [pid 5193] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] setpgid(0, 0 [pid 5197] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] <... futex resumed>) = 0 [pid 5192] <... setpgid resumed>) = 0 [pid 5197] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... openat resumed>) = 3 [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5194] <... openat resumed>) = 3 [pid 5193] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] <... futex resumed>) = 0 [pid 5196] write(3, "1000", 4 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] write(3, "1000", 4 [pid 5193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5192] <... openat resumed>) = 3 [pid 5197] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5196] <... write resumed>) = 4 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] <... write resumed>) = 4 [pid 5193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5192] write(3, "1000", 4 [pid 5197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5196] close(3 [pid 5195] <... mmap resumed>) = 0x7fb652e3d000 [pid 5194] close(3 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... write resumed>) = 4 [pid 5197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] <... close resumed>) = 0 [pid 5195] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5194] <... close resumed>) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] close(3 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... mprotect resumed>) = 0 [pid 5194] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mmap resumed>) = 0x7fb652e3d000 [pid 5192] <... close resumed>) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5196] <... futex resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] <... futex resumed>) = 0 [pid 5193] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5192] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... mmap resumed>) = 0x7fb652e3d000 [pid 5196] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5193] <... mprotect resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5197] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5196] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5197] <... mprotect resumed>) = 0 [pid 5196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5196] <... mmap resumed>) = 0x7fb652e3d000 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... mmap resumed>) = 0x7fb652e3d000 [pid 5193] <... clone3 resumed> => {parent_tid=[5199]}, 88) = 5199 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5198 attached [pid 5196] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5195] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... mmap resumed>) = 0x7fb652e3d000 ./strace-static-x86_64: Process 5199 attached [pid 5198] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5197] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5196] <... mprotect resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... mprotect resumed>) = 0 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5199] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5198] <... rseq resumed>) = 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5193] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5200 attached [pid 5199] <... rseq resumed>) = 0 [pid 5198] set_robust_list(0x7fb652e5d9a0, 24 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5193] <... futex resumed>) = 0 [pid 5192] <... mprotect resumed>) = 0 [pid 5200] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5199] set_robust_list(0x7fb652e5d9a0, 24 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5193] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5200] <... rseq resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... futex resumed>) = 0 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5200] set_robust_list(0x7fb652e5d9a0, 24 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5196] <... clone3 resumed> => {parent_tid=[5201]}, 88) = 5201 [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] memfd_create("syzkaller", 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... clone3 resumed> => {parent_tid=[5202]}, 88) = 5202 ./strace-static-x86_64: Process 5202 attached ./strace-static-x86_64: Process 5201 attached [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] memfd_create("syzkaller", 0 [pid 5198] <... memfd_create resumed>) = 3 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5202] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5201] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] <... memfd_create resumed>) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5196] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5203 attached [pid 5202] <... rseq resumed>) = 0 [pid 5201] <... rseq resumed>) = 0 [pid 5200] memfd_create("syzkaller", 0 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5198] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5202] set_robust_list(0x7fb652e5d9a0, 24 [pid 5201] set_robust_list(0x7fb652e5d9a0, 24 [pid 5200] <... memfd_create resumed>) = 3 [pid 5199] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5196] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... rseq resumed>) = 0 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5203] set_robust_list(0x7fb652e5d9a0, 24 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5194] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] memfd_create("syzkaller", 0 [pid 5201] memfd_create("syzkaller", 0 [pid 5192] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] <... memfd_create resumed>) = 3 [pid 5201] <... memfd_create resumed>) = 3 [pid 5203] memfd_create("syzkaller", 0 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5203] <... memfd_create resumed>) = 3 [pid 5202] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5201] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5203] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5203] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5198] <... write resumed>) = 2097152 [pid 5198] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3 [pid 5203] <... write resumed>) = 2097152 [pid 5200] <... write resumed>) = 2097152 [pid 5198] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5198] ioctl(4, LOOP_CLR_FD [pid 5203] munmap(0x7fb64aa3d000, 2097152 [pid 5201] <... write resumed>) = 2097152 [pid 5199] <... write resumed>) = 2097152 [pid 5198] <... ioctl resumed>) = 0 [pid 5203] <... munmap resumed>) = 0 [pid 5202] <... write resumed>) = 2097152 [pid 5201] munmap(0x7fb64aa3d000, 2097152 [pid 5200] munmap(0x7fb64aa3d000, 2097152 [pid 5199] munmap(0x7fb64aa3d000, 2097152 [pid 5203] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5202] munmap(0x7fb64aa3d000, 2097152 [pid 5203] <... openat resumed>) = 4 [pid 5201] <... munmap resumed>) = 0 [pid 5200] <... munmap resumed>) = 0 [pid 5199] <... munmap resumed>) = 0 [pid 5203] ioctl(4, LOOP_SET_FD, 3 [pid 5202] <... munmap resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5200] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5199] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5203] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5202] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5201] <... openat resumed>) = 4 [pid 5200] <... openat resumed>) = 4 [pid 5199] <... openat resumed>) = 4 [pid 5203] ioctl(4, LOOP_CLR_FD [pid 5202] <... openat resumed>) = 4 [pid 5201] ioctl(4, LOOP_SET_FD, 3 [pid 5200] ioctl(4, LOOP_SET_FD, 3 [pid 5199] ioctl(4, LOOP_SET_FD, 3 [pid 5198] ioctl(4, LOOP_SET_FD, 3 [pid 5203] <... ioctl resumed>) = 0 [pid 5202] ioctl(4, LOOP_SET_FD, 3 [pid 5201] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5200] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5199] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5198] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5202] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5201] ioctl(4, LOOP_CLR_FD [pid 5200] ioctl(4, LOOP_CLR_FD [pid 5199] ioctl(4, LOOP_CLR_FD [pid 5198] close(4 [pid 5202] ioctl(4, LOOP_CLR_FD [pid 5201] <... ioctl resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5199] <... ioctl resumed>) = 0 [pid 5198] <... close resumed>) = 0 [pid 5203] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5203] close(4) = 0 [pid 5203] close(3) = 0 [pid 5202] <... ioctl resumed>) = 0 [pid 5198] close(3) = 0 [pid 5203] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] ioctl(4, LOOP_SET_FD, 3 [pid 5200] ioctl(4, LOOP_SET_FD, 3 [pid 5199] ioctl(4, LOOP_SET_FD, 3 [pid 5203] <... futex resumed>) = 1 [pid 5202] ioctl(4, LOOP_SET_FD, 3 [pid 5201] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5200] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5192] <... futex resumed>) = 0 [pid 5199] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5198] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5201] close(4 [pid 5200] close(4 [pid 5199] close(4 [pid 5198] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] close(4 [pid 5201] <... close resumed>) = 0 [pid 5200] <... close resumed>) = 0 [pid 5199] <... close resumed>) = 0 [pid 5198] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5195] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5203] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5202] <... close resumed>) = 0 [pid 5201] close(3 [pid 5200] close(3 [pid 5199] close(3 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] close(3 [pid 5195] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... close resumed>) = 0 [pid 5201] <... close resumed>) = 0 [pid 5200] <... close resumed>) = 0 [pid 5202] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 1 [pid 5200] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = 0 [pid 5202] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... close resumed>) = 0 [pid 5197] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5194] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5202] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5201] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5199] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5193] <... futex resumed>) = 0 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5199] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5195] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5193] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5195] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5192] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5195] <... mprotect resumed>) = 0 [pid 5192] <... mprotect resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5195] <... clone3 resumed> => {parent_tid=[5204]}, 88) = 5204 [pid 5192] <... clone3 resumed> => {parent_tid=[5205]}, 88) = 5205 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5205 attached [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5195] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... rseq resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5205] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5195] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] <... rseq resumed>) = 0 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5205] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5204] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5196] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5196] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5194] <... futex resumed>) = 0 [pid 5196] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5197] <... mprotect resumed>) = 0 [pid 5196] <... mprotect resumed>) = 0 [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5194] <... mprotect resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5197] <... clone3 resumed> => {parent_tid=[5206]}, 88) = 5206 [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] <... clone3 resumed> => {parent_tid=[5207]}, 88) = 5207 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5206 attached [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5197] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5207 attached [pid 5206] <... rseq resumed>) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5194] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5207] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5206] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5197] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5195] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5208 attached [pid 5207] <... rseq resumed>) = 0 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5196] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5192] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5207] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5194] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mprotect resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5208] <... rseq resumed>) = 0 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... mmap resumed>) = 0x7fb64abfb000 [pid 5194] <... futex resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5208] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5195] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5194] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] <... mmap resumed>) = 0x7fb64abfb000 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... mprotect resumed>) = 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5192] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5208] rt_sigprocmask(SIG_SETMASK, [], [pid 5207] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5209 attached [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5193] <... clone3 resumed> => {parent_tid=[5209]}, 88) = 5209 [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5209] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] <... rseq resumed>) = 0 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5209] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5195] <... clone3 resumed> => {parent_tid=[5210]}, 88) = 5210 [pid 5193] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5210 attached [pid 5209] <... set_robust_list resumed>) = 0 [pid 5197] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] <... futex resumed>) = 0 [pid 5192] <... clone3 resumed> => {parent_tid=[5211]}, 88) = 5211 [pid 5210] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... futex resumed>) = 0 [pid 5196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5211 attached [pid 5210] <... rseq resumed>) = 0 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5210] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5209] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5197] <... mmap resumed>) = 0x7fb64abfb000 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... rseq resumed>) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5197] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5211] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... mprotect resumed>) = 0 [pid 5196] <... mmap resumed>) = 0x7fb64abfb000 [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5196] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] ftruncate(-1, 33587195 [pid 5197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] <... mprotect resumed>) = 0 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5211] ftruncate(-1, 33587195 [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5211] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] <... futex resumed>) = 1 [pid 5197] <... clone3 resumed> => {parent_tid=[5212]}, 88) = 5212 [pid 5196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5195] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5212 attached [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... clone3 resumed> => {parent_tid=[5213]}, 88) = 5213 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] <... futex resumed>) = 0 [pid 5212] <... rseq resumed>) = 0 [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] sendfile(-1, -1, NULL, 281474978811909 [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5197] <... futex resumed>) = 0 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] sendfile(-1, -1, NULL, 281474978811909 [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5212] rt_sigprocmask(SIG_SETMASK, [], [pid 5211] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5194] <... mmap resumed>) = 0x7fb64abfb000 [pid 5213] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5213] <... rseq resumed>) = 0 [pid 5212] ftruncate(-1, 33587195 [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5194] <... mprotect resumed>) = 0 [pid 5213] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5212] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5212] <... futex resumed>) = 1 [pid 5211] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5210] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5213] ftruncate(-1, 33587195 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... clone3 resumed> => {parent_tid=[5214]}, 88) = 5214 [pid 5213] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] sendfile(-1, -1, NULL, 281474978811909 [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5214 attached [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] lseek(-1, 257, SEEK_SET [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5213] <... futex resumed>) = 1 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5214] <... rseq resumed>) = 0 [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5211] lseek(-1, 257, SEEK_SET [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5213] sendfile(-1, -1, NULL, 281474978811909 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... mmap resumed>) = 0x7fb64abfb000 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5193] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5192] <... futex resumed>) = 0 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] getdents64(-1, [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... mprotect resumed>) = 0 [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] ftruncate(-1, 33587195 [pid 5213] <... futex resumed>) = 1 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5196] <... futex resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] <... futex resumed>) = 0 [pid 5214] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5211] getdents64(-1, [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5210] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5214] <... futex resumed>) = 1 [pid 5213] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5215 attached [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5212] lseek(-1, 257, SEEK_SET [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... clone3 resumed> => {parent_tid=[5215]}, 88) = 5215 [pid 5192] <... futex resumed>) = 0 [pid 5215] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5195] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... rseq resumed>) = 0 [pid 5214] sendfile(-1, -1, NULL, 281474978811909 [pid 5213] <... futex resumed>) = 1 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... openat resumed>) = 5 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5215] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5214] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5211] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5210] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... openat resumed>) = 5 [pid 5210] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] <... futex resumed>) = 1 [pid 5213] lseek(-1, 257, SEEK_SET [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] getdents64(-1, [pid 5211] <... futex resumed>) = 1 [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5215] ftruncate(-1, 33587195 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5211] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... futex resumed>) = 0 [pid 5215] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5213] <... futex resumed>) = 1 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 1 [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 1 [pid 5213] getdents64(-1, [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5212] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5197] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5215] sendfile(-1, -1, NULL, 281474978811909 [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... openat resumed>) = 5 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] lseek(-1, 257, SEEK_SET [pid 5213] <... futex resumed>) = 1 [pid 5212] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5196] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 1 [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 1 [pid 5213] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5196] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... openat resumed>) = 5 [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5215] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5214] getdents64(-1, [pid 5213] <... futex resumed>) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5213] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] <... futex resumed>) = 1 [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5215] lseek(-1, 257, SEEK_SET [pid 5214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5214] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5194] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] <... openat resumed>) = 5 [pid 5215] <... futex resumed>) = 1 [pid 5214] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5214] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... futex resumed>) = 0 [pid 5215] getdents64(-1, [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5215] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5193] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... openat resumed>) = 5 [pid 5215] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5215] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... open resumed>) = 4 [pid 5208] <... open resumed>) = 4 [pid 5207] <... open resumed>) = 4 [pid 5206] <... open resumed>) = 4 [pid 5205] <... open resumed>) = 4 [pid 5204] <... open resumed>) = 4 [pid 5203] <... open resumed>) = 3 [pid 5202] <... open resumed>) = 3 [pid 5201] <... open resumed>) = 3 [pid 5200] <... open resumed>) = 3 [pid 5199] <... open resumed>) = 3 [pid 5198] <... open resumed>) = 3 [pid 5209] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5208] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = 0 [pid 5205] <... futex resumed>) = 0 [pid 5204] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5201] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5199] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = 0 [pid 5197] exit_group(0 [pid 5195] exit_group(0 [pid 5194] exit_group(0 [pid 5214] <... futex resumed>) = ? [pid 5212] <... futex resumed>) = ? [pid 5210] <... futex resumed>) = ? [pid 5209] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = ? [pid 5207] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] <... futex resumed>) = ? [pid 5203] <... futex resumed>) = 0 [pid 5201] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... futex resumed>) = 0 [pid 5197] <... exit_group resumed>) = ? [pid 5196] exit_group(0 [pid 5195] <... exit_group resumed>) = ? [pid 5194] <... exit_group resumed>) = ? [pid 5193] exit_group(0 [pid 5192] exit_group(0 [pid 5214] +++ exited with 0 +++ [pid 5213] <... futex resumed>) = ? [pid 5212] +++ exited with 0 +++ [pid 5211] <... futex resumed>) = ? [pid 5210] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 5207] <... futex resumed>) = ? [pid 5206] +++ exited with 0 +++ [pid 5204] +++ exited with 0 +++ [pid 5209] <... futex resumed>) = ? [pid 5202] +++ exited with 0 +++ [pid 5215] <... futex resumed>) = ? [pid 5201] <... futex resumed>) = ? [pid 5205] <... futex resumed>) = ? [pid 5200] +++ exited with 0 +++ [pid 5198] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5196] <... exit_group resumed>) = ? [pid 5195] +++ exited with 0 +++ [pid 5194] +++ exited with 0 +++ [pid 5193] <... exit_group resumed>) = ? [pid 5192] <... exit_group resumed>) = ? [pid 5215] +++ exited with 0 +++ [pid 5213] +++ exited with 0 +++ [pid 5211] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5207] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5203] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5199] +++ exited with 0 +++ [pid 5196] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5192] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] <... openat resumed>) = 3 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5027] <... openat resumed>) = 3 [pid 5025] <... ioctl resumed>) = 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] close(3 [pid 5022] <... openat resumed>) = 3 [pid 5027] <... ioctl resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5027] close(3 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... ioctl resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5022] close(3 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... close resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5020] <... openat resumed>) = 3 [pid 5019] <... openat resumed>) = 3 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5216 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5217 [pid 5021] <... ioctl resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5218 [pid 5021] close(3 [pid 5020] close(3 [pid 5019] close(3 [pid 5021] <... close resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5219 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5220 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5221 ./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5221 attached ./strace-static-x86_64: Process 5218 attached ) = 0 [pid 5221] set_robust_list(0x5555556096a0, 24 [pid 5218] set_robust_list(0x5555556096a0, 24 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] <... set_robust_list resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] <... prctl resumed>) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... prctl resumed>) = 0 [pid 5219] setpgid(0, 0 [pid 5218] <... prctl resumed>) = 0 [pid 5221] setpgid(0, 0 [pid 5219] <... setpgid resumed>) = 0 [pid 5218] setpgid(0, 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5218] <... setpgid resumed>) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] <... openat resumed>) = 3 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5220 attached [pid 5221] <... openat resumed>) = 3 [pid 5219] write(3, "1000", 4 [pid 5218] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5216 attached [pid 5221] write(3, "1000", 4 [pid 5220] set_robust_list(0x5555556096a0, 24 [pid 5219] <... write resumed>) = 4 [pid 5218] write(3, "1000", 4 [pid 5221] <... write resumed>) = 4 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] close(3 [pid 5218] <... write resumed>) = 4 [pid 5216] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5217 attached [pid 5221] close(3 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] <... close resumed>) = 0 [pid 5218] close(3 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5219] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... close resumed>) = 0 [pid 5221] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... prctl resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] set_robust_list(0x5555556096a0, 24 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... futex resumed>) = 0 [pid 5220] setpgid(0, 0 [pid 5219] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5218] <... futex resumed>) = 0 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5216] <... prctl resumed>) = 0 [pid 5221] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5220] <... setpgid resumed>) = 0 [pid 5219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5218] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5216] setpgid(0, 0 [pid 5221] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] <... setpgid resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5220] <... openat resumed>) = 3 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] <... prctl resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] write(3, "1000", 4 [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] <... openat resumed>) = 3 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5220] <... write resumed>) = 4 [pid 5219] <... mmap resumed>) = 0x7fb652e3d000 [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] setpgid(0, 0 [pid 5216] write(3, "1000", 4 [pid 5221] <... mmap resumed>) = 0x7fb652e3d000 [pid 5220] close(3 [pid 5219] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5218] <... mmap resumed>) = 0x7fb652e3d000 [pid 5217] <... setpgid resumed>) = 0 [pid 5216] <... write resumed>) = 4 [pid 5221] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5220] <... close resumed>) = 0 [pid 5219] <... mprotect resumed>) = 0 [pid 5218] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] close(3 [pid 5221] <... mprotect resumed>) = 0 [pid 5220] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5218] <... mprotect resumed>) = 0 [pid 5217] <... openat resumed>) = 3 [pid 5216] <... close resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5220] <... futex resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] write(3, "1000", 4 [pid 5216] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5220] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] <... write resumed>) = 4 [pid 5216] <... futex resumed>) = 0 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5220] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5217] close(3 [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, ./strace-static-x86_64: Process 5224 attached ./strace-static-x86_64: Process 5223 attached ./strace-static-x86_64: Process 5222 attached [pid 5220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5219] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5217] <... close resumed>) = 0 [pid 5216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... rseq resumed>) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] <... futex resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5223] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5222] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5221] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5220] <... mmap resumed>) = 0x7fb652e3d000 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... clone3 resumed> => {parent_tid=[5224]}, 88) = 5224 [pid 5217] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] <... rseq resumed>) = 0 [pid 5222] <... rseq resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] set_robust_list(0x7fb652e5d9a0, 24 [pid 5222] set_robust_list(0x7fb652e5d9a0, 24 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] <... mprotect resumed>) = 0 [pid 5219] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5216] <... mmap resumed>) = 0x7fb652e3d000 [pid 5224] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] <... futex resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5219] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] <... futex resumed>) = 0 [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5216] <... mprotect resumed>) = 0 [pid 5224] memfd_create("syzkaller", 0 [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5218] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] <... mmap resumed>) = 0x7fb652e3d000 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5224] <... memfd_create resumed>) = 3 [pid 5223] memfd_create("syzkaller", 0 [pid 5222] memfd_create("syzkaller", 0 [pid 5217] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5223] <... memfd_create resumed>) = 3 [pid 5222] <... memfd_create resumed>) = 3 [pid 5220] <... clone3 resumed> => {parent_tid=[5225]}, 88) = 5225 [pid 5217] <... mprotect resumed>) = 0 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5224] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5222] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5216] <... clone3 resumed> => {parent_tid=[5226]}, 88) = 5226 ./strace-static-x86_64: Process 5226 attached ./strace-static-x86_64: Process 5225 attached [pid 5220] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5225] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5220] <... futex resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... rseq resumed>) = 0 [pid 5225] <... rseq resumed>) = 0 [pid 5220] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] <... clone3 resumed> => {parent_tid=[5227]}, 88) = 5227 [pid 5216] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] set_robust_list(0x7fb652e5d9a0, 24 [pid 5225] set_robust_list(0x7fb652e5d9a0, 24 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] <... futex resumed>) = 0 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5227 attached [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5217] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [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"..., 2097152 [pid 5217] <... futex resumed>) = 0 [pid 5225] memfd_create("syzkaller", 0 [pid 5223] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5217] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5226] memfd_create("syzkaller", 0 [pid 5225] <... memfd_create resumed>) = 3 [pid 5227] <... rseq resumed>) = 0 [pid 5226] <... memfd_create resumed>) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5227] set_robust_list(0x7fb652e5d9a0, 24 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5225] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5227] memfd_create("syzkaller", 0 [pid 5226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5224] <... write resumed>) = 2097152 [pid 5227] <... memfd_create resumed>) = 3 [pid 5224] munmap(0x7fb64aa3d000, 2097152 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5224] <... munmap resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [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"..., 2097152 [pid 5224] ioctl(4, LOOP_CLR_FD) = 0 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5224] close(4) = 0 [pid 5224] close(3 [pid 5223] <... write resumed>) = 2097152 [pid 5223] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5222] <... write resumed>) = 2097152 [pid 5224] <... close resumed>) = 0 [pid 5222] munmap(0x7fb64aa3d000, 2097152 [pid 5223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5223] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5223] ioctl(4, LOOP_CLR_FD [pid 5222] <... munmap resumed>) = 0 [pid 5223] <... ioctl resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] ioctl(4, LOOP_CLR_FD [pid 5223] ioctl(4, LOOP_SET_FD, 3 [pid 5222] <... ioctl resumed>) = 0 [pid 5223] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5223] close(4) = 0 [pid 5223] close(3) = 0 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] close(4 [pid 5225] <... write resumed>) = 2097152 [pid 5224] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... close resumed>) = 0 [pid 5222] close(3 [pid 5224] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5226] <... write resumed>) = 2097152 [pid 5218] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] munmap(0x7fb64aa3d000, 2097152 [pid 5218] <... futex resumed>) = 0 [pid 5225] <... munmap resumed>) = 0 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5218] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] ioctl(4, LOOP_CLR_FD) = 0 [pid 5223] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5221] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = 1 [pid 5222] <... close resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5225] ioctl(4, LOOP_SET_FD, 3 [pid 5223] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5221] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5225] close(4 [pid 5222] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5219] <... futex resumed>) = 0 [pid 5225] close(3 [pid 5222] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... write resumed>) = 2097152 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] <... futex resumed>) = 0 [pid 5222] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5219] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] <... close resumed>) = 0 [pid 5226] ioctl(4, LOOP_CLR_FD) = 0 [pid 5225] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5225] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] ioctl(4, LOOP_SET_FD, 3 [pid 5225] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5225] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5226] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5220] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5218] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5226] close(4 [pid 5218] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5227] munmap(0x7fb64aa3d000, 2097152 [pid 5226] <... close resumed>) = 0 [pid 5218] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5226] close(3 [pid 5218] <... mprotect resumed>) = 0 [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5228]}, 88) = 5228 [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5218] <... futex resumed>) = 0 [pid 5221] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5218] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5227] <... munmap resumed>) = 0 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5228 attached [pid 5227] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5228] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5227] <... openat resumed>) = 4 [pid 5221] <... clone3 resumed> => {parent_tid=[5229]}, 88) = 5229 [pid 5228] <... rseq resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5229 attached [pid 5228] <... set_robust_list resumed>) = 0 [pid 5221] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5229] <... rseq resumed>) = 0 [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5229] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5228] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5227] ioctl(4, LOOP_SET_FD, 3 [pid 5219] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5227] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5219] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] ioctl(4, LOOP_CLR_FD [pid 5219] <... mprotect resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5230]}, 88) = 5230 [pid 5227] ioctl(4, LOOP_SET_FD, 3 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] close(4 [pid 5219] <... futex resumed>) = 0 [pid 5219] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5230 attached [pid 5227] <... close resumed>) = 0 [pid 5227] close(3 [pid 5230] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5230] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5230] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5220] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5220] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5231]}, 88) = 5231 [pid 5226] <... close resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5220] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5231 attached [pid 5226] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5226] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5216] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5231] <... rseq resumed>) = 0 [pid 5226] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5216] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5218] <... mmap resumed>) = 0x7fb64abfb000 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5218] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... mprotect resumed>) = 0 [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5231] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5218] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5232 attached [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5221] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5232] <... rseq resumed>) = 0 [pid 5221] <... mmap resumed>) = 0x7fb64abfb000 [pid 5232] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5221] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5232] <... set_robust_list resumed>) = 0 [pid 5221] <... mprotect resumed>) = 0 [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5232] ftruncate(-1, 33587195 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5232] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 ./strace-static-x86_64: Process 5233 attached [pid 5232] <... futex resumed>) = 1 [pid 5227] <... close resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] <... futex resumed>) = 0 [pid 5233] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = 1 [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... rseq resumed>) = 0 [pid 5219] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = 0 [pid 5233] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5232] sendfile(-1, -1, NULL, 281474978811909 [pid 5227] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] <... futex resumed>) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5220] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... mmap resumed>) = 0x7fb64abfb000 [pid 5217] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5219] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5218] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5233] ftruncate(-1, 33587195 [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] <... mprotect resumed>) = 0 [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5218] <... futex resumed>) = 0 [pid 5233] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5220] <... mmap resumed>) = 0x7fb64abfb000 [pid 5219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5220] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5216] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5220] <... mprotect resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 1 [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5219] <... clone3 resumed> => {parent_tid=[5234]}, 88) = 5234 [pid 5218] <... futex resumed>) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5233] sendfile(-1, -1, NULL, 281474978811909 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... futex resumed>) = 0 [pid 5216] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5234 attached [pid 5233] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] lseek(-1, 257, SEEK_SET [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... mprotect resumed>) = 0 [pid 5234] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] <... clone3 resumed> => {parent_tid=[5235]}, 88) = 5235 [pid 5219] <... futex resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] <... rseq resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5234] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 1 [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] <... futex resumed>) = 0 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5235 attached [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 0 [pid 5235] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5233] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5232] getdents64(-1, [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... clone3 resumed> => {parent_tid=[5236]}, 88) = 5236 [pid 5235] <... rseq resumed>) = 0 [pid 5234] ftruncate(-1, 33587195 [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5234] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 1 [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5216] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5236 attached [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] lseek(-1, 257, SEEK_SET [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5216] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5235] ftruncate(-1, 33587195 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5232] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5219] <... futex resumed>) = 0 [pid 5218] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... rseq resumed>) = 0 [pid 5235] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] sendfile(-1, -1, NULL, 281474978811909 [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... openat resumed>) = 5 [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 0 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5235] <... futex resumed>) = 1 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 1 [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] getdents64(-1, [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5235] sendfile(-1, -1, NULL, 281474978811909 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5235] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5233] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 1 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5221] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... openat resumed>) = 5 [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = 0 [pid 5235] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5234] lseek(-1, 257, SEEK_SET [pid 5233] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5233] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5217] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5235] <... futex resumed>) = 1 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5217] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 1 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5217] <... mprotect resumed>) = 0 [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] lseek(-1, 257, SEEK_SET [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5234] getdents64(-1, [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5235] <... futex resumed>) = 1 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5217] <... clone3 resumed> => {parent_tid=[5237]}, 88) = 5237 [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 1 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5237 attached [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5235] getdents64(-1, [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] <... futex resumed>) = 0 [pid 5217] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... rseq resumed>) = 0 [pid 5235] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5234] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5219] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5237] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... openat resumed>) = 5 [pid 5217] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5235] <... futex resumed>) = 1 [pid 5234] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = 1 [pid 5220] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5216] <... mmap resumed>) = 0x7fb64abfb000 [pid 5237] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5235] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5220] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5235] <... openat resumed>) = 5 [pid 5216] <... mprotect resumed>) = 0 [pid 5235] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5235] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5235] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5238]}, 88) = 5238 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5238 attached [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5238] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5238] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5238] sendfile(-1, -1, NULL, 281474978811909 [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5238] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5238] lseek(-1, 257, SEEK_SET [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5216] <... futex resumed>) = 0 [pid 5238] getdents64(-1, [pid 5217] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5217] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5238] <... futex resumed>) = 1 [pid 5217] <... mmap resumed>) = 0x7fb64abfb000 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5216] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... mprotect resumed>) = 0 [pid 5216] <... futex resumed>) = 0 [pid 5238] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5216] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... openat resumed>) = 5 [pid 5217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5238] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5238] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] <... clone3 resumed> => {parent_tid=[5239]}, 88) = 5239 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5239 attached NULL, 8) = 0 [pid 5239] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] <... rseq resumed>) = 0 [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5239] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5239] sendfile(-1, -1, NULL, 281474978811909 [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5239] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5239] lseek(-1, 257, SEEK_SET [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5239] getdents64(-1, [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] <... futex resumed>) = 0 [pid 5239] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5217] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... openat resumed>) = 5 [pid 5239] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5239] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... open resumed>) = 3 [pid 5224] <... open resumed>) = 3 [pid 5223] <... open resumed>) = 3 [pid 5222] <... open resumed>) = 3 [pid 5228] <... open resumed>) = 4 [pid 5229] <... open resumed>) = 4 [pid 5236] <... open resumed>) = 4 [pid 5237] <... open resumed>) = 4 [pid 5231] <... open resumed>) = 4 [pid 5230] <... open resumed>) = 4 [pid 5227] <... open resumed>) = 3 [pid 5226] <... open resumed>) = 3 [pid 5237] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] exit_group(0 [pid 5218] exit_group(0 [pid 5217] exit_group(0 [pid 5216] exit_group(0 [pid 5239] <... futex resumed>) = ? [pid 5238] <... futex resumed>) = ? [pid 5237] <... futex resumed>) = ? [pid 5236] <... futex resumed>) = ? [pid 5234] <... futex resumed>) = ? [pid 5232] <... futex resumed>) = ? [pid 5231] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = ? [pid 5229] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = ? [pid 5227] <... futex resumed>) = ? [pid 5226] <... futex resumed>) = ? [pid 5225] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = ? [pid 5223] <... futex resumed>) = 0 [pid 5222] <... futex resumed>) = ? [pid 5221] exit_group(0 [pid 5220] exit_group(0 [pid 5219] <... exit_group resumed>) = ? [pid 5218] <... exit_group resumed>) = ? [pid 5217] <... exit_group resumed>) = ? [pid 5216] <... exit_group resumed>) = ? [pid 5239] +++ exited with 0 +++ [pid 5238] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5235] <... futex resumed>) = ? [pid 5234] +++ exited with 0 +++ [pid 5233] <... futex resumed>) = ? [pid 5232] +++ exited with 0 +++ [pid 5227] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5221] <... exit_group resumed>) = ? [pid 5220] <... exit_group resumed>) = ? [pid 5233] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5218] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5229] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5027] <... openat resumed>) = 3 [pid 5025] <... openat resumed>) = 3 [pid 5225] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5027] <... ioctl resumed>) = 0 [pid 5025] <... ioctl resumed>) = 0 [pid 5027] close(3 [pid 5025] close(3 [pid 5027] <... close resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] +++ exited with 0 +++ [pid 5219] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5240 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5241 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5020] <... openat resumed>) = 3 [pid 5022] <... ioctl resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5022] close(3 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5021] <... openat resumed>) = 3 [pid 5019] <... ioctl resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] <... ioctl resumed>) = 0 [pid 5019] close(3 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached [pid 5021] <... ioctl resumed>) = 0 [pid 5020] close(3 [pid 5019] <... close resumed>) = 0 [pid 5241] set_robust_list(0x5555556096a0, 24) = 0 [pid 5021] close(3./strace-static-x86_64: Process 5242 attached ./strace-static-x86_64: Process 5240 attached [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5242 [pid 5021] <... close resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5242] set_robust_list(0x5555556096a0, 24 [pid 5241] <... prctl resumed>) = 0 [pid 5240] set_robust_list(0x5555556096a0, 24 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] setpgid(0, 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5243 ./strace-static-x86_64: Process 5243 attached [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... setpgid resumed>) = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5244 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5245 [pid 5242] <... prctl resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] <... prctl resumed>) = 0 [pid 5243] set_robust_list(0x5555556096a0, 24 [pid 5242] setpgid(0, 0 [pid 5241] <... openat resumed>) = 3 [pid 5240] setpgid(0, 0 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] <... setpgid resumed>) = 0 [pid 5241] write(3, "1000", 4 [pid 5240] <... setpgid resumed>) = 0 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... write resumed>) = 4 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5244 attached [pid 5243] <... prctl resumed>) = 0 [pid 5242] <... openat resumed>) = 3 [pid 5241] close(3 [pid 5240] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5245 attached [pid 5242] write(3, "1000", 4 [pid 5241] <... close resumed>) = 0 [pid 5240] write(3, "1000", 4 [pid 5245] set_robust_list(0x5555556096a0, 24 [pid 5242] <... write resumed>) = 4 [pid 5241] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... write resumed>) = 4 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5244] set_robust_list(0x5555556096a0, 24 [pid 5243] setpgid(0, 0 [pid 5242] close(3 [pid 5241] <... futex resumed>) = 0 [pid 5240] close(3 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] <... set_robust_list resumed>) = 0 [pid 5243] <... setpgid resumed>) = 0 [pid 5242] <... close resumed>) = 0 [pid 5241] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5240] <... close resumed>) = 0 [pid 5245] <... prctl resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5242] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5240] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] setpgid(0, 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] <... futex resumed>) = 0 [pid 5241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5240] <... futex resumed>) = 0 [pid 5245] <... setpgid resumed>) = 0 [pid 5244] <... prctl resumed>) = 0 [pid 5243] <... openat resumed>) = 3 [pid 5242] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] setpgid(0, 0 [pid 5243] write(3, "1000", 4 [pid 5242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5245] <... openat resumed>) = 3 [pid 5244] <... setpgid resumed>) = 0 [pid 5243] <... write resumed>) = 4 [pid 5242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5241] <... mmap resumed>) = 0x7fb652e3d000 [pid 5240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5245] write(3, "1000", 4 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5243] close(3 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... write resumed>) = 4 [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... mprotect resumed>) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] close(3 [pid 5244] <... openat resumed>) = 3 [pid 5243] <... close resumed>) = 0 [pid 5242] <... mmap resumed>) = 0x7fb652e3d000 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... mmap resumed>) = 0x7fb652e3d000 [pid 5245] <... close resumed>) = 0 [pid 5244] write(3, "1000", 4 [pid 5243] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5245] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... write resumed>) = 4 [pid 5243] <... futex resumed>) = 0 [pid 5242] <... mprotect resumed>) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5240] <... mprotect resumed>) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] close(3 [pid 5243] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5245] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5244] <... close resumed>) = 0 [pid 5243] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] <... clone3 resumed> => {parent_tid=[5246]}, 88) = 5246 [pid 5240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5245] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5244] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5244] <... futex resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5242] <... clone3 resumed> => {parent_tid=[5247]}, 88) = 5247 [pid 5241] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5243] <... mmap resumed>) = 0x7fb652e3d000 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... futex resumed>) = 0 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5246 attached [pid 5245] <... mmap resumed>) = 0x7fb652e3d000 [pid 5244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5243] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... mprotect resumed>) = 0 [pid 5242] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5247 attached [pid 5246] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5245] <... mprotect resumed>) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5242] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5248 attached [pid 5247] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5246] <... rseq resumed>) = 0 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5244] <... mmap resumed>) = 0x7fb652e3d000 [pid 5243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5242] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5240] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5248] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5247] <... rseq resumed>) = 0 [pid 5246] set_robust_list(0x7fb652e5d9a0, 24 [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5247] set_robust_list(0x7fb652e5d9a0, 24 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5244] <... mprotect resumed>) = 0 [pid 5248] <... rseq resumed>) = 0 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5243] <... clone3 resumed> => {parent_tid=[5249]}, 88) = 5249 [pid 5248] set_robust_list(0x7fb652e5d9a0, 24 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... clone3 resumed> => {parent_tid=[5250]}, 88) = 5250 [pid 5244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5249 attached [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] memfd_create("syzkaller", 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5247] memfd_create("syzkaller", 0 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... rseq resumed>) = 0 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... memfd_create resumed>) = 3 [pid 5246] <... memfd_create resumed>) = 3 [pid 5245] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] set_robust_list(0x7fb652e5d9a0, 24 [pid 5248] memfd_create("syzkaller", 0 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5243] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5251 attached [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] <... memfd_create resumed>) = 3 [pid 5247] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5246] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5245] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5251] <... rseq resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] set_robust_list(0x7fb652e5d9a0, 24 [pid 5249] memfd_create("syzkaller", 0 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5249] <... memfd_create resumed>) = 3 [pid 5248] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5244] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5244] <... futex resumed>) = 0 [pid 5251] memfd_create("syzkaller", 0 [pid 5244] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] <... memfd_create resumed>) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 ./strace-static-x86_64: Process 5250 attached [pid 5250] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5250] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [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"..., 2097152 [pid 5248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5250] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5247] <... write resumed>) = 2097152 [pid 5246] <... write resumed>) = 2097152 [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"..., 2097152 [pid 5249] <... write resumed>) = 2097152 [pid 5247] munmap(0x7fb64aa3d000, 2097152 [pid 5248] <... write resumed>) = 2097152 [pid 5246] munmap(0x7fb64aa3d000, 2097152 [pid 5247] <... munmap resumed>) = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5247] ioctl(4, LOOP_CLR_FD [pid 5249] munmap(0x7fb64aa3d000, 2097152 [pid 5248] munmap(0x7fb64aa3d000, 2097152 [pid 5247] <... ioctl resumed>) = 0 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] <... write resumed>) = 2097152 [pid 5249] <... munmap resumed>) = 0 [pid 5247] close(4 [pid 5249] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5247] <... close resumed>) = 0 [pid 5249] <... openat resumed>) = 4 [pid 5247] close(3 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5246] <... munmap resumed>) = 0 [pid 5249] ioctl(4, LOOP_CLR_FD [pid 5246] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5251] munmap(0x7fb64aa3d000, 2097152 [pid 5249] <... ioctl resumed>) = 0 [pid 5248] <... munmap resumed>) = 0 [pid 5246] <... openat resumed>) = 4 [pid 5246] ioctl(4, LOOP_SET_FD, 3 [pid 5251] <... munmap resumed>) = 0 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5249] close(4 [pid 5251] <... openat resumed>) = 4 [pid 5249] <... close resumed>) = 0 [pid 5251] ioctl(4, LOOP_SET_FD, 3 [pid 5249] close(3 [pid 5251] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5249] <... close resumed>) = 0 [pid 5251] ioctl(4, LOOP_CLR_FD [pid 5246] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5248] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5251] <... ioctl resumed>) = 0 [pid 5246] ioctl(4, LOOP_CLR_FD [pid 5248] <... openat resumed>) = 4 [pid 5247] <... close resumed>) = 0 [pid 5246] <... ioctl resumed>) = 0 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] close(4 [pid 5248] ioctl(4, LOOP_CLR_FD [pid 5246] ioctl(4, LOOP_SET_FD, 3 [pid 5251] <... close resumed>) = 0 [pid 5248] <... ioctl resumed>) = 0 [pid 5247] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5251] close(3 [pid 5247] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5249] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5246] close(4 [pid 5242] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... write resumed>) = 2097152 [pid 5249] <... futex resumed>) = 1 [pid 5246] <... close resumed>) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] munmap(0x7fb64aa3d000, 2097152 [pid 5249] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] ioctl(4, LOOP_SET_FD, 3 [pid 5246] close(3 [pid 5243] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... munmap resumed>) = 0 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5248] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5246] <... close resumed>) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5251] <... close resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5249] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5248] close(4 [pid 5246] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... openat resumed>) = 4 [pid 5248] <... close resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5250] ioctl(4, LOOP_SET_FD, 3 [pid 5248] close(3 [pid 5246] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... futex resumed>) = 0 [pid 5251] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] ioctl(4, LOOP_CLR_FD [pid 5248] <... close resumed>) = 0 [pid 5246] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5244] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... ioctl resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5244] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5242] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5242] <... mprotect resumed>) = 0 [pid 5250] close(4 [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] <... close resumed>) = 0 [pid 5248] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] close(3 [pid 5248] <... futex resumed>) = 1 [pid 5248] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5240] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5243] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5242] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5240] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5243] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] <... close resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5250] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5243] <... clone3 resumed> => {parent_tid=[5253]}, 88) = 5253 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5245] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5252 attached [pid 5245] <... futex resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5252] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5245] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5252] <... rseq resumed>) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5253] <... rseq resumed>) = 0 [pid 5252] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5243] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5253] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5241] <... futex resumed>) = 0 [pid 5253] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5241] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5244] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5244] <... futex resumed>) = 0 [pid 5241] <... mprotect resumed>) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5244] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5244] <... mprotect resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... clone3 resumed> => {parent_tid=[5255]}, 88) = 5255 [pid 5241] <... futex resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5254 attached [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5244] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... rseq resumed>) = 0 [pid 5244] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5255 attached [pid 5254] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5244] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5255] <... rseq resumed>) = 0 [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5254] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5255] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5240] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5256]}, 88) = 5256 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5240] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5256 attached [pid 5256] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5256] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5256] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5245] <... futex resumed>) = 0 [pid 5243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5242] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5245] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5243] <... futex resumed>) = 0 [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] <... mprotect resumed>) = 0 [pid 5243] <... mmap resumed>) = 0x7fb64abfb000 [pid 5242] <... mmap resumed>) = 0x7fb64abfb000 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5243] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5242] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] <... mprotect resumed>) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5242] <... mprotect resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5245] <... clone3 resumed> => {parent_tid=[5257]}, 88) = 5257 [pid 5243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 [pid 5245] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] <... clone3 resumed> => {parent_tid=[5259]}, 88) = 5259 [pid 5241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5258 attached [pid 5245] <... futex resumed>) = 0 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5245] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5257 attached [pid 5258] <... rseq resumed>) = 0 [pid 5244] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5259 attached [pid 5258] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5257] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = 0 [pid 5241] <... mmap resumed>) = 0x7fb64abfb000 [pid 5259] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] <... rseq resumed>) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5259] <... rseq resumed>) = 0 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5244] <... mmap resumed>) = 0x7fb64abfb000 [pid 5241] <... mprotect resumed>) = 0 [pid 5259] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5244] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] ftruncate(-1, 33587195 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] <... mprotect resumed>) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5260 attached [pid 5259] ftruncate(-1, 33587195 [pid 5258] <... futex resumed>) = 1 [pid 5244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5241] <... clone3 resumed> => {parent_tid=[5260]}, 88) = 5260 [pid 5240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5260] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5259] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] sendfile(-1, -1, NULL, 281474978811909 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... rseq resumed>) = 0 [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5243] <... futex resumed>) = 0 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5260] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5259] <... futex resumed>) = 1 [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... clone3 resumed> => {parent_tid=[5261]}, 88) = 5261 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] <... futex resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... mmap resumed>) = 0x7fb64abfb000 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] sendfile(-1, -1, NULL, 281474978811909 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5261 attached [pid 5260] ftruncate(-1, 33587195 [pid 5259] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... mprotect resumed>) = 0 [pid 5261] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5260] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5261] <... rseq resumed>) = 0 [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5261] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] <... futex resumed>) = 1 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... futex resumed>) = 0 [pid 5240] <... clone3 resumed> => {parent_tid=[5262]}, 88) = 5262 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] sendfile(-1, -1, NULL, 281474978811909 [pid 5259] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5258] lseek(-1, 257, SEEK_SET [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] ftruncate(-1, 33587195 [pid 5260] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5262 attached [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5262] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5261] <... futex resumed>) = 1 [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... rseq resumed>) = 0 [pid 5261] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] lseek(-1, 257, SEEK_SET [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... mmap resumed>) = 0x7fb64abfb000 [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... futex resumed>) = 0 [pid 5262] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5259] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5258] getdents64(-1, [pid 5245] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] sendfile(-1, -1, NULL, 281474978811909 [pid 5260] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5245] <... mprotect resumed>) = 0 [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5242] <... futex resumed>) = 0 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] <... futex resumed>) = 1 [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5262] ftruncate(-1, 33587195 [pid 5261] <... futex resumed>) = 1 [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] getdents64(-1, [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5263 attached [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] lseek(-1, 257, SEEK_SET [pid 5259] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5258] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5245] <... clone3 resumed> => {parent_tid=[5263]}, 88) = 5263 [pid 5244] <... futex resumed>) = 0 [pid 5243] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... futex resumed>) = 1 [pid 5261] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5260] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 0 [pid 5263] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5258] <... openat resumed>) = 5 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = 0 [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... rseq resumed>) = 0 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5262] sendfile(-1, -1, NULL, 281474978811909 [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5258] <... futex resumed>) = 1 [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] lseek(-1, 257, SEEK_SET [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5258] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5242] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... futex resumed>) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5260] getdents64(-1, [pid 5259] <... openat resumed>) = 5 [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5259] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... futex resumed>) = 0 [pid 5263] ftruncate(-1, 33587195 [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 1 [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] getdents64(-1, [pid 5260] <... futex resumed>) = 1 [pid 5259] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5261] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = 1 [pid 5262] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... futex resumed>) = 0 [pid 5260] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 1 [pid 5261] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5240] <... futex resumed>) = 0 [pid 5260] <... openat resumed>) = 5 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5263] sendfile(-1, -1, NULL, 281474978811909 [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... openat resumed>) = 5 [pid 5260] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] lseek(-1, 257, SEEK_SET [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = 1 [pid 5262] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5261] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] getdents64(-1, [pid 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = 1 [pid 5262] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5245] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] lseek(-1, 257, SEEK_SET [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286ec, 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 5240] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = 1 [pid 5262] <... openat resumed>) = 5 [pid 5245] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5263] getdents64(-1, [pid 5262] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5263] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... futex resumed>) = 0 [pid 5263] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5245] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... openat resumed>) = 5 [pid 5263] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5263] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... open resumed>) = 4 [pid 5253] <... open resumed>) = 4 [pid 5252] <... open resumed>) = 4 [pid 5255] <... open resumed>) = 4 [pid 5251] <... open resumed>) = 3 [pid 5250] <... open resumed>) = 3 [pid 5249] <... open resumed>) = 3 [pid 5248] <... open resumed>) = 3 [pid 5247] <... open resumed>) = 3 [pid 5246] <... open resumed>) = 3 [pid 5256] <... open resumed>) = 4 [pid 5257] <... open resumed>) = 4 [pid 5251] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5255] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = 0 [pid 5245] exit_group(0 [pid 5244] exit_group(0 [pid 5243] exit_group(0 [pid 5242] exit_group(0 [pid 5241] exit_group(0 [pid 5263] <... futex resumed>) = ? [pid 5261] <... futex resumed>) = ? [pid 5260] <... futex resumed>) = ? [pid 5259] <... futex resumed>) = ? [pid 5258] <... futex resumed>) = ? [pid 5256] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... exit_group resumed>) = ? [pid 5244] <... exit_group resumed>) = ? [pid 5243] <... exit_group resumed>) = ? [pid 5242] <... exit_group resumed>) = ? [pid 5241] <... exit_group resumed>) = ? [pid 5240] exit_group(0 [pid 5263] +++ exited with 0 +++ [pid 5261] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5259] +++ exited with 0 +++ [pid 5262] <... futex resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5256] <... futex resumed>) = ? [pid 5254] +++ exited with 0 +++ [pid 5252] +++ exited with 0 +++ [pid 5251] +++ exited with 0 +++ [pid 5248] <... futex resumed>) = ? [pid 5247] +++ exited with 0 +++ [pid 5240] <... exit_group resumed>) = ? [pid 5262] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ [pid 5255] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5246] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5243] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5250] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5240] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] <... openat resumed>) = 3 [pid 5242] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5025] <... openat resumed>) = 3 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5021] <... openat resumed>) = 3 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] close(3 [pid 5025] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5025] close(3 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] close(3 [pid 5019] <... close resumed>) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] <... close resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5021] <... close resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5264 [pid 5022] close(3 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5265 [pid 5027] close(3 [pid 5022] <... close resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5266 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5267 [pid 5020] <... openat resumed>) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5267 attached ) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5268 [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] set_robust_list(0x5555556096a0, 24) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5269 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5266 attached [pid 5267] setpgid(0, 0) = 0 [pid 5266] set_robust_list(0x5555556096a0, 24 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5269 attached ./strace-static-x86_64: Process 5268 attached ./strace-static-x86_64: Process 5265 attached ./strace-static-x86_64: Process 5264 attached [pid 5267] <... openat resumed>) = 3 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] set_robust_list(0x5555556096a0, 24 [pid 5267] write(3, "1000", 4 [pid 5266] <... prctl resumed>) = 0 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] set_robust_list(0x5555556096a0, 24 [pid 5267] <... write resumed>) = 4 [pid 5266] setpgid(0, 0 [pid 5265] set_robust_list(0x5555556096a0, 24 [pid 5264] set_robust_list(0x5555556096a0, 24 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] <... set_robust_list resumed>) = 0 [pid 5267] close(3 [pid 5266] <... setpgid resumed>) = 0 [pid 5269] <... prctl resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5269] setpgid(0, 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... openat resumed>) = 3 [pid 5269] <... setpgid resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5266] write(3, "1000", 4 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] <... prctl resumed>) = 0 [pid 5267] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5266] <... write resumed>) = 4 [pid 5269] <... openat resumed>) = 3 [pid 5268] setpgid(0, 0 [pid 5267] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5266] close(3 [pid 5265] <... prctl resumed>) = 0 [pid 5264] <... prctl resumed>) = 0 [pid 5269] write(3, "1000", 4 [pid 5267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5266] <... close resumed>) = 0 [pid 5269] <... write resumed>) = 4 [pid 5268] <... setpgid resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] close(3 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5266] <... futex resumed>) = 0 [pid 5265] setpgid(0, 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5264] setpgid(0, 0 [pid 5269] <... close resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5267] <... mmap resumed>) = 0x7fb652e3d000 [pid 5266] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5265] <... setpgid resumed>) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5269] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] write(3, "1000", 4 [pid 5267] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5266] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... write resumed>) = 4 [pid 5267] <... mprotect resumed>) = 0 [pid 5266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5268] close(3 [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... openat resumed>) = 3 [pid 5269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5268] <... close resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5265] write(3, "1000", 4 [pid 5264] <... openat resumed>) = 3 [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5268] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5266] <... mmap resumed>) = 0x7fb652e3d000 [pid 5265] <... write resumed>) = 4 [pid 5264] write(3, "1000", 4 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5266] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5265] close(3 [pid 5264] <... write resumed>) = 4 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5267] <... clone3 resumed> => {parent_tid=[5270]}, 88) = 5270 [pid 5266] <... mprotect resumed>) = 0 [pid 5265] <... close resumed>) = 0 [pid 5264] close(3 [pid 5269] <... mmap resumed>) = 0x7fb652e3d000 [pid 5268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5265] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... close resumed>) = 0 [pid 5269] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5264] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... mprotect resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5264] <... futex resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] <... futex resumed>) = 0 [pid 5265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5264] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, ./strace-static-x86_64: Process 5270 attached [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5268] <... mmap resumed>) = 0x7fb652e3d000 [pid 5267] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5266] <... clone3 resumed> => {parent_tid=[5271]}, 88) = 5271 [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5270] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5268] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5270] <... rseq resumed>) = 0 [pid 5268] <... mprotect resumed>) = 0 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] set_robust_list(0x7fb652e5d9a0, 24 [pid 5269] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5266] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5266] <... futex resumed>) = 0 [pid 5265] <... mmap resumed>) = 0x7fb652e3d000 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5266] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5265] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5264] <... mmap resumed>) = 0x7fb652e3d000 [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5272 attached [pid 5270] memfd_create("syzkaller", 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5265] <... mprotect resumed>) = 0 [pid 5264] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5272] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5270] <... memfd_create resumed>) = 3 [pid 5269] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] <... rseq resumed>) = 0 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] <... mprotect resumed>) = 0 [pid 5272] set_robust_list(0x7fb652e5d9a0, 24 [pid 5270] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5268] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5273 attached ./strace-static-x86_64: Process 5271 attached [pid 5272] <... set_robust_list resumed>) = 0 [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"..., 2097152 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5272] memfd_create("syzkaller", 0 [pid 5273] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5271] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5268] <... futex resumed>) = 0 [pid 5264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5272] <... memfd_create resumed>) = 3 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5273] <... rseq resumed>) = 0 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5271] <... rseq resumed>) = 0 [pid 5273] set_robust_list(0x7fb652e5d9a0, 24 [pid 5272] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5271] set_robust_list(0x7fb652e5d9a0, 24 [pid 5268] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5265] <... clone3 resumed> => {parent_tid=[5274]}, 88) = 5274 [pid 5264] <... clone3 resumed> => {parent_tid=[5275]}, 88) = 5275 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5271] <... set_robust_list resumed>) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5274 attached [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5273] memfd_create("syzkaller", 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"..., 2097152 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5275 attached [pid 5264] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5275] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5274] <... rseq resumed>) = 0 [pid 5273] <... memfd_create resumed>) = 3 [pid 5271] memfd_create("syzkaller", 0 [pid 5265] <... futex resumed>) = 0 [pid 5275] <... rseq resumed>) = 0 [pid 5275] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5275] memfd_create("syzkaller", 0 [pid 5274] set_robust_list(0x7fb652e5d9a0, 24 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5271] <... memfd_create resumed>) = 3 [pid 5265] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5275] <... memfd_create resumed>) = 3 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5273] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5271] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5274] memfd_create("syzkaller", 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"..., 2097152 [pid 5274] <... memfd_create resumed>) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5272] <... write resumed>) = 2097152 [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"..., 2097152 [pid 5272] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5270] <... write resumed>) = 2097152 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5274] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5272] ioctl(4, LOOP_CLR_FD [pid 5270] munmap(0x7fb64aa3d000, 2097152 [pid 5272] <... ioctl resumed>) = 0 [pid 5270] <... munmap resumed>) = 0 [pid 5272] ioctl(4, LOOP_SET_FD, 3 [pid 5270] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5272] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5270] <... openat resumed>) = 4 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] close(4) = 0 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] close(4) = 0 [pid 5270] close(3 [pid 5272] close(3 [pid 5271] <... write resumed>) = 2097152 [pid 5273] <... write resumed>) = 2097152 [pid 5275] <... write resumed>) = 2097152 [pid 5272] <... close resumed>) = 0 [pid 5271] munmap(0x7fb64aa3d000, 2097152 [pid 5270] <... close resumed>) = 0 [pid 5270] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] munmap(0x7fb64aa3d000, 2097152 [pid 5272] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5275] munmap(0x7fb64aa3d000, 2097152 [pid 5273] <... munmap resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5271] <... munmap resumed>) = 0 [pid 5270] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5269] <... futex resumed>) = 0 [pid 5267] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... munmap resumed>) = 0 [pid 5272] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5271] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5269] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5273] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5269] <... futex resumed>) = 0 [pid 5267] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... openat resumed>) = 4 [pid 5269] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5271] <... openat resumed>) = 4 [pid 5275] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5273] ioctl(4, LOOP_CLR_FD [pid 5271] ioctl(4, LOOP_SET_FD, 3 [pid 5273] <... ioctl resumed>) = 0 [pid 5271] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5271] ioctl(4, LOOP_CLR_FD) = 0 [pid 5275] <... openat resumed>) = 4 [pid 5273] ioctl(4, LOOP_SET_FD, 3 [pid 5275] ioctl(4, LOOP_SET_FD, 3 [pid 5273] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5273] close(4 [pid 5275] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5273] <... close resumed>) = 0 [pid 5271] ioctl(4, LOOP_SET_FD, 3 [pid 5273] close(3 [pid 5275] ioctl(4, LOOP_CLR_FD [pid 5271] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5275] <... ioctl resumed>) = 0 [pid 5274] <... write resumed>) = 2097152 [pid 5271] close(4 [pid 5274] munmap(0x7fb64aa3d000, 2097152 [pid 5271] <... close resumed>) = 0 [pid 5275] ioctl(4, LOOP_SET_FD, 3 [pid 5274] <... munmap resumed>) = 0 [pid 5271] close(3 [pid 5275] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5274] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5275] close(4 [pid 5274] <... openat resumed>) = 4 [pid 5271] <... close resumed>) = 0 [pid 5275] <... close resumed>) = 0 [pid 5274] ioctl(4, LOOP_SET_FD, 3 [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5275] close(3 [pid 5274] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... close resumed>) = 0 [pid 5269] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5274] ioctl(4, LOOP_CLR_FD [pid 5273] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5267] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5274] <... ioctl resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5269] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5268] <... futex resumed>) = 0 [pid 5267] <... mprotect resumed>) = 0 [pid 5273] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... mprotect resumed>) = 0 [pid 5268] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5271] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] <... futex resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5275] <... close resumed>) = 0 [pid 5274] ioctl(4, LOOP_SET_FD, 3 [pid 5273] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5271] <... futex resumed>) = 1 [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5268] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5266] <... futex resumed>) = 0 [pid 5275] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5271] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5266] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = 1 [pid 5274] close(4 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5267] <... clone3 resumed> => {parent_tid=[5276]}, 88) = 5276 [pid 5266] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5276 attached [pid 5275] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] <... close resumed>) = 0 [pid 5271] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5269] <... clone3 resumed> => {parent_tid=[5277]}, 88) = 5277 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5277 attached [pid 5276] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] close(3 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5277] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5276] <... rseq resumed>) = 0 [pid 5275] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... rseq resumed>) = 0 [pid 5269] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5277] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5269] <... futex resumed>) = 0 [pid 5267] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... set_robust_list resumed>) = 0 [pid 5269] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5277] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5276] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5276] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5274] <... close resumed>) = 0 [pid 5274] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5274] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5274] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5265] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5268] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5268] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5266] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5266] <... futex resumed>) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5266] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5264] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... clone3 resumed> => {parent_tid=[5278]}, 88) = 5278 [pid 5267] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5264] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] <... futex resumed>) = 0 [pid 5266] <... mprotect resumed>) = 0 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5278 attached [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5264] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5269] <... mmap resumed>) = 0x7fb64abfb000 [pid 5267] <... mmap resumed>) = 0x7fb64abfb000 [pid 5266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5269] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5267] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5264] <... mprotect resumed>) = 0 [pid 5278] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5269] <... mprotect resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] <... mprotect resumed>) = 0 [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] <... rseq resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5266] <... clone3 resumed> => {parent_tid=[5279]}, 88) = 5279 [pid 5265] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5278] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... futex resumed>) = 0 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5279 attached [pid 5278] <... set_robust_list resumed>) = 0 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5268] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5279] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5264] <... clone3 resumed> => {parent_tid=[5280]}, 88) = 5280 [pid 5279] <... rseq resumed>) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... clone3 resumed> => {parent_tid=[5281]}, 88) = 5281 [pid 5267] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5266] <... futex resumed>) = 0 [pid 5265] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5264] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5282 attached ./strace-static-x86_64: Process 5281 attached ./strace-static-x86_64: Process 5280 attached [pid 5279] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5278] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... mprotect resumed>) = 0 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5281] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5280] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5264] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... rseq resumed>) = 0 [pid 5281] <... rseq resumed>) = 0 [pid 5280] <... rseq resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5282] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5281] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5280] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5264] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... clone3 resumed> => {parent_tid=[5283]}, 88) = 5283 ./strace-static-x86_64: Process 5283 attached [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5282] ftruncate(-1, 33587195 [pid 5281] ftruncate(-1, 33587195 [pid 5280] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] <... rseq resumed>) = 0 [pid 5282] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5283] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5283] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5282] sendfile(-1, -1, NULL, 281474978811909 [pid 5281] sendfile(-1, -1, NULL, 281474978811909 [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5268] <... mmap resumed>) = 0x7fb64abfb000 [pid 5267] <... futex resumed>) = 0 [pid 5282] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5281] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5281] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5268] <... mprotect resumed>) = 0 [pid 5266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5266] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 0 [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5266] <... mmap resumed>) = 0x7fb64abfb000 [pid 5282] lseek(-1, 257, SEEK_SET [pid 5281] lseek(-1, 257, SEEK_SET [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... clone3 resumed> => {parent_tid=[5284]}, 88) = 5284 [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5284 attached [pid 5282] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5281] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] <... mprotect resumed>) = 0 [pid 5264] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5264] <... futex resumed>) = 0 [pid 5284] <... rseq resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5284] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5264] <... mmap resumed>) = 0x7fb64abfb000 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = 0 [pid 5264] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] getdents64(-1, [pid 5281] getdents64(-1, [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... clone3 resumed> => {parent_tid=[5285]}, 88) = 5285 [pid 5264] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5285 attached [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5281] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5285] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5284] ftruncate(-1, 33587195 [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5285] <... rseq resumed>) = 0 [pid 5284] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... futex resumed>) = 1 [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5285] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5284] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... clone3 resumed> => {parent_tid=[5286]}, 88) = 5286 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5282] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5281] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5269] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5286 attached [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] <... openat resumed>) = 5 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5285] ftruncate(-1, 33587195 [pid 5284] sendfile(-1, -1, NULL, 281474978811909 [pid 5282] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... openat resumed>) = 5 [pid 5268] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... rseq resumed>) = 0 [pid 5285] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5282] <... futex resumed>) = 1 [pid 5281] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = 0 [pid 5265] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5286] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5281] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5268] <... futex resumed>) = 0 [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... mmap resumed>) = 0x7fb64abfb000 [pid 5286] ftruncate(-1, 33587195 [pid 5285] sendfile(-1, -1, NULL, 281474978811909 [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5286] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... futex resumed>) = 0 [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... mprotect resumed>) = 0 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] lseek(-1, 257, SEEK_SET [pid 5268] <... futex resumed>) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 1 [pid 5284] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 0 [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5264] <... futex resumed>) = 0 [pid 5286] sendfile(-1, -1, NULL, 281474978811909 [pid 5285] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5284] getdents64(-1, [pid 5268] <... futex resumed>) = 0 [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5284] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] <... clone3 resumed> => {parent_tid=[5287]}, 88) = 5287 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 1 [pid 5284] <... futex resumed>) = 0 [pid 5268] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5287 attached [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5268] <... futex resumed>) = 0 [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... openat resumed>) = 5 [pid 5268] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... rseq resumed>) = 0 [pid 5286] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5285] lseek(-1, 257, SEEK_SET [pid 5284] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5286] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5285] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5284] <... futex resumed>) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] ftruncate(-1, 33587195 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] lseek(-1, 257, SEEK_SET [pid 5285] getdents64(-1, [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5285] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5287] <... futex resumed>) = 1 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 0 [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5266] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] sendfile(-1, -1, NULL, 281474978811909 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... openat resumed>) = 5 [pid 5266] <... futex resumed>) = 0 [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... futex resumed>) = 0 [pid 5287] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5286] getdents64(-1, [pid 5285] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5285] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... futex resumed>) = 1 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = 1 [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5264] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... futex resumed>) = 0 [pid 5287] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5286] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5264] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... openat resumed>) = 5 [pid 5287] <... futex resumed>) = 1 [pid 5286] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = 1 [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5287] lseek(-1, 257, SEEK_SET [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5287] getdents64(-1, [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5287] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5265] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... openat resumed>) = 5 [pid 5287] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5287] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... open resumed>) = 4 [pid 5276] <... open resumed>) = 4 [pid 5275] <... open resumed>) = 3 [pid 5273] <... open resumed>) = 3 [pid 5274] <... open resumed>) = 3 [pid 5272] <... open resumed>) = 3 [pid 5271] <... open resumed>) = 3 [pid 5283] <... open resumed>) = 4 [pid 5280] <... open resumed>) = 4 [pid 5279] <... open resumed>) = 4 [pid 5278] <... open resumed>) = 4 [pid 5270] <... open resumed>) = 3 [pid 5280] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] exit_group(0 [pid 5264] exit_group(0 [pid 5286] <... futex resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5283] <... futex resumed>) = 0 [pid 5279] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] <... futex resumed>) = ? [pid 5277] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] <... futex resumed>) = 0 [pid 5271] <... futex resumed>) = 0 [pid 5268] <... exit_group resumed>) = ? [pid 5270] <... futex resumed>) = 0 [pid 5266] exit_group(0 [pid 5265] exit_group(0 [pid 5264] <... exit_group resumed>) = ? [pid 5287] <... futex resumed>) = ? [pid 5286] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5279] <... futex resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5274] <... futex resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... exit_group resumed>) = ? [pid 5265] <... exit_group resumed>) = ? [pid 5287] +++ exited with 0 +++ [pid 5285] <... futex resumed>) = ? [pid 5283] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5274] +++ exited with 0 +++ [pid 5271] +++ exited with 0 +++ [pid 5270] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] exit_group(0 [pid 5268] +++ exited with 0 +++ [pid 5267] exit_group(0 [pid 5265] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5285] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ [pid 5025] <... restart_syscall resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5282] <... futex resumed>) = ? [pid 5276] <... futex resumed>) = ? [pid 5267] <... exit_group resumed>) = ? [pid 5281] <... futex resumed>) = ? [pid 5277] <... futex resumed>) = ? [pid 5269] <... exit_group resumed>) = ? [pid 5272] <... futex resumed>) = ? [pid 5282] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5019] <... openat resumed>) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5019] <... ioctl resumed>) = 0 [pid 5269] +++ exited with 0 +++ [pid 5025] <... openat resumed>) = 3 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] close(3 [pid 5270] <... futex resumed>) = ? [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] <... openat resumed>) = 3 [pid 5021] <... openat resumed>) = 3 [pid 5019] <... close resumed>) = 0 [pid 5270] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5025] <... ioctl resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5025] close(3 [pid 5022] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5022] close(3 [pid 5021] close(3 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5288 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... close resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5027] <... openat resumed>) = 3 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... openat resumed>) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5289 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... close resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] close(3 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5290 [pid 5027] <... close resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5291 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5292 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5289 attached ./strace-static-x86_64: Process 5291 attached ./strace-static-x86_64: Process 5288 attached [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5293 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5289] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5293 attached [pid 5291] set_robust_list(0x5555556096a0, 24 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5292 attached [pid 5293] set_robust_list(0x5555556096a0, 24 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5290] <... prctl resumed>) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] <... set_robust_list resumed>) = 0 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] set_robust_list(0x5555556096a0, 24 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] setpgid(0, 0 [pid 5289] <... prctl resumed>) = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] <... prctl resumed>) = 0 [pid 5290] <... setpgid resumed>) = 0 [pid 5293] <... prctl resumed>) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5291] setpgid(0, 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5289] setpgid(0, 0 [pid 5288] <... prctl resumed>) = 0 [pid 5293] setpgid(0, 0 [pid 5292] <... prctl resumed>) = 0 [pid 5291] <... setpgid resumed>) = 0 [pid 5290] <... openat resumed>) = 3 [pid 5289] <... setpgid resumed>) = 0 [pid 5288] setpgid(0, 0 [pid 5293] <... setpgid resumed>) = 0 [pid 5292] setpgid(0, 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5290] write(3, "1000", 4 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] <... setpgid resumed>) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] <... setpgid resumed>) = 0 [pid 5291] <... openat resumed>) = 3 [pid 5290] <... write resumed>) = 4 [pid 5289] <... openat resumed>) = 3 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5293] <... openat resumed>) = 3 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] write(3, "1000", 4 [pid 5290] close(3 [pid 5289] write(3, "1000", 4 [pid 5288] <... openat resumed>) = 3 [pid 5293] write(3, "1000", 4 [pid 5292] <... openat resumed>) = 3 [pid 5291] <... write resumed>) = 4 [pid 5290] <... close resumed>) = 0 [pid 5289] <... write resumed>) = 4 [pid 5288] write(3, "1000", 4 [pid 5293] <... write resumed>) = 4 [pid 5292] write(3, "1000", 4 [pid 5291] close(3 [pid 5290] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] close(3 [pid 5288] <... write resumed>) = 4 [pid 5293] close(3 [pid 5292] <... write resumed>) = 4 [pid 5291] <... close resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... close resumed>) = 0 [pid 5288] close(3 [pid 5293] <... close resumed>) = 0 [pid 5292] close(3 [pid 5291] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5289] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... close resumed>) = 0 [pid 5293] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... close resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 0 [pid 5292] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5289] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5288] <... futex resumed>) = 0 [pid 5293] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5292] <... futex resumed>) = 0 [pid 5291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5288] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5292] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... mmap resumed>) = 0x7fb652e3d000 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5290] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... mmap resumed>) = 0x7fb652e3d000 [pid 5290] <... mprotect resumed>) = 0 [pid 5289] <... mmap resumed>) = 0x7fb652e3d000 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5293] <... mmap resumed>) = 0x7fb652e3d000 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5291] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5288] <... mmap resumed>) = 0x7fb652e3d000 [pid 5293] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5292] <... mmap resumed>) = 0x7fb652e3d000 [pid 5291] <... mprotect resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5292] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5289] <... mprotect resumed>) = 0 [pid 5288] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5293] <... mprotect resumed>) = 0 [pid 5292] <... mprotect resumed>) = 0 [pid 5291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5290] <... clone3 resumed> => {parent_tid=[5294]}, 88) = 5294 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5288] <... mprotect resumed>) = 0 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5290] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5292] <... clone3 resumed> => {parent_tid=[5295]}, 88) = 5295 [pid 5290] <... futex resumed>) = 0 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... clone3 resumed> => {parent_tid=[5296]}, 88) = 5296 [pid 5290] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5289] <... clone3 resumed> => {parent_tid=[5297]}, 88) = 5297 ./strace-static-x86_64: Process 5294 attached [pid 5293] <... clone3 resumed> => {parent_tid=[5298]}, 88) = 5298 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] <... clone3 resumed> => {parent_tid=[5299]}, 88) = 5299 ./strace-static-x86_64: Process 5298 attached ./strace-static-x86_64: Process 5296 attached [pid 5294] <... rseq resumed>) = 0 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] <... futex resumed>) = 0 [pid 5291] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5296] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5294] set_robust_list(0x7fb652e5d9a0, 24 [pid 5293] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5291] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... rseq resumed>) = 0 [pid 5296] <... rseq resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] <... futex resumed>) = 0 [pid 5291] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5299 attached [pid 5298] set_robust_list(0x7fb652e5d9a0, 24 [pid 5296] set_robust_list(0x7fb652e5d9a0, 24 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5288] <... futex resumed>) = 0 [pid 5299] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5297 attached [pid 5299] <... rseq resumed>) = 0 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] memfd_create("syzkaller", 0 [pid 5299] set_robust_list(0x7fb652e5d9a0, 24 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5294] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5295 attached [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] memfd_create("syzkaller", 0 [pid 5297] <... rseq resumed>) = 0 [pid 5296] memfd_create("syzkaller", 0 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] <... memfd_create resumed>) = 3 [pid 5297] set_robust_list(0x7fb652e5d9a0, 24 [pid 5296] <... memfd_create resumed>) = 3 [pid 5295] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5294] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5295] <... rseq resumed>) = 0 [pid 5299] memfd_create("syzkaller", 0 [pid 5298] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5296] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5299] <... memfd_create resumed>) = 3 [pid 5298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [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"..., 2097152 [pid 5295] set_robust_list(0x7fb652e5d9a0, 24 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5299] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5297] memfd_create("syzkaller", 0 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... memfd_create resumed>) = 3 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5295] memfd_create("syzkaller", 0 [pid 5297] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5295] <... memfd_create resumed>) = 3 [pid 5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [pid 5295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5296] <... write resumed>) = 2097152 [pid 5296] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] ioctl(4, LOOP_CLR_FD [pid 5298] <... write resumed>) = 2097152 [pid 5296] <... ioctl resumed>) = 0 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] close(4) = 0 [pid 5296] close(3 [pid 5298] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5295] <... write resumed>) = 2097152 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] close(4 [pid 5297] <... write resumed>) = 2097152 [pid 5296] <... close resumed>) = 0 [pid 5294] <... write resumed>) = 2097152 [pid 5298] <... close resumed>) = 0 [pid 5298] close(3 [pid 5296] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] munmap(0x7fb64aa3d000, 2097152 [pid 5291] <... futex resumed>) = 0 [pid 5291] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5291] <... futex resumed>) = 1 [pid 5291] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5299] <... write resumed>) = 2097152 [pid 5298] <... close resumed>) = 0 [pid 5297] <... munmap resumed>) = 0 [pid 5295] munmap(0x7fb64aa3d000, 2097152 [pid 5294] munmap(0x7fb64aa3d000, 2097152 [pid 5299] munmap(0x7fb64aa3d000, 2097152 [pid 5298] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... munmap resumed>) = 0 [pid 5294] <... munmap resumed>) = 0 [pid 5298] <... futex resumed>) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5299] <... munmap resumed>) = 0 [pid 5293] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5297] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5293] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... openat resumed>) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5294] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5295] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5297] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5294] <... openat resumed>) = 4 [pid 5297] ioctl(4, LOOP_CLR_FD [pid 5299] <... openat resumed>) = 4 [pid 5297] <... ioctl resumed>) = 0 [pid 5295] <... openat resumed>) = 4 [pid 5299] ioctl(4, LOOP_SET_FD, 3 [pid 5295] ioctl(4, LOOP_SET_FD, 3 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5299] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5295] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5295] ioctl(4, LOOP_CLR_FD [pid 5294] ioctl(4, LOOP_CLR_FD [pid 5299] ioctl(4, LOOP_CLR_FD [pid 5294] <... ioctl resumed>) = 0 [pid 5295] <... ioctl resumed>) = 0 [pid 5299] <... ioctl resumed>) = 0 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5297] close(4) = 0 [pid 5297] close(3 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5295] ioctl(4, LOOP_SET_FD, 3 [pid 5294] ioctl(4, LOOP_SET_FD, 3 [pid 5299] close(4 [pid 5295] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5294] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5299] <... close resumed>) = 0 [pid 5295] close(4 [pid 5294] close(4 [pid 5291] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] close(3 [pid 5295] <... close resumed>) = 0 [pid 5294] <... close resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5297] <... close resumed>) = 0 [pid 5295] close(3 [pid 5294] close(3 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5291] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5291] <... clone3 resumed> => {parent_tid=[5300]}, 88) = 5300 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5291] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... close resumed>) = 0 [pid 5293] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5300 attached [pid 5297] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5300] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5299] <... close resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5293] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5289] <... futex resumed>) = 0 [pid 5300] <... rseq resumed>) = 0 [pid 5299] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... close resumed>) = 0 [pid 5294] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... mprotect resumed>) = 0 [pid 5289] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5299] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 1 [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5295] <... futex resumed>) = 1 [pid 5294] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5292] <... futex resumed>) = 0 [pid 5290] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5292] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5292] <... futex resumed>) = 0 [pid 5290] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5295] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5293] <... clone3 resumed> => {parent_tid=[5301]}, 88) = 5301 [pid 5292] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5301 attached ) = 0 [pid 5301] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5293] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5301] <... rseq resumed>) = 0 [pid 5291] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5291] <... futex resumed>) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... mmap resumed>) = 0x7fb64abfb000 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5301] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5291] <... mprotect resumed>) = 0 [pid 5291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5302]}, 88) = 5302 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5302 attached [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5291] <... futex resumed>) = 0 [pid 5302] <... rseq resumed>) = 0 [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5302] ftruncate(-1, 33587195 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5302] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5289] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5302] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5291] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... mprotect resumed>) = 0 [pid 5288] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5288] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] <... futex resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5290] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5302] sendfile(-1, -1, NULL, 281474978811909 [pid 5293] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5288] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5302] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] <... futex resumed>) = 0 [pid 5292] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5290] <... mprotect resumed>) = 0 [pid 5288] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5303 attached [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5292] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] <... clone3 resumed> => {parent_tid=[5303]}, 88) = 5303 [pid 5288] <... mprotect resumed>) = 0 [pid 5303] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5302] <... futex resumed>) = 1 [pid 5293] <... mmap resumed>) = 0x7fb64abfb000 [pid 5292] <... mprotect resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5303] <... rseq resumed>) = 0 [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5303] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... mprotect resumed>) = 0 [pid 5292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5289] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... clone3 resumed> => {parent_tid=[5304]}, 88) = 5304 [pid 5289] <... futex resumed>) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... clone3 resumed> => {parent_tid=[5305]}, 88) = 5305 ./strace-static-x86_64: Process 5304 attached [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5292] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5303] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5302] <... futex resumed>) = 1 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... futex resumed>) = 0 [pid 5290] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5306 attached [pid 5304] <... rseq resumed>) = 0 [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... clone3 resumed> => {parent_tid=[5307]}, 88) = 5307 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5288] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = 0 [pid 5290] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] <... futex resumed>) = 0 [pid 5306] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5305 attached ) = 0 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5302] lseek(-1, 257, SEEK_SET [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] <... futex resumed>) = 0 [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5307 attached [pid 5306] <... set_robust_list resumed>) = 0 [pid 5305] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 0 [pid 5307] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5304] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5302] <... futex resumed>) = 1 [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... futex resumed>) = 0 [pid 5307] <... rseq resumed>) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] <... rseq resumed>) = 0 [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] <... futex resumed>) = 0 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5305] <... set_robust_list resumed>) = 0 [pid 5302] getdents64(-1, [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] ftruncate(-1, 33587195 [pid 5305] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5302] <... futex resumed>) = 1 [pid 5291] <... futex resumed>) = 0 [pid 5307] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] <... futex resumed>) = 0 [pid 5307] <... futex resumed>) = 1 [pid 5302] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5293] <... futex resumed>) = 0 [pid 5291] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... openat resumed>) = 5 [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 0 [pid 5307] sendfile(-1, -1, NULL, 281474978811909 [pid 5302] <... futex resumed>) = 1 [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... futex resumed>) = 0 [pid 5307] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5302] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 0 [pid 5307] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 0 [pid 5307] lseek(-1, 257, SEEK_SET [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 0 [pid 5307] getdents64(-1, [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 0 [pid 5307] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5293] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... openat resumed>) = 5 [pid 5307] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] <... futex resumed>) = 0 [pid 5307] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5289] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5290] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5290] <... futex resumed>) = 0 [pid 5289] <... mprotect resumed>) = 0 [pid 5288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5292] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5288] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... mmap resumed>) = 0x7fb64abfb000 [pid 5289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5290] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5292] <... mmap resumed>) = 0x7fb64abfb000 [pid 5290] <... mprotect resumed>) = 0 [pid 5288] <... mmap resumed>) = 0x7fb64abfb000 [pid 5292] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] <... clone3 resumed> => {parent_tid=[5308]}, 88) = 5308 [pid 5288] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5308 attached [pid 5292] <... mprotect resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] <... mprotect resumed>) = 0 [pid 5308] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5308] <... rseq resumed>) = 0 [pid 5292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5308] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5290] <... clone3 resumed> => {parent_tid=[5309]}, 88) = 5309 [pid 5289] <... futex resumed>) = 0 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0}./strace-static-x86_64: Process 5309 attached [pid 5308] <... set_robust_list resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... clone3 resumed> => {parent_tid=[5310]}, 88) = 5310 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 ./strace-static-x86_64: Process 5311 attached ./strace-static-x86_64: Process 5310 attached [pid 5309] <... rseq resumed>) = 0 [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5310] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5309] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5308] ftruncate(-1, 33587195 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... rseq resumed>) = 0 [pid 5310] <... rseq resumed>) = 0 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5310] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] <... futex resumed>) = 0 [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] ftruncate(-1, 33587195 [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5311] ftruncate(-1, 33587195 [pid 5310] ftruncate(-1, 33587195 [pid 5309] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] sendfile(-1, -1, NULL, 281474978811909 [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] <... futex resumed>) = 1 [pid 5308] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] sendfile(-1, -1, NULL, 281474978811909 [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] sendfile(-1, -1, NULL, 281474978811909 [pid 5310] sendfile(-1, -1, NULL, 281474978811909 [pid 5309] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] <... futex resumed>) = 1 [pid 5308] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5310] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5309] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] lseek(-1, 257, SEEK_SET [pid 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5310] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5309] <... futex resumed>) = 1 [pid 5308] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] lseek(-1, 257, SEEK_SET [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] lseek(-1, 257, SEEK_SET [pid 5310] lseek(-1, 257, SEEK_SET [pid 5309] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] getdents64(-1, [pid 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5310] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5309] <... futex resumed>) = 1 [pid 5308] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] getdents64(-1, [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] getdents64(-1, [pid 5310] getdents64(-1, [pid 5309] futex(0x7fb652f286ec, 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 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5310] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5309] <... futex resumed>) = 1 [pid 5308] <... openat resumed>) = 5 [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5308] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5308] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5308] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... openat resumed>) = 5 [pid 5292] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5310] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5309] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... openat resumed>) = 5 [pid 5310] <... openat resumed>) = 5 [pid 5309] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5311] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] <... open resumed>) = 4 [pid 5305] <... open resumed>) = 4 [pid 5304] <... open resumed>) = 4 [pid 5303] <... open resumed>) = 4 [pid 5301] <... open resumed>) = 4 [pid 5300] <... open resumed>) = 4 [pid 5299] <... open resumed>) = 3 [pid 5298] <... open resumed>) = 3 [pid 5297] <... open resumed>) = 3 [pid 5296] <... open resumed>) = 3 [pid 5295] <... open resumed>) = 3 [pid 5294] <... open resumed>) = 3 [pid 5306] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5298] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5293] exit_group(0 [pid 5291] exit_group(0 [pid 5305] <... futex resumed>) = 0 [pid 5304] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] <... futex resumed>) = ? [pid 5301] <... futex resumed>) = ? [pid 5300] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 5299] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5294] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... exit_group resumed>) = ? [pid 5302] <... futex resumed>) = ? [pid 5307] +++ exited with 0 +++ [pid 5306] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5298] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5291] <... exit_group resumed>) = ? [pid 5290] exit_group(0 [pid 5288] exit_group(0 [pid 5311] <... futex resumed>) = ? [pid 5309] <... futex resumed>) = ? [pid 5304] <... futex resumed>) = ? [pid 5299] <... futex resumed>) = ? [pid 5294] <... futex resumed>) = ? [pid 5290] <... exit_group resumed>) = ? [pid 5288] <... exit_group resumed>) = ? [pid 5311] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5305] <... futex resumed>) = ? [pid 5304] +++ exited with 0 +++ [pid 5302] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5292] exit_group(0 [pid 5291] +++ exited with 0 +++ [pid 5290] +++ exited with 0 +++ [pid 5289] exit_group(0 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5295] <... futex resumed>) = ? [pid 5292] <... exit_group resumed>) = ? [pid 5027] <... restart_syscall resumed>) = 0 [pid 5310] <... futex resumed>) = ? [pid 5308] <... futex resumed>) = ? [pid 5306] <... futex resumed>) = ? [pid 5305] +++ exited with 0 +++ [pid 5303] <... futex resumed>) = ? [pid 5297] <... futex resumed>) = ? [pid 5295] +++ exited with 0 +++ [pid 5289] <... exit_group resumed>) = ? [pid 5288] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5308] +++ exited with 0 +++ [pid 5303] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5021] <... openat resumed>) = 3 [pid 5289] +++ exited with 0 +++ [pid 5027] <... ioctl resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5027] close(3 [pid 5021] <... ioctl resumed>) = 0 [pid 5306] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ [pid 5027] <... close resumed>) = 0 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... restart_syscall resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5019] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] close(3 [pid 5019] close(3 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... openat resumed>) = 3 [pid 5022] <... close resumed>) = 0 [pid 5021] close(3 [pid 5019] <... close resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... ioctl resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5312 [pid 5025] close(3 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5313 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5314 ./strace-static-x86_64: Process 5312 attached [pid 5025] <... close resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5312] set_robust_list(0x5555556096a0, 24 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] close(3./strace-static-x86_64: Process 5314 attached [pid 5312] <... set_robust_list resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5315 [pid 5020] <... close resumed>) = 0 [pid 5314] set_robust_list(0x5555556096a0, 24 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5316 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5314] <... set_robust_list resumed>) = 0 [pid 5312] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5316 attached ./strace-static-x86_64: Process 5313 attached [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] setpgid(0, 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5317 ./strace-static-x86_64: Process 5315 attached [pid 5316] set_robust_list(0x5555556096a0, 24 [pid 5314] <... prctl resumed>) = 0 [pid 5313] set_robust_list(0x5555556096a0, 24 [pid 5312] <... setpgid resumed>) = 0 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] set_robust_list(0x5555556096a0, 24 [pid 5314] setpgid(0, 0 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5317 attached [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] <... setpgid resumed>) = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] <... openat resumed>) = 3 [pid 5317] set_robust_list(0x5555556096a0, 24 [pid 5316] <... prctl resumed>) = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... prctl resumed>) = 0 [pid 5312] write(3, "1000", 4 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5316] setpgid(0, 0 [pid 5315] <... prctl resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5313] setpgid(0, 0 [pid 5312] <... write resumed>) = 4 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5316] <... setpgid resumed>) = 0 [pid 5315] setpgid(0, 0 [pid 5314] write(3, "1000", 4 [pid 5313] <... setpgid resumed>) = 0 [pid 5312] close(3 [pid 5317] <... prctl resumed>) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] <... setpgid resumed>) = 0 [pid 5314] <... write resumed>) = 4 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] <... close resumed>) = 0 [pid 5317] setpgid(0, 0 [pid 5316] <... openat resumed>) = 3 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] close(3 [pid 5313] <... openat resumed>) = 3 [pid 5312] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... setpgid resumed>) = 0 [pid 5316] write(3, "1000", 4 [pid 5315] <... openat resumed>) = 3 [pid 5314] <... close resumed>) = 0 [pid 5313] write(3, "1000", 4 [pid 5312] <... futex resumed>) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5316] <... write resumed>) = 4 [pid 5315] write(3, "1000", 4 [pid 5314] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... write resumed>) = 4 [pid 5312] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5317] <... openat resumed>) = 3 [pid 5316] close(3 [pid 5315] <... write resumed>) = 4 [pid 5314] <... futex resumed>) = 0 [pid 5313] close(3 [pid 5312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5317] write(3, "1000", 4 [pid 5316] <... close resumed>) = 0 [pid 5315] close(3 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5313] <... close resumed>) = 0 [pid 5312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5317] <... write resumed>) = 4 [pid 5316] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... close resumed>) = 0 [pid 5314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5313] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] close(3 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5313] <... futex resumed>) = 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5317] <... close resumed>) = 0 [pid 5316] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5315] <... futex resumed>) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5312] <... mmap resumed>) = 0x7fb652e3d000 [pid 5317] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5315] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5312] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5317] <... futex resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5314] <... mmap resumed>) = 0x7fb652e3d000 [pid 5313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5312] <... mprotect resumed>) = 0 [pid 5317] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5314] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5317] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] <... mprotect resumed>) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5316] <... mmap resumed>) = 0x7fb652e3d000 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] <... mmap resumed>) = 0x7fb652e3d000 [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5315] <... mmap resumed>) = 0x7fb652e3d000 [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] <... mprotect resumed>) = 0 [pid 5315] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5313] <... mprotect resumed>) = 0 [pid 5312] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 ./strace-static-x86_64: Process 5318 attached [pid 5317] <... mmap resumed>) = 0x7fb652e3d000 [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] <... mprotect resumed>) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5312] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5319 attached [pid 5318] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5317] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] <... clone3 resumed> => {parent_tid=[5319]}, 88) = 5319 [pid 5313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5318] <... rseq resumed>) = 0 [pid 5317] <... mprotect resumed>) = 0 [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5312] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... rseq resumed>) = 0 [pid 5318] set_robust_list(0x7fb652e5d9a0, 24 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5319] set_robust_list(0x7fb652e5d9a0, 24 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5316] <... clone3 resumed> => {parent_tid=[5320]}, 88) = 5320 [pid 5314] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... clone3 resumed> => {parent_tid=[5321]}, 88) = 5321 [pid 5312] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5322 attached ./strace-static-x86_64: Process 5320 attached [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] <... clone3 resumed> => {parent_tid=[5322]}, 88) = 5322 [pid 5314] <... futex resumed>) = 0 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5321 attached [pid 5322] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5320] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5320] <... rseq resumed>) = 0 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] memfd_create("syzkaller", 0 [pid 5317] <... clone3 resumed> => {parent_tid=[5323]}, 88) = 5323 [pid 5316] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5313] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5323 attached [pid 5322] <... rseq resumed>) = 0 [pid 5321] <... rseq resumed>) = 0 [pid 5320] set_robust_list(0x7fb652e5d9a0, 24 [pid 5319] memfd_create("syzkaller", 0 [pid 5318] <... memfd_create resumed>) = 3 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] <... futex resumed>) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5323] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5322] set_robust_list(0x7fb652e5d9a0, 24 [pid 5321] set_robust_list(0x7fb652e5d9a0, 24 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... memfd_create resumed>) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5313] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5323] <... rseq resumed>) = 0 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5318] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5317] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] set_robust_list(0x7fb652e5d9a0, 24 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5317] <... futex resumed>) = 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] memfd_create("syzkaller", 0 [pid 5317] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] memfd_create("syzkaller", 0 [pid 5320] <... memfd_create resumed>) = 3 [pid 5315] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] memfd_create("syzkaller", 0 [pid 5321] <... memfd_create resumed>) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5323] memfd_create("syzkaller", 0 [pid 5322] <... memfd_create resumed>) = 3 [pid 5321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5320] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5323] <... memfd_create resumed>) = 3 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5321] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5322] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5323] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [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"..., 2097152 [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"..., 2097152 [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"..., 2097152 [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"..., 2097152 [pid 5323] <... write resumed>) = 2097152 [pid 5319] <... write resumed>) = 2097152 [pid 5321] <... write resumed>) = 2097152 [pid 5319] munmap(0x7fb64aa3d000, 2097152 [pid 5318] <... write resumed>) = 2097152 [pid 5321] munmap(0x7fb64aa3d000, 2097152 [pid 5319] <... munmap resumed>) = 0 [pid 5318] munmap(0x7fb64aa3d000, 2097152 [pid 5319] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5318] <... munmap resumed>) = 0 [pid 5321] <... munmap resumed>) = 0 [pid 5319] <... openat resumed>) = 4 [pid 5318] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5321] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5319] ioctl(4, LOOP_SET_FD, 3 [pid 5318] <... openat resumed>) = 4 [pid 5321] <... openat resumed>) = 4 [pid 5319] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5321] ioctl(4, LOOP_SET_FD, 3 [pid 5319] ioctl(4, LOOP_CLR_FD [pid 5318] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5321] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5319] <... ioctl resumed>) = 0 [pid 5318] ioctl(4, LOOP_CLR_FD [pid 5321] ioctl(4, LOOP_CLR_FD [pid 5318] <... ioctl resumed>) = 0 [pid 5322] <... write resumed>) = 2097152 [pid 5321] <... ioctl resumed>) = 0 [pid 5322] munmap(0x7fb64aa3d000, 2097152 [pid 5319] ioctl(4, LOOP_SET_FD, 3 [pid 5323] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5322] <... munmap resumed>) = 0 [pid 5319] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5320] <... write resumed>) = 2097152 [pid 5323] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5322] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5321] ioctl(4, LOOP_SET_FD, 3 [pid 5319] close(4 [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5320] munmap(0x7fb64aa3d000, 2097152 [pid 5322] <... openat resumed>) = 4 [pid 5321] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5319] <... close resumed>) = 0 [pid 5323] <... openat resumed>) = 4 [pid 5323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5323] ioctl(4, LOOP_CLR_FD) = 0 [pid 5323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5323] close(4) = 0 [pid 5323] close(3 [pid 5318] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5318] close(4) = 0 [pid 5318] close(3 [pid 5323] <... close resumed>) = 0 [pid 5322] ioctl(4, LOOP_SET_FD, 3 [pid 5321] close(4 [pid 5319] close(3 [pid 5322] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5321] <... close resumed>) = 0 [pid 5318] <... close resumed>) = 0 [pid 5323] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] ioctl(4, LOOP_CLR_FD [pid 5321] close(3 [pid 5320] <... munmap resumed>) = 0 [pid 5319] <... close resumed>) = 0 [pid 5318] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 1 [pid 5322] <... ioctl resumed>) = 0 [pid 5321] <... close resumed>) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5319] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5323] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] <... openat resumed>) = 4 [pid 5319] <... futex resumed>) = 1 [pid 5318] <... futex resumed>) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5319] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] <... futex resumed>) = 0 [pid 5320] ioctl(4, LOOP_CLR_FD [pid 5319] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5314] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] ioctl(4, LOOP_SET_FD, 3 [pid 5321] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... ioctl resumed>) = 0 [pid 5318] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 81.685991][ T7] cfg80211: failed to load regulatory.db [pid 5317] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5321] <... futex resumed>) = 1 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5322] close(4 [pid 5321] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5318] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5317] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... futex resumed>) = 0 [pid 5322] <... close resumed>) = 0 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] <... futex resumed>) = 0 [pid 5323] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5322] close(3 [pid 5321] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5313] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5320] close(4) = 0 [pid 5320] close(3 [pid 5314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5314] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5314] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5320] <... close resumed>) = 0 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5322] <... close resumed>) = 0 [pid 5314] <... clone3 resumed> => {parent_tid=[5324]}, 88) = 5324 ./strace-static-x86_64: Process 5324 attached [pid 5322] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5324] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5322] <... futex resumed>) = 1 [pid 5320] <... futex resumed>) = 1 [pid 5317] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... rseq resumed>) = 0 [pid 5322] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 0 [pid 5316] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5324] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5322] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5317] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5316] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5312] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5313] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5312] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... mprotect resumed>) = 0 [pid 5313] <... mprotect resumed>) = 0 [pid 5312] <... mprotect resumed>) = 0 [pid 5324] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5317] <... clone3 resumed> => {parent_tid=[5325]}, 88) = 5325 [pid 5313] <... clone3 resumed> => {parent_tid=[5326]}, 88) = 5326 [pid 5312] <... clone3 resumed> => {parent_tid=[5327]}, 88) = 5327 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5325 attached [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5327 attached [pid 5325] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5317] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5326 attached [pid 5327] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5325] <... rseq resumed>) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5327] <... rseq resumed>) = 0 [pid 5326] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5325] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5317] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5326] <... rseq resumed>) = 0 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5325] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5327] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5315] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5314] <... mmap resumed>) = 0x7fb64abfb000 [pid 5316] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5315] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5314] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5316] <... mprotect resumed>) = 0 [pid 5315] <... mprotect resumed>) = 0 [pid 5314] <... mprotect resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5316] <... clone3 resumed> => {parent_tid=[5328]}, 88) = 5328 [pid 5315] <... clone3 resumed> => {parent_tid=[5329]}, 88) = 5329 [pid 5314] <... clone3 resumed> => {parent_tid=[5330]}, 88) = 5330 ./strace-static-x86_64: Process 5328 attached [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5329 attached [pid 5328] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5328] <... rseq resumed>) = 0 [pid 5316] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5330 attached [pid 5329] <... rseq resumed>) = 0 [pid 5328] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5330] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5329] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5330] <... rseq resumed>) = 0 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5329] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5317] <... mmap resumed>) = 0x7fb64abfb000 [pid 5313] <... mmap resumed>) = 0x7fb64abfb000 [pid 5312] <... mmap resumed>) = 0x7fb64abfb000 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5313] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5312] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5330] ftruncate(-1, 33587195 [pid 5317] <... mprotect resumed>) = 0 [pid 5313] <... mprotect resumed>) = 0 [pid 5312] <... mprotect resumed>) = 0 [pid 5330] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5314] <... futex resumed>) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5331 attached [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... clone3 resumed> => {parent_tid=[5331]}, 88) = 5331 [pid 5314] <... futex resumed>) = 0 [pid 5313] <... clone3 resumed> => {parent_tid=[5332]}, 88) = 5332 [pid 5312] <... clone3 resumed> => {parent_tid=[5333]}, 88) = 5333 ./strace-static-x86_64: Process 5333 attached [pid 5331] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5330] sendfile(-1, -1, NULL, 281474978811909 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5331] <... rseq resumed>) = 0 [pid 5330] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5332 attached [pid 5333] <... rseq resumed>) = 0 [pid 5331] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5332] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] <... rseq resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] <... futex resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] ftruncate(-1, 33587195 [pid 5330] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] ftruncate(-1, 33587195 [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5333] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] ftruncate(-1, 33587195 [pid 5331] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5314] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5332] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 1 [pid 5331] sendfile(-1, -1, NULL, 281474978811909 [pid 5330] lseek(-1, 257, SEEK_SET [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5333] sendfile(-1, -1, NULL, 281474978811909 [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5316] <... mmap resumed>) = 0x7fb64abfb000 [pid 5315] <... mmap resumed>) = 0x7fb64abfb000 [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5315] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... futex resumed>) = 0 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] sendfile(-1, -1, NULL, 281474978811909 [pid 5331] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... mprotect resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... mprotect resumed>) = 0 [pid 5333] <... futex resumed>) = 1 [pid 5332] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 1 [pid 5331] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5330] getdents64(-1, [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5333] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5330] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... clone3 resumed> => {parent_tid=[5334]}, 88) = 5334 [pid 5315] <... clone3 resumed> => {parent_tid=[5335]}, 88) = 5335 [pid 5313] <... futex resumed>) = 0 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5331] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... futex resumed>) = 1 [pid 5332] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5335 attached ./strace-static-x86_64: Process 5334 attached [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 0 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5334] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 1 [pid 5331] lseek(-1, 257, SEEK_SET [pid 5330] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... rseq resumed>) = 0 [pid 5334] <... rseq resumed>) = 0 [pid 5333] lseek(-1, 257, SEEK_SET [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5330] <... openat resumed>) = 5 [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5334] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5333] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] lseek(-1, 257, SEEK_SET [pid 5331] <... futex resumed>) = 1 [pid 5330] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] <... futex resumed>) = 1 [pid 5332] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] ftruncate(-1, 33587195 [pid 5334] ftruncate(-1, 33587195 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 1 [pid 5331] getdents64(-1, [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] getdents64(-1, [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] getdents64(-1, [pid 5331] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 1 [pid 5332] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5312] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] sendfile(-1, -1, NULL, 281474978811909 [pid 5334] sendfile(-1, -1, NULL, 281474978811909 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] <... futex resumed>) = 1 [pid 5331] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5317] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5333] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... openat resumed>) = 5 [pid 5313] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... openat resumed>) = 5 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5331] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5313] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 1 [pid 5332] <... openat resumed>) = 5 [pid 5331] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5334] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5332] <... futex resumed>) = 1 [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] <... futex resumed>) = 0 [pid 5335] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5334] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5332] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] lseek(-1, 257, SEEK_SET [pid 5334] lseek(-1, 257, SEEK_SET [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5334] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] getdents64(-1, [pid 5334] getdents64(-1, [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5334] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5334] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5316] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] <... openat resumed>) = 5 [pid 5334] <... openat resumed>) = 5 [pid 5335] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 1 [pid 5334] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5335] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] <... open resumed>) = 4 [pid 5328] <... open resumed>) = 4 [pid 5327] <... open resumed>) = 4 [pid 5326] <... open resumed>) = 4 [pid 5325] <... open resumed>) = 4 [pid 5324] <... open resumed>) = 4 [pid 5323] <... open resumed>) = 3 [pid 5322] <... open resumed>) = 3 [pid 5321] <... open resumed>) = 3 [pid 5320] <... open resumed>) = 3 [pid 5319] <... open resumed>) = 3 [pid 5318] <... open resumed>) = 3 [pid 5329] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] exit_group(0 [pid 5313] exit_group(0 [pid 5331] <... futex resumed>) = ? [pid 5329] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = ? [pid 5324] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = ? [pid 5322] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5317] <... exit_group resumed>) = ? [pid 5321] <... futex resumed>) = 0 [pid 5318] <... futex resumed>) = 0 [pid 5312] exit_group(0 [pid 5333] <... futex resumed>) = ? [pid 5332] <... futex resumed>) = ? [pid 5331] +++ exited with 0 +++ [pid 5329] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5324] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] +++ exited with 0 +++ [pid 5322] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] +++ exited with 0 +++ [pid 5320] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] +++ exited with 0 +++ [pid 5313] <... exit_group resumed>) = ? [pid 5312] <... exit_group resumed>) = ? [pid 5333] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5327] +++ exited with 0 +++ [pid 5318] +++ exited with 0 +++ [pid 5316] exit_group(0 [pid 5315] exit_group(0 [pid 5314] exit_group(0 [pid 5313] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ [pid 5335] <... futex resumed>) = ? [pid 5334] <... futex resumed>) = ? [pid 5330] <... futex resumed>) = ? [pid 5329] <... futex resumed>) = ? [pid 5328] <... futex resumed>) = ? [pid 5324] <... futex resumed>) = ? [pid 5322] <... futex resumed>) = ? [pid 5320] <... futex resumed>) = ? [pid 5319] <... futex resumed>) = ? [pid 5316] <... exit_group resumed>) = ? [pid 5315] <... exit_group resumed>) = ? [pid 5314] <... exit_group resumed>) = ? [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5335] +++ exited with 0 +++ [pid 5334] +++ exited with 0 +++ [pid 5330] +++ exited with 0 +++ [pid 5329] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5324] +++ exited with 0 +++ [pid 5322] +++ exited with 0 +++ [pid 5320] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5314] +++ exited with 0 +++ [pid 5027] <... openat resumed>) = 3 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5027] <... ioctl resumed>) = 0 [pid 5022] <... restart_syscall resumed>) = 0 [pid 5027] close(3) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5020] <... openat resumed>) = 3 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5021] <... openat resumed>) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] <... restart_syscall resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] <... ioctl resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5021] <... ioctl resumed>) = 0 [pid 5020] close(3 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5336 [pid 5025] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] close(3 [pid 5020] <... close resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] <... openat resumed>) = 3 [pid 5025] <... ioctl resumed>) = 0 [pid 5022] close(3 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5025] close(3 [pid 5022] <... close resumed>) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5337 [pid 5019] <... ioctl resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5338 [pid 5019] close(3 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] <... close resumed>) = 0 ./strace-static-x86_64: Process 5336 attached [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5339 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5336] set_robust_list(0x5555556096a0, 24 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5340 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5341 ./strace-static-x86_64: Process 5339 attached ./strace-static-x86_64: Process 5338 attached ./strace-static-x86_64: Process 5337 attached [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5339] set_robust_list(0x5555556096a0, 24 [pid 5338] set_robust_list(0x5555556096a0, 24 [pid 5337] set_robust_list(0x5555556096a0, 24 [pid 5336] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5340 attached [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] setpgid(0, 0 [pid 5340] set_robust_list(0x5555556096a0, 24 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] <... setpgid resumed>) = 0 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5341 attached [pid 5340] <... set_robust_list resumed>) = 0 [pid 5339] <... prctl resumed>) = 0 [pid 5338] <... prctl resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] set_robust_list(0x5555556096a0, 24 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5339] setpgid(0, 0 [pid 5338] setpgid(0, 0 [pid 5337] <... prctl resumed>) = 0 [pid 5336] <... openat resumed>) = 3 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] <... prctl resumed>) = 0 [pid 5339] <... setpgid resumed>) = 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] setpgid(0, 0 [pid 5336] write(3, "1000", 4 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] setpgid(0, 0 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... setpgid resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5341] <... prctl resumed>) = 0 [pid 5340] <... setpgid resumed>) = 0 [pid 5339] <... openat resumed>) = 3 [pid 5338] <... openat resumed>) = 3 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] close(3 [pid 5341] setpgid(0, 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5339] write(3, "1000", 4 [pid 5338] write(3, "1000", 4 [pid 5337] <... openat resumed>) = 3 [pid 5336] <... close resumed>) = 0 [pid 5341] <... setpgid resumed>) = 0 [pid 5340] <... openat resumed>) = 3 [pid 5339] <... write resumed>) = 4 [pid 5338] <... write resumed>) = 4 [pid 5337] write(3, "1000", 4 [pid 5336] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] write(3, "1000", 4 [pid 5339] close(3 [pid 5338] close(3 [pid 5337] <... write resumed>) = 4 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... openat resumed>) = 3 [pid 5340] <... write resumed>) = 4 [pid 5339] <... close resumed>) = 0 [pid 5338] <... close resumed>) = 0 [pid 5337] close(3 [pid 5336] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5341] write(3, "1000", 4 [pid 5340] close(3 [pid 5339] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... close resumed>) = 0 [pid 5336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5341] <... write resumed>) = 4 [pid 5340] <... close resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5341] close(3 [pid 5340] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5338] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5337] <... futex resumed>) = 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... close resumed>) = 0 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5337] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5341] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5336] <... mmap resumed>) = 0x7fb652e3d000 [pid 5341] <... futex resumed>) = 0 [pid 5340] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5336] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] <... mprotect resumed>) = 0 [pid 5341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] <... mmap resumed>) = 0x7fb652e3d000 [pid 5338] <... mmap resumed>) = 0x7fb652e3d000 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5339] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5338] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5337] <... mmap resumed>) = 0x7fb652e3d000 [pid 5336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] <... mmap resumed>) = 0x7fb652e3d000 [pid 5339] <... mprotect resumed>) = 0 [pid 5338] <... mprotect resumed>) = 0 [pid 5337] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5337] <... mprotect resumed>) = 0 [pid 5341] <... mmap resumed>) = 0x7fb652e3d000 [pid 5340] <... mprotect resumed>) = 0 [pid 5339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5336] <... clone3 resumed> => {parent_tid=[5342]}, 88) = 5342 ./strace-static-x86_64: Process 5342 attached [pid 5341] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5341] <... mprotect resumed>) = 0 [pid 5340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] <... rseq resumed>) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5339] <... clone3 resumed> => {parent_tid=[5343]}, 88) = 5343 [pid 5338] <... clone3 resumed> => {parent_tid=[5344]}, 88) = 5344 [pid 5336] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5345 attached ./strace-static-x86_64: Process 5343 attached [pid 5342] set_robust_list(0x7fb652e5d9a0, 24 [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] <... clone3 resumed> => {parent_tid=[5345]}, 88) = 5345 [pid 5336] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5344 attached [pid 5345] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5343] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5340] <... clone3 resumed> => {parent_tid=[5346]}, 88) = 5346 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5346 attached [pid 5345] <... rseq resumed>) = 0 [pid 5344] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5343] <... rseq resumed>) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5344] <... rseq resumed>) = 0 [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] <... clone3 resumed> => {parent_tid=[5347]}, 88) = 5347 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] <... rseq resumed>) = 0 [pid 5345] set_robust_list(0x7fb652e5d9a0, 24 [pid 5344] set_robust_list(0x7fb652e5d9a0, 24 [pid 5343] set_robust_list(0x7fb652e5d9a0, 24 [pid 5342] memfd_create("syzkaller", 0 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5338] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] set_robust_list(0x7fb652e5d9a0, 24 [pid 5345] <... set_robust_list resumed>) = 0 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5340] <... futex resumed>) = 0 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] memfd_create("syzkaller", 0 [pid 5346] memfd_create("syzkaller", 0 [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] <... memfd_create resumed>) = 3 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] <... memfd_create resumed>) = 3 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5337] <... futex resumed>) = 0 [pid 5346] <... memfd_create resumed>) = 3 [pid 5344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5341] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5344] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5341] <... futex resumed>) = 0 [pid 5346] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5345] memfd_create("syzkaller", 0 [pid 5341] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5345] <... memfd_create resumed>) = 3 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5343] memfd_create("syzkaller", 0 [pid 5345] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5343] <... memfd_create resumed>) = 3 [pid 5343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 ./strace-static-x86_64: Process 5347 attached [pid 5347] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5347] set_robust_list(0x7fb652e5d9a0, 24 [pid 5346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5347] memfd_create("syzkaller", 0) = 3 [pid 5347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5346] <... write resumed>) = 2097152 [pid 5343] <... write resumed>) = 2097152 [pid 5342] <... write resumed>) = 2097152 [pid 5342] munmap(0x7fb64aa3d000, 2097152 [pid 5345] <... write resumed>) = 2097152 [pid 5343] munmap(0x7fb64aa3d000, 2097152 [pid 5345] munmap(0x7fb64aa3d000, 2097152 [pid 5342] <... munmap resumed>) = 0 [pid 5344] <... write resumed>) = 2097152 [pid 5343] <... munmap resumed>) = 0 [pid 5345] <... munmap resumed>) = 0 [pid 5344] munmap(0x7fb64aa3d000, 2097152 [pid 5343] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5342] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5347] <... write resumed>) = 2097152 [pid 5346] munmap(0x7fb64aa3d000, 2097152 [pid 5345] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5344] <... munmap resumed>) = 0 [pid 5343] <... openat resumed>) = 4 [pid 5342] <... openat resumed>) = 4 [pid 5347] munmap(0x7fb64aa3d000, 2097152 [pid 5346] <... munmap resumed>) = 0 [pid 5345] <... openat resumed>) = 4 [pid 5343] ioctl(4, LOOP_SET_FD, 3 [pid 5342] ioctl(4, LOOP_SET_FD, 3 [pid 5347] <... munmap resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5345] ioctl(4, LOOP_SET_FD, 3 [pid 5344] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5343] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5342] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5347] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5346] <... openat resumed>) = 4 [pid 5345] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] <... openat resumed>) = 4 [pid 5343] ioctl(4, LOOP_CLR_FD [pid 5342] ioctl(4, LOOP_CLR_FD [pid 5345] ioctl(4, LOOP_CLR_FD [pid 5344] ioctl(4, LOOP_SET_FD, 3 [pid 5343] <... ioctl resumed>) = 0 [pid 5342] <... ioctl resumed>) = 0 [pid 5347] <... openat resumed>) = 4 [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5345] <... ioctl resumed>) = 0 [pid 5344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5347] ioctl(4, LOOP_SET_FD, 3 [pid 5346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] ioctl(4, LOOP_CLR_FD [pid 5347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5346] ioctl(4, LOOP_CLR_FD [pid 5344] <... ioctl resumed>) = 0 [pid 5347] ioctl(4, LOOP_CLR_FD [pid 5346] <... ioctl resumed>) = 0 [pid 5347] <... ioctl resumed>) = 0 [pid 5343] ioctl(4, LOOP_SET_FD, 3 [pid 5342] ioctl(4, LOOP_SET_FD, 3 [pid 5345] ioctl(4, LOOP_SET_FD, 3 [pid 5343] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5342] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5345] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5344] ioctl(4, LOOP_SET_FD, 3 [pid 5343] close(4 [pid 5342] close(4 [pid 5345] close(4 [pid 5344] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5343] <... close resumed>) = 0 [pid 5342] <... close resumed>) = 0 [pid 5344] close(4) = 0 [pid 5344] close(3 [pid 5345] <... close resumed>) = 0 [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5345] close(3 [pid 5343] close(3 [pid 5342] close(3 [pid 5347] ioctl(4, LOOP_SET_FD, 3 [pid 5344] <... close resumed>) = 0 [pid 5344] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... futex resumed>) = 0 [pid 5338] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... futex resumed>) = 1 [pid 5344] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5346] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5346] close(4) = 0 [pid 5346] close(3 [pid 5342] <... close resumed>) = 0 [pid 5343] <... close resumed>) = 0 [pid 5347] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5342] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] close(4) = 0 [pid 5345] <... close resumed>) = 0 [pid 5343] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5347] close(3 [pid 5345] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 1 [pid 5342] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = 0 [pid 5336] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... close resumed>) = 0 [pid 5345] <... futex resumed>) = 1 [pid 5343] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5347] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... close resumed>) = 0 [pid 5345] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5339] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] <... futex resumed>) = 1 [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5347] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5341] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = 0 [pid 5347] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5341] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5346] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] <... futex resumed>) = 0 [pid 5346] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5340] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5338] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5338] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5338] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5348]}, 88) = 5348 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5338] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5348 attached ) = 0 [pid 5348] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5338] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... rseq resumed>) = 0 [pid 5348] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5348] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5337] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5341] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] <... futex resumed>) = 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] <... futex resumed>) = 0 [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5341] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5339] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5337] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5336] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5341] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5340] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5339] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5337] <... mprotect resumed>) = 0 [pid 5336] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5341] <... mprotect resumed>) = 0 [pid 5340] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5339] <... mprotect resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5336] <... mprotect resumed>) = 0 [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] <... mprotect resumed>) = 0 [pid 5339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5337] <... clone3 resumed> => {parent_tid=[5349]}, 88) = 5349 ./strace-static-x86_64: Process 5350 attached ./strace-static-x86_64: Process 5349 attached [pid 5341] <... clone3 resumed> => {parent_tid=[5350]}, 88) = 5350 [pid 5339] <... clone3 resumed> => {parent_tid=[5351]}, 88) = 5351 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] <... clone3 resumed> => {parent_tid=[5352]}, 88) = 5352 ./strace-static-x86_64: Process 5353 attached ./strace-static-x86_64: Process 5351 attached [pid 5350] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5349] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] <... clone3 resumed> => {parent_tid=[5353]}, 88) = 5353 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5352 attached [pid 5353] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5351] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5350] <... rseq resumed>) = 0 [pid 5349] <... rseq resumed>) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5337] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] <... rseq resumed>) = 0 [pid 5352] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5351] <... rseq resumed>) = 0 [pid 5350] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5349] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5341] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5352] <... rseq resumed>) = 0 [pid 5351] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] <... set_robust_list resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... futex resumed>) = 0 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5352] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... mmap resumed>) = 0x7fb64abfb000 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5349] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5338] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5353] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5338] <... mprotect resumed>) = 0 [pid 5352] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} => {parent_tid=[5354]}, 88) = 5354 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5354 attached [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5338] <... futex resumed>) = 0 [pid 5354] <... rseq resumed>) = 0 [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5354] set_robust_list(0x7fb64ac1b9a0, 24) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5354] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] sendfile(-1, -1, NULL, 281474978811909 [pid 5341] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5354] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5341] <... futex resumed>) = 0 [pid 5340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] <... futex resumed>) = 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] <... mmap resumed>) = 0x7fb64abfb000 [pid 5336] <... futex resumed>) = 0 [pid 5354] <... futex resumed>) = 1 [pid 5341] <... mmap resumed>) = 0x7fb64abfb000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... mmap resumed>) = 0x7fb64abfb000 [pid 5338] <... futex resumed>) = 0 [pid 5337] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5339] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... mprotect resumed>) = 0 [pid 5336] <... mmap resumed>) = 0x7fb64abfb000 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] <... mprotect resumed>) = 0 [pid 5340] <... mmap resumed>) = 0x7fb64abfb000 [pid 5339] <... mprotect resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5336] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5354] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5339] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] <... mprotect resumed>) = 0 [pid 5354] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5340] <... mprotect resumed>) = 0 [pid 5339] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5340] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5354] <... futex resumed>) = 1 [pid 5340] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... clone3 resumed> => {parent_tid=[5355]}, 88) = 5355 [pid 5336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 [pid 5340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5339] <... clone3 resumed> => {parent_tid=[5356]}, 88) = 5356 [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5355 attached [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... futex resumed>) = 0 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] <... clone3 resumed> => {parent_tid=[5358]}, 88) = 5358 ./strace-static-x86_64: Process 5357 attached [pid 5355] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5354] lseek(-1, 257, SEEK_SET [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] <... clone3 resumed> => {parent_tid=[5359]}, 88) = 5359 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5359 attached ./strace-static-x86_64: Process 5358 attached ./strace-static-x86_64: Process 5356 attached [pid 5357] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5355] <... rseq resumed>) = 0 [pid 5354] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5359] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5358] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5357] <... rseq resumed>) = 0 [pid 5356] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5355] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] <... futex resumed>) = 0 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... rseq resumed>) = 0 [pid 5358] <... rseq resumed>) = 0 [pid 5357] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5356] <... rseq resumed>) = 0 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] <... futex resumed>) = 1 [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5358] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... futex resumed>) = 0 [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... futex resumed>) = 0 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] ftruncate(-1, 33587195 [pid 5354] getdents64(-1, [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] ftruncate(-1, 33587195 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5359] ftruncate(-1, 33587195 [pid 5358] ftruncate(-1, 33587195 [pid 5357] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] ftruncate(-1, 33587195 [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5338] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] sendfile(-1, -1, NULL, 281474978811909 [pid 5354] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] sendfile(-1, -1, NULL, 281474978811909 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5354] <... openat resumed>) = 5 [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] sendfile(-1, -1, NULL, 281474978811909 [pid 5358] sendfile(-1, -1, NULL, 281474978811909 [pid 5357] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] sendfile(-1, -1, NULL, 281474978811909 [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5358] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5357] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5356] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5358] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5355] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] lseek(-1, 257, SEEK_SET [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] lseek(-1, 257, SEEK_SET [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] lseek(-1, 257, SEEK_SET [pid 5358] lseek(-1, 257, SEEK_SET [pid 5357] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5356] lseek(-1, 257, SEEK_SET [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5358] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5355] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] getdents64(-1, [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] getdents64(-1, [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] getdents64(-1, [pid 5358] getdents64(-1, [pid 5357] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5356] getdents64(-1, [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5358] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5355] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5337] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5341] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5357] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5355] <... openat resumed>) = 5 [pid 5341] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5358] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5357] <... openat resumed>) = 5 [pid 5356] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5355] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] <... openat resumed>) = 5 [pid 5358] <... openat resumed>) = 5 [pid 5357] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... openat resumed>) = 5 [pid 5355] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 1 [pid 5357] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] <... futex resumed>) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5359] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] <... open resumed>) = 4 [pid 5352] <... open resumed>) = 4 [pid 5351] <... open resumed>) = 4 [pid 5350] <... open resumed>) = 4 [pid 5349] <... open resumed>) = 4 [pid 5348] <... open resumed>) = 4 [pid 5347] <... open resumed>) = 3 [pid 5346] <... open resumed>) = 3 [pid 5345] <... open resumed>) = 3 [pid 5344] <... open resumed>) = 3 [pid 5343] <... open resumed>) = 3 [pid 5342] <... open resumed>) = 3 [pid 5353] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5352] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... futex resumed>) = 0 [pid 5346] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = 0 [pid 5339] exit_group(0 [pid 5338] exit_group(0 [pid 5337] exit_group(0 [pid 5336] exit_group(0 [pid 5356] <... futex resumed>) = ? [pid 5355] <... futex resumed>) = ? [pid 5354] <... futex resumed>) = ? [pid 5353] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] <... futex resumed>) = ? [pid 5350] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] exit_group(0 [pid 5340] exit_group(0 [pid 5339] <... exit_group resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5337] <... exit_group resumed>) = ? [pid 5336] <... exit_group resumed>) = ? [pid 5359] <... futex resumed>) = ? [pid 5358] +++ exited with 0 +++ [pid 5357] <... futex resumed>) = ? [pid 5356] +++ exited with 0 +++ [pid 5355] +++ exited with 0 +++ [pid 5354] +++ exited with 0 +++ [pid 5353] <... futex resumed>) = ? [pid 5352] +++ exited with 0 +++ [pid 5351] +++ exited with 0 +++ [pid 5350] <... futex resumed>) = ? [pid 5349] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5347] <... futex resumed>) = ? [pid 5346] <... futex resumed>) = ? [pid 5345] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5343] +++ exited with 0 +++ [pid 5342] +++ exited with 0 +++ [pid 5341] <... exit_group resumed>) = ? [pid 5340] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5338] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 5347] +++ exited with 0 +++ [pid 5350] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5359] +++ exited with 0 +++ [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5353] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5346] +++ exited with 0 +++ [pid 5020] <... restart_syscall resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3 [pid 5340] +++ exited with 0 +++ [pid 5020] <... close resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5360 ./strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x5555556096a0, 24) = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] +++ exited with 0 +++ [pid 5360] setpgid(0, 0 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5360] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5336] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5025] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5027] <... ioctl resumed>) = 0 [pid 5027] close(3 [pid 5025] <... ioctl resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5025] close(3 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] <... close resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... openat resumed>) = 3 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5361 [pid 5019] <... openat resumed>) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5360] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5362 [pid 5022] close(3 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5360] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] close(3 [pid 5019] close(3 [pid 5360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5021] <... close resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5360] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5363 ./strace-static-x86_64: Process 5361 attached [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5361] set_robust_list(0x5555556096a0, 24 [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5361] <... set_robust_list resumed>) = 0 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] <... clone3 resumed> => {parent_tid=[5365]}, 88) = 5365 [pid 5361] <... prctl resumed>) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] setpgid(0, 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5364 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5366 [pid 5361] <... setpgid resumed>) = 0 [pid 5360] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5364 attached [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5360] <... futex resumed>) = 0 [pid 5364] set_robust_list(0x5555556096a0, 24 [pid 5361] <... openat resumed>) = 3 [pid 5360] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5365 attached [pid 5364] <... set_robust_list resumed>) = 0 [pid 5361] write(3, "1000", 4 [pid 5365] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] <... write resumed>) = 4 [pid 5365] <... rseq resumed>) = 0 [pid 5364] <... prctl resumed>) = 0 [pid 5361] close(3 [pid 5365] set_robust_list(0x7fb652e5d9a0, 24 [pid 5364] setpgid(0, 0 [pid 5361] <... close resumed>) = 0 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] <... setpgid resumed>) = 0 [pid 5361] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5363 attached ./strace-static-x86_64: Process 5366 attached [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... openat resumed>) = 3 [pid 5361] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, ./strace-static-x86_64: Process 5362 attached [pid 5366] set_robust_list(0x5555556096a0, 24 [pid 5365] memfd_create("syzkaller", 0 [pid 5364] write(3, "1000", 4 [pid 5361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5365] <... memfd_create resumed>) = 3 [pid 5364] <... write resumed>) = 4 [pid 5363] set_robust_list(0x5555556096a0, 24 [pid 5361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5364] close(3 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] set_robust_list(0x5555556096a0, 24 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5364] <... close resumed>) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] <... prctl resumed>) = 0 [pid 5365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5364] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] <... mmap resumed>) = 0x7fb652e3d000 [pid 5366] setpgid(0, 0 [pid 5364] <... futex resumed>) = 0 [pid 5361] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5364] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5361] <... mprotect resumed>) = 0 [pid 5366] <... setpgid resumed>) = 0 [pid 5364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5363] <... prctl resumed>) = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5361] <... clone3 resumed> => {parent_tid=[5367]}, 88) = 5367 [pid 5364] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... mprotect resumed>) = 0 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5363] setpgid(0, 0 [pid 5362] <... prctl resumed>) = 0 [pid 5361] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] <... setpgid resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5366] <... openat resumed>) = 3 [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5362] setpgid(0, 0 [pid 5361] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5366] write(3, "1000", 4 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5362] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5367 attached [pid 5366] <... write resumed>) = 4 [pid 5364] <... clone3 resumed> => {parent_tid=[5368]}, 88) = 5368 [pid 5367] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5363] <... openat resumed>) = 3 [pid 5367] <... rseq resumed>) = 0 [pid 5366] close(3 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] write(3, "1000", 4 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] set_robust_list(0x7fb652e5d9a0, 24 [pid 5366] <... close resumed>) = 0 [pid 5364] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... write resumed>) = 4 [pid 5367] <... set_robust_list resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5366] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] memfd_create("syzkaller", 0 [pid 5363] close(3 [pid 5362] write(3, "1000", 4 [pid 5366] <... futex resumed>) = 0 [pid 5367] <... memfd_create resumed>) = 3 [pid 5363] <... close resumed>) = 0 [pid 5367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5366] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5363] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... write resumed>) = 4 ./strace-static-x86_64: Process 5368 attached [pid 5367] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5368] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5363] <... futex resumed>) = 0 [pid 5362] close(3 [pid 5366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5368] <... rseq resumed>) = 0 [pid 5363] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5368] set_robust_list(0x7fb652e5d9a0, 24 [pid 5362] <... close resumed>) = 0 [pid 5363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5368] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] <... mmap resumed>) = 0x7fb652e3d000 [pid 5362] <... futex resumed>) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5368] memfd_create("syzkaller", 0 [pid 5363] <... mmap resumed>) = 0x7fb652e3d000 [pid 5362] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5366] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5368] <... memfd_create resumed>) = 3 [pid 5363] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5366] <... mprotect resumed>) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5363] <... mprotect resumed>) = 0 [pid 5362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5368] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5362] <... mmap resumed>) = 0x7fb652e3d000 [pid 5362] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5362] <... mprotect resumed>) = 0 [pid 5366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5366] <... clone3 resumed> => {parent_tid=[5369]}, 88) = 5369 [pid 5362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5363] <... clone3 resumed> => {parent_tid=[5370]}, 88) = 5370 [pid 5362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... clone3 resumed> => {parent_tid=[5371]}, 88) = 5371 ./strace-static-x86_64: Process 5370 attached [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5369 attached [pid 5370] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5369] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5370] set_robust_list(0x7fb652e5d9a0, 24 [pid 5369] <... rseq resumed>) = 0 [pid 5366] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5363] <... futex resumed>) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] set_robust_list(0x7fb652e5d9a0, 24 [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... set_robust_list resumed>) = 0 [pid 5363] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5371 attached [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5365] <... write resumed>) = 2097152 [pid 5362] <... futex resumed>) = 0 [pid 5371] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5370] memfd_create("syzkaller", 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] munmap(0x7fb64aa3d000, 2097152 [pid 5362] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5371] <... rseq resumed>) = 0 [pid 5370] <... memfd_create resumed>) = 3 [pid 5369] memfd_create("syzkaller", 0 [pid 5365] <... munmap resumed>) = 0 [pid 5371] set_robust_list(0x7fb652e5d9a0, 24 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5369] <... memfd_create resumed>) = 3 [pid 5365] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5367] <... write resumed>) = 2097152 [pid 5365] <... openat resumed>) = 4 [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5369] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5368] <... write resumed>) = 2097152 [pid 5365] ioctl(4, LOOP_SET_FD, 3 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] munmap(0x7fb64aa3d000, 2097152 [pid 5365] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] memfd_create("syzkaller", 0 [pid 5368] <... munmap resumed>) = 0 [pid 5365] ioctl(4, LOOP_CLR_FD [pid 5371] <... memfd_create resumed>) = 3 [pid 5368] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5365] <... ioctl resumed>) = 0 [pid 5371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5368] <... openat resumed>) = 4 [pid 5367] munmap(0x7fb64aa3d000, 2097152 [pid 5371] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5368] ioctl(4, LOOP_SET_FD, 3 [pid 5370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5367] <... munmap resumed>) = 0 [pid 5371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5368] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5367] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5365] ioctl(4, LOOP_SET_FD, 3 [pid 5368] ioctl(4, LOOP_CLR_FD [pid 5367] <... openat resumed>) = 4 [pid 5365] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5368] <... ioctl resumed>) = 0 [pid 5367] ioctl(4, LOOP_SET_FD, 3 [pid 5365] close(4 [pid 5371] <... write resumed>) = 2097152 [pid 5370] <... write resumed>) = 2097152 [pid 5369] <... write resumed>) = 2097152 [pid 5367] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5365] <... close resumed>) = 0 [pid 5371] munmap(0x7fb64aa3d000, 2097152 [pid 5370] munmap(0x7fb64aa3d000, 2097152 [pid 5369] munmap(0x7fb64aa3d000, 2097152 [pid 5367] ioctl(4, LOOP_CLR_FD [pid 5365] close(3 [pid 5371] <... munmap resumed>) = 0 [pid 5370] <... munmap resumed>) = 0 [pid 5369] <... munmap resumed>) = 0 [pid 5367] <... ioctl resumed>) = 0 [pid 5371] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5370] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5369] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5371] <... openat resumed>) = 4 [pid 5370] <... openat resumed>) = 4 [pid 5369] <... openat resumed>) = 4 [pid 5368] ioctl(4, LOOP_SET_FD, 3 [pid 5371] ioctl(4, LOOP_SET_FD, 3 [pid 5370] ioctl(4, LOOP_SET_FD, 3 [pid 5369] ioctl(4, LOOP_SET_FD, 3 [pid 5368] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5368] close(4 [pid 5371] ioctl(4, LOOP_CLR_FD [pid 5370] ioctl(4, LOOP_CLR_FD [pid 5369] ioctl(4, LOOP_CLR_FD [pid 5368] <... close resumed>) = 0 [pid 5367] ioctl(4, LOOP_SET_FD, 3 [pid 5371] <... ioctl resumed>) = 0 [pid 5370] <... ioctl resumed>) = 0 [pid 5369] <... ioctl resumed>) = 0 [pid 5368] close(3 [pid 5367] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5367] close(4) = 0 [pid 5367] close(3) = 0 [pid 5371] ioctl(4, LOOP_SET_FD, 3 [pid 5370] ioctl(4, LOOP_SET_FD, 3 [pid 5369] ioctl(4, LOOP_SET_FD, 3 [pid 5371] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5370] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5369] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5371] close(4 [pid 5370] close(4 [pid 5369] close(4 [pid 5371] <... close resumed>) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] <... close resumed>) = 0 [pid 5371] close(3 [pid 5370] close(3 [pid 5369] close(3 [pid 5371] <... close resumed>) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] <... close resumed>) = 0 [pid 5368] <... close resumed>) = 0 [pid 5365] <... close resumed>) = 0 [pid 5367] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5368] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5364] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5364] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5368] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5365] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5364] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5370] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] <... futex resumed>) = 1 [pid 5370] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5371] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5371] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5363] <... futex resumed>) = 1 [pid 5362] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5370] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5369] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5366] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5361] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5361] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5372]}, 88) = 5372 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5361] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5361] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] <... futex resumed>) = 0 [pid 5360] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5360] <... futex resumed>) = 0 [pid 5364] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5360] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5364] <... mprotect resumed>) = 0 [pid 5360] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5372 attached [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5360] <... mprotect resumed>) = 0 [pid 5372] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5364] <... clone3 resumed> => {parent_tid=[5373]}, 88) = 5373 [pid 5372] <... rseq resumed>) = 0 [pid 5366] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5363] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... clone3 resumed> => {parent_tid=[5374]}, 88) = 5374 [pid 5372] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5366] <... futex resumed>) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] <... set_robust_list resumed>) = 0 [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5374 attached ./strace-static-x86_64: Process 5373 attached [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... futex resumed>) = 0 [pid 5360] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5373] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5366] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5364] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5360] <... futex resumed>) = 0 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5374] <... rseq resumed>) = 0 [pid 5373] <... rseq resumed>) = 0 [pid 5366] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5363] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5360] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5373] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5361] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5361] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] <... futex resumed>) = 0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5372] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5362] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] <... mprotect resumed>) = 0 [pid 5374] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5373] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5363] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5361] <... mmap resumed>) = 0x7fb64abfb000 [pid 5366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5362] <... mprotect resumed>) = 0 [pid 5361] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] <... mprotect resumed>) = 0 [pid 5362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5361] <... mprotect resumed>) = 0 [pid 5366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5366] <... clone3 resumed> => {parent_tid=[5375]}, 88) = 5375 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5361] <... clone3 resumed> => {parent_tid=[5376]}, 88) = 5376 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5363] <... clone3 resumed> => {parent_tid=[5378]}, 88) = 5378 [pid 5362] <... clone3 resumed> => {parent_tid=[5377]}, 88) = 5377 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5375 attached [pid 5366] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5366] <... futex resumed>) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5378 attached [pid 5375] <... rseq resumed>) = 0 [pid 5366] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5375] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5378] <... rseq resumed>) = 0 [pid 5375] <... set_robust_list resumed>) = 0 [pid 5363] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] <... set_robust_list resumed>) = 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5378] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000./strace-static-x86_64: Process 5377 attached ./strace-static-x86_64: Process 5376 attached [pid 5376] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5376] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5377] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5377] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5376] <... set_robust_list resumed>) = 0 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5377] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5376] sendfile(-1, -1, NULL, 281474978811909 [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5376] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5376] lseek(-1, 257, SEEK_SET [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5376] getdents64(-1, [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5376] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5361] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... openat resumed>) = 5 [pid 5376] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5376] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5364] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5360] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64abfb000 [pid 5364] <... clone3 resumed> => {parent_tid=[5379]}, 88) = 5379 [pid 5360] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5379 attached [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5379] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5379] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... set_robust_list resumed>) = 0 [pid 5360] <... clone3 resumed> => {parent_tid=[5380]}, 88) = 5380 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] ftruncate(-1, 33587195 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5360] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5380 attached [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5379] <... futex resumed>) = 1 [pid 5366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5364] <... futex resumed>) = 0 [pid 5380] <... rseq resumed>) = 0 [pid 5379] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5380] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] sendfile(-1, -1, NULL, 281474978811909 [pid 5366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... mmap resumed>) = 0x7fb64abfb000 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5363] <... mmap resumed>) = 0x7fb64abfb000 [pid 5362] <... mmap resumed>) = 0x7fb64abfb000 [pid 5380] ftruncate(-1, 33587195 [pid 5379] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5380] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5366] <... mprotect resumed>) = 0 [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5362] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... mprotect resumed>) = 0 [pid 5362] <... mprotect resumed>) = 0 [pid 5380] <... futex resumed>) = 1 [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5360] <... futex resumed>) = 0 [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... futex resumed>) = 0 [pid 5366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] lseek(-1, 257, SEEK_SET [pid 5364] <... futex resumed>) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5360] <... futex resumed>) = 0 [pid 5380] sendfile(-1, -1, NULL, 281474978811909 [pid 5379] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5366] <... clone3 resumed> => {parent_tid=[5381]}, 88) = 5381 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] <... clone3 resumed> => {parent_tid=[5382]}, 88) = 5382 [pid 5362] <... clone3 resumed> => {parent_tid=[5383]}, 88) = 5383 [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... futex resumed>) = 0 [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5362] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5382 attached [pid 5380] <... futex resumed>) = 1 [pid 5379] getdents64(-1, [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5383 attached ./strace-static-x86_64: Process 5381 attached [pid 5382] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5366] <... futex resumed>) = 0 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5382] <... rseq resumed>) = 0 [pid 5381] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5363] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5383] <... rseq resumed>) = 0 [pid 5382] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5381] <... rseq resumed>) = 0 [pid 5380] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5379] <... futex resumed>) = 0 [pid 5364] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5381] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5380] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5379] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5364] <... futex resumed>) = 0 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... openat resumed>) = 5 [pid 5364] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] <... futex resumed>) = 1 [pid 5379] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] ftruncate(-1, 33587195 [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] ftruncate(-1, 33587195 [pid 5382] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] ftruncate(-1, 33587195 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] <... futex resumed>) = 0 [pid 5383] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] lseek(-1, 257, SEEK_SET [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 1 [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] sendfile(-1, -1, NULL, 281474978811909 [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] sendfile(-1, -1, NULL, 281474978811909 [pid 5382] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] sendfile(-1, -1, NULL, 281474978811909 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... futex resumed>) = 0 [pid 5383] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5380] getdents64(-1, [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 1 [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5360] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5382] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5381] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... futex resumed>) = 0 [pid 5383] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5380] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5360] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... openat resumed>) = 5 [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5380] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 1 [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] lseek(-1, 257, SEEK_SET [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5380] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5383] lseek(-1, 257, SEEK_SET [pid 5382] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5381] lseek(-1, 257, SEEK_SET [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] getdents64(-1, [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5383] getdents64(-1, [pid 5382] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5381] getdents64(-1, [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5366] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5362] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5366] <... futex resumed>) = 0 [pid 5363] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = 0 [pid 5383] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5382] <... openat resumed>) = 5 [pid 5381] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5366] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] <... openat resumed>) = 5 [pid 5382] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... openat resumed>) = 5 [pid 5383] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 1 [pid 5381] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5366] <... futex resumed>) = 0 [pid 5362] <... futex resumed>) = 0 [pid 5383] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] exit_group(0) = ? [pid 5376] <... futex resumed>) = ? [pid 5376] +++ exited with 0 +++ [pid 5367] <... open resumed>) = ? [pid 5367] +++ exited with 0 +++ [pid 5364] exit_group(0 [pid 5379] <... futex resumed>) = ? [ 83.642882][ T27] kauditd_printk_skb: 26 callbacks suppressed [ 83.642925][ T27] audit: type=1800 audit(1689650713.604:38): pid=5367 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5364] <... exit_group resumed>) = ? [pid 5368] <... open resumed>) = ? [pid 5368] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5366] exit_group(0 [pid 5381] <... futex resumed>) = ? [pid 5366] <... exit_group resumed>) = ? [pid 5381] +++ exited with 0 +++ [pid 5363] exit_group(0) = ? [pid 5362] exit_group(0 [pid 5383] <... futex resumed>) = ? [pid 5362] <... exit_group resumed>) = ? [pid 5383] +++ exited with 0 +++ [pid 5382] <... futex resumed>) = ? [pid 5382] +++ exited with 0 +++ [pid 5360] exit_group(0) = ? [pid 5380] <... futex resumed>) = ? [pid 5380] +++ exited with 0 +++ [pid 5371] <... open resumed>) = ? [pid 5370] <... open resumed>) = ? [pid 5369] <... open resumed>) = ? [pid 5374] <... open resumed>) = ? [pid 5378] <... open resumed>) = ? [pid 5375] <... open resumed>) = ? [pid 5374] +++ exited with 0 +++ [pid 5373] <... open resumed>) = ? [pid 5372] <... open resumed>) = ? [pid 5371] +++ exited with 0 +++ [pid 5370] +++ exited with 0 +++ [pid 5369] +++ exited with 0 +++ [pid 5377] <... open resumed>) = ? [pid 5365] <... open resumed>) = ? [pid 5378] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5366] +++ exited with 0 +++ [pid 5363] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5373] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [ 83.697248][ T27] audit: type=1800 audit(1689650713.664:39): pid=5368 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] <... openat resumed>) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] <... ioctl resumed>) = 0 [pid 5022] close(3 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] close(3 [pid 5022] <... close resumed>) = 0 [pid 5021] close(3 [pid 5019] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... close resumed>) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5384 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5385 [pid 5377] +++ exited with 0 +++ [pid 5362] +++ exited with 0 +++ [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5386 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5372] +++ exited with 0 +++ [pid 5361] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5365] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5025] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5384 attached [pid 5025] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5386 attached [pid 5384] set_robust_list(0x5555556096a0, 24 [pid 5025] <... ioctl resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5386] set_robust_list(0x5555556096a0, 24 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5025] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5386] <... set_robust_list resumed>) = 0 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5025] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] <... prctl resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5386] <... prctl resumed>) = 0 [pid 5384] setpgid(0, 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5020] <... ioctl resumed>) = 0 [pid 5386] setpgid(0, 0 [pid 5384] <... setpgid resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5387 [pid 5020] close(3 [pid 5386] <... setpgid resumed>) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] close(3 [pid 5020] <... close resumed>) = 0 ./strace-static-x86_64: Process 5385 attached [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] <... openat resumed>) = 3 [pid 5027] <... close resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] <... openat resumed>) = 3 [pid 5385] set_robust_list(0x5555556096a0, 24 [pid 5384] write(3, "1000", 4 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5387 attached [pid 5386] write(3, "1000", 4 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5384] <... write resumed>) = 4 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5388 [pid 5387] set_robust_list(0x5555556096a0, 24 [pid 5386] <... write resumed>) = 4 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] close(3 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5389 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] close(3 [pid 5385] <... prctl resumed>) = 0 [pid 5384] <... close resumed>) = 0 ./strace-static-x86_64: Process 5388 attached [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5386] <... close resumed>) = 0 [pid 5385] setpgid(0, 0 [pid 5384] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5389 attached [pid 5388] set_robust_list(0x5555556096a0, 24 [pid 5387] <... prctl resumed>) = 0 [pid 5386] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... setpgid resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5389] set_robust_list(0x5555556096a0, 24 [pid 5388] <... set_robust_list resumed>) = 0 [pid 5387] setpgid(0, 0 [pid 5386] <... futex resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5387] <... setpgid resumed>) = 0 [pid 5386] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5385] <... openat resumed>) = 3 [pid 5384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] <... prctl resumed>) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5386] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5385] write(3, "1000", 4 [pid 5384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5389] <... prctl resumed>) = 0 [pid 5388] setpgid(0, 0 [pid 5387] <... openat resumed>) = 3 [pid 5386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5385] <... write resumed>) = 4 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 83.736416][ T27] audit: type=1800 audit(1689650713.704:40): pid=5365 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5389] setpgid(0, 0 [pid 5388] <... setpgid resumed>) = 0 [pid 5387] write(3, "1000", 4 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] close(3 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5389] <... setpgid resumed>) = 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... write resumed>) = 4 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] <... close resumed>) = 0 [pid 5384] <... mmap resumed>) = 0x7fb652e3d000 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... openat resumed>) = 3 [pid 5386] <... mmap resumed>) = 0x7fb652e3d000 [pid 5384] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5388] write(3, "1000", 4 [pid 5386] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5384] <... mprotect resumed>) = 0 [pid 5388] <... write resumed>) = 4 [pid 5386] <... mprotect resumed>) = 0 [pid 5384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5388] close(3 [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5388] <... close resumed>) = 0 [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5388] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5388] <... futex resumed>) = 0 [pid 5384] <... clone3 resumed> => {parent_tid=[5390]}, 88) = 5390 [pid 5388] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5386] <... clone3 resumed> => {parent_tid=[5391]}, 88) = 5391 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5390 attached [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5387] close(3 [pid 5386] <... futex resumed>) = 0 [pid 5385] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5390] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5389] <... openat resumed>) = 3 [pid 5388] <... mmap resumed>) = 0x7fb652e3d000 [pid 5387] <... close resumed>) = 0 [pid 5386] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5390] <... rseq resumed>) = 0 [pid 5389] write(3, "1000", 4 [pid 5388] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5387] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, ./strace-static-x86_64: Process 5391 attached [pid 5390] set_robust_list(0x7fb652e5d9a0, 24 [pid 5389] <... write resumed>) = 4 [pid 5388] <... mprotect resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5391] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5389] close(3 [pid 5388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5391] <... rseq resumed>) = 0 [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] <... close resumed>) = 0 [pid 5388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5387] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] set_robust_list(0x7fb652e5d9a0, 24 [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5390] memfd_create("syzkaller", 0 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... mmap resumed>) = 0x7fb652e3d000 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] <... memfd_create resumed>) = 3 [pid 5389] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5388] <... clone3 resumed> => {parent_tid=[5392]}, 88) = 5392 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5389] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] <... mmap resumed>) = 0x7fb652e3d000 [pid 5385] <... mprotect resumed>) = 0 [pid 5391] memfd_create("syzkaller", 0 [pid 5390] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 83.811541][ T27] audit: type=1800 audit(1689650713.704:41): pid=5370 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5387] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5385] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5392 attached [pid 5391] <... memfd_create resumed>) = 3 [pid 5388] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5388] <... futex resumed>) = 0 [pid 5392] <... rseq resumed>) = 0 [pid 5388] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5392] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5392] memfd_create("syzkaller", 0) = 3 [pid 5392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5387] <... mprotect resumed>) = 0 [pid 5385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5391] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 5393 attached [pid 5389] <... mmap resumed>) = 0x7fb652e3d000 [pid 5387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5389] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5385] <... clone3 resumed> => {parent_tid=[5393]}, 88) = 5393 [pid 5389] <... mprotect resumed>) = 0 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5387] <... clone3 resumed> => {parent_tid=[5394]}, 88) = 5394 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... rseq resumed>) = 0 [pid 5389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5393] set_robust_list(0x7fb652e5d9a0, 24 [pid 5387] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5393] <... set_robust_list resumed>) = 0 [pid 5389] <... clone3 resumed> => {parent_tid=[5395]}, 88) = 5395 [pid 5387] <... futex resumed>) = 0 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5395 attached ./strace-static-x86_64: Process 5394 attached [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5394] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5393] memfd_create("syzkaller", 0 [pid 5395] <... rseq resumed>) = 0 [pid 5393] <... memfd_create resumed>) = 3 [pid 5395] set_robust_list(0x7fb652e5d9a0, 24 [pid 5393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5395] <... set_robust_list resumed>) = 0 [ 83.864069][ T27] audit: type=1800 audit(1689650713.704:42): pid=5371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5393] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] <... rseq resumed>) = 0 [pid 5389] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5394] set_robust_list(0x7fb652e5d9a0, 24 [pid 5389] <... futex resumed>) = 0 [pid 5395] memfd_create("syzkaller", 0 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5389] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5395] <... memfd_create resumed>) = 3 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5394] memfd_create("syzkaller", 0) = 3 [ 83.944108][ T27] audit: type=1800 audit(1689650713.704:43): pid=5369 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5391] <... write resumed>) = 2097152 [pid 5390] <... write resumed>) = 2097152 [pid 5394] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5391] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5391] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5391] ioctl(4, LOOP_CLR_FD [pid 5395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5391] <... ioctl resumed>) = 0 [ 83.990810][ T27] audit: type=1800 audit(1689650713.704:44): pid=5374 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5392] <... write resumed>) = 2097152 [pid 5390] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5390] ioctl(4, LOOP_CLR_FD) = 0 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5390] close(4) = 0 [pid 5390] close(3 [pid 5392] munmap(0x7fb64aa3d000, 2097152 [pid 5391] ioctl(4, LOOP_SET_FD, 3 [pid 5393] <... write resumed>) = 2097152 [pid 5392] <... munmap resumed>) = 0 [pid 5391] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 84.046040][ T27] audit: type=1800 audit(1689650713.704:45): pid=5372 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5390] <... close resumed>) = 0 [pid 5395] <... write resumed>) = 2097152 [pid 5392] <... openat resumed>) = 4 [pid 5391] close(4 [pid 5392] ioctl(4, LOOP_SET_FD, 3 [pid 5391] <... close resumed>) = 0 [pid 5390] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5391] close(3 [pid 5390] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5393] munmap(0x7fb64aa3d000, 2097152 [pid 5392] ioctl(4, LOOP_CLR_FD [pid 5390] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... munmap resumed>) = 0 [pid 5392] <... ioctl resumed>) = 0 [pid 5390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] <... futex resumed>) = 0 [pid 5390] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5384] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5391] <... close resumed>) = 0 [pid 5395] munmap(0x7fb64aa3d000, 2097152 [pid 5393] <... openat resumed>) = 4 [pid 5392] ioctl(4, LOOP_SET_FD, 3 [pid 5395] <... munmap resumed>) = 0 [pid 5394] <... write resumed>) = 2097152 [pid 5393] ioctl(4, LOOP_SET_FD, 3 [pid 5392] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5393] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5392] close(4 [pid 5393] ioctl(4, LOOP_CLR_FD [pid 5395] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5393] <... ioctl resumed>) = 0 [pid 5395] <... openat resumed>) = 4 [pid 5395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5395] ioctl(4, LOOP_CLR_FD [pid 5393] ioctl(4, LOOP_SET_FD, 3 [pid 5395] <... ioctl resumed>) = 0 [pid 5393] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5394] munmap(0x7fb64aa3d000, 2097152 [pid 5393] close(4 [pid 5392] <... close resumed>) = 0 [pid 5391] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... close resumed>) = 0 [pid 5395] ioctl(4, LOOP_SET_FD, 3 [pid 5393] close(3 [pid 5395] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5394] <... munmap resumed>) = 0 [pid 5392] close(3 [pid 5391] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5395] close(4 [pid 5384] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... close resumed>) = 0 [pid 5393] <... close resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5395] close(3 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5395] <... close resumed>) = 0 [pid 5394] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5384] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5394] <... openat resumed>) = 4 [pid 5391] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [ 84.135799][ T27] audit: type=1800 audit(1689650713.704:46): pid=5373 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [ 84.159829][ T27] audit: type=1800 audit(1689650713.704:47): pid=5375 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor247" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5384] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5394] ioctl(4, LOOP_SET_FD, 3 [pid 5391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5384] <... mprotect resumed>) = 0 [pid 5394] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5391] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5386] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] ioctl(4, LOOP_CLR_FD [pid 5393] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] <... ioctl resumed>) = 0 [pid 5393] <... futex resumed>) = 1 [pid 5385] <... futex resumed>) = 0 [pid 5384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5393] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5392] <... close resumed>) = 0 [pid 5385] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 0 [pid 5384] <... clone3 resumed> => {parent_tid=[5396]}, 88) = 5396 [pid 5395] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] ioctl(4, LOOP_SET_FD, 3 [pid 5392] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 0 [pid 5385] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5396 attached [pid 5395] <... futex resumed>) = 1 [pid 5394] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5392] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5389] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5395] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] close(4 [pid 5389] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 0 [pid 5384] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... rseq resumed>) = 0 [pid 5395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... close resumed>) = 0 [pid 5389] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... futex resumed>) = 0 [pid 5396] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5395] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5394] close(3 [pid 5389] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... set_robust_list resumed>) = 0 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5396] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5386] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5386] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5394] <... close resumed>) = 0 [pid 5394] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... mprotect resumed>) = 0 [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] <... futex resumed>) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5387] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5387] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] <... clone3 resumed> => {parent_tid=[5397]}, 88) = 5397 [pid 5385] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5397 attached [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5397] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5388] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5386] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5397] <... rseq resumed>) = 0 [pid 5388] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5385] <... mprotect resumed>) = 0 [pid 5397] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5388] <... mprotect resumed>) = 0 [pid 5397] <... set_robust_list resumed>) = 0 [pid 5385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5397] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5397] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5385] <... clone3 resumed> => {parent_tid=[5398]}, 88) = 5398 [pid 5388] <... clone3 resumed> => {parent_tid=[5399]}, 88) = 5399 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 0 [pid 5384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] <... futex resumed>) = 0 [pid 5385] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... mmap resumed>) = 0x7fb64abfb000 ./strace-static-x86_64: Process 5399 attached [pid 5388] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5398 attached [pid 5399] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] <... mprotect resumed>) = 0 [pid 5399] <... rseq resumed>) = 0 [pid 5384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5398] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5389] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5399] <... set_robust_list resumed>) = 0 [pid 5398] <... rseq resumed>) = 0 [pid 5389] <... futex resumed>) = 0 [pid 5384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5399] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5398] <... set_robust_list resumed>) = 0 [pid 5384] <... clone3 resumed> => {parent_tid=[5400]}, 88) = 5400 [pid 5399] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5398] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5400 attached [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053) = 0 [pid 5400] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5400] <... set_robust_list resumed>) = 0 [pid 5398] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5389] <... mprotect resumed>) = 0 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5400] ftruncate(-1, 33587195 [pid 5389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5400] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] <... futex resumed>) = 0 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... clone3 resumed> => {parent_tid=[5401]}, 88) = 5401 [pid 5387] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5400] sendfile(-1, -1, NULL, 281474978811909 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5386] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5389] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5400] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5386] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 0 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... mprotect resumed>) = 0 [pid 5386] <... futex resumed>) = 0 [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5401 attached [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] <... futex resumed>) = 0 [pid 5400] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5386] <... mmap resumed>) = 0x7fb64abfb000 [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5400] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5386] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5384] <... futex resumed>) = 0 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... clone3 resumed> => {parent_tid=[5402]}, 88) = 5402 [pid 5386] <... mprotect resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5400] lseek(-1, 257, SEEK_SET [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5402 attached [pid 5400] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5402] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5401] <... rseq resumed>) = 0 [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5402] <... rseq resumed>) = 0 [pid 5401] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5400] <... futex resumed>) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5384] <... futex resumed>) = 0 [pid 5402] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5401] <... set_robust_list resumed>) = 0 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] <... clone3 resumed> => {parent_tid=[5403]}, 88) = 5403 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] <... futex resumed>) = 0 [pid 5384] <... futex resumed>) = 0 [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] getdents64(-1, [pid 5388] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5403 attached [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5400] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... mmap resumed>) = 0x7fb64abfb000 [pid 5403] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5402] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5386] <... futex resumed>) = 0 [pid 5385] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5403] <... rseq resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5388] <... mmap resumed>) = 0x7fb64abfb000 [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... futex resumed>) = 0 [pid 5403] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] <... mprotect resumed>) = 0 [pid 5384] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5384] <... futex resumed>) = 0 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], [pid 5400] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5388] <... mprotect resumed>) = 0 [pid 5384] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5400] <... openat resumed>) = 5 [pid 5388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5403] ftruncate(-1, 33587195 [pid 5400] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5400] <... futex resumed>) = 1 [pid 5388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5384] <... futex resumed>) = 0 [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... clone3 resumed> => {parent_tid=[5404]}, 88) = 5404 [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] <... clone3 resumed> => {parent_tid=[5405]}, 88) = 5405 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5405 attached ./strace-static-x86_64: Process 5404 attached [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] <... futex resumed>) = 0 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5404] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5403] sendfile(-1, -1, NULL, 281474978811909 [pid 5404] <... rseq resumed>) = 0 [pid 5403] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... rseq resumed>) = 0 [pid 5404] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... set_robust_list resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5404] rt_sigprocmask(SIG_SETMASK, [], [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5385] <... futex resumed>) = 0 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5404] ftruncate(-1, 33587195 [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] rt_sigprocmask(SIG_SETMASK, [], [pid 5404] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5403] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5386] <... futex resumed>) = 1 [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] ftruncate(-1, 33587195 [pid 5404] <... futex resumed>) = 1 [pid 5403] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5385] <... futex resumed>) = 0 [pid 5405] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] sendfile(-1, -1, NULL, 281474978811909 [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] lseek(-1, 257, SEEK_SET [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] sendfile(-1, -1, NULL, 281474978811909 [pid 5404] <... futex resumed>) = 1 [pid 5403] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5405] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] getdents64(-1, [pid 5389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5388] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5404] <... futex resumed>) = 1 [pid 5403] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5389] <... mmap resumed>) = 0x7fb64abfb000 [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5405] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 1 [pid 5389] <... mprotect resumed>) = 0 [pid 5387] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] lseek(-1, 257, SEEK_SET [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5388] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5386] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5386] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5388] <... futex resumed>) = 0 [pid 5387] <... mmap resumed>) = 0x7fb64abfb000 [pid 5386] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5405] lseek(-1, 257, SEEK_SET [pid 5404] <... futex resumed>) = 1 [pid 5403] <... openat resumed>) = 5 [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5385] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5406 attached [pid 5405] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... clone3 resumed> => {parent_tid=[5406]}, 88) = 5406 [pid 5387] <... mprotect resumed>) = 0 [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5403] <... futex resumed>) = 1 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5406] <... rseq resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5404] getdents64(-1, [pid 5403] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... futex resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5406] <... set_robust_list resumed>) = 0 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5388] <... futex resumed>) = 0 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] getdents64(-1, [pid 5404] <... futex resumed>) = 1 [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] <... clone3 resumed> => {parent_tid=[5407]}, 88) = 5407 [pid 5385] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5407 attached [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5405] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5406] ftruncate(-1, 33587195 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5407] <... rseq resumed>) = 0 [pid 5406] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] <... futex resumed>) = 1 [pid 5404] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5388] <... futex resumed>) = 0 [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5404] <... openat resumed>) = 5 [pid 5388] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5406] <... futex resumed>) = 1 [pid 5405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5404] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 0 [pid 5388] <... futex resumed>) = 0 [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] rt_sigprocmask(SIG_SETMASK, [], [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5404] <... futex resumed>) = 1 [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] <... openat resumed>) = 5 [pid 5404] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] <... futex resumed>) = 0 [pid 5407] ftruncate(-1, 33587195 [pid 5406] sendfile(-1, -1, NULL, 281474978811909 [pid 5405] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5406] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5405] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5407] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] sendfile(-1, -1, NULL, 281474978811909 [pid 5406] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5406] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5406] lseek(-1, 257, SEEK_SET [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5406] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] lseek(-1, 257, SEEK_SET [pid 5406] getdents64(-1, [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5406] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5389] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] getdents64(-1, [pid 5406] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5389] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5406] <... openat resumed>) = 5 [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = 1 [pid 5406] <... futex resumed>) = 1 [pid 5389] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... futex resumed>) = 0 [pid 5407] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5387] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5407] <... openat resumed>) = 5 [pid 5407] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5387] <... futex resumed>) = 0 [pid 5407] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5402] <... open resumed>) = 4 [pid 5401] <... open resumed>) = 4 [pid 5399] <... open resumed>) = 4 [pid 5398] <... open resumed>) = 4 [pid 5397] <... open resumed>) = 4 [pid 5396] <... open resumed>) = 4 [pid 5395] <... open resumed>) = 3 [pid 5394] <... open resumed>) = 3 [pid 5393] <... open resumed>) = 3 [pid 5392] <... open resumed>) = 3 [pid 5391] <... open resumed>) = 3 [pid 5390] <... open resumed>) = 3 [pid 5402] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... futex resumed>) = 0 [pid 5401] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... futex resumed>) = 0 [pid 5398] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... futex resumed>) = 0 [pid 5396] <... futex resumed>) = 0 [pid 5395] <... futex resumed>) = 0 [pid 5394] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... futex resumed>) = 0 [pid 5392] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] <... futex resumed>) = 0 [pid 5399] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5398] <... futex resumed>) = 0 [pid 5397] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5396] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5395] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] <... futex resumed>) = 0 [pid 5392] <... futex resumed>) = 0 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5389] exit_group(0 [pid 5393] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5388] exit_group(0 [pid 5387] exit_group(0 [pid 5386] exit_group(0 [pid 5385] exit_group(0 [pid 5384] exit_group(0 [pid 5406] <... futex resumed>) = ? [pid 5405] <... futex resumed>) = ? [pid 5403] <... futex resumed>) = ? [pid 5400] <... futex resumed>) = ? [pid 5399] <... futex resumed>) = ? [pid 5397] <... futex resumed>) = ? [pid 5396] <... futex resumed>) = ? [pid 5395] <... futex resumed>) = ? [pid 5404] <... futex resumed>) = ? [pid 5393] <... futex resumed>) = ? [pid 5389] <... exit_group resumed>) = ? [pid 5407] <... futex resumed>) = ? [pid 5406] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5402] <... futex resumed>) = ? [pid 5401] +++ exited with 0 +++ [pid 5400] +++ exited with 0 +++ [pid 5394] +++ exited with 0 +++ [pid 5398] +++ exited with 0 +++ [pid 5392] +++ exited with 0 +++ [pid 5391] +++ exited with 0 +++ [pid 5390] +++ exited with 0 +++ [pid 5399] +++ exited with 0 +++ [pid 5388] <... exit_group resumed>) = ? [pid 5387] <... exit_group resumed>) = ? [pid 5386] <... exit_group resumed>) = ? [pid 5385] <... exit_group resumed>) = ? [pid 5396] +++ exited with 0 +++ [pid 5384] <... exit_group resumed>) = ? [pid 5395] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5402] +++ exited with 0 +++ [pid 5397] +++ exited with 0 +++ [pid 5393] +++ exited with 0 +++ [pid 5387] +++ exited with 0 +++ [pid 5386] +++ exited with 0 +++ [pid 5388] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5389] +++ exited with 0 +++ [pid 5385] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5384] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5025] <... restart_syscall resumed>) = 0 [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5021] <... restart_syscall resumed>) = 0 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5019] <... restart_syscall resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5025] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5027] <... ioctl resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5027] close(3 [pid 5025] <... ioctl resumed>) = 0 [pid 5022] close(3 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5020] <... openat resumed>) = 3 [pid 5019] <... openat resumed>) = 3 [pid 5027] <... close resumed>) = 0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5408 [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5409 ./strace-static-x86_64: Process 5409 attached [pid 5409] set_robust_list(0x5555556096a0, 24) = 0 ./strace-static-x86_64: Process 5408 attached [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... ioctl resumed>) = 0 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5408] set_robust_list(0x5555556096a0, 24 [pid 5021] close(3 [pid 5020] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5408] <... set_robust_list resumed>) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5410 [pid 5021] <... close resumed>) = 0 [pid 5020] close(3 [pid 5019] close(3 [pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... close resumed>) = 0 [pid 5408] <... prctl resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5408] setpgid(0, 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5409] setpgid(0, 0 [pid 5408] <... setpgid resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5411 [pid 5409] <... setpgid resumed>) = 0 [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5410 attached [pid 5409] write(3, "1000", 4 [pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5412 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5413 ./strace-static-x86_64: Process 5411 attached [pid 5410] set_robust_list(0x5555556096a0, 24 [pid 5409] <... write resumed>) = 4 [pid 5408] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5412 attached [pid 5409] close(3 [pid 5408] write(3, "1000", 4 [pid 5410] <... set_robust_list resumed>) = 0 [pid 5411] set_robust_list(0x5555556096a0, 24 [pid 5412] set_robust_list(0x5555556096a0, 24 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] <... close resumed>) = 0 [pid 5408] <... write resumed>) = 4 ./strace-static-x86_64: Process 5413 attached [pid 5412] <... set_robust_list resumed>) = 0 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5410] <... prctl resumed>) = 0 [pid 5409] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] close(3 [pid 5413] set_robust_list(0x5555556096a0, 24 [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5410] setpgid(0, 0 [pid 5409] <... futex resumed>) = 0 [pid 5413] <... set_robust_list resumed>) = 0 [pid 5412] <... prctl resumed>) = 0 [pid 5411] <... prctl resumed>) = 0 [pid 5410] <... setpgid resumed>) = 0 [pid 5409] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5408] <... close resumed>) = 0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5412] setpgid(0, 0 [pid 5411] setpgid(0, 0 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5409] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5408] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... prctl resumed>) = 0 [pid 5412] <... setpgid resumed>) = 0 [pid 5411] <... setpgid resumed>) = 0 [pid 5410] <... openat resumed>) = 3 [pid 5409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5408] <... futex resumed>) = 0 [pid 5413] setpgid(0, 0 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5410] write(3, "1000", 4 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5413] <... setpgid resumed>) = 0 [pid 5412] <... openat resumed>) = 3 [pid 5411] <... openat resumed>) = 3 [pid 5410] <... write resumed>) = 4 [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5412] write(3, "1000", 4 [pid 5411] write(3, "1000", 4 [pid 5410] close(3 [pid 5409] <... mmap resumed>) = 0x7fb652e3d000 [pid 5408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5413] <... openat resumed>) = 3 [pid 5412] <... write resumed>) = 4 [pid 5411] <... write resumed>) = 4 [pid 5410] <... close resumed>) = 0 [pid 5409] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] write(3, "1000", 4 [pid 5412] close(3 [pid 5411] close(3 [pid 5410] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... mprotect resumed>) = 0 [pid 5408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5413] <... write resumed>) = 4 [pid 5412] <... close resumed>) = 0 [pid 5411] <... close resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5408] <... mmap resumed>) = 0x7fb652e3d000 [pid 5413] close(3 [pid 5412] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5413] <... close resumed>) = 0 [pid 5412] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5411] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5408] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5413] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5409] <... clone3 resumed> => {parent_tid=[5414]}, 88) = 5414 [pid 5408] <... mprotect resumed>) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5411] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5414 attached [pid 5413] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5414] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5413] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5409] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5414] <... rseq resumed>) = 0 [pid 5413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5412] <... mmap resumed>) = 0x7fb652e3d000 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... mmap resumed>) = 0x7fb652e3d000 [pid 5409] <... futex resumed>) = 0 [pid 5414] set_robust_list(0x7fb652e5d9a0, 24 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5409] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] <... clone3 resumed> => {parent_tid=[5415]}, 88) = 5415 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] <... mprotect resumed>) = 0 [pid 5411] <... mmap resumed>) = 0x7fb652e3d000 [pid 5410] <... mprotect resumed>) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5415 attached [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] <... mmap resumed>) = 0x7fb652e3d000 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5411] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] <... mprotect resumed>) = 0 [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5415] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5414] memfd_create("syzkaller", 0 [pid 5413] <... mprotect resumed>) = 0 [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5408] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... rseq resumed>) = 0 [pid 5414] <... memfd_create resumed>) = 3 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5408] <... futex resumed>) = 0 [pid 5415] set_robust_list(0x7fb652e5d9a0, 24 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] <... clone3 resumed> => {parent_tid=[5416]}, 88) = 5416 [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5408] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5417 attached ./strace-static-x86_64: Process 5416 attached [pid 5415] <... set_robust_list resumed>) = 0 [pid 5414] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5410] <... clone3 resumed> => {parent_tid=[5417]}, 88) = 5417 [pid 5417] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5416] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] <... rseq resumed>) = 0 [pid 5416] <... rseq resumed>) = 0 [pid 5415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... clone3 resumed> => {parent_tid=[5418]}, 88) = 5418 [pid 5412] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... clone3 resumed> => {parent_tid=[5419]}, 88) = 5419 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5419 attached ./strace-static-x86_64: Process 5418 attached [pid 5417] set_robust_list(0x7fb652e5d9a0, 24 [pid 5416] set_robust_list(0x7fb652e5d9a0, 24 [pid 5415] memfd_create("syzkaller", 0 [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] <... futex resumed>) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5418] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5416] <... set_robust_list resumed>) = 0 [pid 5415] <... memfd_create resumed>) = 3 [pid 5414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5419] <... rseq resumed>) = 0 [pid 5418] <... rseq resumed>) = 0 [pid 5417] rt_sigprocmask(SIG_SETMASK, [], [pid 5416] rt_sigprocmask(SIG_SETMASK, [], [pid 5415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5413] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5419] set_robust_list(0x7fb652e5d9a0, 24 [pid 5418] set_robust_list(0x7fb652e5d9a0, 24 [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5415] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5413] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5419] <... set_robust_list resumed>) = 0 [pid 5418] <... set_robust_list resumed>) = 0 [pid 5417] memfd_create("syzkaller", 0 [pid 5416] memfd_create("syzkaller", 0 [pid 5413] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5411] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] <... memfd_create resumed>) = 3 [pid 5416] <... memfd_create resumed>) = 3 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5419] memfd_create("syzkaller", 0 [pid 5417] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5416] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5419] <... memfd_create resumed>) = 3 [pid 5418] memfd_create("syzkaller", 0 [pid 5415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5414] <... write resumed>) = 2097152 [pid 5419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5418] <... memfd_create resumed>) = 3 [pid 5417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5419] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5415] <... write resumed>) = 2097152 [pid 5414] munmap(0x7fb64aa3d000, 2097152 [pid 5418] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5415] munmap(0x7fb64aa3d000, 2097152 [pid 5414] <... munmap resumed>) = 0 [pid 5415] <... munmap resumed>) = 0 [pid 5415] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5414] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5415] <... openat resumed>) = 4 [pid 5414] <... openat resumed>) = 4 [pid 5417] <... write resumed>) = 2097152 [pid 5417] munmap(0x7fb64aa3d000, 2097152 [pid 5415] ioctl(4, LOOP_SET_FD, 3 [pid 5414] ioctl(4, LOOP_SET_FD, 3 [pid 5415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5415] ioctl(4, LOOP_CLR_FD [pid 5414] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5414] ioctl(4, LOOP_CLR_FD) = 0 [pid 5415] <... ioctl resumed>) = 0 [pid 5414] ioctl(4, LOOP_SET_FD, 3 [pid 5415] ioctl(4, LOOP_SET_FD, 3 [pid 5414] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5414] close(4 [pid 5415] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5415] close(4 [pid 5414] <... close resumed>) = 0 [pid 5415] <... close resumed>) = 0 [pid 5415] close(3 [pid 5414] close(3 [pid 5417] <... munmap resumed>) = 0 [pid 5417] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] ioctl(4, LOOP_CLR_FD) = 0 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] close(4) = 0 [pid 5417] close(3 [pid 5416] <... write resumed>) = 2097152 [pid 5414] <... close resumed>) = 0 [pid 5416] munmap(0x7fb64aa3d000, 2097152 [pid 5414] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5415] <... close resumed>) = 0 [pid 5414] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5409] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5409] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5408] <... futex resumed>) = 0 [pid 5417] <... close resumed>) = 0 [pid 5415] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5408] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5417] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5410] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5410] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] <... munmap resumed>) = 0 [pid 5416] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5416] ioctl(4, LOOP_SET_FD, 3 [pid 5419] <... write resumed>) = 2097152 [pid 5418] <... write resumed>) = 2097152 [pid 5416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5419] munmap(0x7fb64aa3d000, 2097152 [pid 5418] munmap(0x7fb64aa3d000, 2097152 [pid 5416] ioctl(4, LOOP_CLR_FD [pid 5419] <... munmap resumed>) = 0 [pid 5418] <... munmap resumed>) = 0 [pid 5416] <... ioctl resumed>) = 0 [pid 5419] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5419] <... openat resumed>) = 4 [pid 5418] ioctl(4, LOOP_SET_FD, 3 [pid 5419] ioctl(4, LOOP_SET_FD, 3 [pid 5416] ioctl(4, LOOP_SET_FD, 3 [pid 5418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5419] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5416] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5419] ioctl(4, LOOP_CLR_FD [pid 5418] ioctl(4, LOOP_CLR_FD [pid 5416] close(4) = 0 [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5418] <... ioctl resumed>) = 0 [pid 5416] close(3 [pid 5419] <... ioctl resumed>) = 0 [pid 5409] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] <... close resumed>) = 0 [pid 5410] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] <... futex resumed>) = 0 [pid 5419] ioctl(4, LOOP_SET_FD, 3 [pid 5418] ioctl(4, LOOP_SET_FD, 3 [pid 5410] <... futex resumed>) = 0 [pid 5408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5410] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5416] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5419] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5418] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5416] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5410] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5409] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5408] <... mprotect resumed>) = 0 [pid 5419] close(4 [pid 5418] close(4 [pid 5416] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... mprotect resumed>) = 0 [pid 5409] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5419] <... close resumed>) = 0 [pid 5418] <... close resumed>) = 0 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] <... futex resumed>) = 0 [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] <... mprotect resumed>) = 0 [pid 5408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5419] close(3 [pid 5418] close(3 [pid 5416] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5412] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5408] <... clone3 resumed> => {parent_tid=[5420]}, 88) = 5420 [pid 5410] <... clone3 resumed> => {parent_tid=[5421]}, 88) = 5421 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5420 attached [pid 5420] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5420] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5420] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5418] <... close resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 5421 attached [pid 5419] <... close resumed>) = 0 [pid 5418] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5421] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5419] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5421] <... rseq resumed>) = 0 [pid 5419] <... futex resumed>) = 1 [pid 5418] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5409] <... clone3 resumed> => {parent_tid=[5422]}, 88) = 5422 ./strace-static-x86_64: Process 5422 attached [pid 5421] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5419] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5422] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5418] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5413] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5422] <... rseq resumed>) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5419] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5412] <... futex resumed>) = 0 [pid 5411] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5409] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5422] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5412] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5410] <... futex resumed>) = 0 [pid 5409] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5422] rt_sigprocmask(SIG_SETMASK, [], [pid 5412] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5412] <... mprotect resumed>) = 0 [pid 5410] <... mmap resumed>) = 0x7fb64abfb000 [pid 5408] <... mmap resumed>) = 0x7fb64abfb000 [pid 5422] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5408] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5410] <... mprotect resumed>) = 0 [pid 5408] <... mprotect resumed>) = 0 [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5408] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5423 attached [pid 5412] <... clone3 resumed> => {parent_tid=[5423]}, 88) = 5423 [pid 5410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5423] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] <... rseq resumed>) = 0 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... clone3 resumed> => {parent_tid=[5424]}, 88) = 5424 [pid 5408] <... clone3 resumed> => {parent_tid=[5425]}, 88) = 5425 ./strace-static-x86_64: Process 5424 attached [pid 5423] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5412] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5425 attached [pid 5424] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5423] <... set_robust_list resumed>) = 0 [pid 5413] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5424] <... rseq resumed>) = 0 [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] <... futex resumed>) = 0 [pid 5412] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... rseq resumed>) = 0 [pid 5424] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5411] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5408] <... futex resumed>) = 0 [pid 5425] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5423] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5413] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5425] <... set_robust_list resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5411] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5409] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... mprotect resumed>) = 0 [pid 5411] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5409] <... futex resumed>) = 0 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] ftruncate(-1, 33587195 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5411] <... mprotect resumed>) = 0 [pid 5409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5425] ftruncate(-1, 33587195 [pid 5424] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] <... mmap resumed>) = 0x7fb64abfb000 [pid 5425] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5409] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5410] <... futex resumed>) = 0 [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... clone3 resumed> => {parent_tid=[5426]}, 88) = 5426 [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... mprotect resumed>) = 0 [pid 5408] <... futex resumed>) = 0 [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... clone3 resumed> => {parent_tid=[5427]}, 88) = 5427 [pid 5410] <... futex resumed>) = 0 [pid 5409] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] sendfile(-1, -1, NULL, 281474978811909 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5408] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5427 attached ./strace-static-x86_64: Process 5426 attached [pid 5425] sendfile(-1, -1, NULL, 281474978811909 [pid 5424] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5413] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5426] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5425] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5428 attached [pid 5427] <... rseq resumed>) = 0 [pid 5426] <... rseq resumed>) = 0 [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5413] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... clone3 resumed> => {parent_tid=[5428]}, 88) = 5428 [pid 5428] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5427] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5426] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] <... futex resumed>) = 0 [pid 5411] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] <... futex resumed>) = 0 [pid 5428] <... rseq resumed>) = 0 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5427] rt_sigprocmask(SIG_SETMASK, [], [pid 5426] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5412] <... mmap resumed>) = 0x7fb64abfb000 [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5424] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5412] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5426] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5425] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... mprotect resumed>) = 0 [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5410] <... futex resumed>) = 0 [pid 5428] ftruncate(-1, 33587195 [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5428] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5410] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] lseek(-1, 257, SEEK_SET [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5425] lseek(-1, 257, SEEK_SET [pid 5424] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5412] <... clone3 resumed> => {parent_tid=[5429]}, 88) = 5429 [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] rt_sigprocmask(SIG_SETMASK, [], [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5429 attached [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5429] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5428] sendfile(-1, -1, NULL, 281474978811909 [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5429] <... rseq resumed>) = 0 [pid 5428] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] <... futex resumed>) = 0 [pid 5410] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] getdents64(-1, [pid 5412] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5428] <... futex resumed>) = 1 [pid 5425] getdents64(-1, [pid 5424] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5429] ftruncate(-1, 33587195 [pid 5428] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5410] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5429] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5428] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5410] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... futex resumed>) = 1 [pid 5425] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5412] <... futex resumed>) = 0 [pid 5411] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] <... futex resumed>) = 0 [pid 5408] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] <... openat resumed>) = 5 [pid 5413] <... futex resumed>) = 0 [pid 5429] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... openat resumed>) = 5 [pid 5424] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5412] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 1 [pid 5413] <... mmap resumed>) = 0x7fb64abfb000 [pid 5412] <... futex resumed>) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5410] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5429] sendfile(-1, -1, NULL, 281474978811909 [pid 5428] lseek(-1, 257, SEEK_SET [pid 5425] <... futex resumed>) = 1 [pid 5424] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5412] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] <... mmap resumed>) = 0x7fb64abfb000 [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... futex resumed>) = 0 [pid 5429] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5428] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5425] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... mprotect resumed>) = 0 [pid 5411] mprotect(0x7fb64abfc000, 131072, PROT_READ|PROT_WRITE [pid 5429] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5411] <... mprotect resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... futex resumed>) = 1 [pid 5413] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5409] <... futex resumed>) = 0 [pid 5429] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5412] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5430 attached [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] <... futex resumed>) = 0 [pid 5411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac1b990, parent_tid=0x7fb64ac1b990, exit_signal=0, stack=0x7fb64abfb000, stack_size=0x20300, tls=0x7fb64ac1b6c0} [pid 5409] <... futex resumed>) = 0 [pid 5430] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5429] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5428] getdents64(-1, [pid 5413] <... clone3 resumed> => {parent_tid=[5430]}, 88) = 5430 [pid 5412] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5430] <... rseq resumed>) = 0 [pid 5429] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5428] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5411] <... clone3 resumed> => {parent_tid=[5431]}, 88) = 5431 [pid 5430] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5429] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5411] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5431 attached [pid 5430] <... set_robust_list resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... futex resumed>) = 1 [pid 5413] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] <... futex resumed>) = 0 [pid 5411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5431] rseq(0x7fb64ac1bfe0, 0x20, 0, 0x53053053 [pid 5430] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... futex resumed>) = 0 [pid 5412] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5409] futex(0x7fb652f286e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... rseq resumed>) = 0 [pid 5430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5409] <... futex resumed>) = 0 [pid 5431] set_robust_list(0x7fb64ac1b9a0, 24 [pid 5430] ftruncate(-1, 33587195 [pid 5429] lseek(-1, 257, SEEK_SET [pid 5428] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5412] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5411] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] futex(0x7fb652f286ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] <... set_robust_list resumed>) = 0 [pid 5430] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5429] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5428] <... openat resumed>) = 5 [pid 5427] <... open resumed>) = 4 [pid 5426] <... open resumed>) = 4 [pid 5423] <... open resumed>) = 4 [pid 5422] <... open resumed>) = 4 [pid 5421] <... open resumed>) = 4 [pid 5420] <... open resumed>) = 4 [pid 5419] <... open resumed>) = 3 [pid 5418] <... open resumed>) = 3 [pid 5417] <... open resumed>) = 3 [pid 5416] <... open resumed>) = 3 [pid 5415] <... open resumed>) = 3 [pid 5414] <... open resumed>) = 3 [pid 5431] rt_sigprocmask(SIG_SETMASK, [], [pid 5430] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5416] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5430] <... futex resumed>) = 1 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... futex resumed>) = 1 [pid 5427] <... futex resumed>) = 0 [pid 5426] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 0 [pid 5420] <... futex resumed>) = 0 [pid 5419] <... futex resumed>) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5417] <... futex resumed>) = 0 [pid 5416] <... futex resumed>) = 0 [pid 5415] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5410] exit_group(0 [pid 5409] <... futex resumed>) = 0 [pid 5431] ftruncate(4, 33587195 [pid 5430] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5427] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] <... futex resumed>) = ? [pid 5423] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5422] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5418] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5415] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5414] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5412] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5410] <... exit_group resumed>) = ? [pid 5409] exit_group(0 [pid 5408] exit_group(0 [pid 5431] <... ftruncate resumed>) = 0 [pid 5428] <... futex resumed>) = ? [pid 5425] <... futex resumed>) = ? [pid 5424] +++ exited with 0 +++ [pid 5422] <... futex resumed>) = ? [pid 5421] +++ exited with 0 +++ [pid 5420] <... futex resumed>) = ? [pid 5418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] +++ exited with 0 +++ [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5415] <... futex resumed>) = ? [pid 5414] <... futex resumed>) = ? [pid 5413] <... futex resumed>) = 0 [pid 5412] <... futex resumed>) = 0 [pid 5410] +++ exited with 0 +++ [pid 5409] <... exit_group resumed>) = ? [pid 5408] <... exit_group resumed>) = ? [pid 5431] futex(0x7fb652f286ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5422] +++ exited with 0 +++ [pid 5420] +++ exited with 0 +++ [pid 5418] sendfile(3, 4, NULL, 281474978811909 [pid 5416] getdents64(-1, [pid 5415] +++ exited with 0 +++ [pid 5414] +++ exited with 0 +++ [pid 5413] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5409] +++ exited with 0 +++ [pid 5431] <... futex resumed>) = 1 [pid 5416] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5431] futex(0x7fb652f286e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5416] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5411] <... futex resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5416] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5411] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5408, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5416] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5022] <... restart_syscall resumed>) = 0 [pid 5419] sendfile(3, 4, NULL, 281474978811909 [pid 5416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5412] <... futex resumed>) = 0 [pid 5411] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5416] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5412] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... openat resumed>) = 3 [pid 5416] <... openat resumed>) = 5 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5416] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... ioctl resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... openat resumed>) = 3 [pid 5416] <... futex resumed>) = 1 [pid 5412] <... futex resumed>) = 0 [pid 5027] close(3 [pid 5025] <... openat resumed>) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5416] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5412] exit_group(0 [pid 5027] <... close resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5022] <... ioctl resumed>) = 0 [pid 5429] <... futex resumed>) = ? [pid 5423] <... futex resumed>) = ? [pid 5416] <... futex resumed>) = ? [pid 5412] <... exit_group resumed>) = ? [pid 5025] <... ioctl resumed>) = 0 [pid 5022] close(3 [pid 5429] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5416] +++ exited with 0 +++ [pid 5412] +++ exited with 0 +++ [pid 5025] close(3 [pid 5022] <... close resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5432 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5433 ./strace-static-x86_64: Process 5433 attached [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5412, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5433] set_robust_list(0x5555556096a0, 24) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5434 [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5020] <... openat resumed>) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5433] <... prctl resumed>) = 0 [pid 5433] setpgid(0, 0) = 0 [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5435 ./strace-static-x86_64: Process 5434 attached [pid 5434] set_robust_list(0x5555556096a0, 24) = 0 [pid 5433] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5435 attached ./strace-static-x86_64: Process 5432 attached [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] write(3, "1000", 4 [pid 5435] set_robust_list(0x5555556096a0, 24 [pid 5434] <... prctl resumed>) = 0 [pid 5432] set_robust_list(0x5555556096a0, 24 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] setpgid(0, 0 [pid 5432] <... set_robust_list resumed>) = 0 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] <... setpgid resumed>) = 0 [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5435] <... prctl resumed>) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] <... prctl resumed>) = 0 [pid 5435] setpgid(0, 0 [pid 5434] <... openat resumed>) = 3 [pid 5432] setpgid(0, 0 [pid 5435] <... setpgid resumed>) = 0 [pid 5434] write(3, "1000", 4 [pid 5433] <... write resumed>) = 4 [pid 5432] <... setpgid resumed>) = 0 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... write resumed>) = 4 [pid 5433] close(3 [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5435] <... openat resumed>) = 3 [pid 5434] close(3 [pid 5432] <... openat resumed>) = 3 [pid 5433] <... close resumed>) = 0 [pid 5435] write(3, "1000", 4 [pid 5434] <... close resumed>) = 0 [pid 5432] write(3, "1000", 4 [pid 5433] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... write resumed>) = 4 [pid 5434] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = 0 [pid 5432] <... write resumed>) = 4 [pid 5435] close(3 [pid 5434] <... futex resumed>) = 0 [pid 5433] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5432] close(3 [pid 5413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] <... close resumed>) = 0 [pid 5434] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5432] <... close resumed>) = 0 [pid 5413] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5435] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5432] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] <... futex resumed>) = 0 [pid 5413] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5426] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5413] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5426] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5433] <... mmap resumed>) = 0x7fb652e3d000 [pid 5432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5426] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5434] <... mmap resumed>) = 0x7fb652e3d000 [pid 5433] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5427] <... futex resumed>) = 0 [pid 5426] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 1 [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5433] <... mprotect resumed>) = 0 [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5426] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5434] <... mprotect resumed>) = 0 [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5427] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 [pid 5435] <... mmap resumed>) = 0x7fb652e3d000 [pid 5434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5432] <... mmap resumed>) = 0x7fb652e3d000 [pid 5427] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] lseek(-1, 257, SEEK_SET [pid 5413] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5432] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5427] <... futex resumed>) = 1 [pid 5426] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5411] <... futex resumed>) = 0 [pid 5435] <... mprotect resumed>) = 0 [pid 5434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5432] <... mprotect resumed>) = 0 [pid 5427] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5437 attached [pid 5435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5434] <... clone3 resumed> => {parent_tid=[5437]}, 88) = 5437 [pid 5433] <... clone3 resumed> => {parent_tid=[5436]}, 88) = 5436 [pid 5432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5427] lseek(-1, 257, SEEK_SET [pid 5426] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5434] rt_sigprocmask(SIG_SETMASK, [], [pid 5433] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5427] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5436 attached [pid 5437] <... rseq resumed>) = 0 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] getdents64(-1, [pid 5413] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5435] <... clone3 resumed> => {parent_tid=[5438]}, 88) = 5438 [pid 5434] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... clone3 resumed> => {parent_tid=[5439]}, 88) = 5439 [pid 5427] <... futex resumed>) = 1 [pid 5426] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5411] <... futex resumed>) = 0 [pid 5436] <... rseq resumed>) = 0 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5434] <... futex resumed>) = 0 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5427] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5439 attached [pid 5436] set_robust_list(0x7fb652e5d9a0, 24 [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5439] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5437] set_robust_list(0x7fb652e5d9a0, 24 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5435] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] getdents64(-1, [pid 5426] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... rseq resumed>) = 0 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5427] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5413] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5438 attached [pid 5439] set_robust_list(0x7fb652e5d9a0, 24 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5433] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5432] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5427] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5426] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5413] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5436] memfd_create("syzkaller", 0 [pid 5427] <... futex resumed>) = 1 [pid 5426] <... openat resumed>) = 5 [pid 5411] <... futex resumed>) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5438] <... rseq resumed>) = 0 [pid 5437] memfd_create("syzkaller", 0 [pid 5436] <... memfd_create resumed>) = 3 [pid 5427] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5426] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5438] set_robust_list(0x7fb652e5d9a0, 24 [pid 5437] <... memfd_create resumed>) = 3 [pid 5436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5426] <... futex resumed>) = 1 [pid 5413] <... futex resumed>) = 0 [pid 5411] <... futex resumed>) = 0 [pid 5439] memfd_create("syzkaller", 0 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5436] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5427] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5426] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5411] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... memfd_create resumed>) = 3 [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5437] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5427] <... openat resumed>) = 5 [pid 5439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5427] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5427] <... futex resumed>) = 1 [pid 5411] <... futex resumed>) = 0 [pid 5439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5438] memfd_create("syzkaller", 0 [pid 5427] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... memfd_create resumed>) = 3 [pid 5438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5436] <... write resumed>) = 2097152 [pid 5436] munmap(0x7fb64aa3d000, 2097152 [pid 5437] <... write resumed>) = 2097152 [pid 5439] <... write resumed>) = 2097152 [pid 5437] munmap(0x7fb64aa3d000, 2097152 [pid 5439] munmap(0x7fb64aa3d000, 2097152 [pid 5438] <... write resumed>) = 2097152 [pid 5437] <... munmap resumed>) = 0 [pid 5436] <... munmap resumed>) = 0 [pid 5438] munmap(0x7fb64aa3d000, 2097152 [pid 5437] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5438] <... munmap resumed>) = 0 [pid 5437] <... openat resumed>) = 4 [pid 5436] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5439] <... munmap resumed>) = 0 [pid 5437] ioctl(4, LOOP_SET_FD, 3 [pid 5439] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5438] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5437] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5436] <... openat resumed>) = 4 [pid 5438] <... openat resumed>) = 4 [pid 5437] ioctl(4, LOOP_CLR_FD [pid 5436] ioctl(4, LOOP_SET_FD, 3 [pid 5439] <... openat resumed>) = 4 [pid 5438] ioctl(4, LOOP_SET_FD, 3 [pid 5437] <... ioctl resumed>) = 0 [pid 5436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5438] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5436] ioctl(4, LOOP_CLR_FD [pid 5439] ioctl(4, LOOP_SET_FD, 3 [pid 5438] ioctl(4, LOOP_CLR_FD [pid 5436] <... ioctl resumed>) = 0 [pid 5439] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5438] <... ioctl resumed>) = 0 [pid 5439] ioctl(4, LOOP_CLR_FD [pid 5437] ioctl(4, LOOP_SET_FD, 3 [pid 5439] <... ioctl resumed>) = 0 [pid 5437] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5437] close(4 [pid 5436] ioctl(4, LOOP_SET_FD, 3 [pid 5438] ioctl(4, LOOP_SET_FD, 3 [pid 5437] <... close resumed>) = 0 [pid 5438] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5437] close(3 [pid 5438] close(4 [pid 5437] <... close resumed>) = 0 [pid 5436] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5439] ioctl(4, LOOP_SET_FD, 3 [pid 5438] <... close resumed>) = 0 [pid 5436] close(4 [pid 5439] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5438] close(3 [pid 5436] <... close resumed>) = 0 [pid 5439] close(4 [pid 5438] <... close resumed>) = 0 [pid 5437] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] close(3 [pid 5439] <... close resumed>) = 0 [pid 5437] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5437] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] close(3 [pid 5436] <... close resumed>) = 0 [pid 5435] <... futex resumed>) = 0 [pid 5434] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 1 [pid 5434] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... futex resumed>) = 0 [pid 5437] <... futex resumed>) = 0 [pid 5438] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5437] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5436] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5433] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5433] <... futex resumed>) = 0 [pid 5433] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... close resumed>) = 0 [pid 5439] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5432] <... futex resumed>) = 0 [pid 5439] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5432] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5432] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... open resumed>) = 3 [pid 5438] <... open resumed>) = 3 [pid 5437] <... open resumed>) = 3 [pid 5436] <... open resumed>) = 3 [pid 5439] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... futex resumed>) = 1 [pid 5438] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5439] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] <... futex resumed>) = 1 [pid 5436] <... futex resumed>) = 1 [pid 5435] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] <... futex resumed>) = 0 [pid 5434] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5439] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5438] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5436] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5434] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... open resumed>) = 4 [pid 5439] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... open resumed>) = 4 [pid 5437] <... open resumed>) = 4 [pid 5436] <... open resumed>) = 4 [pid 5439] <... futex resumed>) = 1 [pid 5438] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5439] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5438] <... futex resumed>) = 1 [pid 5437] <... futex resumed>) = 1 [pid 5436] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5438] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5437] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5439] ftruncate(4, 33587195 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] ftruncate(4, 33587195 [pid 5437] ftruncate(4, 33587195 [pid 5436] ftruncate(4, 33587195 [pid 5435] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... ftruncate resumed>) = 0 [pid 5438] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5438] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5438] sendfile(3, 4, NULL, 281474978811909 [pid 5435] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] <... ftruncate resumed>) = 0 [pid 5439] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5432] <... futex resumed>) = 0 [pid 5439] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5432] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5432] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5439] sendfile(3, 4, NULL, 281474978811909 [pid 5437] <... ftruncate resumed>) = 0 [pid 5437] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... ftruncate resumed>) = 0 [pid 5437] <... futex resumed>) = 1 [pid 5436] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... futex resumed>) = 0 [pid 5437] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] <... futex resumed>) = 1 [pid 5434] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = 0 [pid 5437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... futex resumed>) = 0 [pid 5436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5437] sendfile(3, 4, NULL, 281474978811909 [pid 5436] sendfile(3, 4, NULL, 281474978811909 [pid 5433] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5435] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5440 attached => {parent_tid=[5440]}, 88) = 5440 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5435] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5432] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5440] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5432] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5432] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5441 attached [pid 5440] <... rseq resumed>) = 0 [pid 5432] <... clone3 resumed> => {parent_tid=[5441]}, 88) = 5441 [pid 5432] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] <... rseq resumed>) = 0 [pid 5432] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5441] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5432] <... futex resumed>) = 0 [pid 5441] <... set_robust_list resumed>) = 0 [pid 5432] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5441] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5441] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5441] <... futex resumed>) = 1 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5434] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5432] <... futex resumed>) = 0 [pid 5441] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5433] <... futex resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5441] lseek(-1, 257, SEEK_SET [pid 5440] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5434] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5440] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5433] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5441] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5434] <... mprotect resumed>) = 0 [pid 5433] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5441] <... futex resumed>) = 1 [pid 5440] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5433] <... mprotect resumed>) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5441] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5434] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5432] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] lseek(-1, 257, SEEK_SET [pid 5435] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5432] <... futex resumed>) = 0 [pid 5441] getdents64(-1, [pid 5440] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5432] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5441] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5440] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... clone3 resumed> => {parent_tid=[5442]}, 88) = 5442 ./strace-static-x86_64: Process 5442 attached [pid 5441] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5434] rt_sigprocmask(SIG_SETMASK, [], [pid 5433] <... clone3 resumed> => {parent_tid=[5443]}, 88) = 5443 [pid 5441] <... futex resumed>) = 1 [pid 5440] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5435] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5433] rt_sigprocmask(SIG_SETMASK, [], [pid 5432] <... futex resumed>) = 0 [pid 5442] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5441] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5435] <... futex resumed>) = 0 [pid 5434] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5432] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5443 attached [pid 5442] <... rseq resumed>) = 0 [pid 5441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] getdents64(-1, [pid 5435] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5434] <... futex resumed>) = 0 [pid 5433] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5443] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5442] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5441] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5440] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5434] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] <... futex resumed>) = 0 [pid 5432] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... rseq resumed>) = 0 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] <... openat resumed>) = 5 [pid 5440] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = 1 [pid 5435] <... futex resumed>) = 0 [pid 5443] <... set_robust_list resumed>) = 0 [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5441] <... futex resumed>) = 1 [pid 5440] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5435] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5432] <... futex resumed>) = 0 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5442] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5441] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5440] <... openat resumed>) = 5 [pid 5435] <... futex resumed>) = 0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5440] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] <... futex resumed>) = 0 [pid 5443] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5442] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5442] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5443] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 1 [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5443] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] lseek(-1, 257, SEEK_SET [pid 5434] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] exit_group(0 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5433] <... futex resumed>) = 0 [pid 5431] <... futex resumed>) = ? [pid 5427] <... futex resumed>) = ? [pid 5411] <... exit_group resumed>) = ? [pid 5443] lseek(-1, 257, SEEK_SET [pid 5442] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5431] +++ exited with 0 +++ [pid 5427] +++ exited with 0 +++ [pid 5419] <... sendfile resumed>) = ? [pid 5443] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5442] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5419] +++ exited with 0 +++ [pid 5413] exit_group(0 [pid 5411] +++ exited with 0 +++ [pid 5443] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] getdents64(-1, [pid 5434] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5430] <... futex resumed>) = ? [pid 5426] <... futex resumed>) = ? [pid 5413] <... exit_group resumed>) = ? [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5443] <... futex resumed>) = 1 [pid 5442] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5430] +++ exited with 0 +++ [pid 5426] +++ exited with 0 +++ [pid 5443] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5434] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5433] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] <... futex resumed>) = 0 [pid 5434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5433] <... futex resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5443] getdents64(-1, [pid 5442] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5434] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5434] <... futex resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5443] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5434] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5443] <... futex resumed>) = 1 [pid 5442] <... openat resumed>) = 5 [pid 5433] <... futex resumed>) = 0 [pid 5443] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5433] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] <... futex resumed>) = 1 [pid 5434] <... futex resumed>) = 0 [pid 5433] <... futex resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5443] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5442] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] close(3 [pid 5443] <... openat resumed>) = 5 [pid 5418] <... sendfile resumed>) = ? [pid 5021] <... close resumed>) = 0 [pid 5443] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] +++ exited with 0 +++ [pid 5413] +++ exited with 0 +++ [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5443] <... futex resumed>) = 1 [pid 5433] <... futex resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5444 ./strace-static-x86_64: Process 5444 attached [pid 5444] set_robust_list(0x5555556096a0, 24 [pid 5443] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] <... set_robust_list resumed>) = 0 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5444] <... prctl resumed>) = 0 [pid 5444] setpgid(0, 0 [pid 5019] <... openat resumed>) = 3 [pid 5444] <... setpgid resumed>) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5019] <... ioctl resumed>) = 0 [pid 5444] <... openat resumed>) = 3 [pid 5019] close(3 [pid 5444] write(3, "1000", 4 [pid 5019] <... close resumed>) = 0 [pid 5444] <... write resumed>) = 4 [pid 5444] close(3) = 0 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5444] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5445 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 ./strace-static-x86_64: Process 5445 attached [pid 5444] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5445] set_robust_list(0x5555556096a0, 24 [pid 5444] <... mprotect resumed>) = 0 [pid 5445] <... set_robust_list resumed>) = 0 [pid 5444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5445] <... prctl resumed>) = 0 [pid 5444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5445] setpgid(0, 0) = 0 [pid 5444] <... clone3 resumed> => {parent_tid=[5446]}, 88) = 5446 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5446 attached [pid 5445] <... openat resumed>) = 3 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5446] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5445] write(3, "1000", 4 [pid 5444] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... rseq resumed>) = 0 [pid 5445] <... write resumed>) = 4 [pid 5444] <... futex resumed>) = 0 [pid 5446] set_robust_list(0x7fb652e5d9a0, 24 [pid 5445] close(3 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5446] <... set_robust_list resumed>) = 0 [pid 5445] <... close resumed>) = 0 [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5446] memfd_create("syzkaller", 0 [pid 5445] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5446] <... memfd_create resumed>) = 3 [pid 5445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5446] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5445] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5445] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5447]}, 88) = 5447 [pid 5445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5447 attached [pid 5445] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5445] <... futex resumed>) = 0 [pid 5447] <... rseq resumed>) = 0 [pid 5445] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5447] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5447] memfd_create("syzkaller", 0) = 3 [pid 5447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5446] <... write resumed>) = 2097152 [pid 5446] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5446] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5446] ioctl(4, LOOP_CLR_FD) = 0 [pid 5447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5446] close(4) = 0 [pid 5446] close(3) = 0 [pid 5446] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5447] <... write resumed>) = 2097152 [pid 5446] <... open resumed>) = 3 [pid 5446] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] munmap(0x7fb64aa3d000, 2097152 [pid 5446] <... futex resumed>) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5444] <... futex resumed>) = 0 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... munmap resumed>) = 0 [pid 5447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5447] ioctl(4, LOOP_CLR_FD) = 0 [pid 5447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5447] close(4) = 0 [pid 5447] close(3 [pid 5446] <... open resumed>) = 4 [pid 5446] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5446] ftruncate(4, 33587195 [pid 5444] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... close resumed>) = 0 [pid 5447] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5447] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5447] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5445] <... futex resumed>) = 0 [pid 5445] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... ftruncate resumed>) = 0 [pid 5446] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5446] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5444] <... futex resumed>) = 0 [pid 5446] sendfile(3, 4, NULL, 281474978811909 [pid 5444] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... open resumed>) = 3 [pid 5447] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5447] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 [pid 5447] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5445] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... open resumed>) = 4 [pid 5447] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5435] exit_group(0 [pid 5447] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = ? [pid 5435] <... exit_group resumed>) = ? [pid 5447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 [pid 5440] +++ exited with 0 +++ [pid 5438] <... sendfile resumed>) = ? [pid 5447] ftruncate(4, 33587195 [pid 5445] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] +++ exited with 0 +++ [pid 5435] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5448 [pid 5444] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5444] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 ./strace-static-x86_64: Process 5448 attached [pid 5444] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5448] set_robust_list(0x5555556096a0, 24 [pid 5444] <... mprotect resumed>) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5444] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5444] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5448] <... prctl resumed>) = 0 [pid 5444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5432] exit_group(0 [pid 5448] setpgid(0, 0 [pid 5441] <... futex resumed>) = ? [pid 5432] <... exit_group resumed>) = ? [pid 5448] <... setpgid resumed>) = 0 [pid 5444] <... clone3 resumed> => {parent_tid=[5449]}, 88) = 5449 [pid 5441] +++ exited with 0 +++ [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] <... openat resumed>) = 3 [pid 5444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] write(3, "1000", 4 [pid 5444] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5449 attached [pid 5448] <... write resumed>) = 4 [pid 5444] <... futex resumed>) = 0 [pid 5449] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5448] close(3 [pid 5444] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... rseq resumed>) = 0 [pid 5448] <... close resumed>) = 0 [pid 5447] <... ftruncate resumed>) = 0 [pid 5449] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5447] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5449] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5447] sendfile(3, 4, NULL, 281474978811909 [pid 5445] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5439] <... sendfile resumed>) = ? [pid 5449] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5445] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5434] exit_group(0 [pid 5449] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5442] <... futex resumed>) = ? [pid 5434] <... exit_group resumed>) = ? [pid 5449] <... futex resumed>) = 1 [pid 5448] <... mmap resumed>) = 0x7fb652e3d000 [pid 5444] <... futex resumed>) = 0 [pid 5442] +++ exited with 0 +++ [pid 5439] +++ exited with 0 +++ [pid 5432] +++ exited with 0 +++ [pid 5449] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5444] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5432, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... mprotect resumed>) = 0 [pid 5444] <... futex resumed>) = 0 [pid 5449] lseek(-1, 257, SEEK_SET [pid 5448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5444] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5449] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5449] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5449] <... futex resumed>) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5449] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] <... clone3 resumed> => {parent_tid=[5450]}, 88) = 5450 [pid 5444] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5444] <... futex resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5449] getdents64(-1, [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5444] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5449] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5448] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... ioctl resumed>) = 0 [pid 5449] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... futex resumed>) = 0 [pid 5437] <... sendfile resumed>) = ? [pid 5022] close(3 [pid 5449] <... futex resumed>) = 1 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5444] <... futex resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5449] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5444] <... futex resumed>) = 0 [pid 5437] +++ exited with 0 +++ [pid 5434] +++ exited with 0 +++ [pid 5449] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5444] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5451 [pid 5449] <... openat resumed>) = 5 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5449] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5449] <... futex resumed>) = 1 [pid 5444] <... futex resumed>) = 0 [pid 5433] exit_group(0 [pid 5027] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5451 attached [pid 5449] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5433] <... exit_group resumed>) = ? [pid 5451] set_robust_list(0x5555556096a0, 24 [pid 5443] <... futex resumed>) = ? [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5451] <... set_robust_list resumed>) = 0 [pid 5443] +++ exited with 0 +++ [pid 5027] <... ioctl resumed>) = 0 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] <... sendfile resumed>) = ? [pid 5027] close(3 [pid 5451] <... prctl resumed>) = 0 [pid 5451] setpgid(0, 0) = 0 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5436] +++ exited with 0 +++ [pid 5433] +++ exited with 0 +++ [pid 5027] <... close resumed>) = 0 [pid 5451] write(3, "1000", 4 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5451] <... write resumed>) = 4 [pid 5451] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5451] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5452 [pid 5025] <... openat resumed>) = 3 [pid 5451] <... futex resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5451] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5025] <... ioctl resumed>) = 0 [pid 5451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5025] close(3 [pid 5451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5025] <... close resumed>) = 0 ./strace-static-x86_64: Process 5452 attached [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] set_robust_list(0x5555556096a0, 24 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5451] <... mmap resumed>) = 0x7fb652e3d000 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5453 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5451] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5452] <... prctl resumed>) = 0 [pid 5451] <... mprotect resumed>) = 0 [pid 5452] setpgid(0, 0 [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5452] <... setpgid resumed>) = 0 [pid 5451] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5453 attached [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5453] set_robust_list(0x5555556096a0, 24 [pid 5452] <... openat resumed>) = 3 [pid 5453] <... set_robust_list resumed>) = 0 [pid 5452] write(3, "1000", 4 [pid 5451] <... clone3 resumed> => {parent_tid=[5454]}, 88) = 5454 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5452] <... write resumed>) = 4 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5450 attached [pid 5453] <... prctl resumed>) = 0 [pid 5452] close(3 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] setpgid(0, 0 [pid 5452] <... close resumed>) = 0 [pid 5451] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... setpgid resumed>) = 0 [pid 5452] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... futex resumed>) = 0 [pid 5450] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] <... futex resumed>) = 0 [pid 5451] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5453] <... openat resumed>) = 3 [pid 5452] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5450] <... rseq resumed>) = 0 [pid 5453] write(3, "1000", 4 [pid 5452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5450] set_robust_list(0x7fb652e5d9a0, 24 [pid 5453] <... write resumed>) = 4 [pid 5452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5453] close(3 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5453] <... close resumed>) = 0 [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... mmap resumed>) = 0x7fb652e3d000 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] <... futex resumed>) = 0 [pid 5452] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5452] <... mprotect resumed>) = 0 [pid 5450] memfd_create("syzkaller", 0 [pid 5453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5445] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5450] <... memfd_create resumed>) = 3 [pid 5445] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5445] <... futex resumed>) = 0 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] <... mmap resumed>) = 0x7fb652e3d000 [pid 5452] <... clone3 resumed> => {parent_tid=[5455]}, 88) = 5455 [pid 5445] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5453] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5445] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5453] <... mprotect resumed>) = 0 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] <... mprotect resumed>) = 0 [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5452] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5445] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5455 attached ./strace-static-x86_64: Process 5454 attached [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5452] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5455] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5454] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5455] <... rseq resumed>) = 0 [pid 5454] <... rseq resumed>) = 0 [pid 5453] <... clone3 resumed> => {parent_tid=[5456]}, 88) = 5456 [pid 5445] <... clone3 resumed> => {parent_tid=[5457]}, 88) = 5457 [pid 5455] set_robust_list(0x7fb652e5d9a0, 24 [pid 5454] set_robust_list(0x7fb652e5d9a0, 24 [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] rt_sigprocmask(SIG_SETMASK, [], [pid 5455] <... set_robust_list resumed>) = 0 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... set_robust_list resumed>) = 0 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] rt_sigprocmask(SIG_SETMASK, [], [pid 5453] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5457 attached ./strace-static-x86_64: Process 5456 attached [pid 5455] memfd_create("syzkaller", 0 [pid 5454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5445] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5456] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5455] <... memfd_create resumed>) = 3 [pid 5457] <... rseq resumed>) = 0 [pid 5456] <... rseq resumed>) = 0 [pid 5455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5454] memfd_create("syzkaller", 0 [pid 5457] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5456] set_robust_list(0x7fb652e5d9a0, 24 [pid 5455] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5454] <... memfd_create resumed>) = 3 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5457] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5456] memfd_create("syzkaller", 0 [pid 5454] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5457] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5456] <... memfd_create resumed>) = 3 [pid 5457] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5457] <... futex resumed>) = 1 [pid 5456] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5445] <... futex resumed>) = 0 [pid 5457] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 [pid 5457] lseek(-1, 257, SEEK_SET [pid 5445] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5457] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5457] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5457] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5445] <... futex resumed>) = 0 [pid 5457] getdents64(-1, [pid 5445] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5457] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5457] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5445] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 [pid 5457] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5445] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5457] <... openat resumed>) = 5 [pid 5457] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5457] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5455] <... write resumed>) = 2097152 [pid 5456] <... write resumed>) = 2097152 [pid 5455] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5455] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5455] ioctl(4, LOOP_CLR_FD) = 0 [pid 5455] ioctl(4, LOOP_SET_FD, 3 [pid 5456] munmap(0x7fb64aa3d000, 2097152 [pid 5455] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5456] <... munmap resumed>) = 0 [pid 5455] close(4) = 0 [pid 5455] close(3) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] ioctl(4, LOOP_CLR_FD) = 0 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] close(4) = 0 [pid 5456] close(3 [pid 5450] <... write resumed>) = 2097152 [pid 5455] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5452] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] <... futex resumed>) = 1 [pid 5455] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5450] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5450] ioctl(4, LOOP_CLR_FD) = 0 [pid 5456] <... close resumed>) = 0 [pid 5450] ioctl(4, LOOP_SET_FD, 3 [pid 5456] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5456] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5450] close(4 [pid 5456] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5453] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... close resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5450] close(3 [pid 5455] <... open resumed>) = 3 [pid 5454] <... write resumed>) = 2097152 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] munmap(0x7fb64aa3d000, 2097152 [pid 5450] <... close resumed>) = 0 [pid 5455] <... futex resumed>) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5455] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5452] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5452] <... futex resumed>) = 0 [pid 5455] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5452] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] <... open resumed>) = 3 [pid 5456] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5456] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5456] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5454] <... munmap resumed>) = 0 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5450] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... openat resumed>) = 4 [pid 5448] <... futex resumed>) = 0 [pid 5448] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... futex resumed>) = 1 [pid 5450] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5455] <... open resumed>) = 4 [pid 5454] ioctl(4, LOOP_CLR_FD [pid 5456] <... open resumed>) = 4 [pid 5455] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... open resumed>) = 3 [pid 5454] <... ioctl resumed>) = 0 [pid 5456] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = 1 [pid 5452] <... futex resumed>) = 0 [pid 5450] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = 1 [pid 5455] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5456] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5454] ioctl(4, LOOP_SET_FD, 3 [pid 5453] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5450] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] ftruncate(4, 33587195 [pid 5454] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5456] ftruncate(4, 33587195 [pid 5454] close(4 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] <... close resumed>) = 0 [pid 5456] <... ftruncate resumed>) = 0 [pid 5455] <... ftruncate resumed>) = 0 [pid 5454] close(3 [pid 5450] <... open resumed>) = 4 [pid 5456] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5456] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5456] sendfile(3, 4, NULL, 281474978811909 [pid 5455] sendfile(3, 4, NULL, 281474978811909 [pid 5453] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] ftruncate(4, 33587195 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] <... close resumed>) = 0 [pid 5454] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5454] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5454] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5451] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5450] <... ftruncate resumed>) = 0 [pid 5450] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5450] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5450] sendfile(3, 4, NULL, 281474978811909 [pid 5448] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] <... open resumed>) = 3 [pid 5454] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5454] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5452] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5451] <... futex resumed>) = 0 [pid 5454] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5453] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5453] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5452] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5454] <... open resumed>) = 4 [pid 5454] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5452] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5454] <... futex resumed>) = 1 [pid 5453] <... mprotect resumed>) = 0 [pid 5452] <... mprotect resumed>) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5454] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5451] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5451] <... futex resumed>) = 0 [pid 5453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5451] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5454] ftruncate(4, 33587195 [pid 5453] <... clone3 resumed> => {parent_tid=[5458]}, 88) = 5458 [pid 5452] <... clone3 resumed> => {parent_tid=[5459]}, 88) = 5459 [pid 5448] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5458 attached [pid 5453] rt_sigprocmask(SIG_SETMASK, [], [pid 5452] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5459 attached [pid 5458] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5459] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5458] <... rseq resumed>) = 0 [pid 5453] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5459] <... rseq resumed>) = 0 [pid 5458] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5454] <... ftruncate resumed>) = 0 [pid 5453] <... futex resumed>) = 0 [pid 5452] <... futex resumed>) = 0 [pid 5448] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5459] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5454] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5453] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5454] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5448] <... mprotect resumed>) = 0 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5459] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5458] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5454] sendfile(3, 4, NULL, 281474978811909 [pid 5451] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5460 attached [pid 5459] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5458] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5459] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5448] <... clone3 resumed> => {parent_tid=[5460]}, 88) = 5460 [pid 5460] <... rseq resumed>) = 0 [pid 5459] <... futex resumed>) = 1 [pid 5458] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5459] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... set_robust_list resumed>) = 0 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] lseek(-1, 257, SEEK_SET [pid 5453] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 0 [pid 5448] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5459] lseek(-1, 257, SEEK_SET [pid 5458] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5452] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... futex resumed>) = 0 [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5459] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5458] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5459] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5460] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5459] <... futex resumed>) = 1 [pid 5458] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] getdents64(-1, [pid 5453] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] getdents64(-1, [pid 5458] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5452] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5458] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... futex resumed>) = 0 [pid 5460] lseek(-1, 257, SEEK_SET [pid 5459] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... futex resumed>) = 1 [pid 5448] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5453] <... futex resumed>) = 0 [pid 5460] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5459] <... futex resumed>) = 1 [pid 5458] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5453] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5453] <... futex resumed>) = 0 [pid 5452] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5458] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5453] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 0 [pid 5448] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5458] <... openat resumed>) = 5 [pid 5452] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... futex resumed>) = 0 [pid 5459] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... futex resumed>) = 1 [pid 5460] getdents64(-1, [pid 5458] <... futex resumed>) = 1 [pid 5453] <... futex resumed>) = 0 [pid 5448] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5458] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5460] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] <... futex resumed>) = 0 [pid 5460] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5448] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... openat resumed>) = 5 [pid 5460] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5448] <... futex resumed>) = 0 [pid 5460] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5444] exit_group(0 [pid 5449] <... futex resumed>) = ? [pid 5444] <... exit_group resumed>) = ? [pid 5449] +++ exited with 0 +++ [pid 5446] <... sendfile resumed>) = ? [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5446] +++ exited with 0 +++ [pid 5444] +++ exited with 0 +++ [pid 5451] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5444, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5451] <... futex resumed>) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5451] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5451] <... mprotect resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5021] close(3./strace-static-x86_64: Process 5461 attached ) = 0 [pid 5461] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5451] <... clone3 resumed> => {parent_tid=[5461]}, 88) = 5461 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5461] <... rseq resumed>) = 0 [pid 5451] rt_sigprocmask(SIG_SETMASK, [], [pid 5461] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] <... set_robust_list resumed>) = 0 [pid 5451] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] <... futex resumed>) = 0 [pid 5461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5451] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5462 ./strace-static-x86_64: Process 5462 attached [pid 5461] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5462] set_robust_list(0x5555556096a0, 24 [pid 5461] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... set_robust_list resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... prctl resumed>) = 0 [pid 5461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5462] setpgid(0, 0 [pid 5461] lseek(-1, 257, SEEK_SET [pid 5451] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... setpgid resumed>) = 0 [pid 5461] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5461] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... openat resumed>) = 3 [pid 5461] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5462] write(3, "1000", 4 [pid 5461] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... write resumed>) = 4 [pid 5461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5462] close(3 [pid 5461] getdents64(-1, [pid 5451] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... close resumed>) = 0 [pid 5461] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5462] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5462] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5461] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5451] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5451] <... futex resumed>) = 0 [pid 5462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5461] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5451] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5461] <... openat resumed>) = 5 [pid 5462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5461] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... mmap resumed>) = 0x7fb652e3d000 [pid 5461] <... futex resumed>) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5462] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5461] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] <... mprotect resumed>) = 0 [pid 5462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5463]}, 88) = 5463 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5462] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5463 attached [pid 5463] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5463] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5463] memfd_create("syzkaller", 0) = 3 [pid 5463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5445] exit_group(0 [pid 5457] <... futex resumed>) = ? [pid 5445] <... exit_group resumed>) = ? [pid 5457] +++ exited with 0 +++ [pid 5447] <... sendfile resumed>) = ? [pid 5463] <... write resumed>) = 2097152 [pid 5447] +++ exited with 0 +++ [pid 5445] +++ exited with 0 +++ [pid 5463] munmap(0x7fb64aa3d000, 2097152 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5463] <... munmap resumed>) = 0 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5463] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] <... restart_syscall resumed>) = 0 [pid 5463] <... openat resumed>) = 4 [pid 5463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5463] ioctl(4, LOOP_CLR_FD [pid 5019] <... openat resumed>) = 3 [pid 5463] <... ioctl resumed>) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5463] ioctl(4, LOOP_SET_FD, 3 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5464 [pid 5463] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5463] close(4) = 0 [pid 5463] close(3./strace-static-x86_64: Process 5464 attached [pid 5464] set_robust_list(0x5555556096a0, 24) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5464] setpgid(0, 0 [pid 5463] <... close resumed>) = 0 [pid 5463] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5463] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5462] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5463] <... open resumed>) = 3 [pid 5463] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5464] <... setpgid resumed>) = 0 [pid 5463] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5463] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5462] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... openat resumed>) = 3 [pid 5464] write(3, "1000", 4) = 4 [pid 5464] close(3) = 0 [pid 5464] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5464] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5463] <... open resumed>) = 4 [pid 5463] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... mprotect resumed>) = 0 [pid 5463] <... futex resumed>) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5463] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5463] ftruncate(4, 33587195 [pid 5462] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... clone3 resumed> => {parent_tid=[5465]}, 88) = 5465 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5465 attached [pid 5465] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5464] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... rseq resumed>) = 0 [pid 5465] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5465] memfd_create("syzkaller", 0 [pid 5464] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5465] <... memfd_create resumed>) = 3 [pid 5465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5463] <... ftruncate resumed>) = 0 [pid 5463] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5463] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = 0 [pid 5463] sendfile(3, 4, NULL, 281474978811909 [pid 5462] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152) = 2097152 [pid 5465] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5465] ioctl(4, LOOP_SET_FD, 3 [pid 5462] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5462] <... futex resumed>) = 0 [pid 5465] ioctl(4, LOOP_CLR_FD [pid 5462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5465] <... ioctl resumed>) = 0 [pid 5462] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5462] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5465] ioctl(4, LOOP_SET_FD, 3 [pid 5462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5465] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5466 attached [pid 5465] close(4 [pid 5462] <... clone3 resumed> => {parent_tid=[5466]}, 88) = 5466 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5462] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5462] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5465] <... close resumed>) = 0 [pid 5465] close(3 [pid 5466] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5453] exit_group(0 [pid 5466] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5458] <... futex resumed>) = ? [pid 5453] <... exit_group resumed>) = ? [pid 5456] <... sendfile resumed>) = ? [pid 5466] <... set_robust_list resumed>) = 0 [pid 5458] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5453] +++ exited with 0 +++ [pid 5466] rt_sigprocmask(SIG_SETMASK, [], [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5465] <... close resumed>) = 0 [pid 5466] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5465] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5452] exit_group(0 [pid 5466] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5465] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = ? [pid 5452] <... exit_group resumed>) = ? [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5459] +++ exited with 0 +++ [pid 5025] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5464] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] close(3 [pid 5466] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5466] <... futex resumed>) = 1 [pid 5464] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... futex resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5466] lseek(-1, 257, SEEK_SET [pid 5462] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... sendfile resumed>) = ? [pid 5466] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5462] <... futex resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5467 [pid 5462] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] +++ exited with 0 +++ [pid 5452] +++ exited with 0 +++ [pid 5466] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5462] <... futex resumed>) = 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5466] getdents64(-1, [pid 5462] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5467 attached [pid 5466] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5465] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5462] <... futex resumed>) = 0 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5467] set_robust_list(0x5555556096a0, 24 [pid 5466] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... set_robust_list resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5466] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5467] <... prctl resumed>) = 0 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] <... futex resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5467] setpgid(0, 0 [pid 5466] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5462] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5467] <... setpgid resumed>) = 0 [pid 5466] <... openat resumed>) = 5 [pid 5465] <... open resumed>) = 3 [pid 5027] <... ioctl resumed>) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5466] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] close(3 [pid 5467] <... openat resumed>) = 3 [pid 5466] <... futex resumed>) = 1 [pid 5465] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5462] <... futex resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5467] write(3, "1000", 4 [pid 5466] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5465] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5464] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5467] <... write resumed>) = 4 [pid 5467] close(3 [pid 5464] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5468 attached [pid 5467] <... close resumed>) = 0 [pid 5465] <... open resumed>) = 4 [pid 5464] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] set_robust_list(0x5555556096a0, 24 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5465] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5468 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5465] <... futex resumed>) = 0 [pid 5464] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5465] ftruncate(4, 33587195 [pid 5464] <... futex resumed>) = 0 [pid 5468] <... prctl resumed>) = 0 [pid 5467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5464] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] setpgid(0, 0 [pid 5467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5468] <... setpgid resumed>) = 0 [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] <... openat resumed>) = 3 [pid 5467] <... mmap resumed>) = 0x7fb652e3d000 [pid 5468] write(3, "1000", 4 [pid 5467] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5468] <... write resumed>) = 4 [pid 5467] <... mprotect resumed>) = 0 [pid 5468] close(3 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5465] <... ftruncate resumed>) = 0 [pid 5468] <... close resumed>) = 0 [pid 5467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5465] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5465] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5468] <... futex resumed>) = 0 [pid 5465] sendfile(3, 4, NULL, 281474978811909 [pid 5464] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5467] <... clone3 resumed> => {parent_tid=[5469]}, 88) = 5469 [pid 5464] <... futex resumed>) = 0 [pid 5468] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5469 attached [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5467] <... futex resumed>) = 0 [pid 5469] <... rseq resumed>) = 0 [pid 5468] <... mmap resumed>) = 0x7fb652e3d000 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5469] set_robust_list(0x7fb652e5d9a0, 24 [pid 5468] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5469] <... set_robust_list resumed>) = 0 [pid 5468] <... mprotect resumed>) = 0 [pid 5469] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5448] exit_group(0 [pid 5469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5460] <... futex resumed>) = ? [pid 5448] <... exit_group resumed>) = ? [pid 5450] <... sendfile resumed>) = ? [pid 5469] memfd_create("syzkaller", 0 [pid 5468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5460] +++ exited with 0 +++ [pid 5469] <... memfd_create resumed>) = 3 [pid 5469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5468] <... clone3 resumed> => {parent_tid=[5470]}, 88) = 5470 [pid 5469] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] +++ exited with 0 +++ [pid 5448] +++ exited with 0 +++ [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5468] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5468] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5468] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5470 attached [pid 5469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5020] <... openat resumed>) = 3 [pid 5470] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5470] <... rseq resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5470] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5020] close(3 [pid 5470] rt_sigprocmask(SIG_SETMASK, [], [pid 5451] exit_group(0 [pid 5461] <... futex resumed>) = ? [pid 5451] <... exit_group resumed>) = ? [pid 5470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5454] <... sendfile resumed>) = ? [pid 5020] <... close resumed>) = 0 [pid 5461] +++ exited with 0 +++ [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5471 [pid 5454] +++ exited with 0 +++ [pid 5451] +++ exited with 0 +++ [pid 5470] memfd_create("syzkaller", 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5451, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5470] <... memfd_create resumed>) = 3 [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5022] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5471 attached [pid 5470] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5471] set_robust_list(0x5555556096a0, 24 [pid 5469] <... write resumed>) = 2097152 [pid 5464] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5471] <... set_robust_list resumed>) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5022] <... openat resumed>) = 3 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5464] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5471] <... prctl resumed>) = 0 [pid 5464] <... mprotect resumed>) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5471] setpgid(0, 0 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5022] close(3 [pid 5471] <... setpgid resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5022] <... close resumed>) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5471] <... openat resumed>) = 3 [pid 5471] write(3, "1000", 4 [pid 5464] <... clone3 resumed> => {parent_tid=[5472]}, 88) = 5472 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5473 [pid 5471] <... write resumed>) = 4 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] close(3 [pid 5469] munmap(0x7fb64aa3d000, 2097152 [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5472 attached [pid 5471] <... close resumed>) = 0 [pid 5464] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5471] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 [pid 5472] <... rseq resumed>) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5469] <... munmap resumed>) = 0 [pid 5464] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5473 attached [pid 5472] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5471] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5469] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5473] set_robust_list(0x5555556096a0, 24 [pid 5472] <... set_robust_list resumed>) = 0 [pid 5471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5469] <... openat resumed>) = 4 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5469] ioctl(4, LOOP_SET_FD, 3 [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5469] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5473] <... prctl resumed>) = 0 [pid 5472] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5469] ioctl(4, LOOP_CLR_FD [pid 5473] setpgid(0, 0 [pid 5472] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5471] <... mmap resumed>) = 0x7fb652e3d000 [pid 5469] <... ioctl resumed>) = 0 [pid 5473] <... setpgid resumed>) = 0 [pid 5472] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] <... futex resumed>) = 1 [pid 5471] <... mprotect resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5473] <... openat resumed>) = 3 [pid 5472] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5464] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] write(3, "1000", 4 [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5469] ioctl(4, LOOP_SET_FD, 3 [pid 5464] <... futex resumed>) = 0 [pid 5473] <... write resumed>) = 4 [pid 5472] lseek(-1, 257, SEEK_SET [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5469] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5464] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5473] close(3 [pid 5472] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5469] close(4 [pid 5473] <... close resumed>) = 0 [pid 5472] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... clone3 resumed> => {parent_tid=[5474]}, 88) = 5474 [pid 5469] <... close resumed>) = 0 [pid 5473] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5472] <... futex resumed>) = 1 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5469] close(3 [pid 5464] <... futex resumed>) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5472] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5474 attached [pid 5473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5472] getdents64(-1, [pid 5471] <... futex resumed>) = 0 [pid 5464] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5472] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5471] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5474] <... rseq resumed>) = 0 [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5472] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] set_robust_list(0x7fb652e5d9a0, 24 [pid 5473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5472] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5473] <... mmap resumed>) = 0x7fb652e3d000 [pid 5472] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5469] <... close resumed>) = 0 [pid 5464] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5473] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5470] <... write resumed>) = 2097152 [pid 5469] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = 0 [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5473] <... mprotect resumed>) = 0 [pid 5472] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5470] munmap(0x7fb64aa3d000, 2097152 [pid 5469] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5464] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] memfd_create("syzkaller", 0 [pid 5473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5472] <... openat resumed>) = 5 [pid 5469] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... memfd_create resumed>) = 3 [pid 5473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5472] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... munmap resumed>) = 0 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5472] <... futex resumed>) = 1 [pid 5470] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5469] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5475 attached [pid 5474] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5472] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... openat resumed>) = 4 [pid 5475] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5473] <... clone3 resumed> => {parent_tid=[5475]}, 88) = 5475 [pid 5473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5473] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] <... rseq resumed>) = 0 [pid 5473] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5470] ioctl(4, LOOP_SET_FD, 3 [pid 5475] set_robust_list(0x7fb652e5d9a0, 24 [pid 5470] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5475] <... set_robust_list resumed>) = 0 [pid 5470] ioctl(4, LOOP_CLR_FD [pid 5469] <... open resumed>) = 3 [pid 5475] rt_sigprocmask(SIG_SETMASK, [], [pid 5474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5470] <... ioctl resumed>) = 0 [pid 5469] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5469] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5475] memfd_create("syzkaller", 0 [pid 5469] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... memfd_create resumed>) = 3 [pid 5470] ioctl(4, LOOP_SET_FD, 3 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5470] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5469] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5470] close(4) = 0 [pid 5469] <... open resumed>) = 4 [pid 5469] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] close(3 [pid 5469] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5469] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... close resumed>) = 0 [pid 5467] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 1 [pid 5469] ftruncate(4, 33587195 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] <... write resumed>) = 2097152 [pid 5470] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5474] munmap(0x7fb64aa3d000, 2097152 [pid 5470] <... futex resumed>) = 1 [pid 5469] <... ftruncate resumed>) = 0 [pid 5468] <... futex resumed>) = 0 [pid 5474] <... munmap resumed>) = 0 [pid 5470] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5469] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5469] <... futex resumed>) = 1 [pid 5468] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5474] <... openat resumed>) = 4 [pid 5469] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] <... open resumed>) = 3 [pid 5474] ioctl(4, LOOP_SET_FD, 3 [pid 5470] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5475] <... write resumed>) = 2097152 [pid 5474] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5470] <... futex resumed>) = 1 [pid 5469] sendfile(3, 4, NULL, 281474978811909 [pid 5468] <... futex resumed>) = 0 [pid 5467] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] munmap(0x7fb64aa3d000, 2097152 [pid 5474] ioctl(4, LOOP_CLR_FD [pid 5470] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... munmap resumed>) = 0 [pid 5474] <... ioctl resumed>) = 0 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5468] <... futex resumed>) = 0 [pid 5475] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5470] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5468] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] <... openat resumed>) = 4 [pid 5475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5474] ioctl(4, LOOP_SET_FD, 3 [pid 5475] ioctl(4, LOOP_CLR_FD [pid 5474] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5475] <... ioctl resumed>) = 0 [pid 5474] close(4) = 0 [pid 5474] close(3 [pid 5470] <... open resumed>) = 4 [pid 5475] ioctl(4, LOOP_SET_FD, 3 [pid 5470] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5470] <... futex resumed>) = 1 [pid 5468] <... futex resumed>) = 0 [pid 5475] close(4 [pid 5470] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... close resumed>) = 0 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5468] <... futex resumed>) = 0 [pid 5475] close(3 [pid 5470] ftruncate(4, 33587195 [pid 5468] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] <... close resumed>) = 0 [pid 5474] <... close resumed>) = 0 [pid 5474] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5471] <... futex resumed>) = 0 [pid 5474] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5471] <... futex resumed>) = 0 [pid 5470] <... ftruncate resumed>) = 0 [pid 5467] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5471] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = 0 [pid 5470] <... futex resumed>) = 1 [pid 5468] <... futex resumed>) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5475] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5468] <... futex resumed>) = 0 [pid 5467] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5475] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5473] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] sendfile(3, 4, NULL, 281474978811909 [pid 5468] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... mprotect resumed>) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5473] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5476]}, 88) = 5476 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], [pid 5475] <... open resumed>) = 3 [pid 5474] <... open resumed>) = 3 [pid 5467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... futex resumed>) = 1 [pid 5474] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5475] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5476 attached [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5476] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5475] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5474] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5473] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... rseq resumed>) = 0 [pid 5476] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5476] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5476] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5476] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5476] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5476] lseek(-1, 257, SEEK_SET [pid 5467] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5476] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5476] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] <... open resumed>) = 4 [pid 5467] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5475] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... open resumed>) = 4 [pid 5467] <... futex resumed>) = 0 [pid 5476] getdents64(-1, [pid 5475] <... futex resumed>) = 1 [pid 5474] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] <... futex resumed>) = 0 [pid 5467] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5475] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] <... futex resumed>) = 1 [pid 5473] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5476] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5474] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 1 [pid 5475] ftruncate(4, 33587195 [pid 5474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5476] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] ftruncate(4, 33587195 [pid 5471] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5467] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5467] <... futex resumed>) = 0 [pid 5476] <... openat resumed>) = 5 [pid 5467] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5476] <... futex resumed>) = 0 [pid 5476] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5475] <... ftruncate resumed>) = 0 [pid 5474] <... ftruncate resumed>) = 0 [pid 5468] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 1 [pid 5474] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5475] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] sendfile(3, 4, NULL, 281474978811909 [pid 5473] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5471] <... futex resumed>) = 0 [pid 5468] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5475] sendfile(3, 4, NULL, 281474978811909 [pid 5473] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] <... mprotect resumed>) = 0 [pid 5468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5477 attached [pid 5477] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5468] <... clone3 resumed> => {parent_tid=[5477]}, 88) = 5477 [pid 5468] rt_sigprocmask(SIG_SETMASK, [], [pid 5477] <... rseq resumed>) = 0 [pid 5468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5477] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5468] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5468] <... futex resumed>) = 0 [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5468] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5477] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5468] <... futex resumed>) = 0 [pid 5477] lseek(-1, 257, SEEK_SET [pid 5468] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5468] <... futex resumed>) = 0 [pid 5477] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... futex resumed>) = 0 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] getdents64(-1, [pid 5468] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5468] <... futex resumed>) = 0 [pid 5477] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] <... futex resumed>) = 0 [pid 5477] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5468] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5477] <... openat resumed>) = 5 [pid 5468] <... futex resumed>) = 0 [pid 5477] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5468] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... futex resumed>) = 0 [pid 5468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5477] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5462] exit_group(0 [pid 5466] <... futex resumed>) = ? [pid 5462] <... exit_group resumed>) = ? [pid 5466] +++ exited with 0 +++ [pid 5463] <... sendfile resumed>) = ? [pid 5463] +++ exited with 0 +++ [pid 5462] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5473] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5473] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5471] <... futex resumed>) = 0 [pid 5473] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5473] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5471] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5473] <... mprotect resumed>) = 0 [pid 5471] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5021] <... openat resumed>) = 3 [pid 5473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5471] <... mprotect resumed>) = 0 [pid 5473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5021] close(3./strace-static-x86_64: Process 5479 attached ./strace-static-x86_64: Process 5478 attached [pid 5473] <... clone3 resumed> => {parent_tid=[5478]}, 88) = 5478 [pid 5021] <... close resumed>) = 0 [pid 5479] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5478] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5473] rt_sigprocmask(SIG_SETMASK, [], [pid 5471] <... clone3 resumed> => {parent_tid=[5479]}, 88) = 5479 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5479] <... rseq resumed>) = 0 [pid 5478] <... rseq resumed>) = 0 [pid 5473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5479] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5478] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5473] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5480 ./strace-static-x86_64: Process 5480 attached [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] <... set_robust_list resumed>) = 0 [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] set_robust_list(0x5555556096a0, 24 [pid 5479] rt_sigprocmask(SIG_SETMASK, [], [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5473] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 0 [pid 5480] <... set_robust_list resumed>) = 0 [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5479] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5478] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5480] <... prctl resumed>) = 0 [pid 5478] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5480] setpgid(0, 0) = 0 [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5479] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5478] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... openat resumed>) = 3 [pid 5480] write(3, "1000", 4 [pid 5478] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5480] <... write resumed>) = 4 [pid 5479] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] close(3 [pid 5471] <... futex resumed>) = 0 [pid 5480] <... close resumed>) = 0 [pid 5479] <... futex resumed>) = 1 [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] lseek(-1, 257, SEEK_SET [pid 5478] lseek(-1, 257, SEEK_SET [pid 5473] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5479] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5478] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5471] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5479] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5479] getdents64(-1, [pid 5478] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5473] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5479] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] getdents64(-1, [pid 5473] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... mmap resumed>) = 0x7fb652e3d000 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5471] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5479] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5478] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] <... futex resumed>) = 0 [pid 5480] <... mprotect resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5473] <... futex resumed>) = 0 [pid 5471] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5479] <... openat resumed>) = 5 [pid 5478] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5473] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5479] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... openat resumed>) = 5 [pid 5473] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5481 attached [pid 5479] <... futex resumed>) = 1 [pid 5478] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5473] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5471] <... futex resumed>) = 0 [pid 5481] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5480] <... clone3 resumed> => {parent_tid=[5481]}, 88) = 5481 [pid 5479] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... futex resumed>) = 0 [pid 5473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5481] <... rseq resumed>) = 0 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5478] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] set_robust_list(0x7fb652e5d9a0, 24 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5480] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5480] <... futex resumed>) = 0 [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5481] memfd_create("syzkaller", 0) = 3 [pid 5481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152) = 2097152 [pid 5481] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5481] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5481] ioctl(4, LOOP_CLR_FD) = 0 [pid 5481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5481] close(4) = 0 [pid 5481] close(3 [pid 5464] exit_group(0 [pid 5472] <... futex resumed>) = ? [pid 5464] <... exit_group resumed>) = ? [pid 5472] +++ exited with 0 +++ [pid 5465] <... sendfile resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5482 ./strace-static-x86_64: Process 5482 attached [pid 5482] set_robust_list(0x5555556096a0, 24) = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5481] <... close resumed>) = 0 [pid 5482] <... openat resumed>) = 3 [pid 5481] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] write(3, "1000", 4) = 4 [pid 5481] <... futex resumed>) = 1 [pid 5480] <... futex resumed>) = 0 [pid 5482] close(3 [pid 5481] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5480] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... close resumed>) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] <... futex resumed>) = 0 [pid 5482] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5482] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5481] <... open resumed>) = 3 [pid 5482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5481] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5481] <... futex resumed>) = 1 [pid 5480] <... futex resumed>) = 0 [pid 5482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5481] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5480] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... open resumed>) = 4 [pid 5480] <... futex resumed>) = 0 [pid 5482] <... clone3 resumed> => {parent_tid=[5483]}, 88) = 5483 [pid 5481] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5481] <... futex resumed>) = 0 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5483 attached [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5480] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5482] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... futex resumed>) = 0 [pid 5483] <... rseq resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5481] ftruncate(4, 33587195 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] set_robust_list(0x7fb652e5d9a0, 24 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5483] <... set_robust_list resumed>) = 0 [pid 5483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5483] memfd_create("syzkaller", 0) = 3 [pid 5483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5481] <... ftruncate resumed>) = 0 [pid 5481] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5480] <... futex resumed>) = 0 [pid 5481] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5480] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5480] <... futex resumed>) = 0 [pid 5481] sendfile(3, 4, NULL, 281474978811909 [pid 5480] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5483] <... write resumed>) = 2097152 [pid 5483] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5483] ioctl(4, LOOP_CLR_FD) = 0 [pid 5483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5483] close(4) = 0 [pid 5483] close(3 [pid 5480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5480] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5480] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5484 attached [pid 5484] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5480] <... clone3 resumed> => {parent_tid=[5484]}, 88) = 5484 [pid 5484] <... rseq resumed>) = 0 [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5484] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5483] <... close resumed>) = 0 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5483] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] rt_sigprocmask(SIG_SETMASK, [], [pid 5483] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5483] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5482] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5482] <... futex resumed>) = 0 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5484] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] exit_group(0 [pid 5476] <... futex resumed>) = ? [pid 5467] <... exit_group resumed>) = ? [pid 5484] <... futex resumed>) = 1 [pid 5480] <... futex resumed>) = 0 [pid 5480] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] +++ exited with 0 +++ [pid 5484] lseek(-1, 257, SEEK_SET [pid 5480] <... futex resumed>) = 0 [pid 5484] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5480] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5480] <... futex resumed>) = 0 [pid 5484] getdents64(-1, [pid 5480] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5480] <... futex resumed>) = 0 [pid 5484] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] <... futex resumed>) = 0 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5484] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5480] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5484] <... openat resumed>) = 5 [pid 5480] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5469] <... sendfile resumed>) = ? [pid 5484] <... futex resumed>) = 0 [pid 5469] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5484] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5483] <... open resumed>) = 3 [pid 5483] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... restart_syscall resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5483] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5483] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5485 ./strace-static-x86_64: Process 5485 attached [pid 5483] <... open resumed>) = 4 [pid 5483] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5483] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] set_robust_list(0x5555556096a0, 24 [pid 5483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 [pid 5485] <... set_robust_list resumed>) = 0 [pid 5483] ftruncate(4, 33587195 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5485] setpgid(0, 0) = 0 [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5468] exit_group(0 [pid 5485] <... openat resumed>) = 3 [pid 5477] <... futex resumed>) = ? [pid 5468] <... exit_group resumed>) = ? [pid 5485] write(3, "1000", 4 [pid 5477] +++ exited with 0 +++ [pid 5485] <... write resumed>) = 4 [pid 5485] close(3) = 0 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5483] <... ftruncate resumed>) = 0 [pid 5470] <... sendfile resumed>) = ? [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5483] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] +++ exited with 0 +++ [pid 5468] +++ exited with 0 +++ [pid 5485] <... mmap resumed>) = 0x7fb652e3d000 [pid 5483] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5485] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5483] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5485] <... mprotect resumed>) = 0 [pid 5483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5483] sendfile(3, 4, NULL, 281474978811909 [pid 5482] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5485] <... clone3 resumed> => {parent_tid=[5486]}, 88) = 5486 [pid 5027] <... openat resumed>) = 3 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5485] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] close(3 [pid 5485] <... futex resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5486 attached [pid 5486] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5487 [pid 5486] <... rseq resumed>) = 0 [pid 5486] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5486] memfd_create("syzkaller", 0) = 3 [pid 5486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5487 attached ) = 0x7fb64aa3d000 [pid 5487] set_robust_list(0x5555556096a0, 24) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5487] setpgid(0, 0) = 0 [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5487] write(3, "1000", 4) = 4 [pid 5487] close(3 [pid 5473] exit_group(0 [pid 5487] <... close resumed>) = 0 [pid 5473] <... exit_group resumed>) = ? [pid 5487] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5482] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5478] <... futex resumed>) = ? [pid 5487] <... futex resumed>) = 0 [pid 5482] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] +++ exited with 0 +++ [pid 5475] <... sendfile resumed>) = ? [pid 5487] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5482] <... futex resumed>) = 0 [pid 5487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5475] +++ exited with 0 +++ [pid 5482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5473] +++ exited with 0 +++ [pid 5487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5482] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5471] exit_group(0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5482] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5479] <... futex resumed>) = ? [pid 5471] <... exit_group resumed>) = ? [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5482] <... mprotect resumed>) = 0 [pid 5479] +++ exited with 0 +++ [pid 5022] <... restart_syscall resumed>) = 0 [pid 5487] <... mmap resumed>) = 0x7fb652e3d000 [pid 5482] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5474] <... sendfile resumed>) = ? [pid 5487] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5482] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5474] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5487] <... mprotect resumed>) = 0 [pid 5482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5482] <... clone3 resumed> => {parent_tid=[5488]}, 88) = 5488 [pid 5487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5022] <... openat resumed>) = 3 [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5487] <... clone3 resumed> => {parent_tid=[5489]}, 88) = 5489 [pid 5482] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5488 attached [pid 5487] rt_sigprocmask(SIG_SETMASK, [], [pid 5482] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5489 attached [pid 5488] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] <... write resumed>) = 2097152 [pid 5482] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5489] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5488] <... rseq resumed>) = 0 [pid 5487] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] munmap(0x7fb64aa3d000, 2097152 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5489] <... rseq resumed>) = 0 [pid 5488] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5487] <... futex resumed>) = 0 [pid 5486] <... munmap resumed>) = 0 [pid 5489] set_robust_list(0x7fb652e5d9a0, 24 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5486] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5490 [pid 5020] <... ioctl resumed>) = 0 [pid 5489] <... set_robust_list resumed>) = 0 [pid 5488] rt_sigprocmask(SIG_SETMASK, [], [pid 5486] <... openat resumed>) = 4 [pid 5020] close(3 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] ioctl(4, LOOP_SET_FD, 3 [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5488] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5486] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5020] <... close resumed>) = 0 [pid 5489] memfd_create("syzkaller", 0 [pid 5488] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5486] ioctl(4, LOOP_CLR_FD [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5489] <... memfd_create resumed>) = 3 [pid 5488] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] <... ioctl resumed>) = 0 [pid 5489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5488] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5490 attached [pid 5489] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5488] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5491 [pid 5490] set_robust_list(0x5555556096a0, 24 [pid 5489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5491 attached [pid 5490] <... set_robust_list resumed>) = 0 [pid 5488] lseek(-1, 257, SEEK_SET [pid 5486] ioctl(4, LOOP_SET_FD, 3 [pid 5482] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] set_robust_list(0x5555556096a0, 24 [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5488] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5486] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... prctl resumed>) = 0 [pid 5488] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] close(4 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] setpgid(0, 0 [pid 5488] <... futex resumed>) = 1 [pid 5486] <... close resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5491] <... prctl resumed>) = 0 [pid 5488] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5486] close(3 [pid 5482] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] setpgid(0, 0 [pid 5490] <... setpgid resumed>) = 0 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5486] <... close resumed>) = 0 [pid 5482] <... futex resumed>) = 0 [pid 5491] <... setpgid resumed>) = 0 [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] getdents64(-1, [pid 5482] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] <... openat resumed>) = 3 [pid 5488] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5491] <... openat resumed>) = 3 [pid 5490] write(3, "1000", 4 [pid 5488] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] write(3, "1000", 4 [pid 5490] <... write resumed>) = 4 [pid 5488] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5491] <... write resumed>) = 4 [pid 5490] close(3 [pid 5488] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] close(3 [pid 5490] <... close resumed>) = 0 [pid 5488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5482] <... futex resumed>) = 0 [pid 5486] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... close resumed>) = 0 [pid 5490] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5482] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = 0 [pid 5488] <... openat resumed>) = 5 [pid 5486] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5485] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5490] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5488] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... futex resumed>) = 0 [pid 5491] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5490] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] <... futex resumed>) = 0 [pid 5491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5488] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5486] <... open resumed>) = 3 [pid 5491] <... mmap resumed>) = 0x7fb652e3d000 [pid 5490] <... mmap resumed>) = 0x7fb652e3d000 [pid 5486] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5490] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5491] <... mprotect resumed>) = 0 [pid 5490] <... mprotect resumed>) = 0 [pid 5486] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5486] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5491] <... clone3 resumed> => {parent_tid=[5492]}, 88) = 5492 [pid 5490] <... clone3 resumed> => {parent_tid=[5493]}, 88) = 5493 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5493 attached [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5486] <... open resumed>) = 4 ./strace-static-x86_64: Process 5492 attached [pid 5493] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5491] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5486] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... rseq resumed>) = 0 [pid 5492] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5491] <... futex resumed>) = 0 [pid 5490] <... futex resumed>) = 0 [pid 5489] <... write resumed>) = 2097152 [pid 5486] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5493] set_robust_list(0x7fb652e5d9a0, 24 [pid 5492] <... rseq resumed>) = 0 [pid 5491] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5490] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5489] munmap(0x7fb64aa3d000, 2097152 [pid 5486] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] set_robust_list(0x7fb652e5d9a0, 24 [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], [pid 5492] <... set_robust_list resumed>) = 0 [pid 5489] <... munmap resumed>) = 0 [pid 5486] ftruncate(4, 33587195 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5492] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5493] memfd_create("syzkaller", 0 [pid 5492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] <... openat resumed>) = 4 [pid 5493] <... memfd_create resumed>) = 3 [pid 5489] ioctl(4, LOOP_SET_FD, 3 [pid 5493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5492] memfd_create("syzkaller", 0 [pid 5489] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5493] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5492] <... memfd_create resumed>) = 3 [pid 5489] ioctl(4, LOOP_CLR_FD [pid 5492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5489] <... ioctl resumed>) = 0 [pid 5486] <... ftruncate resumed>) = 0 [pid 5486] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5489] ioctl(4, LOOP_SET_FD, 3 [pid 5486] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5489] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5489] close(4 [pid 5486] sendfile(3, 4, NULL, 281474978811909 [pid 5485] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] <... close resumed>) = 0 [pid 5489] close(3 [pid 5493] <... write resumed>) = 2097152 [pid 5493] munmap(0x7fb64aa3d000, 2097152 [pid 5489] <... close resumed>) = 0 [pid 5493] <... munmap resumed>) = 0 [pid 5489] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5489] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5493] <... openat resumed>) = 4 [pid 5489] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5493] ioctl(4, LOOP_SET_FD, 3 [pid 5492] <... write resumed>) = 2097152 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5485] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5492] munmap(0x7fb64aa3d000, 2097152 [pid 5489] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5487] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... futex resumed>) = 0 [pid 5493] ioctl(4, LOOP_CLR_FD [pid 5492] <... munmap resumed>) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5493] <... ioctl resumed>) = 0 [pid 5492] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5485] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5492] <... openat resumed>) = 4 [pid 5485] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5492] ioctl(4, LOOP_SET_FD, 3 [pid 5485] <... mprotect resumed>) = 0 [pid 5493] ioctl(4, LOOP_SET_FD, 3 [pid 5492] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5493] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5492] ioctl(4, LOOP_CLR_FD [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5493] close(4 [pid 5492] <... ioctl resumed>) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5493] <... close resumed>) = 0 [pid 5485] <... clone3 resumed> => {parent_tid=[5494]}, 88) = 5494 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5485] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5494 attached [pid 5494] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5494] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5493] close(3 [pid 5489] <... open resumed>) = 3 [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5492] ioctl(4, LOOP_SET_FD, 3 [pid 5494] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5492] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5494] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] close(4 [pid 5494] <... futex resumed>) = 1 [pid 5492] <... close resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5494] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5492] close(3 [pid 5485] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5489] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... futex resumed>) = 0 [pid 5494] lseek(-1, 257, SEEK_SET [pid 5489] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5485] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5489] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = 1 [pid 5489] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5487] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] <... futex resumed>) = 0 [pid 5494] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5493] <... close resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5494] getdents64(-1, [pid 5493] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5490] <... futex resumed>) = 0 [pid 5493] <... futex resumed>) = 1 [pid 5494] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5494] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5494] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5485] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5494] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5492] <... close resumed>) = 0 [pid 5485] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... openat resumed>) = 5 [pid 5492] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = 1 [pid 5492] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5491] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] <... futex resumed>) = 0 [pid 5494] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] <... open resumed>) = 3 [pid 5491] <... futex resumed>) = 0 [pid 5489] <... open resumed>) = 4 [pid 5491] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5493] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5489] ftruncate(4, 33587195 [pid 5487] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = 0 [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = 0 [pid 5487] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5490] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... open resumed>) = 3 [pid 5492] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5492] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] <... open resumed>) = 4 [pid 5489] <... ftruncate resumed>) = 0 [pid 5493] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = 1 [pid 5487] <... futex resumed>) = 0 [pid 5493] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5493] ftruncate(4, 33587195 [pid 5490] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] sendfile(3, 4, NULL, 281474978811909 [pid 5487] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... open resumed>) = 4 [pid 5492] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5492] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5492] ftruncate(4, 33587195 [pid 5480] exit_group(0 [pid 5491] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] <... futex resumed>) = ? [pid 5480] <... exit_group resumed>) = ? [pid 5484] +++ exited with 0 +++ [pid 5493] <... ftruncate resumed>) = 0 [pid 5493] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5493] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... sendfile resumed>) = ? [pid 5493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] <... futex resumed>) = 0 [pid 5493] sendfile(3, 4, NULL, 281474978811909 [pid 5490] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5481] +++ exited with 0 +++ [pid 5480] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5021] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5492] <... ftruncate resumed>) = 0 [pid 5492] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5492] <... futex resumed>) = 1 [pid 5491] <... futex resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5492] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] <... futex resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5492] sendfile(3, 4, NULL, 281474978811909 [pid 5491] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] close(3) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5495 ./strace-static-x86_64: Process 5495 attached [pid 5487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5495] set_robust_list(0x5555556096a0, 24 [pid 5487] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... set_robust_list resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5487] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5495] <... prctl resumed>) = 0 [pid 5487] <... mprotect resumed>) = 0 [pid 5487] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5496]}, 88) = 5496 [pid 5495] setpgid(0, 0 [pid 5487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5487] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... setpgid resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5487] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5496 attached [pid 5496] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5496] <... rseq resumed>) = 0 [pid 5496] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5490] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5496] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] <... futex resumed>) = 0 [pid 5496] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5496] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5496] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5490] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5487] <... futex resumed>) = 0 [pid 5496] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5490] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5487] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5490] <... mprotect resumed>) = 0 [pid 5496] lseek(-1, 257, SEEK_SET [pid 5490] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5487] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5490] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5496] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5487] <... futex resumed>) = 0 [pid 5496] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5487] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5487] <... futex resumed>) = 0 [pid 5490] <... clone3 resumed> => {parent_tid=[5497]}, 88) = 5497 [pid 5496] getdents64(-1, [pid 5495] <... openat resumed>) = 3 [pid 5487] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5490] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5497 attached [pid 5496] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] write(3, "1000", 4 [pid 5490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5496] <... futex resumed>) = 1 [pid 5490] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = 0 [pid 5497] <... rseq resumed>) = 0 [pid 5496] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] <... write resumed>) = 4 [pid 5490] <... futex resumed>) = 0 [pid 5487] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] close(3 [pid 5491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5490] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5487] <... futex resumed>) = 0 [pid 5497] <... set_robust_list resumed>) = 0 [pid 5496] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5491] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... close resumed>) = 0 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], [pid 5496] <... openat resumed>) = 5 [pid 5491] <... futex resumed>) = 0 [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5497] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5496] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5487] <... futex resumed>) = 0 [pid 5497] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5496] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5491] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5495] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5497] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5491] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5497] <... futex resumed>) = 1 [pid 5495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5491] <... mprotect resumed>) = 0 [pid 5490] <... futex resumed>) = 0 [pid 5497] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5490] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5490] <... futex resumed>) = 0 [pid 5497] lseek(-1, 257, SEEK_SET [pid 5491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5495] <... mmap resumed>) = 0x7fb652e3d000 [pid 5490] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5497] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5497] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5491] <... clone3 resumed> => {parent_tid=[5498]}, 88) = 5498 [pid 5497] <... futex resumed>) = 1 [pid 5490] <... futex resumed>) = 0 [pid 5491] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] <... mprotect resumed>) = 0 [pid 5491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5498 attached [pid 5497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5491] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5490] <... futex resumed>) = 0 [pid 5498] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5497] getdents64(-1, [pid 5491] <... futex resumed>) = 0 [pid 5490] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] <... rseq resumed>) = 0 [pid 5497] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5491] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5497] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5497] <... futex resumed>) = 1 [pid 5495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5490] <... futex resumed>) = 0 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5490] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5497] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5495] <... clone3 resumed> => {parent_tid=[5499]}, 88) = 5499 [pid 5490] <... futex resumed>) = 0 [pid 5498] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5497] <... openat resumed>) = 5 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5490] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5499 attached [pid 5498] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5498] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5495] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5499] <... rseq resumed>) = 0 [pid 5498] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] <... futex resumed>) = 0 [pid 5491] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] set_robust_list(0x7fb652e5d9a0, 24 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] <... set_robust_list resumed>) = 0 [pid 5498] lseek(-1, 257, SEEK_SET [pid 5491] <... futex resumed>) = 0 [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5498] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5491] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5498] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] memfd_create("syzkaller", 0 [pid 5498] <... futex resumed>) = 0 [pid 5491] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... memfd_create resumed>) = 3 [pid 5498] getdents64(-1, [pid 5491] <... futex resumed>) = 0 [pid 5499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5498] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5491] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5498] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] <... futex resumed>) = 0 [pid 5491] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5491] <... futex resumed>) = 0 [pid 5498] <... openat resumed>) = 5 [pid 5491] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5498] <... futex resumed>) = 0 [pid 5499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5498] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5482] exit_group(0 [pid 5488] <... futex resumed>) = ? [pid 5482] <... exit_group resumed>) = ? [pid 5499] <... write resumed>) = 2097152 [pid 5488] +++ exited with 0 +++ [pid 5499] munmap(0x7fb64aa3d000, 2097152 [pid 5483] <... sendfile resumed>) = ? [pid 5499] <... munmap resumed>) = 0 [pid 5499] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5499] ioctl(4, LOOP_CLR_FD) = 0 [pid 5483] +++ exited with 0 +++ [pid 5482] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5499] close(4 [pid 5019] <... openat resumed>) = 3 [pid 5499] <... close resumed>) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5499] close(3 [pid 5019] <... ioctl resumed>) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5500 ./strace-static-x86_64: Process 5500 attached [pid 5500] set_robust_list(0x5555556096a0, 24) = 0 [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5500] setpgid(0, 0) = 0 [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5499] <... close resumed>) = 0 [pid 5500] write(3, "1000", 4 [pid 5499] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... write resumed>) = 4 [pid 5499] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5500] close(3 [pid 5499] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... close resumed>) = 0 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5500] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5495] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 0 [pid 5500] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5500] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5499] <... open resumed>) = 3 ./strace-static-x86_64: Process 5501 attached [pid 5500] <... clone3 resumed> => {parent_tid=[5501]}, 88) = 5501 [pid 5499] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], [pid 5501] <... rseq resumed>) = 0 [pid 5500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5501] set_robust_list(0x7fb652e5d9a0, 24 [pid 5500] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... set_robust_list resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5501] rt_sigprocmask(SIG_SETMASK, [], [pid 5500] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5495] <... futex resumed>) = 0 [pid 5501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5495] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] memfd_create("syzkaller", 0) = 3 [pid 5501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5499] <... open resumed>) = 4 [pid 5499] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5499] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5499] ftruncate(4, 33587195 [pid 5495] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... write resumed>) = 2097152 [pid 5501] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5499] <... ftruncate resumed>) = 0 [pid 5501] ioctl(4, LOOP_CLR_FD) = 0 [pid 5499] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5499] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5485] exit_group(0 [pid 5499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5494] <... futex resumed>) = ? [pid 5485] <... exit_group resumed>) = ? [pid 5501] ioctl(4, LOOP_SET_FD, 3 [pid 5499] sendfile(3, 4, NULL, 281474978811909 [pid 5495] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] +++ exited with 0 +++ [pid 5486] <... sendfile resumed>) = ? [pid 5501] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5501] close(4) = 0 [pid 5486] +++ exited with 0 +++ [pid 5485] +++ exited with 0 +++ [pid 5501] close(3 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5502 ./strace-static-x86_64: Process 5502 attached [pid 5502] set_robust_list(0x5555556096a0, 24) = 0 [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5502] setpgid(0, 0) = 0 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5502] write(3, "1000", 4) = 4 [pid 5502] close(3) = 0 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5502] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5501] <... close resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5501] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5501] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5501] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5500] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] <... mmap resumed>) = 0x7fb652e3d000 [pid 5500] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = 0 [pid 5502] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5500] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5502] <... mprotect resumed>) = 0 [pid 5495] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5495] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5495] <... mprotect resumed>) = 0 [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5502] <... clone3 resumed> => {parent_tid=[5503]}, 88) = 5503 [pid 5495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5495] <... clone3 resumed> => {parent_tid=[5504]}, 88) = 5504 [pid 5502] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... open resumed>) = 3 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5504 attached [pid 5502] <... futex resumed>) = 0 [pid 5501] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5503 attached [pid 5504] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5501] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5495] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... rseq resumed>) = 0 [pid 5503] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5501] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5504] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5503] <... rseq resumed>) = 0 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... futex resumed>) = 0 [pid 5495] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... set_robust_list resumed>) = 0 [pid 5501] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5500] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] set_robust_list(0x7fb652e5d9a0, 24 [pid 5504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5504] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5503] <... set_robust_list resumed>) = 0 [pid 5504] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5503] rt_sigprocmask(SIG_SETMASK, [], [pid 5504] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5504] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5504] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] memfd_create("syzkaller", 0 [pid 5495] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5503] <... memfd_create resumed>) = 3 [pid 5495] <... futex resumed>) = 0 [pid 5504] lseek(-1, 257, SEEK_SET [pid 5503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5495] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] <... open resumed>) = 4 [pid 5504] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5503] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5501] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5504] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5504] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5504] getdents64(-1, [pid 5500] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5501] ftruncate(4, 33587195 [pid 5504] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5500] <... futex resumed>) = 0 [pid 5504] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5504] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5504] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5495] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... openat resumed>) = 5 [pid 5504] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5504] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5501] <... ftruncate resumed>) = 0 [pid 5503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5501] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5501] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5500] <... futex resumed>) = 0 [pid 5501] sendfile(3, 4, NULL, 281474978811909 [pid 5500] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... write resumed>) = 2097152 [pid 5503] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5503] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5503] ioctl(4, LOOP_CLR_FD) = 0 [pid 5503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5503] close(4) = 0 [pid 5503] close(3 [pid 5487] exit_group(0) = ? [pid 5496] <... futex resumed>) = ? [pid 5496] +++ exited with 0 +++ [pid 5489] <... sendfile resumed>) = ? [pid 5489] +++ exited with 0 +++ [pid 5487] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5500] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5500] <... futex resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5500] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5027] <... ioctl resumed>) = 0 [pid 5500] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5027] close(3 [pid 5500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5027] <... close resumed>) = 0 [pid 5500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5490] exit_group(0 [pid 5497] <... futex resumed>) = ? [pid 5490] <... exit_group resumed>) = ? [pid 5500] <... clone3 resumed> => {parent_tid=[5506]}, 88) = 5506 [pid 5497] +++ exited with 0 +++ [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5505 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5505 attached NULL, 8) = 0 [pid 5505] set_robust_list(0x5555556096a0, 24 [pid 5500] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... set_robust_list resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5500] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] <... prctl resumed>) = 0 [pid 5491] exit_group(0 [pid 5505] setpgid(0, 0 [pid 5498] <... futex resumed>) = ? [pid 5491] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5506 attached [pid 5505] <... setpgid resumed>) = 0 [pid 5498] +++ exited with 0 +++ [pid 5506] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] <... rseq resumed>) = 0 [pid 5505] <... openat resumed>) = 3 [pid 5506] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5505] write(3, "1000", 4 [pid 5503] <... close resumed>) = 0 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5505] <... write resumed>) = 4 [pid 5503] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], [pid 5505] close(3 [pid 5503] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5493] <... sendfile resumed>) = ? [pid 5506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5505] <... close resumed>) = 0 [pid 5503] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5502] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] +++ exited with 0 +++ [pid 5492] <... sendfile resumed>) = ? [pid 5490] +++ exited with 0 +++ [pid 5506] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5505] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... open resumed>) = 3 [pid 5502] <... futex resumed>) = 0 [pid 5492] +++ exited with 0 +++ [pid 5491] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5490, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5506] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5505] <... futex resumed>) = 0 [pid 5503] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5491, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5506] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5503] <... futex resumed>) = 0 [pid 5502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5506] <... futex resumed>) = 1 [pid 5505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5503] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5020] <... restart_syscall resumed>) = 0 [pid 5506] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5500] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... openat resumed>) = 3 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5506] lseek(-1, 257, SEEK_SET [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... ioctl resumed>) = 0 [pid 5506] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5505] <... mmap resumed>) = 0x7fb652e3d000 [pid 5022] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5506] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5022] <... close resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5505] <... mprotect resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] <... openat resumed>) = 3 [pid 5506] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5500] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5503] <... open resumed>) = 4 [pid 5500] <... futex resumed>) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5507 [pid 5020] <... ioctl resumed>) = 0 [pid 5506] getdents64(-1, [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5503] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] close(3 [pid 5506] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5503] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5020] <... close resumed>) = 0 ./strace-static-x86_64: Process 5507 attached [pid 5506] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... clone3 resumed> => {parent_tid=[5508]}, 88) = 5508 [pid 5503] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5507] set_robust_list(0x5555556096a0, 24 [pid 5506] <... futex resumed>) = 1 [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5507] <... set_robust_list resumed>) = 0 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5508 attached [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] ftruncate(4, 33587195 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5507] <... prctl resumed>) = 0 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5500] <... futex resumed>) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5509 [pid 5508] <... rseq resumed>) = 0 [pid 5507] setpgid(0, 0 [pid 5506] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5505] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5500] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] set_robust_list(0x7fb652e5d9a0, 24 [pid 5507] <... setpgid resumed>) = 0 [pid 5506] <... openat resumed>) = 5 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] rt_sigprocmask(SIG_SETMASK, [], [pid 5507] <... openat resumed>) = 3 [pid 5506] <... futex resumed>) = 1 [pid 5500] <... futex resumed>) = 0 [pid 5508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] write(3, "1000", 4 [pid 5506] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] memfd_create("syzkaller", 0 [pid 5507] <... write resumed>) = 4 [pid 5508] <... memfd_create resumed>) = 3 [pid 5507] close(3./strace-static-x86_64: Process 5509 attached [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5507] <... close resumed>) = 0 [pid 5509] set_robust_list(0x5555556096a0, 24 [pid 5508] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5507] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5503] <... ftruncate resumed>) = 0 [pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5507] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5503] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... prctl resumed>) = 0 [pid 5507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5503] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5509] setpgid(0, 0 [pid 5507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5503] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... setpgid resumed>) = 0 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5503] sendfile(3, 4, NULL, 281474978811909 [pid 5502] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... mmap resumed>) = 0x7fb652e3d000 [pid 5509] <... openat resumed>) = 3 [pid 5509] write(3, "1000", 4 [pid 5507] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5509] <... write resumed>) = 4 [pid 5507] <... mprotect resumed>) = 0 [pid 5509] close(3 [pid 5507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5509] <... close resumed>) = 0 [pid 5507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5509] <... futex resumed>) = 0 [pid 5508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5509] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5507] <... clone3 resumed> => {parent_tid=[5510]}, 88) = 5510 [pid 5509] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5507] <... futex resumed>) = 0 [pid 5507] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5509] <... mmap resumed>) = 0x7fb652e3d000 [pid 5509] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5510 attached [pid 5510] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5510] <... rseq resumed>) = 0 [pid 5509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5510] set_robust_list(0x7fb652e5d9a0, 24 [pid 5509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5510] <... set_robust_list resumed>) = 0 [pid 5510] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] <... clone3 resumed> => {parent_tid=[5511]}, 88) = 5511 [pid 5510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5510] memfd_create("syzkaller", 0 [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5510] <... memfd_create resumed>) = 3 [pid 5509] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5509] <... futex resumed>) = 0 [pid 5510] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5511 attached [pid 5502] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5502] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5502] <... futex resumed>) = 0 [pid 5511] <... rseq resumed>) = 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5511] set_robust_list(0x7fb652e5d9a0, 24 [pid 5502] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5502] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5511] rt_sigprocmask(SIG_SETMASK, [], [pid 5502] <... mprotect resumed>) = 0 [pid 5511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5511] memfd_create("syzkaller", 0 [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5511] <... memfd_create resumed>) = 3 [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5512 attached [pid 5511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5512] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5511] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5502] <... clone3 resumed> => {parent_tid=[5512]}, 88) = 5512 [pid 5502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5502] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... rseq resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5512] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5502] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... set_robust_list resumed>) = 0 [pid 5510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5508] <... write resumed>) = 2097152 [pid 5512] rt_sigprocmask(SIG_SETMASK, [], [pid 5511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5508] munmap(0x7fb64aa3d000, 2097152 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5512] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5508] <... munmap resumed>) = 0 [pid 5512] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5512] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5512] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] <... openat resumed>) = 4 [pid 5502] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] ioctl(4, LOOP_SET_FD, 3 [pid 5502] <... futex resumed>) = 0 [pid 5512] lseek(-1, 257, SEEK_SET [pid 5508] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5502] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5508] ioctl(4, LOOP_CLR_FD [pid 5512] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5508] <... ioctl resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5512] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5512] getdents64(-1, [pid 5502] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5508] ioctl(4, LOOP_SET_FD, 3 [pid 5512] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5512] <... futex resumed>) = 1 [pid 5508] close(4 [pid 5502] <... futex resumed>) = 0 [pid 5512] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] <... write resumed>) = 2097152 [pid 5508] <... close resumed>) = 0 [pid 5510] munmap(0x7fb64aa3d000, 2097152 [pid 5508] close(3 [pid 5512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5510] <... munmap resumed>) = 0 [pid 5502] <... futex resumed>) = 0 [pid 5512] <... openat resumed>) = 5 [pid 5510] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5502] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... openat resumed>) = 4 [pid 5512] <... futex resumed>) = 1 [pid 5510] ioctl(4, LOOP_SET_FD, 3 [pid 5502] <... futex resumed>) = 0 [pid 5512] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5510] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5510] ioctl(4, LOOP_CLR_FD [pid 5508] <... close resumed>) = 0 [pid 5510] <... ioctl resumed>) = 0 [pid 5508] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5508] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5505] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] ioctl(4, LOOP_SET_FD, 3 [pid 5505] <... futex resumed>) = 0 [pid 5511] <... write resumed>) = 2097152 [pid 5510] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5505] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] munmap(0x7fb64aa3d000, 2097152 [pid 5510] close(4) = 0 [pid 5510] close(3) = 0 [pid 5508] <... open resumed>) = 3 [pid 5508] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5508] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5505] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... munmap resumed>) = 0 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5505] <... futex resumed>) = 0 [pid 5511] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5510] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5505] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... openat resumed>) = 4 [pid 5510] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5511] ioctl(4, LOOP_SET_FD, 3 [pid 5510] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5507] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5507] <... futex resumed>) = 0 [pid 5511] ioctl(4, LOOP_CLR_FD [pid 5507] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... ioctl resumed>) = 0 [pid 5511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5511] close(4) = 0 [pid 5511] close(3 [pid 5510] <... open resumed>) = 3 [pid 5508] <... open resumed>) = 4 [pid 5510] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = 1 [pid 5508] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5510] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5508] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5510] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5508] ftruncate(4, 33587195 [pid 5507] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... close resumed>) = 0 [pid 5511] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5509] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5509] <... futex resumed>) = 0 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... open resumed>) = 3 [pid 5510] <... open resumed>) = 4 [pid 5508] <... ftruncate resumed>) = 0 [pid 5511] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = 1 [pid 5510] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5508] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5511] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5510] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5505] <... futex resumed>) = 0 [pid 5510] ftruncate(4, 33587195 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] sendfile(3, 4, NULL, 281474978811909 [pid 5507] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5505] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5511] <... open resumed>) = 4 [pid 5511] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5511] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5495] exit_group(0 [pid 5511] ftruncate(4, 33587195 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] <... futex resumed>) = ? [pid 5495] <... exit_group resumed>) = ? [pid 5504] +++ exited with 0 +++ [pid 5510] <... ftruncate resumed>) = 0 [pid 5510] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5510] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5510] sendfile(3, 4, NULL, 281474978811909 [pid 5507] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] <... sendfile resumed>) = ? [pid 5511] <... ftruncate resumed>) = 0 [pid 5499] +++ exited with 0 +++ [pid 5495] +++ exited with 0 +++ [pid 5511] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5511] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5511] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5511] sendfile(3, 4, NULL, 281474978811909 [pid 5509] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] <... openat resumed>) = 3 [pid 5021] ioctl(3, LOOP_CLR_FD) = 0 [pid 5021] close(3) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5513 [pid 5505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5505] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5513 attached ) = 0x7fb64ac1c000 [pid 5513] set_robust_list(0x5555556096a0, 24 [pid 5505] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5513] <... set_robust_list resumed>) = 0 [pid 5505] <... mprotect resumed>) = 0 [pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5513] <... prctl resumed>) = 0 [pid 5505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5513] setpgid(0, 0 [pid 5505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5514 attached [pid 5513] <... setpgid resumed>) = 0 [pid 5514] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5505] <... clone3 resumed> => {parent_tid=[5514]}, 88) = 5514 [pid 5514] <... rseq resumed>) = 0 [pid 5507] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] rt_sigprocmask(SIG_SETMASK, [], [pid 5514] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5505] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5505] <... futex resumed>) = 0 [pid 5514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5514] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5507] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5505] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5513] <... openat resumed>) = 3 [pid 5507] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5514] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... mprotect resumed>) = 0 [pid 5514] <... futex resumed>) = 1 [pid 5513] write(3, "1000", 4 [pid 5507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5505] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5505] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5514] lseek(-1, 257, SEEK_SET) = -1 EBADF (Bad file descriptor) [pid 5513] <... write resumed>) = 4 [pid 5507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5505] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] close(3 [pid 5505] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... clone3 resumed> => {parent_tid=[5515]}, 88) = 5515 [pid 5505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... close resumed>) = 0 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5505] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] <... futex resumed>) = 0 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] <... futex resumed>) = 1 [pid 5514] getdents64(-1, [pid 5513] <... futex resumed>) = 0 [pid 5507] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5505] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5507] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5507] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5514] <... futex resumed>) = 1 [pid 5505] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5505] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5505] <... futex resumed>) = 0 [pid 5514] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5509] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5505] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] <... openat resumed>) = 5 [pid 5513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5509] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... futex resumed>) = 0 [pid 5514] <... futex resumed>) = 1 [pid 5513] <... mmap resumed>) = 0x7fb652e3d000 [pid 5509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5505] <... futex resumed>) = 0 [pid 5514] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5509] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5509] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5513] <... mprotect resumed>) = 0 [pid 5509] <... mprotect resumed>) = 0 [pid 5509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5515 attached [pid 5513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5509] <... clone3 resumed> => {parent_tid=[5516]}, 88) = 5516 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5509] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5509] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5516 attached [pid 5516] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5513] <... clone3 resumed> => {parent_tid=[5517]}, 88) = 5517 [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5513] <... futex resumed>) = 0 [pid 5516] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5515] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5516] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... rseq resumed>) = 0 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5515] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5516] lseek(-1, 257, SEEK_SET [pid 5509] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5516] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... set_robust_list resumed>) = 0 [pid 5516] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5515] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5517 attached [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] <... futex resumed>) = 0 [pid 5517] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5516] getdents64(-1, [pid 5515] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5509] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] <... rseq resumed>) = 0 [pid 5516] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5515] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5517] set_robust_list(0x7fb652e5d9a0, 24 [pid 5516] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... set_robust_list resumed>) = 0 [pid 5516] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5509] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5509] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5517] memfd_create("syzkaller", 0 [pid 5516] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5515] lseek(-1, 257, SEEK_SET [pid 5509] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] <... memfd_create resumed>) = 3 [pid 5516] <... openat resumed>) = 5 [pid 5515] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5516] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5516] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 1 [pid 5509] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5516] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5515] getdents64(-1, [pid 5507] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5515] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5515] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5515] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5507] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5515] <... openat resumed>) = 5 [pid 5515] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5515] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5500] exit_group(0 [pid 5506] <... futex resumed>) = ? [pid 5500] <... exit_group resumed>) = ? [pid 5506] +++ exited with 0 +++ [pid 5501] <... sendfile resumed>) = ? [pid 5501] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5518 ./strace-static-x86_64: Process 5518 attached [pid 5518] set_robust_list(0x5555556096a0, 24) = 0 [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5518] setpgid(0, 0 [pid 5517] <... write resumed>) = 2097152 [pid 5518] <... setpgid resumed>) = 0 [pid 5517] munmap(0x7fb64aa3d000, 2097152 [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5518] write(3, "1000", 4 [pid 5517] <... munmap resumed>) = 0 [pid 5518] <... write resumed>) = 4 [pid 5517] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5518] close(3 [pid 5517] <... openat resumed>) = 4 [pid 5518] <... close resumed>) = 0 [pid 5517] ioctl(4, LOOP_SET_FD, 3 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5518] <... futex resumed>) = 0 [pid 5517] ioctl(4, LOOP_CLR_FD [pid 5518] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5517] <... ioctl resumed>) = 0 [pid 5518] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5517] ioctl(4, LOOP_SET_FD, 3 [pid 5518] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5517] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5518] <... mprotect resumed>) = 0 [pid 5517] close(4 [pid 5518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5517] <... close resumed>) = 0 [pid 5518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5517] close(3 [pid 5518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5517] <... close resumed>) = 0 [pid 5518] <... clone3 resumed> => {parent_tid=[5519]}, 88) = 5519 [pid 5518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5518] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5517] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5517] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5517] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5519 attached [pid 5519] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5519] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5519] memfd_create("syzkaller", 0) = 3 [pid 5519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5517] <... open resumed>) = 3 [pid 5517] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5517] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5517] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5502] exit_group(0 [pid 5512] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5512] +++ exited with 0 +++ [pid 5519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5517] <... open resumed>) = 4 [pid 5517] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5517] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5517] ftruncate(4, 33587195 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5503] <... sendfile resumed>) = ? [pid 5503] +++ exited with 0 +++ [pid 5502] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5517] <... ftruncate resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5517] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5517] <... futex resumed>) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5025] <... ioctl resumed>) = 0 [pid 5517] sendfile(3, 4, NULL, 281474978811909 [pid 5513] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] close(3 [pid 5519] <... write resumed>) = 2097152 [pid 5513] <... futex resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5519] munmap(0x7fb64aa3d000, 2097152 [pid 5513] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5519] <... munmap resumed>) = 0 [pid 5519] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5520 [pid 5519] <... openat resumed>) = 4 [pid 5519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5520 attached [pid 5519] ioctl(4, LOOP_CLR_FD [pid 5520] set_robust_list(0x5555556096a0, 24 [pid 5519] <... ioctl resumed>) = 0 [pid 5520] <... set_robust_list resumed>) = 0 [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5520] setpgid(0, 0 [pid 5519] ioctl(4, LOOP_SET_FD, 3 [pid 5520] <... setpgid resumed>) = 0 [pid 5519] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5519] close(4 [pid 5520] <... openat resumed>) = 3 [pid 5519] <... close resumed>) = 0 [pid 5520] write(3, "1000", 4 [pid 5519] close(3 [pid 5520] <... write resumed>) = 4 [pid 5520] close(3) = 0 [pid 5520] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5520] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5520] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5519] <... close resumed>) = 0 [pid 5520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5519] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5520] <... clone3 resumed> => {parent_tid=[5521]}, 88) = 5521 [pid 5519] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5520] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5513] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5521 attached [pid 5513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5521] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5519] <... open resumed>) = 3 [pid 5521] <... rseq resumed>) = 0 [pid 5519] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5521] set_robust_list(0x7fb652e5d9a0, 24 [pid 5519] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5513] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5521] <... set_robust_list resumed>) = 0 [pid 5519] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... mprotect resumed>) = 0 [pid 5521] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5521] memfd_create("syzkaller", 0 [pid 5513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5521] <... memfd_create resumed>) = 3 [pid 5521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5513] <... clone3 resumed> => {parent_tid=[5522]}, 88) = 5522 ./strace-static-x86_64: Process 5522 attached [pid 5521] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5522] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5519] <... open resumed>) = 4 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5522] <... rseq resumed>) = 0 [pid 5519] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5519] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5522] <... set_robust_list resumed>) = 0 [pid 5519] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] rt_sigprocmask(SIG_SETMASK, [], [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5519] ftruncate(4, 33587195 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5522] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5522] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5522] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5522] lseek(-1, 257, SEEK_SET [pid 5513] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5519] <... ftruncate resumed>) = 0 [pid 5522] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = 1 [pid 5519] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5522] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5519] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5522] getdents64(-1, [pid 5519] sendfile(3, 4, NULL, 281474978811909 [pid 5518] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5522] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5522] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5522] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5513] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... openat resumed>) = 5 [pid 5521] <... write resumed>) = 2097152 [pid 5522] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] munmap(0x7fb64aa3d000, 2097152 [pid 5522] <... futex resumed>) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5522] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5521] <... munmap resumed>) = 0 [pid 5521] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5521] ioctl(4, LOOP_CLR_FD) = 0 [pid 5521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5521] close(4) = 0 [pid 5521] close(3) = 0 [pid 5521] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5520] <... futex resumed>) = 0 [pid 5520] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5520] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5521] <... futex resumed>) = 1 [pid 5521] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5505] exit_group(0 [pid 5514] <... futex resumed>) = ? [pid 5505] <... exit_group resumed>) = ? [pid 5518] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5514] +++ exited with 0 +++ [pid 5508] <... sendfile resumed>) = ? [pid 5518] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5518] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5521] <... open resumed>) = 3 [pid 5518] <... mprotect resumed>) = 0 [pid 5521] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5508] +++ exited with 0 +++ [pid 5505] +++ exited with 0 +++ [pid 5521] <... futex resumed>) = 1 [pid 5520] <... futex resumed>) = 0 [pid 5518] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5521] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] <... futex resumed>) = 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5521] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5520] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] <... clone3 resumed> => {parent_tid=[5523]}, 88) = 5523 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5518] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5518] <... futex resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5518] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] close(3 [pid 5521] <... open resumed>) = 4 [pid 5027] <... close resumed>) = 0 [pid 5521] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5523 attached [pid 5521] <... futex resumed>) = 1 [pid 5520] <... futex resumed>) = 0 [pid 5523] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5523] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5521] ftruncate(4, 33587195 [pid 5520] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5524 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5523] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5524 attached [pid 5523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5524] set_robust_list(0x5555556096a0, 24 [pid 5523] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5523] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... prctl resumed>) = 0 [pid 5523] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5524] setpgid(0, 0 [pid 5523] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... setpgid resumed>) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5509] exit_group(0 [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5523] lseek(-1, 257, SEEK_SET [pid 5518] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] <... futex resumed>) = ? [pid 5509] <... exit_group resumed>) = ? [pid 5524] <... openat resumed>) = 3 [pid 5523] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5521] <... ftruncate resumed>) = 0 [pid 5516] +++ exited with 0 +++ [pid 5511] <... sendfile resumed>) = ? [pid 5524] write(3, "1000", 4 [pid 5523] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... write resumed>) = 4 [pid 5523] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5524] close(3 [pid 5523] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] +++ exited with 0 +++ [pid 5509] +++ exited with 0 +++ [pid 5524] <... close resumed>) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5521] <... futex resumed>) = 1 [pid 5520] <... futex resumed>) = 0 [pid 5518] <... futex resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5509, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5524] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] getdents64(-1, [pid 5521] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5520] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5524] <... futex resumed>) = 0 [pid 5523] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5520] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5524] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5523] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5521] sendfile(3, 4, NULL, 281474978811909 [pid 5520] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5523] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5523] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5518] <... futex resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5523] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5518] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5524] <... mmap resumed>) = 0x7fb652e3d000 [pid 5523] <... openat resumed>) = 5 [pid 5020] <... ioctl resumed>) = 0 [pid 5524] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5523] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] close(3 [pid 5524] <... mprotect resumed>) = 0 [pid 5523] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5523] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5525 [pid 5524] <... clone3 resumed> => {parent_tid=[5526]}, 88) = 5526 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5524] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5524] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5526 attached [pid 5526] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5525 attached ) = 0 [pid 5526] set_robust_list(0x7fb652e5d9a0, 24 [pid 5525] set_robust_list(0x5555556096a0, 24 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5507] exit_group(0 [pid 5526] memfd_create("syzkaller", 0 [pid 5525] <... prctl resumed>) = 0 [pid 5526] <... memfd_create resumed>) = 3 [pid 5525] setpgid(0, 0 [pid 5515] <... futex resumed>) = ? [pid 5510] <... sendfile resumed>) = ? [pid 5507] <... exit_group resumed>) = ? [pid 5526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5525] <... setpgid resumed>) = 0 [pid 5515] +++ exited with 0 +++ [pid 5526] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5510] +++ exited with 0 +++ [pid 5507] +++ exited with 0 +++ [pid 5525] write(3, "1000", 4) = 4 [pid 5525] close(3) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5525] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5525] <... futex resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5525] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5022] close(3 [pid 5526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5520] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5022] <... close resumed>) = 0 [pid 5525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5520] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... mmap resumed>) = 0x7fb652e3d000 [pid 5520] <... futex resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5525] <... mprotect resumed>) = 0 [pid 5525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5520] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5527 [pid 5525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5520] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5520] <... mprotect resumed>) = 0 [pid 5525] <... clone3 resumed> => {parent_tid=[5528]}, 88) = 5528 [pid 5520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5525] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5520] <... clone3 resumed> => {parent_tid=[5529]}, 88) = 5529 ./strace-static-x86_64: Process 5529 attached ./strace-static-x86_64: Process 5528 attached ./strace-static-x86_64: Process 5527 attached [pid 5525] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5520] rt_sigprocmask(SIG_SETMASK, [], [pid 5529] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5528] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5527] set_robust_list(0x5555556096a0, 24 [pid 5520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] <... rseq resumed>) = 0 [pid 5528] <... rseq resumed>) = 0 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5520] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] set_robust_list(0x7fb652e5d9a0, 24 [pid 5520] <... futex resumed>) = 0 [pid 5529] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5520] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] rt_sigprocmask(SIG_SETMASK, [], [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5527] <... prctl resumed>) = 0 [pid 5529] rt_sigprocmask(SIG_SETMASK, [], [pid 5528] memfd_create("syzkaller", 0 [pid 5529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5528] <... memfd_create resumed>) = 3 [pid 5527] setpgid(0, 0 [pid 5529] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5527] <... setpgid resumed>) = 0 [pid 5529] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5528] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5529] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5527] <... openat resumed>) = 3 [pid 5520] <... futex resumed>) = 0 [pid 5529] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] write(3, "1000", 4 [pid 5520] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... write resumed>) = 4 [pid 5520] <... futex resumed>) = 0 [pid 5529] lseek(-1, 257, SEEK_SET [pid 5527] close(3 [pid 5520] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5527] <... close resumed>) = 0 [pid 5529] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5520] <... futex resumed>) = 0 [pid 5529] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5520] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5527] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5526] <... write resumed>) = 2097152 [pid 5520] <... futex resumed>) = 0 [pid 5529] getdents64(-1, [pid 5527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5520] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5529] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5529] <... futex resumed>) = 1 [pid 5527] <... mmap resumed>) = 0x7fb652e3d000 [pid 5520] <... futex resumed>) = 0 [pid 5529] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5520] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5529] <... openat resumed>) = 5 [pid 5520] <... futex resumed>) = 0 [pid 5527] <... mprotect resumed>) = 0 [pid 5520] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5529] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5529] <... futex resumed>) = 0 [pid 5527] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5529] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5530]}, 88) = 5530 ./strace-static-x86_64: Process 5530 attached [pid 5527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5530] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5527] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... rseq resumed>) = 0 [pid 5527] <... futex resumed>) = 0 [pid 5526] munmap(0x7fb64aa3d000, 2097152 [pid 5530] set_robust_list(0x7fb652e5d9a0, 24 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5526] <... munmap resumed>) = 0 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5530] memfd_create("syzkaller", 0) = 3 [pid 5526] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5526] <... openat resumed>) = 4 [pid 5530] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5526] ioctl(4, LOOP_CLR_FD) = 0 [pid 5526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5526] close(4 [pid 5528] <... write resumed>) = 2097152 [pid 5526] <... close resumed>) = 0 [pid 5530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5528] munmap(0x7fb64aa3d000, 2097152 [pid 5526] close(3) = 0 [pid 5528] <... munmap resumed>) = 0 [pid 5528] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5528] ioctl(4, LOOP_SET_FD, 3 [pid 5526] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5526] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5528] ioctl(4, LOOP_CLR_FD [pid 5526] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... ioctl resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5526] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5524] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5530] <... write resumed>) = 2097152 [pid 5528] close(4 [pid 5530] munmap(0x7fb64aa3d000, 2097152 [pid 5528] <... close resumed>) = 0 [pid 5528] close(3 [pid 5530] <... munmap resumed>) = 0 [pid 5528] <... close resumed>) = 0 [pid 5530] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5526] <... open resumed>) = 3 [pid 5530] <... openat resumed>) = 4 [pid 5526] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] ioctl(4, LOOP_SET_FD, 3 [pid 5526] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5530] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5528] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] ioctl(4, LOOP_CLR_FD [pid 5528] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5530] <... ioctl resumed>) = 0 [pid 5528] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5526] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5525] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] <... futex resumed>) = 0 [pid 5525] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5530] close(4) = 0 [pid 5530] close(3 [pid 5528] <... open resumed>) = 3 [pid 5526] <... open resumed>) = 4 [pid 5528] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = 1 [pid 5526] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5528] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] ftruncate(4, 33587195 [pid 5525] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5528] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5525] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... close resumed>) = 0 [pid 5528] <... open resumed>) = 4 [pid 5526] <... ftruncate resumed>) = 0 [pid 5530] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 1 [pid 5528] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5526] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5530] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5528] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... futex resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5530] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5528] ftruncate(4, 33587195 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] sendfile(3, 4, NULL, 281474978811909 [pid 5525] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... open resumed>) = 3 [pid 5528] <... ftruncate resumed>) = 0 [pid 5530] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = 1 [pid 5528] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5530] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5528] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... futex resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5530] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5528] sendfile(3, 4, NULL, 281474978811909 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] <... open resumed>) = 4 [pid 5530] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5530] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... futex resumed>) = 0 [pid 5530] ftruncate(4, 33587195 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5524] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5524] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5531]}, 88) = 5531 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5524] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5524] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5531 attached [pid 5531] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5531] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5530] <... ftruncate resumed>) = 0 [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] rt_sigprocmask(SIG_SETMASK, [], [pid 5530] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 0 [pid 5513] exit_group(0 [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... futex resumed>) = ? [pid 5513] <... exit_group resumed>) = ? [pid 5531] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] <... futex resumed>) = 0 [pid 5522] +++ exited with 0 +++ [pid 5531] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5530] sendfile(3, 4, NULL, 281474978811909 [pid 5527] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5531] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5531] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5524] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5524] <... futex resumed>) = 0 [pid 5531] lseek(-1, 257, SEEK_SET [pid 5525] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5524] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5525] <... mprotect resumed>) = 0 [pid 5531] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5531] <... futex resumed>) = 1 [pid 5525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5531] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5524] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5532 attached [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5532] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5531] getdents64(-1, [pid 5525] <... clone3 resumed> => {parent_tid=[5532]}, 88) = 5532 [pid 5524] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] <... sendfile resumed>) = ? [pid 5532] <... rseq resumed>) = 0 [pid 5531] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5531] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5531] <... futex resumed>) = 1 [pid 5525] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5517] +++ exited with 0 +++ [pid 5532] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5513] +++ exited with 0 +++ [pid 5531] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] <... futex resumed>) = 0 [pid 5524] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5513, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5532] <... set_robust_list resumed>) = 0 [pid 5532] rt_sigprocmask(SIG_SETMASK, [], [pid 5531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] <... futex resumed>) = 0 [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5531] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5531] <... openat resumed>) = 5 [pid 5532] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5531] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5531] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5532] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... futex resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5532] lseek(-1, 257, SEEK_SET [pid 5525] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5532] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5532] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] <... ioctl resumed>) = 0 [pid 5532] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5021] close(3 [pid 5532] getdents64(-1, [pid 5525] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] <... close resumed>) = 0 [pid 5532] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5525] <... futex resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5532] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... futex resumed>) = 0 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5533 [pid 5532] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5525] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... openat resumed>) = 5 [pid 5527] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5525] <... futex resumed>) = 0 [pid 5532] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5533 attached [pid 5532] <... futex resumed>) = 0 [pid 5527] <... futex resumed>) = 0 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] set_robust_list(0x5555556096a0, 24 [pid 5532] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5533] <... set_robust_list resumed>) = 0 [pid 5527] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5533] <... prctl resumed>) = 0 [pid 5527] <... mprotect resumed>) = 0 [pid 5533] setpgid(0, 0 [pid 5527] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5533] <... setpgid resumed>) = 0 [pid 5527] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5534 attached [pid 5533] <... openat resumed>) = 3 [pid 5534] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5533] write(3, "1000", 4 [pid 5527] <... clone3 resumed> => {parent_tid=[5534]}, 88) = 5534 [pid 5534] <... rseq resumed>) = 0 [pid 5533] <... write resumed>) = 4 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5533] close(3 [pid 5534] <... set_robust_list resumed>) = 0 [pid 5533] <... close resumed>) = 0 [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5533] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5534] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5533] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5527] <... futex resumed>) = 0 [pid 5534] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5527] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5527] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] lseek(-1, 257, SEEK_SET [pid 5533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5527] <... futex resumed>) = 0 [pid 5534] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5533] <... mmap resumed>) = 0x7fb652e3d000 [pid 5527] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5533] <... mprotect resumed>) = 0 [pid 5527] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] getdents64(-1, [pid 5533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5527] <... futex resumed>) = 0 [pid 5534] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5527] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5527] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5533] <... clone3 resumed> => {parent_tid=[5535]}, 88) = 5535 [pid 5527] <... futex resumed>) = 0 [pid 5534] <... openat resumed>) = 5 [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5527] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5533] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] <... futex resumed>) = 0 [pid 5518] exit_group(0 [pid 5533] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5523] <... futex resumed>) = ? [pid 5518] <... exit_group resumed>) = ? [pid 5523] +++ exited with 0 +++ [pid 5519] <... sendfile resumed>) = ? [pid 5519] +++ exited with 0 +++ [pid 5518] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5518, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- ./strace-static-x86_64: Process 5535 attached [pid 5535] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5535] set_robust_list(0x7fb652e5d9a0, 24 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5535] <... set_robust_list resumed>) = 0 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5019] <... openat resumed>) = 3 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5535] memfd_create("syzkaller", 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5535] <... memfd_create resumed>) = 3 [pid 5019] close(3 [pid 5535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5019] <... close resumed>) = 0 [pid 5535] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5536 ./strace-static-x86_64: Process 5536 attached [pid 5536] set_robust_list(0x5555556096a0, 24) = 0 [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5536] setpgid(0, 0) = 0 [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5536] write(3, "1000", 4) = 4 [pid 5536] close(3) = 0 [pid 5536] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5536] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5536] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5537]}, 88) = 5537 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5536] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5537 attached [pid 5536] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5535] <... write resumed>) = 2097152 [pid 5537] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5535] munmap(0x7fb64aa3d000, 2097152 [pid 5520] exit_group(0 [pid 5537] <... rseq resumed>) = 0 [pid 5529] <... futex resumed>) = ? [pid 5520] <... exit_group resumed>) = ? [pid 5529] +++ exited with 0 +++ [pid 5537] set_robust_list(0x7fb652e5d9a0, 24 [pid 5535] <... munmap resumed>) = 0 [pid 5535] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5537] <... set_robust_list resumed>) = 0 [pid 5535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5535] ioctl(4, LOOP_CLR_FD) = 0 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5521] <... sendfile resumed>) = ? [pid 5535] close(4 [pid 5537] memfd_create("syzkaller", 0 [pid 5535] <... close resumed>) = 0 [pid 5521] +++ exited with 0 +++ [pid 5520] +++ exited with 0 +++ [pid 5537] <... memfd_create resumed>) = 3 [pid 5535] close(3 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5535] <... close resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5535] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... ioctl resumed>) = 0 [pid 5535] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5025] close(3 [pid 5535] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] <... futex resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5538 [pid 5535] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5533] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5538 attached [pid 5537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5538] set_robust_list(0x5555556096a0, 24) = 0 [pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5538] setpgid(0, 0 [pid 5535] <... open resumed>) = 3 [pid 5538] <... setpgid resumed>) = 0 [pid 5535] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5535] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5538] <... openat resumed>) = 3 [pid 5535] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] write(3, "1000", 4 [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] <... futex resumed>) = 0 [pid 5538] <... write resumed>) = 4 [pid 5535] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5533] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] close(3) = 0 [pid 5538] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5538] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5535] <... open resumed>) = 4 [pid 5538] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5535] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] <... mprotect resumed>) = 0 [pid 5537] <... write resumed>) = 2097152 [pid 5535] <... futex resumed>) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5537] munmap(0x7fb64aa3d000, 2097152 [pid 5535] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5537] <... munmap resumed>) = 0 [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] <... futex resumed>) = 0 [pid 5538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5537] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5535] ftruncate(4, 33587195 [pid 5533] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5537] <... openat resumed>) = 4 [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5538] <... clone3 resumed> => {parent_tid=[5539]}, 88) = 5539 [pid 5537] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5538] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5539 attached [pid 5538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] <... ioctl resumed>) = 0 [pid 5539] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5538] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... rseq resumed>) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5539] set_robust_list(0x7fb652e5d9a0, 24 [pid 5538] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5537] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5539] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] close(4 [pid 5539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] <... close resumed>) = 0 [pid 5539] memfd_create("syzkaller", 0 [pid 5537] close(3 [pid 5539] <... memfd_create resumed>) = 3 [pid 5535] <... ftruncate resumed>) = 0 [pid 5539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5535] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5535] <... futex resumed>) = 1 [pid 5535] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] <... futex resumed>) = 0 [pid 5533] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 1 [pid 5535] sendfile(3, 4, NULL, 281474978811909 [pid 5533] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... close resumed>) = 0 [pid 5537] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5537] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5536] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5536] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5537] <... open resumed>) = 3 [pid 5537] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5537] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5536] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... open resumed>) = 4 [pid 5537] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5533] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5537] ftruncate(4, 33587195 [pid 5536] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5533] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5533] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5540]}, 88) = 5540 [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] <... write resumed>) = 2097152 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] munmap(0x7fb64aa3d000, 2097152 [pid 5533] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5540 attached [pid 5539] <... munmap resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5540] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5533] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5540] <... rseq resumed>) = 0 [pid 5540] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5539] <... openat resumed>) = 4 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5539] ioctl(4, LOOP_SET_FD, 3 [pid 5540] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5539] ioctl(4, LOOP_CLR_FD [pid 5537] <... ftruncate resumed>) = 0 [pid 5540] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5539] <... ioctl resumed>) = 0 [pid 5537] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5540] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = 1 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5533] <... futex resumed>) = 0 [pid 5540] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] ioctl(4, LOOP_SET_FD, 3 [pid 5537] sendfile(3, 4, NULL, 281474978811909 [pid 5536] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5533] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5533] <... futex resumed>) = 0 [pid 5540] lseek(-1, 257, SEEK_SET [pid 5539] close(4 [pid 5533] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5539] <... close resumed>) = 0 [pid 5539] close(3 [pid 5540] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5540] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5533] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5533] <... futex resumed>) = 0 [pid 5540] getdents64(-1, [pid 5533] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5540] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5539] <... close resumed>) = 0 [pid 5540] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5538] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... futex resumed>) = 0 [pid 5540] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5538] <... futex resumed>) = 0 [pid 5533] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5538] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... openat resumed>) = 5 [pid 5540] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5533] <... futex resumed>) = 0 [pid 5540] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] <... open resumed>) = 3 [pid 5536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5539] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5539] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... futex resumed>) = 0 [pid 5536] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5539] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5538] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5541]}, 88) = 5541 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5536] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5541 attached [pid 5536] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5539] <... open resumed>) = 4 [pid 5527] exit_group(0 [pid 5541] <... rseq resumed>) = 0 [pid 5539] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = ? [pid 5527] <... exit_group resumed>) = ? [pid 5541] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5539] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5534] +++ exited with 0 +++ [pid 5541] <... set_robust_list resumed>) = 0 [pid 5539] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... sendfile resumed>) = ? [pid 5541] rt_sigprocmask(SIG_SETMASK, [], [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... futex resumed>) = 0 [pid 5530] +++ exited with 0 +++ [pid 5527] +++ exited with 0 +++ [pid 5538] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] ftruncate(4, 33587195 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5527, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5541] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5541] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5536] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] lseek(-1, 257, SEEK_SET [pid 5022] close(3 [pid 5541] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5539] <... ftruncate resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5541] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] <... futex resumed>) = 1 [pid 5539] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5541] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5538] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5542 [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5538] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5541] getdents64(-1, [pid 5539] sendfile(3, 4, NULL, 281474978811909 [pid 5538] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5541] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5541] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5524] exit_group(0 [pid 5541] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5536] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5531] <... futex resumed>) = ? [pid 5524] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5542 attached [pid 5541] <... openat resumed>) = 5 [pid 5531] +++ exited with 0 +++ [pid 5541] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5542] set_robust_list(0x5555556096a0, 24 [pid 5541] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] <... set_robust_list resumed>) = 0 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5525] exit_group(0 [pid 5542] setpgid(0, 0 [pid 5532] <... futex resumed>) = ? [pid 5525] <... exit_group resumed>) = ? [pid 5542] <... setpgid resumed>) = 0 [pid 5532] +++ exited with 0 +++ [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5542] write(3, "1000", 4 [pid 5526] <... sendfile resumed>) = ? [pid 5542] <... write resumed>) = 4 [pid 5526] +++ exited with 0 +++ [pid 5524] +++ exited with 0 +++ [pid 5542] close(3 [pid 5528] <... sendfile resumed>) = ? [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5542] <... close resumed>) = 0 [pid 5528] +++ exited with 0 +++ [pid 5525] +++ exited with 0 +++ [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5542] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5542] <... futex resumed>) = 0 [pid 5542] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5027] <... openat resumed>) = 3 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5542] <... mmap resumed>) = 0x7fb652e3d000 [pid 5027] close(3 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5542] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5027] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5542] <... mprotect resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5543 [pid 5020] close(3) = 0 [pid 5542] <... clone3 resumed> => {parent_tid=[5544]}, 88) = 5544 [pid 5538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5544 attached [pid 5542] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5545 [pid 5544] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5542] <... futex resumed>) = 0 [pid 5538] <... mmap resumed>) = 0x7fb64ac1c000 ./strace-static-x86_64: Process 5545 attached [pid 5544] <... rseq resumed>) = 0 [pid 5542] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5538] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5543 attached [pid 5545] set_robust_list(0x5555556096a0, 24 [pid 5544] set_robust_list(0x7fb652e5d9a0, 24 [pid 5538] <... mprotect resumed>) = 0 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5544] <... set_robust_list resumed>) = 0 [pid 5543] set_robust_list(0x5555556096a0, 24 [pid 5538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5544] rt_sigprocmask(SIG_SETMASK, [], [pid 5538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5544] memfd_create("syzkaller", 0) = 3 [pid 5538] <... clone3 resumed> => {parent_tid=[5546]}, 88) = 5546 [pid 5544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5538] rt_sigprocmask(SIG_SETMASK, [], [pid 5544] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5543] <... set_robust_list resumed>) = 0 [pid 5538] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... prctl resumed>) = 0 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5538] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5546 attached [pid 5545] setpgid(0, 0 [pid 5543] <... prctl resumed>) = 0 [pid 5538] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5545] <... setpgid resumed>) = 0 [pid 5543] setpgid(0, 0 [pid 5546] <... rseq resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5543] <... setpgid resumed>) = 0 [pid 5546] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5545] <... openat resumed>) = 3 [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5546] <... set_robust_list resumed>) = 0 [pid 5545] write(3, "1000", 4 [pid 5546] rt_sigprocmask(SIG_SETMASK, [], [pid 5545] <... write resumed>) = 4 [pid 5543] <... openat resumed>) = 3 [pid 5546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5545] close(3 [pid 5543] write(3, "1000", 4 [pid 5546] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5545] <... close resumed>) = 0 [pid 5543] <... write resumed>) = 4 [pid 5546] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5546] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] close(3 [pid 5546] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... close resumed>) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5546] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5543] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5543] <... futex resumed>) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5546] lseek(-1, 257, SEEK_SET [pid 5545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5543] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5538] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5546] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5546] <... futex resumed>) = 1 [pid 5545] <... mmap resumed>) = 0x7fb652e3d000 [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5546] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5538] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... mprotect resumed>) = 0 [pid 5538] <... futex resumed>) = 0 [pid 5546] getdents64(-1, [pid 5545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5543] <... mmap resumed>) = 0x7fb652e3d000 [pid 5538] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5543] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5546] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5543] <... mprotect resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5546] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] <... clone3 resumed> => {parent_tid=[5547]}, 88) = 5547 [pid 5543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5538] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5538] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5547 attached [pid 5546] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5538] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5546] <... openat resumed>) = 5 [pid 5545] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... rseq resumed>) = 0 [pid 5546] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... clone3 resumed> => {parent_tid=[5548]}, 88) = 5548 [pid 5547] set_robust_list(0x7fb652e5d9a0, 24 [pid 5546] <... futex resumed>) = 1 [pid 5538] <... futex resumed>) = 0 [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5543] rt_sigprocmask(SIG_SETMASK, [], [pid 5547] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] memfd_create("syzkaller", 0 [pid 5543] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5548 attached [pid 5547] <... memfd_create resumed>) = 3 [pid 5548] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5543] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5548] <... rseq resumed>) = 0 [pid 5547] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5544] <... write resumed>) = 2097152 [pid 5544] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5548] set_robust_list(0x7fb652e5d9a0, 24 [pid 5544] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5548] <... set_robust_list resumed>) = 0 [pid 5544] <... openat resumed>) = 4 [pid 5548] rt_sigprocmask(SIG_SETMASK, [], [pid 5544] ioctl(4, LOOP_SET_FD, 3 [pid 5548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5544] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5544] ioctl(4, LOOP_CLR_FD) = 0 [pid 5548] memfd_create("syzkaller", 0) = 3 [pid 5548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5544] ioctl(4, LOOP_SET_FD, 3 [pid 5548] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5544] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5544] close(4 [pid 5547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5544] <... close resumed>) = 0 [pid 5544] close(3 [pid 5548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5544] <... close resumed>) = 0 [pid 5544] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5544] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] <... futex resumed>) = 0 [pid 5544] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5542] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] <... write resumed>) = 2097152 [pid 5547] munmap(0x7fb64aa3d000, 2097152 [pid 5544] <... open resumed>) = 3 [pid 5544] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5544] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] <... futex resumed>) = 0 [pid 5544] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5542] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] <... munmap resumed>) = 0 [pid 5547] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5547] ioctl(4, LOOP_CLR_FD [pid 5548] <... write resumed>) = 2097152 [pid 5547] <... ioctl resumed>) = 0 [pid 5548] munmap(0x7fb64aa3d000, 2097152 [pid 5547] ioctl(4, LOOP_SET_FD, 3 [pid 5548] <... munmap resumed>) = 0 [pid 5547] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5544] <... open resumed>) = 4 [pid 5547] close(4 [pid 5544] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5547] <... close resumed>) = 0 [pid 5548] <... openat resumed>) = 4 [pid 5547] close(3 [pid 5544] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5548] ioctl(4, LOOP_SET_FD, 3 [pid 5544] ftruncate(4, 33587195 [pid 5542] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5542] <... futex resumed>) = 0 [pid 5548] ioctl(4, LOOP_CLR_FD [pid 5542] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] <... ioctl resumed>) = 0 [pid 5548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5548] close(4) = 0 [pid 5548] close(3) = 0 [pid 5547] <... close resumed>) = 0 [pid 5544] <... ftruncate resumed>) = 0 [pid 5547] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5544] <... futex resumed>) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5547] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5542] <... futex resumed>) = 0 [pid 5547] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5545] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] sendfile(3, 4, NULL, 281474978811909 [pid 5542] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5548] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5543] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] <... open resumed>) = 3 [pid 5547] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5547] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5547] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5545] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] <... open resumed>) = 3 [pid 5548] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5548] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] <... futex resumed>) = 0 [pid 5548] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5543] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5547] <... open resumed>) = 4 [pid 5547] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5547] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] ftruncate(4, 33587195 [pid 5545] <... futex resumed>) = 0 [pid 5548] <... open resumed>) = 4 [pid 5547] <... ftruncate resumed>) = 0 [pid 5545] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... futex resumed>) = 1 [pid 5547] <... futex resumed>) = 0 [pid 5545] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = 0 [pid 5548] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5547] sendfile(3, 4, NULL, 281474978811909 [pid 5545] <... futex resumed>) = 0 [pid 5543] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] ftruncate(4, 33587195 [pid 5545] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] <... futex resumed>) = 0 [pid 5548] <... ftruncate resumed>) = 0 [pid 5543] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5548] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5542] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] <... futex resumed>) = 0 [pid 5542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5548] sendfile(3, 4, NULL, 281474978811909 [pid 5543] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5542] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5542] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5549]}, 88) = 5549 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5542] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5549 attached [pid 5549] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5549] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5549] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5549] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5542] <... futex resumed>) = 0 [pid 5549] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5549] lseek(-1, 257, SEEK_SET [pid 5542] <... futex resumed>) = 0 [pid 5533] exit_group(0 [pid 5549] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5542] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5540] <... futex resumed>) = ? [pid 5533] <... exit_group resumed>) = ? [pid 5549] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5540] +++ exited with 0 +++ [pid 5549] <... futex resumed>) = 0 [pid 5549] getdents64(-1, [pid 5542] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5549] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... futex resumed>) = 0 [pid 5549] <... futex resumed>) = 0 [pid 5542] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5535] <... sendfile resumed>) = ? [pid 5542] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] +++ exited with 0 +++ [pid 5533] +++ exited with 0 +++ [pid 5549] <... futex resumed>) = 0 [pid 5542] <... futex resumed>) = 1 [pid 5549] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5542] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5549] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5533, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5549] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5545] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5545] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5021] <... ioctl resumed>) = 0 [pid 5545] <... mprotect resumed>) = 0 [pid 5545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5021] close(3 [pid 5545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5021] <... close resumed>) = 0 [pid 5545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5543] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... clone3 resumed> => {parent_tid=[5550]}, 88) = 5550 [pid 5543] <... futex resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5551 [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5551 attached ./strace-static-x86_64: Process 5550 attached [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5551] set_robust_list(0x5555556096a0, 24 [pid 5550] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5545] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] <... rseq resumed>) = 0 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... mprotect resumed>) = 0 [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... prctl resumed>) = 0 [pid 5543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5551] setpgid(0, 0 [pid 5543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5551] <... setpgid resumed>) = 0 [pid 5543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5550] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5543] <... clone3 resumed> => {parent_tid=[5552]}, 88) = 5552 ./strace-static-x86_64: Process 5552 attached [pid 5551] write(3, "1000", 4 [pid 5550] <... set_robust_list resumed>) = 0 [pid 5543] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5551] <... write resumed>) = 4 [pid 5550] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] close(3 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] <... rseq resumed>) = 0 [pid 5543] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5551] <... close resumed>) = 0 [pid 5550] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5543] <... futex resumed>) = 0 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5551] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5543] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] <... futex resumed>) = 0 [pid 5550] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5550] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5552] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5550] lseek(-1, 257, SEEK_SET [pid 5545] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5550] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... futex resumed>) = 0 [pid 5552] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... futex resumed>) = 1 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5550] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] <... futex resumed>) = 0 [pid 5552] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] <... mmap resumed>) = 0x7fb652e3d000 [pid 5550] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5552] lseek(-1, 257, SEEK_SET [pid 5551] <... mprotect resumed>) = 0 [pid 5550] getdents64(-1, [pid 5545] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5550] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5552] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5550] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 1 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5550] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5553 attached [pid 5552] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... clone3 resumed> => {parent_tid=[5553]}, 88) = 5553 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5553] <... rseq resumed>) = 0 [pid 5552] getdents64(-1, [pid 5551] rt_sigprocmask(SIG_SETMASK, [], [pid 5550] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5545] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] set_robust_list(0x7fb652e5d9a0, 24 [pid 5552] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] <... openat resumed>) = 5 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5552] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5550] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] memfd_create("syzkaller", 0 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] <... futex resumed>) = 0 [pid 5536] exit_group(0 [pid 5553] <... memfd_create resumed>) = 3 [pid 5552] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5543] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = ? [pid 5536] <... exit_group resumed>) = ? [pid 5553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5552] <... openat resumed>) = 5 [pid 5541] +++ exited with 0 +++ [pid 5537] <... sendfile resumed>) = ? [pid 5553] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5552] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] +++ exited with 0 +++ [pid 5536] +++ exited with 0 +++ [pid 5552] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5552] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5019] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5554 ./strace-static-x86_64: Process 5554 attached [pid 5554] set_robust_list(0x5555556096a0, 24) = 0 [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5554] setpgid(0, 0) = 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5554] write(3, "1000", 4 [pid 5553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5554] <... write resumed>) = 4 [pid 5554] close(3) = 0 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5554] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5555]}, 88) = 5555 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5554] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5555 attached [pid 5555] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5555] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5555] memfd_create("syzkaller", 0) = 3 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5553] <... write resumed>) = 2097152 [pid 5553] munmap(0x7fb64aa3d000, 2097152 [pid 5538] exit_group(0 [pid 5546] <... futex resumed>) = ? [pid 5538] <... exit_group resumed>) = ? [pid 5555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5553] <... munmap resumed>) = 0 [pid 5546] +++ exited with 0 +++ [pid 5539] <... sendfile resumed>) = ? [pid 5553] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5539] +++ exited with 0 +++ [pid 5538] +++ exited with 0 +++ [pid 5553] <... openat resumed>) = 4 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5538, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5553] ioctl(4, LOOP_SET_FD, 3 [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5553] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5025] <... restart_syscall resumed>) = 0 [pid 5553] ioctl(4, LOOP_CLR_FD) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5025] <... ioctl resumed>) = 0 [pid 5553] close(4 [pid 5025] close(3 [pid 5553] <... close resumed>) = 0 [pid 5553] close(3 [pid 5025] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5556 ./strace-static-x86_64: Process 5556 attached [pid 5556] set_robust_list(0x5555556096a0, 24) = 0 [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5556] setpgid(0, 0) = 0 [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5556] write(3, "1000", 4 [pid 5555] <... write resumed>) = 2097152 [pid 5556] <... write resumed>) = 4 [pid 5555] munmap(0x7fb64aa3d000, 2097152 [pid 5553] <... close resumed>) = 0 [pid 5556] close(3 [pid 5553] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... close resumed>) = 0 [pid 5555] <... munmap resumed>) = 0 [pid 5553] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5553] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5551] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... futex resumed>) = 0 [pid 5555] <... openat resumed>) = 4 [pid 5551] <... futex resumed>) = 0 [pid 5556] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5555] ioctl(4, LOOP_SET_FD, 3 [pid 5551] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5555] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5555] ioctl(4, LOOP_CLR_FD [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] <... ioctl resumed>) = 0 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5556] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5555] ioctl(4, LOOP_SET_FD, 3 [pid 5556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5555] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5555] close(4 [pid 5556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5555] <... close resumed>) = 0 [pid 5555] close(3 [pid 5556] <... clone3 resumed> => {parent_tid=[5557]}, 88) = 5557 [pid 5553] <... open resumed>) = 3 [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5557 attached [pid 5556] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5556] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = 0 [pid 5557] <... rseq resumed>) = 0 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5553] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5551] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] set_robust_list(0x7fb652e5d9a0, 24 [pid 5555] <... close resumed>) = 0 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5555] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] rt_sigprocmask(SIG_SETMASK, [], [pid 5555] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5555] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5554] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] memfd_create("syzkaller", 0 [pid 5554] <... futex resumed>) = 0 [pid 5557] <... memfd_create resumed>) = 3 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5553] <... open resumed>) = 4 [pid 5553] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5555] <... open resumed>) = 3 [pid 5553] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = 0 [pid 5555] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5553] ftruncate(4, 33587195 [pid 5551] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5555] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5555] <... open resumed>) = 4 [pid 5553] <... ftruncate resumed>) = 0 [pid 5555] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5555] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = 0 [pid 5555] ftruncate(4, 33587195 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] sendfile(3, 4, NULL, 281474978811909 [pid 5551] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] <... ftruncate resumed>) = 0 [pid 5555] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5557] <... write resumed>) = 2097152 [pid 5555] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5555] sendfile(3, 4, NULL, 281474978811909 [pid 5554] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5557] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5557] ioctl(4, LOOP_CLR_FD) = 0 [pid 5557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5557] close(4) = 0 [pid 5557] close(3 [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5557] <... close resumed>) = 0 [pid 5551] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5551] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5558]}, 88) = 5558 [pid 5551] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5558 attached [pid 5554] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5558] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5557] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] <... rseq resumed>) = 0 [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5558] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5557] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5551] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] <... set_robust_list resumed>) = 0 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] <... futex resumed>) = 0 [pid 5554] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5558] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] <... mprotect resumed>) = 0 [pid 5558] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5558] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5558] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5559 attached [pid 5558] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5559] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5558] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] <... clone3 resumed> => {parent_tid=[5559]}, 88) = 5559 [pid 5551] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... rseq resumed>) = 0 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] <... futex resumed>) = 0 [pid 5559] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5558] lseek(-1, 257, SEEK_SET [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5542] exit_group(0 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5557] <... open resumed>) = 3 [pid 5554] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5549] <... futex resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5559] rt_sigprocmask(SIG_SETMASK, [], [pid 5558] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = 0 [pid 5549] +++ exited with 0 +++ [pid 5559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5558] <... futex resumed>) = 1 [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5554] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] <... futex resumed>) = 0 [pid 5559] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5558] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5559] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] getdents64(-1, [pid 5557] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5551] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... sendfile resumed>) = ? [pid 5559] <... futex resumed>) = 1 [pid 5558] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5554] <... futex resumed>) = 0 [pid 5554] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5554] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] +++ exited with 0 +++ [pid 5542] +++ exited with 0 +++ [pid 5559] lseek(-1, 257, SEEK_SET [pid 5558] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5559] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5558] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5559] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... futex resumed>) = 1 [pid 5558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] <... futex resumed>) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5559] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5558] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5554] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... openat resumed>) = 3 [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5558] <... openat resumed>) = 5 [pid 5554] <... futex resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5559] getdents64(-1, [pid 5558] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... ioctl resumed>) = 0 [pid 5559] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5558] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5559] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5558] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5560 ./strace-static-x86_64: Process 5560 attached [pid 5560] set_robust_list(0x5555556096a0, 24) = 0 [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5560] setpgid(0, 0) = 0 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5560] write(3, "1000", 4) = 4 [pid 5560] close(3 [pid 5545] exit_group(0 [pid 5560] <... close resumed>) = 0 [pid 5550] <... futex resumed>) = ? [pid 5545] <... exit_group resumed>) = ? [pid 5560] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... futex resumed>) = 1 [pid 5557] <... open resumed>) = 4 [pid 5554] <... futex resumed>) = 0 [pid 5550] +++ exited with 0 +++ [pid 5547] <... sendfile resumed>) = ? [pid 5560] <... futex resumed>) = 0 [pid 5559] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5557] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5554] <... futex resumed>) = 0 [pid 5547] +++ exited with 0 +++ [pid 5545] +++ exited with 0 +++ [pid 5560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5559] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5557] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5559] <... openat resumed>) = 5 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] <... futex resumed>) = 0 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] ftruncate(4, 33587195 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5560] <... mmap resumed>) = 0x7fb652e3d000 [pid 5559] <... futex resumed>) = 1 [pid 5554] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5560] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5559] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... mprotect resumed>) = 0 [pid 5560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5543] exit_group(0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5552] <... futex resumed>) = ? [pid 5543] <... exit_group resumed>) = ? [pid 5020] <... openat resumed>) = 3 [pid 5560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5557] <... ftruncate resumed>) = 0 [pid 5552] +++ exited with 0 +++ [pid 5548] <... sendfile resumed>) = ? [pid 5020] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5561 attached [pid 5557] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... ioctl resumed>) = 0 [pid 5560] <... clone3 resumed> => {parent_tid=[5561]}, 88) = 5561 [pid 5020] close(3 [pid 5561] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5548] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5020] <... close resumed>) = 0 [pid 5561] <... rseq resumed>) = 0 [pid 5557] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5561] set_robust_list(0x7fb652e5d9a0, 24 [pid 5560] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] <... futex resumed>) = 0 [pid 5561] <... set_robust_list resumed>) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5557] sendfile(3, 4, NULL, 281474978811909 [pid 5556] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5562 attached [pid 5561] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5562 [pid 5562] set_robust_list(0x5555556096a0, 24 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5562] <... set_robust_list resumed>) = 0 [pid 5561] memfd_create("syzkaller", 0 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... memfd_create resumed>) = 3 [pid 5027] <... ioctl resumed>) = 0 [pid 5562] <... prctl resumed>) = 0 [pid 5561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5027] close(3 [pid 5562] setpgid(0, 0 [pid 5561] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5027] <... close resumed>) = 0 [pid 5562] <... setpgid resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5563 ./strace-static-x86_64: Process 5563 attached [pid 5562] write(3, "1000", 4) = 4 [pid 5563] set_robust_list(0x5555556096a0, 24) = 0 [pid 5562] close(3 [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5562] <... close resumed>) = 0 [pid 5563] <... prctl resumed>) = 0 [pid 5562] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] setpgid(0, 0 [pid 5562] <... futex resumed>) = 0 [pid 5563] <... setpgid resumed>) = 0 [pid 5562] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5562] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5563] <... openat resumed>) = 3 [pid 5562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] write(3, "1000", 4 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5556] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... write resumed>) = 4 [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] <... futex resumed>) = 0 [pid 5563] close(3 [pid 5562] <... mmap resumed>) = 0x7fb652e3d000 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5563] <... close resumed>) = 0 [pid 5562] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5556] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5563] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... mprotect resumed>) = 0 [pid 5556] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5563] <... futex resumed>) = 0 [pid 5562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5563] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5556] <... mprotect resumed>) = 0 [pid 5563] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5556] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5564 attached [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5562] <... clone3 resumed> => {parent_tid=[5564]}, 88) = 5564 [pid 5556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5564] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5562] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5564] <... rseq resumed>) = 0 [pid 5563] <... mmap resumed>) = 0x7fb652e3d000 [pid 5562] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5565 attached [pid 5564] set_robust_list(0x7fb652e5d9a0, 24 [pid 5563] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5562] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... write resumed>) = 2097152 [pid 5556] <... clone3 resumed> => {parent_tid=[5565]}, 88) = 5565 [pid 5565] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5563] <... mprotect resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5561] munmap(0x7fb64aa3d000, 2097152 [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] <... rseq resumed>) = 0 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], [pid 5563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5562] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5556] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... munmap resumed>) = 0 [pid 5565] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5564] memfd_create("syzkaller", 0 [pid 5563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5561] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5556] <... futex resumed>) = 0 [pid 5565] <... set_robust_list resumed>) = 0 [pid 5564] <... memfd_create resumed>) = 3 [pid 5561] <... openat resumed>) = 4 [pid 5556] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5563] <... clone3 resumed> => {parent_tid=[5566]}, 88) = 5566 [pid 5561] ioctl(4, LOOP_SET_FD, 3 [pid 5565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5566 attached [pid 5565] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] ioctl(4, LOOP_CLR_FD [pid 5566] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5565] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5563] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... ioctl resumed>) = 0 [pid 5566] <... rseq resumed>) = 0 [pid 5565] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... futex resumed>) = 0 [pid 5566] set_robust_list(0x7fb652e5d9a0, 24 [pid 5565] <... futex resumed>) = 1 [pid 5563] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5565] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] ioctl(4, LOOP_SET_FD, 3 [pid 5556] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] rt_sigprocmask(SIG_SETMASK, [], [pid 5565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5561] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5556] <... futex resumed>) = 0 [pid 5566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5565] lseek(-1, 257, SEEK_SET [pid 5561] close(4 [pid 5556] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] memfd_create("syzkaller", 0 [pid 5565] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5561] <... close resumed>) = 0 [pid 5566] <... memfd_create resumed>) = 3 [pid 5565] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] close(3 [pid 5566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5565] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5566] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5565] getdents64(-1, [pid 5556] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5556] <... futex resumed>) = 0 [pid 5565] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5556] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5565] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5556] <... futex resumed>) = 0 [pid 5565] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5556] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5565] <... openat resumed>) = 5 [pid 5561] <... close resumed>) = 0 [pid 5565] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = 0 [pid 5565] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5560] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5561] <... open resumed>) = 3 [pid 5561] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... write resumed>) = 2097152 [pid 5564] munmap(0x7fb64aa3d000, 2097152 [pid 5561] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5561] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5564] <... munmap resumed>) = 0 [pid 5561] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5560] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5564] ioctl(4, LOOP_CLR_FD) = 0 [pid 5564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5564] close(4 [pid 5566] <... write resumed>) = 2097152 [pid 5561] <... open resumed>) = 4 [pid 5566] munmap(0x7fb64aa3d000, 2097152 [pid 5564] <... close resumed>) = 0 [pid 5561] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... munmap resumed>) = 0 [pid 5564] close(3 [pid 5561] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5561] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5566] <... openat resumed>) = 4 [pid 5564] <... close resumed>) = 0 [pid 5560] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] ioctl(4, LOOP_SET_FD, 3 [pid 5564] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5566] ioctl(4, LOOP_CLR_FD [pid 5564] <... futex resumed>) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5566] <... ioctl resumed>) = 0 [pid 5564] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... futex resumed>) = 0 [pid 5564] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5562] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] ftruncate(4, 33587195 [pid 5566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5566] close(4) = 0 [pid 5566] close(3 [pid 5564] <... open resumed>) = 3 [pid 5564] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5562] <... futex resumed>) = 0 [pid 5564] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... ftruncate resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5561] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5564] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5561] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... close resumed>) = 0 [pid 5561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5566] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] sendfile(3, 4, NULL, 281474978811909 [pid 5560] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... futex resumed>) = 1 [pid 5564] <... open resumed>) = 4 [pid 5563] <... futex resumed>) = 0 [pid 5566] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5564] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5566] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5564] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... futex resumed>) = 0 [pid 5564] ftruncate(4, 33587195 [pid 5562] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... open resumed>) = 3 [pid 5564] <... ftruncate resumed>) = 0 [pid 5566] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5566] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5564] sendfile(3, 4, NULL, 281474978811909 [pid 5563] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... futex resumed>) = 0 [pid 5562] <... futex resumed>) = 0 [pid 5566] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5563] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] <... open resumed>) = 4 [pid 5566] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5566] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... futex resumed>) = 0 [pid 5566] ftruncate(4, 33587195 [pid 5563] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5560] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5560] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5566] <... ftruncate resumed>) = 0 [pid 5560] <... mprotect resumed>) = 0 [pid 5560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5566] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5566] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5566] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5567 attached ) = 0 [pid 5566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5566] sendfile(3, 4, NULL, 281474978811909 [pid 5560] <... clone3 resumed> => {parent_tid=[5567]}, 88) = 5567 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5567] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5560] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... rseq resumed>) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5567] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5560] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... set_robust_list resumed>) = 0 [pid 5567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5567] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5567] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5567] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5567] lseek(-1, 257, SEEK_SET [pid 5560] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5567] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5567] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5567] getdents64(-1, [pid 5560] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5567] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5567] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = 0 [pid 5567] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5562] <... futex resumed>) = 0 [pid 5560] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5567] <... openat resumed>) = 5 [pid 5562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5567] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5562] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5567] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5562] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5568]}, 88) = 5568 [pid 5562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5562] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5568 attached [pid 5568] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5562] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] <... rseq resumed>) = 0 [pid 5568] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5568] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5568] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5568] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] <... futex resumed>) = 0 [pid 5562] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = 0 [pid 5562] <... futex resumed>) = 1 [pid 5568] lseek(-1, 257, SEEK_SET [pid 5562] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5568] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... futex resumed>) = 0 [pid 5568] getdents64(-1, [pid 5562] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5568] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5562] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5568] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5562] <... futex resumed>) = 0 [pid 5568] <... openat resumed>) = 5 [pid 5562] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5568] <... futex resumed>) = 0 [pid 5568] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5563] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5569 attached [pid 5569] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5563] <... clone3 resumed> => {parent_tid=[5569]}, 88) = 5569 [pid 5569] <... rseq resumed>) = 0 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5569] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5569] <... set_robust_list resumed>) = 0 [pid 5563] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] rt_sigprocmask(SIG_SETMASK, [], [pid 5563] <... futex resumed>) = 0 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5563] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5569] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5569] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5563] <... futex resumed>) = 0 [pid 5569] lseek(-1, 257, SEEK_SET [pid 5563] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5569] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] exit_group(0 [pid 5569] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5554] <... exit_group resumed>) = ? [pid 5559] <... futex resumed>) = ? [pid 5569] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] +++ exited with 0 +++ [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] getdents64(-1, [pid 5563] <... futex resumed>) = 0 [pid 5555] <... sendfile resumed>) = ? [pid 5569] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5563] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5569] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5569] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5555] +++ exited with 0 +++ [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] +++ exited with 0 +++ [pid 5551] exit_group(0 [pid 5563] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5569] <... futex resumed>) = 0 [pid 5563] <... futex resumed>) = 1 [pid 5558] <... futex resumed>) = ? [pid 5553] <... sendfile resumed>) = ? [pid 5551] <... exit_group resumed>) = ? [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5569] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5563] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5558] +++ exited with 0 +++ [pid 5019] <... restart_syscall resumed>) = 0 [pid 5569] <... openat resumed>) = 5 [pid 5553] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5569] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5569] <... futex resumed>) = 1 [pid 5563] <... futex resumed>) = 0 [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5569] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5021] <... restart_syscall resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] close(3 [pid 5021] <... openat resumed>) = 3 [pid 5019] <... close resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... ioctl resumed>) = 0 [pid 5021] close(3 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5570 [pid 5021] <... close resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5571 ./strace-static-x86_64: Process 5570 attached [pid 5570] set_robust_list(0x5555556096a0, 24) = 0 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5570] setpgid(0, 0) = 0 [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5570] write(3, "1000", 4) = 4 [pid 5570] close(3) = 0 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5570] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5570] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5572]}, 88) = 5572 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5570] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5571 attached ) = 0 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5571] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5572 attached [pid 5572] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5572] <... rseq resumed>) = 0 [pid 5572] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5572] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] memfd_create("syzkaller", 0) = 3 [pid 5571] <... prctl resumed>) = 0 [pid 5572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5571] setpgid(0, 0) = 0 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5571] write(3, "1000", 4) = 4 [pid 5571] close(3) = 0 [pid 5571] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5571] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5556] exit_group(0 [pid 5571] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5565] <... futex resumed>) = ? [pid 5556] <... exit_group resumed>) = ? [pid 5571] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5565] +++ exited with 0 +++ [pid 5571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5573]}, 88) = 5573 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5571] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... sendfile resumed>) = ? ./strace-static-x86_64: Process 5573 attached [pid 5573] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5571] <... futex resumed>) = 0 [pid 5573] <... rseq resumed>) = 0 [pid 5573] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5573] memfd_create("syzkaller", 0) = 3 [pid 5573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5557] +++ exited with 0 +++ [pid 5556] +++ exited with 0 +++ [pid 5573] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5571] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5574 ./strace-static-x86_64: Process 5574 attached [pid 5572] <... write resumed>) = 2097152 [pid 5574] set_robust_list(0x5555556096a0, 24) = 0 [pid 5574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5574] setpgid(0, 0) = 0 [pid 5574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5574] write(3, "1000", 4) = 4 [pid 5574] close(3 [pid 5573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5574] <... close resumed>) = 0 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5574] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5572] munmap(0x7fb64aa3d000, 2097152 [pid 5574] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5572] <... munmap resumed>) = 0 [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] <... openat resumed>) = 4 [pid 5574] <... mmap resumed>) = 0x7fb652e3d000 [pid 5572] ioctl(4, LOOP_SET_FD, 3 [pid 5574] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5572] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5574] <... mprotect resumed>) = 0 [pid 5572] ioctl(4, LOOP_CLR_FD [pid 5574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5572] <... ioctl resumed>) = 0 [pid 5574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5572] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5575 attached [pid 5574] <... clone3 resumed> => {parent_tid=[5575]}, 88) = 5575 [pid 5573] <... write resumed>) = 2097152 [pid 5572] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5575] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] munmap(0x7fb64aa3d000, 2097152 [pid 5572] close(4 [pid 5575] <... rseq resumed>) = 0 [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... close resumed>) = 0 [pid 5574] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] close(3 [pid 5574] <... futex resumed>) = 0 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5575] set_robust_list(0x7fb652e5d9a0, 24 [pid 5573] <... munmap resumed>) = 0 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5575] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] <... openat resumed>) = 4 [pid 5575] memfd_create("syzkaller", 0 [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5575] <... memfd_create resumed>) = 3 [pid 5573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5572] <... close resumed>) = 0 [pid 5575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5573] ioctl(4, LOOP_CLR_FD [pid 5572] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5573] <... ioctl resumed>) = 0 [pid 5572] <... futex resumed>) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5572] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] <... futex resumed>) = 0 [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5572] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5573] close(4) = 0 [pid 5573] close(3 [pid 5572] <... open resumed>) = 3 [pid 5575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5572] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5572] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5570] <... futex resumed>) = 0 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... close resumed>) = 0 [pid 5573] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5573] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5573] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5572] <... open resumed>) = 4 [pid 5571] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5570] <... futex resumed>) = 0 [pid 5572] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] <... futex resumed>) = 0 [pid 5575] <... write resumed>) = 2097152 [pid 5572] ftruncate(4, 33587195 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5575] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5575] ioctl(4, LOOP_CLR_FD) = 0 [pid 5575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5575] close(4 [pid 5573] <... open resumed>) = 3 [pid 5575] <... close resumed>) = 0 [pid 5575] close(3 [pid 5573] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... ftruncate resumed>) = 0 [pid 5573] <... futex resumed>) = 1 [pid 5572] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 0 [pid 5573] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] <... futex resumed>) = 1 [pid 5571] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] <... futex resumed>) = 0 [pid 5570] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... futex resumed>) = 0 [pid 5572] sendfile(3, 4, NULL, 281474978811909 [pid 5570] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] exit_group(0 [pid 5575] <... close resumed>) = 0 [pid 5567] <... futex resumed>) = ? [pid 5560] <... exit_group resumed>) = ? [pid 5575] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] +++ exited with 0 +++ [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5575] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... futex resumed>) = 0 [pid 5575] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... open resumed>) = 4 [pid 5561] <... sendfile resumed>) = ? [pid 5573] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] +++ exited with 0 +++ [pid 5560] +++ exited with 0 +++ [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5573] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5573] ftruncate(4, 33587195 [pid 5571] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... restart_syscall resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD) = 0 [pid 5022] close(3 [pid 5575] <... open resumed>) = 3 [pid 5022] <... close resumed>) = 0 [pid 5575] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5575] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = 0 [pid 5574] <... futex resumed>) = 1 [pid 5575] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5576 [pid 5562] exit_group(0./strace-static-x86_64: Process 5576 attached [pid 5568] <... futex resumed>) = ? [pid 5564] <... sendfile resumed>) = ? [pid 5562] <... exit_group resumed>) = ? [pid 5576] set_robust_list(0x5555556096a0, 24 [pid 5573] <... ftruncate resumed>) = 0 [pid 5568] +++ exited with 0 +++ [pid 5576] <... set_robust_list resumed>) = 0 [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5576] setpgid(0, 0) = 0 [pid 5573] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5564] +++ exited with 0 +++ [pid 5562] +++ exited with 0 +++ [pid 5576] <... openat resumed>) = 3 [pid 5573] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5576] write(3, "1000", 4 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5576] <... write resumed>) = 4 [pid 5573] sendfile(3, 4, NULL, 281474978811909 [pid 5571] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] close(3) = 0 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5576] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] <... openat resumed>) = 3 [pid 5576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5570] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5020] close(3 [pid 5576] <... mmap resumed>) = 0x7fb652e3d000 [pid 5020] <... close resumed>) = 0 [pid 5576] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5576] <... mprotect resumed>) = 0 [pid 5570] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5570] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5577 [pid 5576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5575] <... open resumed>) = 4 [pid 5570] <... mprotect resumed>) = 0 [pid 5576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5575] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5577 attached [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] set_robust_list(0x5555556096a0, 24 [pid 5576] <... clone3 resumed> => {parent_tid=[5578]}, 88) = 5578 [pid 5575] ftruncate(4, 33587195 [pid 5574] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5577] <... set_robust_list resumed>) = 0 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], [pid 5574] <... futex resumed>) = 0 [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... clone3 resumed> => {parent_tid=[5579]}, 88) = 5579 [pid 5577] <... prctl resumed>) = 0 [pid 5576] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5577] setpgid(0, 0 [pid 5576] <... futex resumed>) = 0 [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] <... setpgid resumed>) = 0 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5579 attached [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5579] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5577] <... openat resumed>) = 3 [pid 5570] <... futex resumed>) = 0 [pid 5579] <... rseq resumed>) = 0 [pid 5577] write(3, "1000", 4 [pid 5570] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5577] <... write resumed>) = 4 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5577] close(3 [pid 5579] rt_sigprocmask(SIG_SETMASK, [], [pid 5577] <... close resumed>) = 0 [pid 5579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5577] <... futex resumed>) = 0 [pid 5579] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5577] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5579] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5579] <... futex resumed>) = 1 [pid 5577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5570] <... futex resumed>) = 0 [pid 5579] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5570] <... futex resumed>) = 0 [pid 5579] lseek(-1, 257, SEEK_SET [pid 5577] <... mmap resumed>) = 0x7fb652e3d000 [pid 5570] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5577] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5579] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] <... mprotect resumed>) = 0 [pid 5579] <... futex resumed>) = 1 [pid 5577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5575] <... ftruncate resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5563] exit_group(0./strace-static-x86_64: Process 5578 attached [pid 5579] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5575] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] <... futex resumed>) = ? [pid 5563] <... exit_group resumed>) = ? [pid 5579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5578] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5575] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5569] +++ exited with 0 +++ [pid 5579] getdents64(-1, [pid 5578] <... rseq resumed>) = 0 [pid 5575] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5578] set_robust_list(0x7fb652e5d9a0, 24 [pid 5577] <... clone3 resumed> => {parent_tid=[5580]}, 88) = 5580 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... futex resumed>) = 0 [pid 5579] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] <... set_robust_list resumed>) = 0 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5575] sendfile(3, 4, NULL, 281474978811909 [pid 5574] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... futex resumed>) = 1 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5578] rt_sigprocmask(SIG_SETMASK, [], [pid 5579] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5579] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5578] memfd_create("syzkaller", 0 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5580 attached [pid 5579] <... openat resumed>) = 5 [pid 5578] <... memfd_create resumed>) = 3 [pid 5580] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5579] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... rseq resumed>) = 0 [pid 5579] <... futex resumed>) = 1 [pid 5578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5570] <... futex resumed>) = 0 [pid 5580] set_robust_list(0x7fb652e5d9a0, 24 [pid 5579] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5580] <... set_robust_list resumed>) = 0 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5580] memfd_create("syzkaller", 0) = 3 [pid 5580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5566] <... sendfile resumed>) = ? [pid 5571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5566] +++ exited with 0 +++ [pid 5563] +++ exited with 0 +++ [pid 5571] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5563, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5571] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5571] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5027] <... restart_syscall resumed>) = 0 [pid 5571] <... mprotect resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5027] <... openat resumed>) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5571] <... clone3 resumed> => {parent_tid=[5581]}, 88) = 5581 [pid 5027] <... ioctl resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_SETMASK, [], [pid 5027] close(3 [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] <... close resumed>) = 0 [pid 5571] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5582 ./strace-static-x86_64: Process 5581 attached [pid 5581] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 5582 attached [pid 5581] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5582] set_robust_list(0x5555556096a0, 24 [pid 5581] <... set_robust_list resumed>) = 0 [pid 5582] <... set_robust_list resumed>) = 0 [pid 5581] rt_sigprocmask(SIG_SETMASK, [], [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] <... prctl resumed>) = 0 [pid 5581] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5582] setpgid(0, 0 [pid 5581] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5574] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] <... setpgid resumed>) = 0 [pid 5581] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... futex resumed>) = 0 [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5581] <... futex resumed>) = 1 [pid 5574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5571] <... futex resumed>) = 0 [pid 5582] <... openat resumed>) = 3 [pid 5581] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5571] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] write(3, "1000", 4 [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5571] <... futex resumed>) = 0 [pid 5582] <... write resumed>) = 4 [pid 5581] lseek(-1, 257, SEEK_SET [pid 5578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5574] <... mprotect resumed>) = 0 [pid 5571] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5582] close(3 [pid 5581] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5582] <... close resumed>) = 0 [pid 5581] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... futex resumed>) = 1 [pid 5574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5571] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = 0 [pid 5581] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... clone3 resumed> => {parent_tid=[5583]}, 88) = 5583 [pid 5571] <... futex resumed>) = 0 [pid 5582] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5581] getdents64(-1, [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5571] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5583 attached [pid 5582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5581] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5583] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5581] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5571] <... futex resumed>) = 0 [pid 5583] <... rseq resumed>) = 0 [pid 5583] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5582] <... mmap resumed>) = 0x7fb652e3d000 [pid 5581] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... set_robust_list resumed>) = 0 [pid 5582] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5583] rt_sigprocmask(SIG_SETMASK, [], [pid 5582] <... mprotect resumed>) = 0 [pid 5581] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5571] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5581] <... openat resumed>) = 5 [pid 5583] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5581] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5581] <... futex resumed>) = 1 [pid 5578] <... write resumed>) = 2097152 [pid 5571] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5584 attached [pid 5583] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] munmap(0x7fb64aa3d000, 2097152 [pid 5584] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5583] <... futex resumed>) = 1 [pid 5582] <... clone3 resumed> => {parent_tid=[5584]}, 88) = 5584 [pid 5574] <... futex resumed>) = 0 [pid 5578] <... munmap resumed>) = 0 [pid 5584] <... rseq resumed>) = 0 [pid 5583] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] rt_sigprocmask(SIG_SETMASK, [], [pid 5578] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5574] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] set_robust_list(0x7fb652e5d9a0, 24 [pid 5583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5578] <... openat resumed>) = 4 [pid 5574] <... futex resumed>) = 0 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5583] lseek(-1, 257, SEEK_SET [pid 5582] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... write resumed>) = 2097152 [pid 5578] ioctl(4, LOOP_SET_FD, 3 [pid 5574] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] rt_sigprocmask(SIG_SETMASK, [], [pid 5583] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5582] <... futex resumed>) = 0 [pid 5580] munmap(0x7fb64aa3d000, 2097152 [pid 5578] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5583] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5578] ioctl(4, LOOP_CLR_FD [pid 5584] memfd_create("syzkaller", 0 [pid 5583] <... futex resumed>) = 1 [pid 5578] <... ioctl resumed>) = 0 [pid 5574] <... futex resumed>) = 0 [pid 5584] <... memfd_create resumed>) = 3 [pid 5583] getdents64(-1, [pid 5574] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5583] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5580] <... munmap resumed>) = 0 [pid 5574] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5583] <... futex resumed>) = 0 [pid 5580] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5578] ioctl(4, LOOP_SET_FD, 3 [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5574] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5580] <... openat resumed>) = 4 [pid 5578] close(4 [pid 5574] <... futex resumed>) = 0 [pid 5583] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5578] <... close resumed>) = 0 [pid 5574] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] <... openat resumed>) = 5 [pid 5578] close(3 [pid 5583] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5583] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5580] ioctl(4, LOOP_CLR_FD) = 0 [pid 5578] <... close resumed>) = 0 [pid 5580] ioctl(4, LOOP_SET_FD, 3 [pid 5578] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5578] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5580] close(4 [pid 5578] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5580] <... close resumed>) = 0 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = 0 [pid 5580] close(3 [pid 5578] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] <... close resumed>) = 0 [pid 5578] <... open resumed>) = 3 [pid 5580] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = 1 [pid 5578] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5580] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = 0 [pid 5580] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5578] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] <... futex resumed>) = 0 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... write resumed>) = 2097152 [pid 5580] <... open resumed>) = 3 [pid 5578] <... open resumed>) = 4 [pid 5584] munmap(0x7fb64aa3d000, 2097152 [pid 5580] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5578] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = 1 [pid 5578] <... futex resumed>) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5584] <... munmap resumed>) = 0 [pid 5580] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5578] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = 0 [pid 5584] <... openat resumed>) = 4 [pid 5580] <... futex resumed>) = 0 [pid 5578] ftruncate(4, 33587195 [pid 5577] <... futex resumed>) = 1 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] ioctl(4, LOOP_SET_FD, 3 [pid 5580] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5584] ioctl(4, LOOP_CLR_FD) = 0 [pid 5584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5584] close(4 [pid 5578] <... ftruncate resumed>) = 0 [pid 5578] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5584] <... close resumed>) = 0 [pid 5578] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] close(3 [pid 5578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = 0 [pid 5578] sendfile(3, 4, NULL, 281474978811909 [pid 5576] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] <... open resumed>) = 4 [pid 5580] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5580] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5580] ftruncate(4, 33587195 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] <... ftruncate resumed>) = 0 [pid 5580] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5580] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5584] <... close resumed>) = 0 [pid 5580] sendfile(3, 4, NULL, 281474978811909 [pid 5577] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5584] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5584] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... open resumed>) = 3 [pid 5584] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5584] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5582] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5582] <... futex resumed>) = 0 [pid 5576] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... futex resumed>) = 0 [pid 5576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5576] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5585]}, 88) = 5585 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5576] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5585 attached [pid 5585] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5585] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5584] <... open resumed>) = 4 [pid 5585] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5585] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5584] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5585] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] ftruncate(4, 33587195 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5585] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = 0 [pid 5585] lseek(-1, 257, SEEK_SET [pid 5576] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5585] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = 0 [pid 5585] getdents64(-1, [pid 5576] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5585] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5576] <... futex resumed>) = 0 [pid 5585] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5585] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5576] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... openat resumed>) = 5 [pid 5577] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5585] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5585] <... futex resumed>) = 1 [pid 5584] <... ftruncate resumed>) = 0 [pid 5577] <... mprotect resumed>) = 0 [pid 5576] <... futex resumed>) = 0 [pid 5585] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5584] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5577] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5584] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5586 attached [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5586] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5584] sendfile(3, 4, NULL, 281474978811909 [pid 5582] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5577] <... clone3 resumed> => {parent_tid=[5586]}, 88) = 5586 [pid 5586] <... rseq resumed>) = 0 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5577] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5577] <... futex resumed>) = 0 [pid 5586] <... set_robust_list resumed>) = 0 [pid 5577] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5586] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5586] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5586] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5586] lseek(-1, 257, SEEK_SET [pid 5577] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5586] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5586] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5586] getdents64(-1, [pid 5577] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5586] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5586] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5577] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] <... futex resumed>) = 0 [pid 5586] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5577] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5586] <... openat resumed>) = 5 [pid 5586] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5577] <... futex resumed>) = 0 [pid 5586] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5570] exit_group(0 [pid 5579] <... futex resumed>) = ? [pid 5570] <... exit_group resumed>) = ? [pid 5579] +++ exited with 0 +++ [pid 5582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5582] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5572] <... sendfile resumed>) = ? [pid 5582] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5572] +++ exited with 0 +++ [pid 5570] +++ exited with 0 +++ [pid 5582] <... mprotect resumed>) = 0 [pid 5582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5019] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5587 attached [pid 5587] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5582] <... clone3 resumed> => {parent_tid=[5587]}, 88) = 5587 [pid 5587] <... rseq resumed>) = 0 [pid 5582] rt_sigprocmask(SIG_SETMASK, [], [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5587] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5587] <... set_robust_list resumed>) = 0 [pid 5582] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5582] <... futex resumed>) = 0 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5582] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] <... ioctl resumed>) = 0 [pid 5587] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5019] close(3 [pid 5587] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5587] lseek(-1, 257, SEEK_SET [pid 5582] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5582] <... futex resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5588 ./strace-static-x86_64: Process 5588 attached [pid 5587] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5582] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] set_robust_list(0x5555556096a0, 24 [pid 5587] <... futex resumed>) = 0 [pid 5582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... set_robust_list resumed>) = 0 [pid 5587] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5588] <... prctl resumed>) = 0 [pid 5587] getdents64(-1, [pid 5582] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] setpgid(0, 0 [pid 5587] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5588] <... setpgid resumed>) = 0 [pid 5587] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5587] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5588] <... openat resumed>) = 3 [pid 5587] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5582] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] write(3, "1000", 4 [pid 5587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5582] <... futex resumed>) = 0 [pid 5588] <... write resumed>) = 4 [pid 5587] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5582] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] close(3 [pid 5587] <... openat resumed>) = 5 [pid 5588] <... close resumed>) = 0 [pid 5587] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = 1 [pid 5582] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5587] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5588] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0}./strace-static-x86_64: Process 5589 attached [pid 5589] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5588] <... clone3 resumed> => {parent_tid=[5589]}, 88) = 5589 [pid 5589] <... rseq resumed>) = 0 [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] set_robust_list(0x7fb652e5d9a0, 24 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5588] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... set_robust_list resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], [pid 5588] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] memfd_create("syzkaller", 0) = 3 [pid 5589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5574] exit_group(0 [pid 5583] <... futex resumed>) = ? [pid 5574] <... exit_group resumed>) = ? [pid 5583] +++ exited with 0 +++ [pid 5571] exit_group(0 [pid 5581] <... futex resumed>) = ? [pid 5571] <... exit_group resumed>) = ? [pid 5575] <... sendfile resumed>) = ? [pid 5581] +++ exited with 0 +++ [pid 5575] +++ exited with 0 +++ [pid 5574] +++ exited with 0 +++ [pid 5573] <... sendfile resumed>) = ? [pid 5573] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5574, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5571, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5025] <... restart_syscall resumed>) = 0 [pid 5021] <... restart_syscall resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5589] <... write resumed>) = 2097152 [pid 5025] <... openat resumed>) = 3 [pid 5021] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5589] munmap(0x7fb64aa3d000, 2097152 [pid 5025] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5025] close(3 [pid 5021] close(3 [pid 5589] <... munmap resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5589] ioctl(4, LOOP_CLR_FD) = 0 [pid 5589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5589] close(4) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... close resumed>) = 0 [pid 5589] close(3./strace-static-x86_64: Process 5590 attached [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5590] set_robust_list(0x5555556096a0, 24 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5590 [pid 5590] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5591 attached [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5591 [pid 5591] set_robust_list(0x5555556096a0, 24 [pid 5590] <... prctl resumed>) = 0 [pid 5591] <... set_robust_list resumed>) = 0 [pid 5590] setpgid(0, 0 [pid 5589] <... close resumed>) = 0 [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] <... setpgid resumed>) = 0 [pid 5589] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... prctl resumed>) = 0 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5591] setpgid(0, 0 [pid 5590] <... openat resumed>) = 3 [pid 5589] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... setpgid resumed>) = 0 [pid 5590] write(3, "1000", 4 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5590] <... write resumed>) = 4 [pid 5589] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5588] <... futex resumed>) = 0 [pid 5591] <... openat resumed>) = 3 [pid 5590] close(3 [pid 5588] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] write(3, "1000", 4 [pid 5590] <... close resumed>) = 0 [pid 5591] <... write resumed>) = 4 [pid 5590] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] close(3 [pid 5590] <... futex resumed>) = 0 [pid 5591] <... close resumed>) = 0 [pid 5590] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5591] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5591] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5590] <... mmap resumed>) = 0x7fb652e3d000 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] <... mprotect resumed>) = 0 [pid 5591] <... mmap resumed>) = 0x7fb652e3d000 [pid 5590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] <... open resumed>) = 3 [pid 5591] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5589] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... mprotect resumed>) = 0 [pid 5590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5592 attached [pid 5591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5589] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5590] <... clone3 resumed> => {parent_tid=[5592]}, 88) = 5592 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5592] <... rseq resumed>) = 0 [pid 5591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5590] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5588] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5592] set_robust_list(0x7fb652e5d9a0, 24 [pid 5590] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5593 attached [pid 5592] <... set_robust_list resumed>) = 0 [pid 5591] <... clone3 resumed> => {parent_tid=[5593]}, 88) = 5593 [pid 5590] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5590] <... futex resumed>) = 0 [pid 5593] <... rseq resumed>) = 0 [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5593] set_robust_list(0x7fb652e5d9a0, 24 [pid 5592] memfd_create("syzkaller", 0 [pid 5591] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5592] <... memfd_create resumed>) = 3 [pid 5591] <... futex resumed>) = 0 [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5591] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5593] memfd_create("syzkaller", 0) = 3 [pid 5589] <... open resumed>) = 4 [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5589] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5589] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5589] ftruncate(4, 33587195 [pid 5588] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5592] <... write resumed>) = 2097152 [pid 5592] munmap(0x7fb64aa3d000, 2097152 [pid 5589] <... ftruncate resumed>) = 0 [pid 5592] <... munmap resumed>) = 0 [pid 5589] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5592] <... openat resumed>) = 4 [pid 5589] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] ioctl(4, LOOP_SET_FD, 3 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5592] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5589] sendfile(3, 4, NULL, 281474978811909 [pid 5588] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5592] ioctl(4, LOOP_CLR_FD) = 0 [pid 5592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5592] close(4) = 0 [pid 5592] close(3 [pid 5593] <... write resumed>) = 2097152 [pid 5593] munmap(0x7fb64aa3d000, 2097152 [pid 5592] <... close resumed>) = 0 [pid 5592] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5592] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5590] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5590] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] <... munmap resumed>) = 0 [pid 5593] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5593] ioctl(4, LOOP_CLR_FD) = 0 [pid 5593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5593] close(4) = 0 [pid 5592] <... open resumed>) = 3 [pid 5592] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5593] close(3 [pid 5592] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5592] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5590] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5588] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5588] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5576] exit_group(0 [pid 5588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5585] <... futex resumed>) = ? [pid 5576] <... exit_group resumed>) = ? [pid 5585] +++ exited with 0 +++ [pid 5588] <... clone3 resumed> => {parent_tid=[5594]}, 88) = 5594 [pid 5588] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... open resumed>) = 4 [pid 5588] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5594 attached [pid 5592] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... close resumed>) = 0 [pid 5592] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5593] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5593] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] ftruncate(4, 33587195 [pid 5591] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5578] <... sendfile resumed>) = ? [pid 5594] <... rseq resumed>) = 0 [pid 5593] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5591] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5578] +++ exited with 0 +++ [pid 5576] +++ exited with 0 +++ [pid 5594] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5594] <... set_robust_list resumed>) = 0 [pid 5022] restart_syscall(<... resuming interrupted clone ...> [pid 5594] rt_sigprocmask(SIG_SETMASK, [], [pid 5022] <... restart_syscall resumed>) = 0 [pid 5594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5594] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5594] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... openat resumed>) = 3 [pid 5594] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5594] lseek(-1, 257, SEEK_SET [pid 5588] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... ioctl resumed>) = 0 [pid 5594] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5588] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5594] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... close resumed>) = 0 [pid 5588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5595 [pid 5588] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5595 attached [pid 5595] set_robust_list(0x5555556096a0, 24 [pid 5577] exit_group(0 [pid 5594] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5586] <... futex resumed>) = ? [pid 5577] <... exit_group resumed>) = ? [pid 5580] <... sendfile resumed>) = ? [pid 5594] getdents64(-1, [pid 5588] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 5586] +++ exited with 0 +++ [pid 5595] <... set_robust_list resumed>) = 0 [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5580] +++ exited with 0 +++ [pid 5577] +++ exited with 0 +++ [pid 5594] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5595] <... prctl resumed>) = 0 [pid 5595] setpgid(0, 0 [pid 5594] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... setpgid resumed>) = 0 [pid 5594] <... futex resumed>) = 1 [pid 5593] <... open resumed>) = 3 [pid 5592] <... ftruncate resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5577, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5594] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5595] <... openat resumed>) = 3 [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5595] write(3, "1000", 4 [pid 5594] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5593] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... write resumed>) = 4 [pid 5594] <... openat resumed>) = 5 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5595] close(3 [pid 5594] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5592] sendfile(3, 4, NULL, 281474978811909 [pid 5591] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5595] <... close resumed>) = 0 [pid 5594] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5595] <... futex resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5595] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5020] close(3 [pid 5595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5020] <... close resumed>) = 0 [pid 5595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5595] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5593] <... open resumed>) = 4 [pid 5595] <... clone3 resumed> => {parent_tid=[5596]}, 88) = 5596 [pid 5593] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5597 [pid 5595] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5597 attached [pid 5595] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5597] set_robust_list(0x5555556096a0, 24 [pid 5595] <... futex resumed>) = 0 [pid 5593] ftruncate(4, 33587195 [pid 5591] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5596 attached [pid 5597] <... set_robust_list resumed>) = 0 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5597] <... prctl resumed>) = 0 [pid 5596] <... rseq resumed>) = 0 [pid 5597] setpgid(0, 0 [pid 5596] set_robust_list(0x7fb652e5d9a0, 24 [pid 5597] <... setpgid resumed>) = 0 [pid 5596] <... set_robust_list resumed>) = 0 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5596] rt_sigprocmask(SIG_SETMASK, [], [pid 5597] <... openat resumed>) = 3 [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5597] write(3, "1000", 4 [pid 5596] memfd_create("syzkaller", 0 [pid 5597] <... write resumed>) = 4 [pid 5596] <... memfd_create resumed>) = 3 [pid 5597] close(3 [pid 5596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5597] <... close resumed>) = 0 [pid 5596] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... ftruncate resumed>) = 0 [pid 5590] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5597] <... futex resumed>) = 0 [pid 5593] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5593] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5590] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] sendfile(3, 4, NULL, 281474978811909 [pid 5591] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5590] <... mprotect resumed>) = 0 [pid 5597] <... mmap resumed>) = 0x7fb652e3d000 [pid 5590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5582] exit_group(0 [pid 5597] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5587] <... futex resumed>) = ? [pid 5582] <... exit_group resumed>) = ? [pid 5597] <... mprotect resumed>) = 0 [pid 5590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5587] +++ exited with 0 +++ [pid 5597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5590] <... clone3 resumed> => {parent_tid=[5598]}, 88) = 5598 [pid 5597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5597] <... clone3 resumed> => {parent_tid=[5599]}, 88) = 5599 [pid 5590] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] rt_sigprocmask(SIG_SETMASK, [], [pid 5590] <... futex resumed>) = 0 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5590] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5598 attached [pid 5597] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5599 attached [pid 5598] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5597] <... futex resumed>) = 0 [pid 5598] <... rseq resumed>) = 0 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5599] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5598] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5599] <... rseq resumed>) = 0 [pid 5598] <... set_robust_list resumed>) = 0 [pid 5599] set_robust_list(0x7fb652e5d9a0, 24 [pid 5584] <... sendfile resumed>) = ? [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] +++ exited with 0 +++ [pid 5582] +++ exited with 0 +++ [pid 5599] rt_sigprocmask(SIG_SETMASK, [], [pid 5598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5598] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5582, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5599] memfd_create("syzkaller", 0 [pid 5598] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5596] <... write resumed>) = 2097152 [pid 5027] restart_syscall(<... resuming interrupted clone ...> [pid 5599] <... memfd_create resumed>) = 3 [pid 5598] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] munmap(0x7fb64aa3d000, 2097152 [pid 5027] <... restart_syscall resumed>) = 0 [pid 5599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5598] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5599] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5598] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... munmap resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5598] lseek(-1, 257, SEEK_SET [pid 5590] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... openat resumed>) = 3 [pid 5598] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5598] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... ioctl resumed>) = 0 [pid 5598] <... futex resumed>) = 1 [pid 5596] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5590] <... futex resumed>) = 0 [pid 5027] close(3 [pid 5598] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... close resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5598] getdents64(-1, [pid 5590] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5600 [pid 5598] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... openat resumed>) = 4 [pid 5591] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = 1 [pid 5596] ioctl(4, LOOP_SET_FD, 3 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5598] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5590] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5600 attached [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] ioctl(4, LOOP_CLR_FD [pid 5591] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5590] <... futex resumed>) = 0 [pid 5600] set_robust_list(0x5555556096a0, 24 [pid 5598] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5596] <... ioctl resumed>) = 0 [pid 5591] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5590] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5600] <... set_robust_list resumed>) = 0 [pid 5598] <... openat resumed>) = 5 [pid 5591] <... mprotect resumed>) = 0 [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5598] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5600] <... prctl resumed>) = 0 [pid 5598] <... futex resumed>) = 1 [pid 5591] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5600] setpgid(0, 0 [pid 5598] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5600] <... setpgid resumed>) = 0 [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5596] ioctl(4, LOOP_SET_FD, 3 [pid 5591] <... clone3 resumed> => {parent_tid=[5601]}, 88) = 5601 [pid 5600] <... openat resumed>) = 3 [pid 5596] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5600] write(3, "1000", 4 [pid 5596] close(4 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] <... write resumed>) = 4 [pid 5599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5596] <... close resumed>) = 0 [pid 5591] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] close(3 [pid 5596] close(3 [pid 5591] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5601 attached [pid 5600] <... close resumed>) = 0 [pid 5591] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5600] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... rseq resumed>) = 0 [pid 5600] <... futex resumed>) = 0 [pid 5601] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5600] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5601] rt_sigprocmask(SIG_SETMASK, [], [pid 5600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5600] <... mmap resumed>) = 0x7fb652e3d000 [pid 5601] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5601] <... futex resumed>) = 1 [pid 5600] <... mprotect resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5601] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5591] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5601] lseek(-1, 257, SEEK_SET [pid 5600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5591] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5601] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... clone3 resumed> => {parent_tid=[5602]}, 88) = 5602 [pid 5601] <... futex resumed>) = 1 [pid 5600] rt_sigprocmask(SIG_SETMASK, [], [pid 5591] <... futex resumed>) = 0 [pid 5601] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5591] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5602 attached [pid 5601] getdents64(-1, [pid 5600] <... futex resumed>) = 0 [pid 5591] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5601] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5600] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5602] <... rseq resumed>) = 0 [pid 5601] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] set_robust_list(0x7fb652e5d9a0, 24 [pid 5601] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5596] <... close resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5601] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5596] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] memfd_create("syzkaller", 0 [pid 5601] <... openat resumed>) = 5 [pid 5596] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5602] <... memfd_create resumed>) = 3 [pid 5601] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5601] <... futex resumed>) = 1 [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5602] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5601] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] <... write resumed>) = 2097152 [pid 5596] <... open resumed>) = 3 [pid 5602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5599] munmap(0x7fb64aa3d000, 2097152 [pid 5596] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5599] <... munmap resumed>) = 0 [pid 5596] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5599] <... openat resumed>) = 4 [pid 5596] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5599] ioctl(4, LOOP_CLR_FD) = 0 [pid 5596] <... open resumed>) = 4 [pid 5596] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5596] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] ioctl(4, LOOP_SET_FD, 3 [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5599] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5596] ftruncate(4, 33587195 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] close(4) = 0 [pid 5602] <... write resumed>) = 2097152 [pid 5599] close(3 [pid 5602] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5596] <... ftruncate resumed>) = 0 [pid 5596] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5596] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5596] sendfile(3, 4, NULL, 281474978811909 [pid 5595] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5602] ioctl(4, LOOP_CLR_FD [pid 5599] <... close resumed>) = 0 [pid 5602] <... ioctl resumed>) = 0 [pid 5599] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5599] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] ioctl(4, LOOP_SET_FD, 3 [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] <... futex resumed>) = 0 [pid 5602] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5599] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] close(4 [pid 5599] <... open resumed>) = 3 [pid 5602] <... close resumed>) = 0 [pid 5602] close(3 [pid 5599] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5599] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] <... futex resumed>) = 0 [pid 5599] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5602] <... close resumed>) = 0 [pid 5602] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5602] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... futex resumed>) = 0 [pid 5602] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5600] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5595] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5599] <... open resumed>) = 4 [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5599] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5599] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5595] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5599] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... mprotect resumed>) = 0 [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] <... futex resumed>) = 0 [pid 5595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5599] ftruncate(4, 33587195 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5603]}, 88) = 5603 [pid 5595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5595] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5603 attached ) = 0 [pid 5595] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5603] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5602] <... open resumed>) = 3 [pid 5603] <... set_robust_list resumed>) = 0 [pid 5602] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], [pid 5602] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5602] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5600] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5600] <... futex resumed>) = 0 [pid 5603] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5600] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5599] <... ftruncate resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5599] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5603] lseek(-1, 257, SEEK_SET [pid 5599] sendfile(3, 4, NULL, 281474978811909 [pid 5597] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5597] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... futex resumed>) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5595] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] <... open resumed>) = 4 [pid 5595] <... futex resumed>) = 0 [pid 5603] getdents64(-1, [pid 5602] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5602] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5602] ftruncate(4, 33587195 [pid 5600] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... futex resumed>) = 0 [pid 5603] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5595] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... openat resumed>) = 5 [pid 5603] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5595] <... futex resumed>) = 0 [pid 5603] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5602] <... ftruncate resumed>) = 0 [pid 5602] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5602] sendfile(3, 4, NULL, 281474978811909 [pid 5600] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5597] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5597] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5604 attached [pid 5604] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5597] <... clone3 resumed> => {parent_tid=[5604]}, 88) = 5604 [pid 5604] <... rseq resumed>) = 0 [pid 5597] rt_sigprocmask(SIG_SETMASK, [], [pid 5604] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... set_robust_list resumed>) = 0 [pid 5597] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5604] rt_sigprocmask(SIG_SETMASK, [], [pid 5597] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5604] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5604] lseek(-1, 257, SEEK_SET [pid 5597] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5597] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5597] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] getdents64(-1, [pid 5597] <... futex resumed>) = 0 [pid 5604] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5597] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5604] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5597] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5600] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5588] exit_group(0 [pid 5604] <... openat resumed>) = 5 [pid 5600] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5594] <... futex resumed>) = ? [pid 5588] <... exit_group resumed>) = ? [pid 5604] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... mprotect resumed>) = 0 [pid 5594] +++ exited with 0 +++ [pid 5600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5597] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 1 [pid 5600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5604] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5605 attached => {parent_tid=[5605]}, 88) = 5605 [pid 5605] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5605] <... rseq resumed>) = 0 [pid 5600] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5600] <... futex resumed>) = 0 [pid 5605] <... set_robust_list resumed>) = 0 [pid 5600] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] rt_sigprocmask(SIG_SETMASK, [], [pid 5589] <... sendfile resumed>) = ? [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5605] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5588, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5605] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5605] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5019] <... restart_syscall resumed>) = 0 [pid 5605] lseek(-1, 257, SEEK_SET [pid 5600] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5600] <... futex resumed>) = 0 [pid 5605] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5605] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5019] <... openat resumed>) = 3 [pid 5605] getdents64(-1, [pid 5600] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5605] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5605] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... ioctl resumed>) = 0 [pid 5605] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5019] close(3 [pid 5605] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5019] <... close resumed>) = 0 [pid 5600] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] exit_group(0 [pid 5598] <... futex resumed>) = ? [pid 5590] <... exit_group resumed>) = ? [pid 5598] +++ exited with 0 +++ [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... sendfile resumed>) = ? [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5592] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5605] <... openat resumed>) = 5 [pid 5605] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5590, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5606 [pid 5605] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5025] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5606 attached [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5606] set_robust_list(0x5555556096a0, 24 [pid 5025] <... ioctl resumed>) = 0 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5025] close(3 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] <... close resumed>) = 0 [pid 5606] <... prctl resumed>) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5606] write(3, "1000", 4) = 4 [pid 5606] close(3) = 0 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5606] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5607 [pid 5606] <... mprotect resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5607 attached [], 8) = 0 [pid 5607] set_robust_list(0x5555556096a0, 24 [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5607] <... set_robust_list resumed>) = 0 [pid 5591] exit_group(0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5606] <... clone3 resumed> => {parent_tid=[5608]}, 88) = 5608 [pid 5601] <... futex resumed>) = ? [pid 5591] <... exit_group resumed>) = ? [pid 5607] <... prctl resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5601] +++ exited with 0 +++ [pid 5607] setpgid(0, 0 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] <... setpgid resumed>) = 0 [pid 5606] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5606] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5608 attached [pid 5607] <... openat resumed>) = 3 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5593] <... sendfile resumed>) = ? [pid 5608] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5607] write(3, "1000", 4 [pid 5593] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5608] <... rseq resumed>) = 0 [pid 5607] <... write resumed>) = 4 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5608] set_robust_list(0x7fb652e5d9a0, 24 [pid 5607] close(3 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5607] <... close resumed>) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5607] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5608] memfd_create("syzkaller", 0 [pid 5607] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5608] <... memfd_create resumed>) = 3 [pid 5607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5608] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5021] close(3 [pid 5607] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5021] <... close resumed>) = 0 [pid 5607] <... mprotect resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5607] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5609 attached [], 8) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5609 [pid 5609] set_robust_list(0x5555556096a0, 24 [pid 5607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5609] <... set_robust_list resumed>) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] <... clone3 resumed> => {parent_tid=[5610]}, 88) = 5610 [pid 5609] <... prctl resumed>) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5610 attached [pid 5609] setpgid(0, 0 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5610] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5609] <... setpgid resumed>) = 0 [pid 5607] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... rseq resumed>) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] <... futex resumed>) = 0 [pid 5610] set_robust_list(0x7fb652e5d9a0, 24 [pid 5609] <... openat resumed>) = 3 [pid 5607] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5610] <... set_robust_list resumed>) = 0 [pid 5609] write(3, "1000", 4 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], [pid 5609] <... write resumed>) = 4 [pid 5610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5609] close(3 [pid 5608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5610] memfd_create("syzkaller", 0 [pid 5609] <... close resumed>) = 0 [pid 5610] <... memfd_create resumed>) = 3 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5609] <... futex resumed>) = 0 [pid 5610] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5609] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5609] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5611]}, 88) = 5611 [pid 5609] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5611 attached [pid 5610] <... write resumed>) = 2097152 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5611] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5610] munmap(0x7fb64aa3d000, 2097152 [pid 5609] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... write resumed>) = 2097152 [pid 5611] <... rseq resumed>) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5611] set_robust_list(0x7fb652e5d9a0, 24 [pid 5610] <... munmap resumed>) = 0 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5608] munmap(0x7fb64aa3d000, 2097152 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5610] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5611] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] <... munmap resumed>) = 0 [pid 5610] <... openat resumed>) = 4 [pid 5611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5608] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5611] memfd_create("syzkaller", 0 [pid 5610] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5608] <... openat resumed>) = 4 [pid 5611] <... memfd_create resumed>) = 3 [pid 5610] ioctl(4, LOOP_CLR_FD [pid 5608] ioctl(4, LOOP_SET_FD, 3 [pid 5611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5610] <... ioctl resumed>) = 0 [pid 5608] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5611] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5608] ioctl(4, LOOP_CLR_FD [pid 5610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5608] <... ioctl resumed>) = 0 [pid 5610] close(4) = 0 [pid 5610] close(3 [pid 5608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5608] close(4) = 0 [pid 5608] close(3 [pid 5611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5610] <... close resumed>) = 0 [pid 5610] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5610] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... close resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5610] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5608] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... open resumed>) = 3 [pid 5608] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5610] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5610] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5607] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] <... write resumed>) = 2097152 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5611] munmap(0x7fb64aa3d000, 2097152 [pid 5610] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5607] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] <... munmap resumed>) = 0 [pid 5610] <... open resumed>) = 4 [pid 5611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5610] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... openat resumed>) = 4 [pid 5610] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5611] ioctl(4, LOOP_SET_FD, 3 [pid 5610] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5611] ioctl(4, LOOP_CLR_FD [pid 5610] ftruncate(4, 33587195 [pid 5607] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] <... ioctl resumed>) = 0 [pid 5611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5608] <... open resumed>) = 3 [pid 5611] close(4 [pid 5610] <... ftruncate resumed>) = 0 [pid 5608] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... close resumed>) = 0 [pid 5611] close(3 [pid 5610] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5608] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = 0 [pid 5610] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5607] <... futex resumed>) = 0 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] <... close resumed>) = 0 [pid 5610] sendfile(3, 4, NULL, 281474978811909 [pid 5607] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5611] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5611] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... open resumed>) = 4 [pid 5608] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5611] <... open resumed>) = 3 [pid 5608] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... futex resumed>) = 0 [pid 5611] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5608] ftruncate(4, 33587195 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5611] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5611] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5595] exit_group(0 [pid 5603] <... futex resumed>) = ? [pid 5596] <... sendfile resumed>) = ? [pid 5595] <... exit_group resumed>) = ? [pid 5603] +++ exited with 0 +++ [pid 5596] +++ exited with 0 +++ [pid 5595] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5595, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5022] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5611] <... open resumed>) = 4 [pid 5608] <... ftruncate resumed>) = 0 [pid 5611] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5611] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5608] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5611] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... openat resumed>) = 3 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... futex resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5611] ftruncate(4, 33587195 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] sendfile(3, 4, NULL, 281474978811909 [pid 5606] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... ioctl resumed>) = 0 [pid 5607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5607] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] close(3 [pid 5607] <... futex resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5612 ./strace-static-x86_64: Process 5612 attached [pid 5612] set_robust_list(0x5555556096a0, 24) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5612] <... prctl resumed>) = 0 [pid 5607] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5612] setpgid(0, 0 [pid 5607] <... mprotect resumed>) = 0 [pid 5612] <... setpgid resumed>) = 0 [pid 5611] <... ftruncate resumed>) = 0 [pid 5607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5611] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5612] <... openat resumed>) = 3 [pid 5611] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5612] write(3, "1000", 4 [pid 5611] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5613 attached [pid 5612] <... write resumed>) = 4 [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5607] <... clone3 resumed> => {parent_tid=[5613]}, 88) = 5613 [pid 5613] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5612] close(3 [pid 5611] sendfile(3, 4, NULL, 281474978811909 [pid 5609] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] <... rseq resumed>) = 0 [pid 5612] <... close resumed>) = 0 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [], [pid 5612] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5607] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5612] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5613] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5613] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5613] <... futex resumed>) = 1 [pid 5612] <... mmap resumed>) = 0x7fb652e3d000 [pid 5607] <... futex resumed>) = 0 [pid 5613] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5607] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... mprotect resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5613] lseek(-1, 257, SEEK_SET [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5607] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5613] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5614 attached [pid 5613] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5606] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5614] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5613] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] <... clone3 resumed> => {parent_tid=[5614]}, 88) = 5614 [pid 5607] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5614] <... rseq resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 5607] <... futex resumed>) = 0 [pid 5606] <... mprotect resumed>) = 0 [pid 5614] set_robust_list(0x7fb652e5d9a0, 24 [pid 5613] getdents64(-1, [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5607] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5612] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5614] rt_sigprocmask(SIG_SETMASK, [], [pid 5613] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 0 [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5615 attached [pid 5614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5607] <... futex resumed>) = 0 [pid 5615] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5614] memfd_create("syzkaller", 0 [pid 5613] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... clone3 resumed> => {parent_tid=[5615]}, 88) = 5615 [pid 5615] <... rseq resumed>) = 0 [pid 5614] <... memfd_create resumed>) = 3 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5613] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5607] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5614] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5613] <... openat resumed>) = 5 [pid 5606] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5613] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5615] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5613] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5606] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5615] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5613] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = 0 [pid 5615] <... futex resumed>) = 1 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5606] <... futex resumed>) = 0 [pid 5615] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5606] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5606] <... futex resumed>) = 0 [pid 5615] lseek(-1, 257, SEEK_SET [pid 5609] <... mprotect resumed>) = 0 [pid 5606] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5615] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5615] <... futex resumed>) = 1 [pid 5609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5606] <... futex resumed>) = 0 [pid 5615] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... clone3 resumed> => {parent_tid=[5616]}, 88) = 5616 [pid 5606] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5616 attached [pid 5615] getdents64(-1, [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... write resumed>) = 2097152 [pid 5615] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5616] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5615] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... rseq resumed>) = 0 [pid 5615] <... futex resumed>) = 1 [pid 5614] munmap(0x7fb64aa3d000, 2097152 [pid 5609] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5616] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5615] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... munmap resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5616] rt_sigprocmask(SIG_SETMASK, [], [pid 5615] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5614] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5606] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... openat resumed>) = 5 [pid 5614] <... openat resumed>) = 4 [pid 5616] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5615] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] ioctl(4, LOOP_SET_FD, 3 [pid 5616] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5615] <... futex resumed>) = 1 [pid 5614] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5606] <... futex resumed>) = 0 [pid 5616] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] ioctl(4, LOOP_CLR_FD [pid 5616] <... futex resumed>) = 1 [pid 5614] <... ioctl resumed>) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5616] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5597] exit_group(0 [pid 5616] lseek(-1, 257, SEEK_SET [pid 5609] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] ioctl(4, LOOP_SET_FD, 3 [pid 5597] <... exit_group resumed>) = ? [pid 5604] <... futex resumed>) = ? [pid 5616] <... futex resumed>) = 1 [pid 5614] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5609] <... futex resumed>) = 0 [pid 5616] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] close(4 [pid 5609] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] +++ exited with 0 +++ [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... close resumed>) = 0 [pid 5616] getdents64(-1, [pid 5614] close(3 [pid 5609] <... futex resumed>) = 0 [pid 5616] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5616] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] <... futex resumed>) = 0 [pid 5609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5616] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5616] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5609] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] <... sendfile resumed>) = ? [pid 5616] <... openat resumed>) = 5 [pid 5599] +++ exited with 0 +++ [pid 5597] +++ exited with 0 +++ [pid 5616] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5616] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5616] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] <... close resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5614] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... openat resumed>) = 3 [pid 5614] <... futex resumed>) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5614] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5614] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5617 [pid 5614] <... open resumed>) = 3 [pid 5614] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5612] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5617 attached [pid 5614] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] set_robust_list(0x5555556096a0, 24 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5617] <... set_robust_list resumed>) = 0 [pid 5614] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5617] setpgid(0, 0) = 0 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5617] write(3, "1000", 4) = 4 [pid 5617] close(3) = 0 [pid 5617] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5617] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5618]}, 88) = 5618 ./strace-static-x86_64: Process 5618 attached [pid 5617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5617] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5614] <... open resumed>) = 4 [pid 5618] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5614] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... rseq resumed>) = 0 [pid 5614] <... futex resumed>) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5618] set_robust_list(0x7fb652e5d9a0, 24 [pid 5614] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], [pid 5614] ftruncate(4, 33587195 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] memfd_create("syzkaller", 0) = 3 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5600] exit_group(0) = ? [pid 5605] <... futex resumed>) = ? [pid 5605] +++ exited with 0 +++ [pid 5602] <... sendfile resumed>) = ? [pid 5602] +++ exited with 0 +++ [pid 5600] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5600, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3 [pid 5618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5614] <... ftruncate resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5614] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5619 attached [pid 5614] <... futex resumed>) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5619] set_robust_list(0x5555556096a0, 24 [pid 5614] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5619 [pid 5619] <... set_robust_list resumed>) = 0 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] sendfile(3, 4, NULL, 281474978811909 [pid 5612] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] <... prctl resumed>) = 0 [pid 5619] setpgid(0, 0) = 0 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] <... write resumed>) = 2097152 [pid 5619] write(3, "1000", 4 [pid 5618] munmap(0x7fb64aa3d000, 2097152 [pid 5619] <... write resumed>) = 4 [pid 5619] close(3 [pid 5618] <... munmap resumed>) = 0 [pid 5619] <... close resumed>) = 0 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5619] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5618] <... openat resumed>) = 4 [pid 5619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5618] ioctl(4, LOOP_SET_FD, 3 [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5618] ioctl(4, LOOP_CLR_FD [pid 5619] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5618] <... ioctl resumed>) = 0 [pid 5619] <... mprotect resumed>) = 0 [pid 5619] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0}./strace-static-x86_64: Process 5620 attached => {parent_tid=[5620]}, 88) = 5620 [pid 5618] ioctl(4, LOOP_SET_FD, 3 [pid 5619] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] close(4 [pid 5620] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5619] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... close resumed>) = 0 [pid 5620] <... rseq resumed>) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5618] close(3 [pid 5620] set_robust_list(0x7fb652e5d9a0, 24 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5620] <... set_robust_list resumed>) = 0 [pid 5620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5620] memfd_create("syzkaller", 0) = 3 [pid 5620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5618] <... close resumed>) = 0 [pid 5612] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5617] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5617] <... futex resumed>) = 0 [pid 5612] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5617] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] <... mprotect resumed>) = 0 [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5621 attached [pid 5620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5612] <... clone3 resumed> => {parent_tid=[5621]}, 88) = 5621 [pid 5621] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], [pid 5621] <... rseq resumed>) = 0 [pid 5618] <... open resumed>) = 3 [pid 5612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5621] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5618] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... set_robust_list resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5612] <... futex resumed>) = 0 [pid 5621] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5621] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5618] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5617] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5621] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5621] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5621] lseek(-1, 257, SEEK_SET [pid 5612] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5621] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5612] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5612] <... futex resumed>) = 0 [pid 5621] getdents64(-1, [pid 5612] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5620] <... write resumed>) = 2097152 [pid 5621] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5620] munmap(0x7fb64aa3d000, 2097152 [pid 5621] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... munmap resumed>) = 0 [pid 5621] <... futex resumed>) = 1 [pid 5620] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5618] <... open resumed>) = 4 [pid 5612] <... futex resumed>) = 0 [pid 5621] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] <... openat resumed>) = 4 [pid 5618] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] ioctl(4, LOOP_SET_FD, 3 [pid 5618] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5612] <... futex resumed>) = 0 [pid 5621] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5620] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5618] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... openat resumed>) = 5 [pid 5620] ioctl(4, LOOP_CLR_FD [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5621] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... ioctl resumed>) = 0 [pid 5618] ftruncate(4, 33587195 [pid 5617] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... futex resumed>) = 1 [pid 5612] <... futex resumed>) = 0 [pid 5621] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5620] close(4) = 0 [pid 5618] <... ftruncate resumed>) = 0 [pid 5618] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] close(3 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5618] sendfile(3, 4, NULL, 281474978811909 [pid 5617] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5620] <... close resumed>) = 0 [pid 5620] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5620] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5619] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5620] <... open resumed>) = 3 [pid 5620] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5620] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5620] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5617] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5617] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5622]}, 88) = 5622 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5620] <... open resumed>) = 4 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5620] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5620] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5622 attached [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5622] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5620] ftruncate(4, 33587195 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... rseq resumed>) = 0 [pid 5622] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5622] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5622] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5622] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5622] lseek(-1, 257, SEEK_SET [pid 5617] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5622] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] getdents64(-1, [pid 5617] <... futex resumed>) = 0 [pid 5622] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5617] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... futex resumed>) = 0 [pid 5617] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5617] <... futex resumed>) = 0 [pid 5622] <... openat resumed>) = 5 [pid 5620] <... ftruncate resumed>) = 0 [pid 5617] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] exit_group(0 [pid 5622] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = ? [pid 5607] <... exit_group resumed>) = ? [pid 5622] <... futex resumed>) = 0 [pid 5620] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5613] +++ exited with 0 +++ [pid 5610] <... sendfile resumed>) = ? [pid 5622] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5620] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5620] sendfile(3, 4, NULL, 281474978811909 [pid 5619] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] exit_group(0 [pid 5616] <... futex resumed>) = ? [pid 5609] <... exit_group resumed>) = ? [pid 5616] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5607] +++ exited with 0 +++ [pid 5606] exit_group(0 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5615] <... futex resumed>) = ? [pid 5606] <... exit_group resumed>) = ? [pid 5615] +++ exited with 0 +++ [pid 5608] <... sendfile resumed>) = ? [pid 5608] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5611] <... sendfile resumed>) = ? [pid 5025] <... openat resumed>) = 3 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5611] +++ exited with 0 +++ [pid 5609] +++ exited with 0 +++ [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5025] <... ioctl resumed>) = 0 [pid 5019] <... restart_syscall resumed>) = 0 [pid 5025] close(3 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5025] <... close resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] <... openat resumed>) = 3 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5623 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5021] close(3 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5021] <... close resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] close(3) = 0 ./strace-static-x86_64: Process 5623 attached [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5624 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5624 attached [pid 5623] set_robust_list(0x5555556096a0, 24 [pid 5624] set_robust_list(0x5555556096a0, 24 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5625 ./strace-static-x86_64: Process 5625 attached [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5619] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] set_robust_list(0x5555556096a0, 24 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5623] <... prctl resumed>) = 0 [pid 5619] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... prctl resumed>) = 0 [pid 5623] setpgid(0, 0 [pid 5619] <... futex resumed>) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] setpgid(0, 0 [pid 5623] <... setpgid resumed>) = 0 [pid 5619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... prctl resumed>) = 0 [pid 5624] <... setpgid resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] setpgid(0, 0 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5623] <... openat resumed>) = 3 [pid 5619] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5625] <... setpgid resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5623] write(3, "1000", 4 [pid 5619] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] write(3, "1000", 4 [pid 5623] <... write resumed>) = 4 [pid 5625] <... openat resumed>) = 3 [pid 5624] <... write resumed>) = 4 [pid 5623] close(3 [pid 5619] <... mprotect resumed>) = 0 [pid 5625] write(3, "1000", 4 [pid 5624] close(3 [pid 5623] <... close resumed>) = 0 [pid 5619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5625] <... write resumed>) = 4 [pid 5624] <... close resumed>) = 0 [pid 5623] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] close(3 [pid 5624] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 [pid 5619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5625] <... close resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5623] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5625] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5624] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5619] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5626 attached [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5623] <... mmap resumed>) = 0x7fb652e3d000 [pid 5619] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5624] <... mmap resumed>) = 0x7fb652e3d000 [pid 5623] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] <... rseq resumed>) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5624] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5623] <... mprotect resumed>) = 0 [pid 5619] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5625] <... mmap resumed>) = 0x7fb652e3d000 [pid 5624] <... mprotect resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5619] <... futex resumed>) = 0 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5625] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5619] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] <... mprotect resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5626] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5623] <... clone3 resumed> => {parent_tid=[5627]}, 88) = 5627 [pid 5626] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5624] <... clone3 resumed> => {parent_tid=[5628]}, 88) = 5628 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5628 attached ./strace-static-x86_64: Process 5627 attached [pid 5626] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5628] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5627] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5626] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5628] <... rseq resumed>) = 0 [pid 5627] <... rseq resumed>) = 0 [pid 5626] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] set_robust_list(0x7fb652e5d9a0, 24 [pid 5627] set_robust_list(0x7fb652e5d9a0, 24 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5626] lseek(-1, 257, SEEK_SET [pid 5619] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] rt_sigprocmask(SIG_SETMASK, [], [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... clone3 resumed> => {parent_tid=[5629]}, 88) = 5629 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5624] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5628] <... futex resumed>) = 0 [pid 5627] memfd_create("syzkaller", 0 [pid 5626] getdents64(-1, [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5623] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5619] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5629 attached [pid 5628] memfd_create("syzkaller", 0 [pid 5627] <... memfd_create resumed>) = 3 [pid 5626] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5625] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5629] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5628] <... memfd_create resumed>) = 3 [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5629] <... rseq resumed>) = 0 [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5627] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5626] <... futex resumed>) = 1 [pid 5625] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5619] <... futex resumed>) = 0 [pid 5629] set_robust_list(0x7fb652e5d9a0, 24 [pid 5628] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5626] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5629] memfd_create("syzkaller", 0) = 3 [pid 5629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5619] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 5 [pid 5626] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5619] <... futex resumed>) = 0 [pid 5626] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5629] <... write resumed>) = 2097152 [pid 5629] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5629] ioctl(4, LOOP_CLR_FD) = 0 [pid 5629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5629] close(4) = 0 [pid 5628] <... write resumed>) = 2097152 [pid 5629] close(3 [pid 5628] munmap(0x7fb64aa3d000, 2097152 [pid 5627] <... write resumed>) = 2097152 [pid 5628] <... munmap resumed>) = 0 [pid 5628] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5627] munmap(0x7fb64aa3d000, 2097152 [pid 5628] <... openat resumed>) = 4 [pid 5629] <... close resumed>) = 0 [pid 5629] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5627] <... munmap resumed>) = 0 [pid 5625] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5627] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5625] <... futex resumed>) = 0 [pid 5628] ioctl(4, LOOP_CLR_FD [pid 5625] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... ioctl resumed>) = 0 [pid 5627] <... openat resumed>) = 4 [pid 5629] <... futex resumed>) = 1 [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5629] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5627] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5628] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5627] ioctl(4, LOOP_CLR_FD [pid 5628] close(4 [pid 5627] <... ioctl resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5628] close(3 [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5629] <... open resumed>) = 3 [pid 5629] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5629] <... futex resumed>) = 1 [pid 5627] close(4 [pid 5625] <... futex resumed>) = 0 [pid 5629] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... close resumed>) = 0 [pid 5627] close(3 [pid 5612] exit_group(0 [pid 5629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = ? [pid 5612] <... exit_group resumed>) = ? [pid 5614] <... sendfile resumed>) = ? [pid 5628] <... close resumed>) = 0 [pid 5629] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5625] <... futex resumed>) = 0 [pid 5621] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5612] +++ exited with 0 +++ [pid 5628] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5612, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5022] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5627] <... close resumed>) = 0 [pid 5627] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5627] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5628] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5627] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5624] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5624] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5629] <... open resumed>) = 4 [pid 5628] <... open resumed>) = 3 [pid 5624] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] close(3 [pid 5629] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... close resumed>) = 0 [pid 5629] <... futex resumed>) = 1 [pid 5628] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5629] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5625] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5630 [pid 5629] ftruncate(4, 33587195 [pid 5625] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5630 attached [pid 5630] set_robust_list(0x5555556096a0, 24 [pid 5628] <... open resumed>) = 4 [pid 5627] <... open resumed>) = 3 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5628] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5630] <... prctl resumed>) = 0 [pid 5628] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] setpgid(0, 0 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5630] <... setpgid resumed>) = 0 [pid 5629] <... ftruncate resumed>) = 0 [pid 5628] ftruncate(4, 33587195 [pid 5627] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5624] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5629] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... openat resumed>) = 3 [pid 5629] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5630] write(3, "1000", 4 [pid 5629] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] <... write resumed>) = 4 [pid 5630] close(3) = 0 [pid 5630] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... mmap resumed>) = 0x7fb652e3d000 [pid 5629] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5630] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5629] sendfile(3, 4, NULL, 281474978811909 [pid 5627] <... open resumed>) = 4 [pid 5625] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... mprotect resumed>) = 0 [pid 5628] <... ftruncate resumed>) = 0 [pid 5627] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5628] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5627] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] <... futex resumed>) = 0 [pid 5623] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5628] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5631 attached [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] ftruncate(4, 33587195 [pid 5624] <... futex resumed>) = 0 [pid 5623] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5630] <... clone3 resumed> => {parent_tid=[5631]}, 88) = 5631 [pid 5628] sendfile(3, 4, NULL, 281474978811909 [pid 5624] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... rseq resumed>) = 0 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], [pid 5631] set_robust_list(0x7fb652e5d9a0, 24 [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] <... set_robust_list resumed>) = 0 [pid 5630] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] rt_sigprocmask(SIG_SETMASK, [], [pid 5630] <... futex resumed>) = 0 [pid 5630] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] memfd_create("syzkaller", 0) = 3 [pid 5631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5627] <... ftruncate resumed>) = 0 [pid 5627] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5627] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 0 [pid 5627] sendfile(3, 4, NULL, 281474978811909 [pid 5623] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5625] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5631] <... write resumed>) = 2097152 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5631] munmap(0x7fb64aa3d000, 2097152 [pid 5625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5631] <... munmap resumed>) = 0 [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5632]}, 88) = 5632 ./strace-static-x86_64: Process 5632 attached [pid 5631] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5632] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5631] <... openat resumed>) = 4 [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5632] <... rseq resumed>) = 0 [pid 5631] ioctl(4, LOOP_SET_FD, 3 [pid 5625] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5631] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5631] ioctl(4, LOOP_CLR_FD [pid 5625] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [], [pid 5631] <... ioctl resumed>) = 0 [pid 5624] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5624] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5632] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5624] <... mprotect resumed>) = 0 [pid 5632] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5632] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] ioctl(4, LOOP_SET_FD, 3 [pid 5624] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5632] <... futex resumed>) = 1 [pid 5631] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5625] <... futex resumed>) = 0 [pid 5624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5632] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5633 attached [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] close(4 [pid 5625] <... futex resumed>) = 0 [pid 5624] <... clone3 resumed> => {parent_tid=[5633]}, 88) = 5633 [pid 5632] lseek(-1, 257, SEEK_SET [pid 5625] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5632] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] <... close resumed>) = 0 [pid 5625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5633] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5631] close(3 [pid 5625] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5632] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5624] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] getdents64(-1, [pid 5625] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 0 [pid 5632] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5624] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] exit_group(0 [pid 5633] <... rseq resumed>) = 0 [pid 5632] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5622] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? [pid 5633] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5632] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5623] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5622] +++ exited with 0 +++ [pid 5632] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5623] <... mprotect resumed>) = 0 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5618] <... sendfile resumed>) = ? [pid 5633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5632] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5625] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5618] +++ exited with 0 +++ [pid 5617] +++ exited with 0 +++ [pid 5633] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5632] <... openat resumed>) = 5 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5632] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5632] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5632] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD) = 0 [pid 5020] close(3) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5633] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5634 [pid 5633] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5623] <... clone3 resumed> => {parent_tid=[5635]}, 88) = 5635 [pid 5633] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5634 attached [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... futex resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] set_robust_list(0x5555556096a0, 24 [pid 5633] lseek(-1, 257, SEEK_SET [pid 5631] <... close resumed>) = 0 [pid 5624] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5633] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5635 attached [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5633] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5634] <... prctl resumed>) = 0 [pid 5633] <... futex resumed>) = 1 [pid 5631] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5635] <... rseq resumed>) = 0 [pid 5634] setpgid(0, 0 [pid 5633] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5630] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5634] <... setpgid resumed>) = 0 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] getdents64(-1, [pid 5630] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] rt_sigprocmask(SIG_SETMASK, [], [pid 5634] <... openat resumed>) = 3 [pid 5633] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] write(3, "1000", 4 [pid 5633] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5634] <... write resumed>) = 4 [pid 5633] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5635] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5634] close(3 [pid 5633] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... close resumed>) = 0 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5624] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] <... futex resumed>) = 0 [pid 5635] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... futex resumed>) = 0 [pid 5633] <... openat resumed>) = 5 [pid 5631] <... open resumed>) = 3 [pid 5623] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5633] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 [pid 5635] lseek(-1, 257, SEEK_SET [pid 5634] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5633] <... futex resumed>) = 1 [pid 5631] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5623] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5633] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5631] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5630] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] <... futex resumed>) = 0 [pid 5635] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... mmap resumed>) = 0x7fb652e3d000 [pid 5623] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5623] <... futex resumed>) = 0 [pid 5635] getdents64(-1, [pid 5634] <... mprotect resumed>) = 0 [pid 5623] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5635] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5635] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5623] <... futex resumed>) = 0 [pid 5635] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... clone3 resumed> => {parent_tid=[5636]}, 88) = 5636 [pid 5623] <... futex resumed>) = 0 [pid 5635] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5635] <... openat resumed>) = 5 [pid 5634] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5623] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5636 attached [pid 5635] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5636] set_robust_list(0x7fb652e5d9a0, 24 [pid 5631] <... open resumed>) = 4 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5631] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], [pid 5631] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] memfd_create("syzkaller", 0 [pid 5631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5636] <... memfd_create resumed>) = 3 [pid 5631] ftruncate(4, 33587195 [pid 5630] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5631] <... ftruncate resumed>) = 0 [pid 5631] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5631] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5631] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5631] sendfile(3, 4, NULL, 281474978811909 [pid 5630] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] exit_group(0 [pid 5626] <... futex resumed>) = ? [pid 5619] <... exit_group resumed>) = ? [pid 5626] +++ exited with 0 +++ [pid 5620] <... sendfile resumed>) = ? [pid 5620] +++ exited with 0 +++ [pid 5619] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5619, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5636] <... write resumed>) = 2097152 [pid 5636] munmap(0x7fb64aa3d000, 2097152 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5636] <... munmap resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5636] <... openat resumed>) = 4 [pid 5027] close(3 [pid 5636] ioctl(4, LOOP_SET_FD, 3 [pid 5027] <... close resumed>) = 0 [pid 5636] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] ioctl(4, LOOP_CLR_FD) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5637 [pid 5636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5636] close(4) = 0 ./strace-static-x86_64: Process 5637 attached [pid 5636] close(3 [pid 5637] set_robust_list(0x5555556096a0, 24 [pid 5636] <... close resumed>) = 0 [pid 5636] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5637] <... set_robust_list resumed>) = 0 [pid 5634] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] <... prctl resumed>) = 0 [pid 5630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5637] setpgid(0, 0 [pid 5630] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] <... setpgid resumed>) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5637] <... openat resumed>) = 3 [pid 5630] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5637] write(3, "1000", 4 [pid 5630] <... mprotect resumed>) = 0 [pid 5637] <... write resumed>) = 4 [pid 5636] <... futex resumed>) = 1 [pid 5630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5637] close(3 [pid 5636] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5637] <... close resumed>) = 0 [pid 5630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5637] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] <... clone3 resumed> => {parent_tid=[5638]}, 88) = 5638 [pid 5637] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5630] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5630] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5638 attached [pid 5637] <... mmap resumed>) = 0x7fb652e3d000 [pid 5638] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5637] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5638] <... rseq resumed>) = 0 [pid 5637] <... mprotect resumed>) = 0 [pid 5638] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5636] <... open resumed>) = 3 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5636] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5636] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5636] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5637] <... clone3 resumed> => {parent_tid=[5639]}, 88) = 5639 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5638] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5637] rt_sigprocmask(SIG_SETMASK, [], [pid 5636] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5634] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5639 attached [pid 5638] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5639] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5638] <... futex resumed>) = 1 [pid 5637] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = 0 [pid 5639] <... rseq resumed>) = 0 [pid 5638] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] <... futex resumed>) = 0 [pid 5630] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] set_robust_list(0x7fb652e5d9a0, 24 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5630] <... futex resumed>) = 0 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5638] lseek(-1, 257, SEEK_SET [pid 5630] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5638] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] memfd_create("syzkaller", 0 [pid 5638] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5639] <... memfd_create resumed>) = 3 [pid 5638] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5639] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5638] getdents64(-1, [pid 5630] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5638] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5638] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] <... open resumed>) = 4 [pid 5630] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = 0 [pid 5638] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5636] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5630] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... openat resumed>) = 5 [pid 5636] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5636] ftruncate(4, 33587195 [pid 5634] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... futex resumed>) = 0 [pid 5638] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5636] <... ftruncate resumed>) = 0 [pid 5636] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5636] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] <... futex resumed>) = 0 [pid 5636] sendfile(3, 4, NULL, 281474978811909 [pid 5634] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... write resumed>) = 2097152 [pid 5639] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5639] ioctl(4, LOOP_CLR_FD) = 0 [pid 5639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5639] close(4) = 0 [pid 5639] close(3) = 0 [pid 5639] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5637] <... futex resumed>) = 0 [pid 5637] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5639] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5637] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5634] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5640 attached => {parent_tid=[5640]}, 88) = 5640 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], [pid 5640] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5634] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], [pid 5634] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5640] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5640] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 1 [pid 5634] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] lseek(-1, 257, SEEK_SET [pid 5634] <... futex resumed>) = 0 [pid 5640] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... open resumed>) = 3 [pid 5634] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5640] getdents64(-1, [pid 5639] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5640] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5639] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5637] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = 0 [pid 5637] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5634] <... futex resumed>) = 0 [pid 5640] <... openat resumed>) = 5 [pid 5640] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... open resumed>) = 4 [pid 5639] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5639] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5639] ftruncate(4, 33587195 [pid 5637] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] exit_group(0) = ? [pid 5632] <... futex resumed>) = ? [pid 5632] +++ exited with 0 +++ [pid 5639] <... ftruncate resumed>) = 0 [pid 5639] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... sendfile resumed>) = ? [pid 5639] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5629] +++ exited with 0 +++ [pid 5625] +++ exited with 0 +++ [pid 5639] sendfile(3, 4, NULL, 281474978811909 [pid 5637] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5637] <... futex resumed>) = 0 [pid 5637] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5641 ./strace-static-x86_64: Process 5641 attached [pid 5641] set_robust_list(0x5555556096a0, 24) = 0 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] exit_group(0 [pid 5633] <... futex resumed>) = ? [pid 5624] <... exit_group resumed>) = ? [pid 5641] setpgid(0, 0 [pid 5633] +++ exited with 0 +++ [pid 5641] <... setpgid resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5641] write(3, "1000", 4) = 4 [pid 5641] close(3) = 0 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5641] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5641] <... mprotect resumed>) = 0 [pid 5637] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... sendfile resumed>) = ? [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5637] <... futex resumed>) = 0 [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5628] +++ exited with 0 +++ [pid 5624] +++ exited with 0 +++ ./strace-static-x86_64: Process 5642 attached [pid 5637] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5642] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5641] <... clone3 resumed> => {parent_tid=[5642]}, 88) = 5642 [pid 5637] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5642] <... rseq resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] <... mprotect resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5642] set_robust_list(0x7fb652e5d9a0, 24 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5021] <... openat resumed>) = 3 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5641] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5623] exit_group(0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5641] <... futex resumed>) = 0 [pid 5637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5635] <... futex resumed>) = ? [pid 5627] <... sendfile resumed>) = ? [pid 5623] <... exit_group resumed>) = ? [pid 5021] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5643 attached [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5635] +++ exited with 0 +++ [pid 5021] close(3 [pid 5643] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5642] memfd_create("syzkaller", 0 [pid 5637] <... clone3 resumed> => {parent_tid=[5643]}, 88) = 5643 [pid 5627] +++ exited with 0 +++ [pid 5623] +++ exited with 0 +++ [pid 5021] <... close resumed>) = 0 [pid 5643] <... rseq resumed>) = 0 [pid 5642] <... memfd_create resumed>) = 3 [pid 5637] rt_sigprocmask(SIG_SETMASK, [], [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5623, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5643] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5637] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5637] <... futex resumed>) = 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5644 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5637] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5644 attached [pid 5643] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5644] set_robust_list(0x5555556096a0, 24 [pid 5643] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... openat resumed>) = 3 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5644] <... prctl resumed>) = 0 [pid 5643] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... ioctl resumed>) = 0 [pid 5644] setpgid(0, 0 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5025] close(3 [pid 5644] <... setpgid resumed>) = 0 [pid 5643] lseek(-1, 257, SEEK_SET [pid 5637] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] <... close resumed>) = 0 [pid 5643] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5643] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5643] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... openat resumed>) = 3 [pid 5644] write(3, "1000", 4 [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5645 [pid 5644] <... write resumed>) = 4 [pid 5643] getdents64(-1, [pid 5642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5637] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] close(3 [pid 5643] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = 0 [pid 5643] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5645 attached [pid 5644] <... futex resumed>) = 0 [pid 5643] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] set_robust_list(0x5555556096a0, 24 [pid 5644] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5643] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5637] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5643] <... openat resumed>) = 5 [pid 5645] <... prctl resumed>) = 0 [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] setpgid(0, 0 [pid 5644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5643] <... futex resumed>) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5645] <... setpgid resumed>) = 0 [pid 5644] <... mmap resumed>) = 0x7fb652e3d000 [pid 5643] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5645] <... openat resumed>) = 3 [pid 5644] <... mprotect resumed>) = 0 [pid 5645] write(3, "1000", 4 [pid 5644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5645] <... write resumed>) = 4 [pid 5644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] close(3 [pid 5644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5645] <... close resumed>) = 0 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... clone3 resumed> => {parent_tid=[5646]}, 88) = 5646 [pid 5645] <... futex resumed>) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5646 attached [pid 5645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5644] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5644] <... futex resumed>) = 0 [pid 5646] <... rseq resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5646] set_robust_list(0x7fb652e5d9a0, 24 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] <... mmap resumed>) = 0x7fb652e3d000 [pid 5645] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5646] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] <... mprotect resumed>) = 0 [pid 5645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0}./strace-static-x86_64: Process 5647 attached [pid 5646] memfd_create("syzkaller", 0 [pid 5647] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5646] <... memfd_create resumed>) = 3 [pid 5645] <... clone3 resumed> => {parent_tid=[5647]}, 88) = 5647 [pid 5647] <... rseq resumed>) = 0 [pid 5646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] set_robust_list(0x7fb652e5d9a0, 24 [pid 5646] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5642] <... write resumed>) = 2097152 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5642] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5642] <... openat resumed>) = 4 [pid 5647] memfd_create("syzkaller", 0 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5642] ioctl(4, LOOP_SET_FD, 3 [pid 5647] <... memfd_create resumed>) = 3 [pid 5642] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5642] ioctl(4, LOOP_CLR_FD [pid 5647] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5642] <... ioctl resumed>) = 0 [pid 5642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5642] close(4) = 0 [pid 5642] close(3) = 0 [pid 5642] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5642] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] <... futex resumed>) = 0 [pid 5642] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5630] exit_group(0 [pid 5646] <... write resumed>) = 2097152 [pid 5638] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5638] +++ exited with 0 +++ [pid 5646] munmap(0x7fb64aa3d000, 2097152 [pid 5642] <... open resumed>) = 3 [pid 5631] <... sendfile resumed>) = ? [pid 5646] <... munmap resumed>) = 0 [pid 5642] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5646] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5646] <... openat resumed>) = 4 [pid 5642] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] ioctl(4, LOOP_SET_FD, 3 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] <... futex resumed>) = 0 [pid 5647] <... write resumed>) = 2097152 [pid 5646] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5642] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] munmap(0x7fb64aa3d000, 2097152 [pid 5646] ioctl(4, LOOP_CLR_FD) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5647] <... munmap resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5647] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5646] ioctl(4, LOOP_SET_FD, 3 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5647] <... openat resumed>) = 4 [pid 5646] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5022] <... ioctl resumed>) = 0 [pid 5647] ioctl(4, LOOP_SET_FD, 3 [pid 5646] close(4 [pid 5022] close(3 [pid 5646] <... close resumed>) = 0 [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5648 ./strace-static-x86_64: Process 5648 attached [pid 5647] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5646] close(3 [pid 5648] set_robust_list(0x5555556096a0, 24) = 0 [pid 5642] <... open resumed>) = 4 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5642] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... prctl resumed>) = 0 [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5648] setpgid(0, 0 [pid 5642] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... setpgid resumed>) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] <... futex resumed>) = 0 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] ioctl(4, LOOP_CLR_FD [pid 5642] ftruncate(4, 33587195 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... openat resumed>) = 3 [pid 5647] <... ioctl resumed>) = 0 [pid 5648] write(3, "1000", 4) = 4 [pid 5648] close(3) = 0 [pid 5647] ioctl(4, LOOP_SET_FD, 3 [pid 5648] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5648] <... futex resumed>) = 0 [pid 5647] close(4 [pid 5646] <... close resumed>) = 0 [pid 5648] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5647] <... close resumed>) = 0 [pid 5646] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5647] close(3 [pid 5646] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = 0 [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5648] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5644] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5646] <... open resumed>) = 3 [pid 5644] <... futex resumed>) = 0 [pid 5642] <... ftruncate resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5646] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5646] <... futex resumed>) = 0 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5642] <... futex resumed>) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5646] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5644] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5644] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5641] <... futex resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] sendfile(3, 4, NULL, 281474978811909 [pid 5641] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5649 attached [pid 5648] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] <... close resumed>) = 0 [pid 5649] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5649] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5646] <... open resumed>) = 4 [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5646] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5646] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = 0 [pid 5649] memfd_create("syzkaller", 0 [pid 5646] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... memfd_create resumed>) = 3 [pid 5646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... futex resumed>) = 0 [pid 5649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5646] ftruncate(4, 33587195 [pid 5644] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5647] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5647] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5645] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] exit_group(0 [pid 5649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5647] <... open resumed>) = 3 [pid 5646] <... ftruncate resumed>) = 0 [pid 5640] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 5647] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] +++ exited with 0 +++ [pid 5647] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5636] <... sendfile resumed>) = ? [pid 5646] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = 0 [pid 5647] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... futex resumed>) = 0 [pid 5644] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5644] <... futex resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... open resumed>) = 4 [pid 5644] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5647] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] sendfile(3, 4, NULL, 281474978811909 [pid 5641] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... openat resumed>) = 3 [pid 5641] <... futex resumed>) = 0 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5641] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5020] close(3 [pid 5647] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5641] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5020] <... close resumed>) = 0 [pid 5647] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... mprotect resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5647] ftruncate(4, 33587195 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5650 ./strace-static-x86_64: Process 5650 attached [pid 5641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5651 attached [pid 5650] set_robust_list(0x5555556096a0, 24 [pid 5647] <... ftruncate resumed>) = 0 [pid 5651] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5647] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... clone3 resumed> => {parent_tid=[5651]}, 88) = 5651 [pid 5651] <... rseq resumed>) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5647] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [], [pid 5651] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5650] <... prctl resumed>) = 0 [pid 5647] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] setpgid(0, 0 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5641] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] rt_sigprocmask(SIG_SETMASK, [], [pid 5650] <... setpgid resumed>) = 0 [pid 5647] sendfile(3, 4, NULL, 281474978811909 [pid 5645] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... futex resumed>) = 0 [pid 5651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5650] <... openat resumed>) = 3 [pid 5651] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5650] write(3, "1000", 4 [pid 5644] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5651] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... write resumed>) = 4 [pid 5644] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = 1 [pid 5650] close(3 [pid 5644] <... futex resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5651] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] <... close resumed>) = 0 [pid 5644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5641] <... futex resumed>) = 0 [pid 5651] lseek(-1, 257, SEEK_SET [pid 5650] <... futex resumed>) = 0 [pid 5644] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5641] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5644] <... mprotect resumed>) = 0 [pid 5651] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5651] <... futex resumed>) = 1 [pid 5650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5651] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5641] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5641] <... futex resumed>) = 0 [pid 5651] getdents64(-1, [pid 5650] <... mmap resumed>) = 0x7fb652e3d000 [pid 5644] <... clone3 resumed> => {parent_tid=[5652]}, 88) = 5652 [pid 5641] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5650] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5644] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5652 attached [pid 5651] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... mprotect resumed>) = 0 [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5652] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5651] <... futex resumed>) = 1 [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5644] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... futex resumed>) = 0 [pid 5652] <... rseq resumed>) = 0 [pid 5651] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5641] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5649] <... write resumed>) = 2097152 [pid 5644] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] <... futex resumed>) = 0 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5649] munmap(0x7fb64aa3d000, 2097152 [pid 5641] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5653 attached [pid 5652] rt_sigprocmask(SIG_SETMASK, [], [pid 5651] <... openat resumed>) = 5 [pid 5650] <... clone3 resumed> => {parent_tid=[5653]}, 88) = 5653 [pid 5649] <... munmap resumed>) = 0 [pid 5653] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5653] <... rseq resumed>) = 0 [pid 5652] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5651] <... futex resumed>) = 1 [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] <... openat resumed>) = 4 [pid 5641] <... futex resumed>) = 0 [pid 5653] set_robust_list(0x7fb652e5d9a0, 24 [pid 5652] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5651] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] ioctl(4, LOOP_SET_FD, 3 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5650] <... futex resumed>) = 0 [pid 5649] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5653] rt_sigprocmask(SIG_SETMASK, [], [pid 5652] <... futex resumed>) = 1 [pid 5650] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5649] ioctl(4, LOOP_CLR_FD [pid 5644] <... futex resumed>) = 0 [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] <... ioctl resumed>) = 0 [pid 5652] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] memfd_create("syzkaller", 0 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... futex resumed>) = 0 [pid 5653] <... memfd_create resumed>) = 3 [pid 5652] lseek(-1, 257, SEEK_SET [pid 5645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5644] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5652] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] ioctl(4, LOOP_SET_FD, 3 [pid 5645] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5652] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5645] <... futex resumed>) = 0 [pid 5649] close(4 [pid 5652] <... futex resumed>) = 1 [pid 5649] <... close resumed>) = 0 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... futex resumed>) = 0 [pid 5649] close(3 [pid 5652] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5644] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... futex resumed>) = 0 [pid 5652] getdents64(-1, [pid 5645] <... mprotect resumed>) = 0 [pid 5644] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5652] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5652] <... futex resumed>) = 1 [pid 5645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5644] <... futex resumed>) = 0 [pid 5653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5652] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... close resumed>) = 0 [pid 5645] <... clone3 resumed> => {parent_tid=[5654]}, 88) = 5654 [pid 5644] <... futex resumed>) = 0 [pid 5652] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5649] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5644] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] <... openat resumed>) = 5 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5654 attached [pid 5652] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5648] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5652] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5654] <... rseq resumed>) = 0 [pid 5652] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5654] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5654] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5654] lseek(-1, 257, SEEK_SET [pid 5645] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... open resumed>) = 3 [pid 5645] <... futex resumed>) = 0 [pid 5654] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5654] getdents64(-1, [pid 5649] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5648] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5654] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5654] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5654] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5645] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... openat resumed>) = 5 [pid 5654] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5654] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] <... write resumed>) = 2097152 [pid 5653] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5653] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5649] <... open resumed>) = 4 [pid 5649] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] ioctl(4, LOOP_SET_FD, 3 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5653] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5649] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] ioctl(4, LOOP_CLR_FD [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5653] <... ioctl resumed>) = 0 [pid 5649] ftruncate(4, 33587195 [pid 5648] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5653] close(4) = 0 [pid 5653] close(3) = 0 [pid 5649] <... ftruncate resumed>) = 0 [pid 5649] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5649] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5649] sendfile(3, 4, NULL, 281474978811909 [pid 5648] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5653] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] <... futex resumed>) = 0 [pid 5650] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... futex resumed>) = 0 [pid 5650] <... futex resumed>) = 1 [pid 5653] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5650] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5637] exit_group(0) = ? [pid 5643] <... futex resumed>) = ? [pid 5643] +++ exited with 0 +++ [pid 5653] <... open resumed>) = 3 [pid 5653] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5653] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... sendfile resumed>) = ? [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5653] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5650] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] +++ exited with 0 +++ [pid 5637] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5655 [pid 5648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5648] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5655 attached ) = 0 [pid 5655] set_robust_list(0x5555556096a0, 24 [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5653] <... open resumed>) = 4 [pid 5653] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5648] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5655] <... prctl resumed>) = 0 [pid 5653] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... mprotect resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5655] setpgid(0, 0 [pid 5653] ftruncate(4, 33587195 [pid 5650] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5655] <... setpgid resumed>) = 0 [pid 5653] <... ftruncate resumed>) = 0 [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5653] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... openat resumed>) = 3 [pid 5653] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5648] <... clone3 resumed> => {parent_tid=[5656]}, 88) = 5656 [pid 5653] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 5655] write(3, "1000", 4 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] <... write resumed>) = 4 [pid 5653] sendfile(3, 4, NULL, 281474978811909 [pid 5650] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5656 attached [pid 5655] close(3 [pid 5648] <... futex resumed>) = 0 [pid 5656] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5648] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] <... close resumed>) = 0 [pid 5656] <... rseq resumed>) = 0 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5655] <... futex resumed>) = 0 [pid 5656] <... set_robust_list resumed>) = 0 [pid 5655] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5656] rt_sigprocmask(SIG_SETMASK, [], [pid 5655] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5656] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5656] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5656] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... mmap resumed>) = 0x7fb652e3d000 [pid 5656] <... futex resumed>) = 1 [pid 5655] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5648] <... futex resumed>) = 0 [pid 5656] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] <... mprotect resumed>) = 0 [pid 5648] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5648] <... futex resumed>) = 0 [pid 5656] lseek(-1, 257, SEEK_SET [pid 5655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5648] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5656] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5656] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... clone3 resumed> => {parent_tid=[5657]}, 88) = 5657 [pid 5648] <... futex resumed>) = 0 [pid 5656] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5656] getdents64(-1, [pid 5655] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5657 attached [pid 5656] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5655] <... futex resumed>) = 0 [pid 5657] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5656] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5657] <... rseq resumed>) = 0 [pid 5656] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5657] set_robust_list(0x7fb652e5d9a0, 24 [pid 5656] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5657] rt_sigprocmask(SIG_SETMASK, [], [pid 5656] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5648] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5656] <... openat resumed>) = 5 [pid 5657] memfd_create("syzkaller", 0 [pid 5656] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... memfd_create resumed>) = 3 [pid 5656] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5656] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5650] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5650] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5658]}, 88) = 5658 ./strace-static-x86_64: Process 5658 attached [pid 5650] rt_sigprocmask(SIG_SETMASK, [], [pid 5658] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5658] <... rseq resumed>) = 0 [pid 5650] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5650] <... futex resumed>) = 0 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5650] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] rt_sigprocmask(SIG_SETMASK, [], [pid 5657] <... write resumed>) = 2097152 [pid 5658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5657] munmap(0x7fb64aa3d000, 2097152 [pid 5658] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5657] <... munmap resumed>) = 0 [pid 5658] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5657] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5650] <... futex resumed>) = 0 [pid 5658] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] <... openat resumed>) = 4 [pid 5650] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] ioctl(4, LOOP_SET_FD, 3 [pid 5650] <... futex resumed>) = 0 [pid 5658] lseek(-1, 257, SEEK_SET [pid 5657] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5650] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] ioctl(4, LOOP_CLR_FD [pid 5658] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... ioctl resumed>) = 0 [pid 5658] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5658] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5658] getdents64(-1, [pid 5657] ioctl(4, LOOP_SET_FD, 3 [pid 5650] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5657] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5658] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] close(4 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... close resumed>) = 0 [pid 5650] <... futex resumed>) = 0 [pid 5658] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] close(3 [pid 5650] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... close resumed>) = 0 [pid 5650] <... futex resumed>) = 0 [pid 5658] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5650] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] <... openat resumed>) = 5 [pid 5658] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5658] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5657] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5655] <... futex resumed>) = 0 [pid 5657] <... open resumed>) = 3 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5657] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5657] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5657] <... open resumed>) = 4 [pid 5657] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5657] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5657] ftruncate(4, 33587195 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5641] exit_group(0 [pid 5651] <... futex resumed>) = ? [pid 5641] <... exit_group resumed>) = ? [pid 5651] +++ exited with 0 +++ [pid 5644] exit_group(0 [pid 5657] <... ftruncate resumed>) = 0 [pid 5652] <... futex resumed>) = ? [pid 5644] <... exit_group resumed>) = ? [pid 5642] <... sendfile resumed>) = ? [pid 5657] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] +++ exited with 0 +++ [pid 5657] <... futex resumed>) = 1 [pid 5657] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] <... futex resumed>) = 0 [pid 5642] +++ exited with 0 +++ [pid 5641] +++ exited with 0 +++ [pid 5655] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 1 [pid 5657] sendfile(3, 4, NULL, 281474978811909 [pid 5655] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5641, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD) = 0 [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] <... sendfile resumed>) = ? [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5659 [pid 5646] +++ exited with 0 +++ [pid 5644] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5645] exit_group(0 [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5654] <... futex resumed>) = ? [pid 5645] <... exit_group resumed>) = ? [pid 5021] <... restart_syscall resumed>) = 0 [pid 5654] +++ exited with 0 +++ [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5021] ioctl(3, LOOP_CLR_FD) = 0 [pid 5021] close(3) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] <... sendfile resumed>) = ? [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5660 [pid 5647] +++ exited with 0 +++ [pid 5645] +++ exited with 0 +++ ./strace-static-x86_64: Process 5660 attached [pid 5660] set_robust_list(0x5555556096a0, 24 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5645, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5660] <... set_robust_list resumed>) = 0 [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] <... restart_syscall resumed>) = 0 [pid 5660] <... prctl resumed>) = 0 [pid 5660] setpgid(0, 0) = 0 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5659 attached [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5025] <... openat resumed>) = 3 [pid 5660] <... openat resumed>) = 3 [pid 5659] set_robust_list(0x5555556096a0, 24 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5660] write(3, "1000", 4 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5025] <... ioctl resumed>) = 0 [pid 5660] <... write resumed>) = 4 [pid 5025] close(3 [pid 5660] close(3 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] <... close resumed>) = 0 [pid 5660] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... prctl resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] setpgid(0, 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5661 [pid 5660] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5659] <... setpgid resumed>) = 0 [pid 5660] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5661 attached [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] set_robust_list(0x5555556096a0, 24 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] <... openat resumed>) = 3 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] <... mmap resumed>) = 0x7fb652e3d000 [pid 5655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5660] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5659] write(3, "1000", 4 [pid 5655] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... prctl resumed>) = 0 [pid 5660] <... mprotect resumed>) = 0 [pid 5659] <... write resumed>) = 4 [pid 5655] <... futex resumed>) = 0 [pid 5661] setpgid(0, 0 [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5659] close(3 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5661] <... setpgid resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5659] <... close resumed>) = 0 [pid 5655] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5659] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5661] <... openat resumed>) = 3 [pid 5655] <... mprotect resumed>) = 0 [pid 5661] write(3, "1000", 4 [pid 5660] <... clone3 resumed> => {parent_tid=[5662]}, 88) = 5662 [pid 5659] <... futex resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5661] <... write resumed>) = 4 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5659] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5655] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5661] close(3 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5659] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5661] <... close resumed>) = 0 [pid 5660] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5661] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = 0 [pid 5655] <... clone3 resumed> => {parent_tid=[5663]}, 88) = 5663 [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5660] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5662 attached [pid 5661] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5659] <... mmap resumed>) = 0x7fb652e3d000 [pid 5655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5661] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5659] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5655] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... rseq resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5655] <... futex resumed>) = 0 [pid 5659] <... mprotect resumed>) = 0 [pid 5662] set_robust_list(0x7fb652e5d9a0, 24 [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... set_robust_list resumed>) = 0 [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] <... mmap resumed>) = 0x7fb652e3d000 [pid 5659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5662] memfd_create("syzkaller", 0 [pid 5661] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5663 attached [pid 5662] <... memfd_create resumed>) = 3 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5659] <... clone3 resumed> => {parent_tid=[5664]}, 88) = 5664 [pid 5663] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5663] <... rseq resumed>) = 0 [pid 5662] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5664 attached [pid 5663] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5664] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5661] <... clone3 resumed> => {parent_tid=[5665]}, 88) = 5665 [pid 5659] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... rseq resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] set_robust_list(0x7fb652e5d9a0, 24 [pid 5663] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5661] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5665 attached [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5663] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5661] <... futex resumed>) = 0 [pid 5665] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5661] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] <... rseq resumed>) = 0 [pid 5664] memfd_create("syzkaller", 0 [pid 5663] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] set_robust_list(0x7fb652e5d9a0, 24 [pid 5664] <... memfd_create resumed>) = 3 [pid 5663] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5663] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5665] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5663] lseek(-1, 257, SEEK_SET [pid 5655] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] memfd_create("syzkaller", 0) = 3 [pid 5663] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5663] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5663] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5663] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5663] getdents64(-1, [pid 5655] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5663] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5663] <... futex resumed>) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5663] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5663] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5655] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... openat resumed>) = 5 [pid 5663] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5663] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... write resumed>) = 2097152 [pid 5662] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5662] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5662] ioctl(4, LOOP_CLR_FD) = 0 [pid 5662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5662] close(4) = 0 [pid 5662] close(3 [pid 5664] <... write resumed>) = 2097152 [pid 5664] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5664] ioctl(4, LOOP_CLR_FD) = 0 [pid 5664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5664] close(4) = 0 [pid 5664] close(3 [pid 5662] <... close resumed>) = 0 [pid 5662] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5660] <... futex resumed>) = 0 [pid 5662] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5660] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... close resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5660] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5664] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5665] <... write resumed>) = 2097152 [pid 5664] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... futex resumed>) = 0 [pid 5665] munmap(0x7fb64aa3d000, 2097152 [pid 5664] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5659] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... munmap resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5665] ioctl(4, LOOP_CLR_FD [pid 5662] <... open resumed>) = 3 [pid 5665] <... ioctl resumed>) = 0 [pid 5662] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5660] <... futex resumed>) = 0 [pid 5665] ioctl(4, LOOP_SET_FD, 3 [pid 5662] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5660] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5660] <... futex resumed>) = 0 [pid 5665] close(4 [pid 5660] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... close resumed>) = 0 [pid 5664] <... open resumed>) = 3 [pid 5665] close(3 [pid 5664] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] <... futex resumed>) = 0 [pid 5664] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... close resumed>) = 0 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... futex resumed>) = 0 [pid 5664] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5659] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5650] exit_group(0 [pid 5662] <... open resumed>) = 4 [pid 5665] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5661] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = ? [pid 5650] <... exit_group resumed>) = ? [pid 5662] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... open resumed>) = 4 [pid 5653] <... sendfile resumed>) = ? [pid 5664] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5658] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5650] +++ exited with 0 +++ [pid 5664] <... futex resumed>) = 1 [pid 5662] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... futex resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5665] <... open resumed>) = 3 [pid 5664] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5660] <... futex resumed>) = 0 [pid 5659] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] ftruncate(4, 33587195 [pid 5660] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] <... futex resumed>) = 0 [pid 5665] <... futex resumed>) = 1 [pid 5664] ftruncate(4, 33587195 [pid 5661] <... futex resumed>) = 0 [pid 5659] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [pid 5665] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5661] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5664] <... ftruncate resumed>) = 0 [pid 5662] <... ftruncate resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5664] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] close(3 [pid 5665] <... open resumed>) = 4 [pid 5664] <... futex resumed>) = 1 [pid 5662] <... futex resumed>) = 1 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5665] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5665] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5665] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] sendfile(3, 4, NULL, 281474978811909 [pid 5662] sendfile(3, 4, NULL, 281474978811909 [pid 5661] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5666 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [pid 5665] ftruncate(4, 33587195 [pid 5661] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] exit_group(0 [pid 5656] <... futex resumed>) = ? [pid 5648] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5666 attached [pid 5656] +++ exited with 0 +++ [pid 5666] set_robust_list(0x5555556096a0, 24) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5666] setpgid(0, 0) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5666] write(3, "1000", 4) = 4 [pid 5666] close(3) = 0 [pid 5666] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5666] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5649] <... sendfile resumed>) = ? [pid 5666] <... mprotect resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5649] +++ exited with 0 +++ [pid 5648] +++ exited with 0 +++ [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5666] <... clone3 resumed> => {parent_tid=[5667]}, 88) = 5667 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5665] <... ftruncate resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5665] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5665] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5666] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [pid 5022] <... openat resumed>) = 3 [pid 5665] sendfile(3, 4, NULL, 281474978811909 [pid 5661] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5667 attached [pid 5022] close(3 [pid 5667] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5022] <... close resumed>) = 0 [pid 5667] <... rseq resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5668 [pid 5667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5668 attached [pid 5667] memfd_create("syzkaller", 0 [pid 5668] set_robust_list(0x5555556096a0, 24 [pid 5667] <... memfd_create resumed>) = 3 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5667] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5668] <... prctl resumed>) = 0 [pid 5668] setpgid(0, 0) = 0 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5668] write(3, "1000", 4) = 4 [pid 5660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5659] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5668] close(3 [pid 5660] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... close resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] <... futex resumed>) = 0 [pid 5660] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5659] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5668] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5660] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5659] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5660] <... mprotect resumed>) = 0 [pid 5659] <... mprotect resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5668] <... mmap resumed>) = 0x7fb652e3d000 [pid 5668] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5660] <... clone3 resumed> => {parent_tid=[5669]}, 88) = 5669 [pid 5659] <... clone3 resumed> => {parent_tid=[5670]}, 88) = 5670 ./strace-static-x86_64: Process 5669 attached [pid 5668] <... mprotect resumed>) = 0 [pid 5661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5661] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5670 attached [pid 5668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5660] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5670] <... rseq resumed>) = 0 [pid 5669] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5661] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5660] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5668] <... clone3 resumed> => {parent_tid=[5671]}, 88) = 5671 [pid 5661] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5670] <... set_robust_list resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5671 attached [pid 5670] rt_sigprocmask(SIG_SETMASK, [], [pid 5669] <... rseq resumed>) = 0 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5671] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5671] <... rseq resumed>) = 0 [pid 5670] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5669] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5668] <... futex resumed>) = 0 [pid 5661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5671] set_robust_list(0x7fb652e5d9a0, 24 [pid 5670] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5661] <... clone3 resumed> => {parent_tid=[5672]}, 88) = 5672 [pid 5671] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] <... futex resumed>) = 1 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 5659] <... futex resumed>) = 0 [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5670] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5659] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] memfd_create("syzkaller", 0 [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5661] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... futex resumed>) = 0 [pid 5671] <... memfd_create resumed>) = 3 [pid 5670] lseek(-1, 257, SEEK_SET [pid 5669] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5661] <... futex resumed>) = 0 [pid 5659] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5670] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5661] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5670] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5672 attached [pid 5670] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = 1 [pid 5667] <... write resumed>) = 2097152 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5670] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5669] lseek(-1, 257, SEEK_SET [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] munmap(0x7fb64aa3d000, 2097152 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5672] <... rseq resumed>) = 0 [pid 5669] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5670] getdents64(-1, [pid 5669] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... set_robust_list resumed>) = 0 [pid 5670] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5669] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [pid 5670] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] getdents64(-1, [pid 5660] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5670] <... futex resumed>) = 1 [pid 5669] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5667] <... munmap resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5672] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5670] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5660] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... futex resumed>) = 0 [pid 5667] <... openat resumed>) = 4 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... futex resumed>) = 0 [pid 5672] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5669] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5667] ioctl(4, LOOP_SET_FD, 3 [pid 5660] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... futex resumed>) = 1 [pid 5670] <... openat resumed>) = 5 [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5672] lseek(-1, 257, SEEK_SET [pid 5670] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... openat resumed>) = 5 [pid 5667] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5661] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... futex resumed>) = 1 [pid 5669] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = 0 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... futex resumed>) = 0 [pid 5672] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 0 [pid 5667] ioctl(4, LOOP_CLR_FD [pid 5661] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... futex resumed>) = 0 [pid 5669] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... ioctl resumed>) = 0 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] getdents64(-1, [pid 5661] <... futex resumed>) = 0 [pid 5672] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5667] ioctl(4, LOOP_SET_FD, 3 [pid 5661] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] <... futex resumed>) = 0 [pid 5667] close(4 [pid 5661] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5667] <... close resumed>) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5672] <... openat resumed>) = 5 [pid 5671] <... write resumed>) = 2097152 [pid 5667] close(3 [pid 5661] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] munmap(0x7fb64aa3d000, 2097152 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] <... munmap resumed>) = 0 [pid 5671] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5671] ioctl(4, LOOP_SET_FD, 3 [pid 5672] <... futex resumed>) = 0 [pid 5672] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5671] ioctl(4, LOOP_CLR_FD) = 0 [pid 5671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5671] close(4) = 0 [pid 5671] close(3 [pid 5667] <... close resumed>) = 0 [pid 5667] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5667] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5666] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... close resumed>) = 0 [pid 5671] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5671] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5671] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... open resumed>) = 3 [pid 5667] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... open resumed>) = 3 [pid 5671] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5667] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5666] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5666] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... open resumed>) = 4 [pid 5667] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5667] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5671] <... open resumed>) = 4 [pid 5667] ftruncate(4, 33587195 [pid 5666] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5671] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5671] ftruncate(4, 33587195 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... ftruncate resumed>) = 0 [pid 5667] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5667] sendfile(3, 4, NULL, 281474978811909 [pid 5666] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... ftruncate resumed>) = 0 [pid 5671] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5671] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5671] sendfile(3, 4, NULL, 281474978811909 [pid 5668] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] exit_group(0) = ? [pid 5663] <... futex resumed>) = ? [pid 5663] +++ exited with 0 +++ [pid 5657] <... sendfile resumed>) = ? [pid 5657] +++ exited with 0 +++ [pid 5655] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5655, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5673 ./strace-static-x86_64: Process 5673 attached [pid 5673] set_robust_list(0x5555556096a0, 24) = 0 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5673] setpgid(0, 0 [pid 5666] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... setpgid resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5673] <... openat resumed>) = 3 [pid 5666] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5673] write(3, "1000", 4 [pid 5666] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5673] <... write resumed>) = 4 [pid 5666] <... mprotect resumed>) = 0 [pid 5673] close(3 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5673] <... close resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5673] <... futex resumed>) = 0 [pid 5673] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5666] <... clone3 resumed> => {parent_tid=[5674]}, 88) = 5674 [pid 5673] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5666] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 0 [pid 5673] <... mmap resumed>) = 0x7fb652e3d000 [pid 5668] <... futex resumed>) = 0 [pid 5666] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5673] <... mprotect resumed>) = 0 [pid 5668] <... mmap resumed>) = 0x7fb64ac1c000 ./strace-static-x86_64: Process 5674 attached [pid 5673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5668] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5674] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5668] <... mprotect resumed>) = 0 [pid 5674] <... rseq resumed>) = 0 [pid 5673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5674] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5674] <... set_robust_list resumed>) = 0 [pid 5673] <... clone3 resumed> => {parent_tid=[5675]}, 88) = 5675 [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5674] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] <... clone3 resumed> => {parent_tid=[5676]}, 88) = 5676 [pid 5674] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5673] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5673] <... futex resumed>) = 0 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5676 attached [pid 5674] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5668] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5674] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5676] <... rseq resumed>) = 0 [pid 5674] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5674] lseek(-1, 257, SEEK_SET [pid 5666] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5674] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5674] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5676] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5674] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5674] getdents64(-1, [pid 5668] <... futex resumed>) = 0 [pid 5666] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5674] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5668] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5674] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5676] lseek(-1, 257, SEEK_SET [pid 5674] <... futex resumed>) = 1 [pid 5668] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... futex resumed>) = 0 [pid 5676] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5674] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5675 attached [pid 5676] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5675] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5674] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5668] <... futex resumed>) = 0 [pid 5666] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... rseq resumed>) = 0 [pid 5674] <... openat resumed>) = 5 [pid 5668] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] set_robust_list(0x7fb652e5d9a0, 24 [pid 5674] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5676] getdents64(-1, [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] <... futex resumed>) = 1 [pid 5668] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... futex resumed>) = 0 [pid 5676] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5675] rt_sigprocmask(SIG_SETMASK, [], [pid 5674] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5676] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5676] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5675] memfd_create("syzkaller", 0 [pid 5676] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] <... memfd_create resumed>) = 3 [pid 5668] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] <... futex resumed>) = 0 [pid 5676] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5668] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] <... openat resumed>) = 5 [pid 5675] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5676] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5676] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152) = 2097152 [pid 5675] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5675] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5661] exit_group(0 [pid 5660] exit_group(0 [pid 5672] <... futex resumed>) = ? [pid 5669] <... futex resumed>) = ? [pid 5662] <... sendfile resumed>) = ? [pid 5661] <... exit_group resumed>) = ? [pid 5660] <... exit_group resumed>) = ? [pid 5672] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5659] exit_group(0 [pid 5670] <... futex resumed>) = ? [pid 5659] <... exit_group resumed>) = ? [pid 5670] +++ exited with 0 +++ [pid 5669] +++ exited with 0 +++ [pid 5665] <... sendfile resumed>) = ? [pid 5664] <... sendfile resumed>) = ? [pid 5660] +++ exited with 0 +++ [pid 5665] +++ exited with 0 +++ [pid 5664] +++ exited with 0 +++ [pid 5661] +++ exited with 0 +++ [pid 5659] +++ exited with 0 +++ [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5660, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5675] <... openat resumed>) = 4 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5661, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5659, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5675] ioctl(4, LOOP_SET_FD, 3 [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... openat resumed>) = 3 [pid 5021] <... openat resumed>) = 3 [pid 5019] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5675] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5025] <... ioctl resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5019] <... ioctl resumed>) = 0 [pid 5025] close(3 [pid 5021] close(3 [pid 5019] close(3 [pid 5025] <... close resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5675] ioctl(4, LOOP_CLR_FD [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5677 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5678 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5679 [pid 5675] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5677 attached [pid 5677] set_robust_list(0x5555556096a0, 24./strace-static-x86_64: Process 5679 attached ) = 0 [pid 5675] ioctl(4, LOOP_SET_FD, 3 [pid 5679] set_robust_list(0x5555556096a0, 24 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5675] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5679] <... set_robust_list resumed>) = 0 [pid 5677] <... prctl resumed>) = 0 [pid 5675] close(4./strace-static-x86_64: Process 5678 attached [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] setpgid(0, 0 [pid 5675] <... close resumed>) = 0 [pid 5679] <... prctl resumed>) = 0 [pid 5677] <... setpgid resumed>) = 0 [pid 5675] close(3 [pid 5679] setpgid(0, 0 [pid 5678] set_robust_list(0x5555556096a0, 24 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5679] <... setpgid resumed>) = 0 [pid 5677] <... openat resumed>) = 3 [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] write(3, "1000", 4 [pid 5679] <... openat resumed>) = 3 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] <... write resumed>) = 4 [pid 5679] write(3, "1000", 4 [pid 5677] close(3 [pid 5679] <... write resumed>) = 4 [pid 5677] <... close resumed>) = 0 [pid 5679] close(3 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... close resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5678] <... prctl resumed>) = 0 [pid 5679] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] setpgid(0, 0 [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5679] <... futex resumed>) = 0 [pid 5678] <... setpgid resumed>) = 0 [pid 5677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5679] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5679] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] <... openat resumed>) = 3 [pid 5677] <... mmap resumed>) = 0x7fb652e3d000 [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5678] write(3, "1000", 4 [pid 5677] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5679] <... mmap resumed>) = 0x7fb652e3d000 [pid 5678] <... write resumed>) = 4 [pid 5677] <... mprotect resumed>) = 0 [pid 5679] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5678] close(3 [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5679] <... mprotect resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5679] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5679] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5677] <... clone3 resumed> => {parent_tid=[5680]}, 88) = 5680 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5679] <... clone3 resumed> => {parent_tid=[5681]}, 88) = 5681 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5677] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5678] <... close resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5679] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5681 attached ./strace-static-x86_64: Process 5680 attached [pid 5679] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5678] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5681] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5680] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5678] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5681] <... rseq resumed>) = 0 [pid 5680] <... rseq resumed>) = 0 [pid 5681] set_robust_list(0x7fb652e5d9a0, 24 [pid 5680] set_robust_list(0x7fb652e5d9a0, 24 [pid 5681] <... set_robust_list resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 5680] <... set_robust_list resumed>) = 0 [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [], [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] memfd_create("syzkaller", 0 [pid 5680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5681] <... memfd_create resumed>) = 3 [pid 5680] memfd_create("syzkaller", 0 [pid 5678] <... mmap resumed>) = 0x7fb652e3d000 [pid 5681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] <... memfd_create resumed>) = 3 [pid 5678] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5681] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5678] <... mprotect resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5682]}, 88) = 5682 [pid 5678] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5678] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5682 attached [pid 5678] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5682] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5682] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5675] <... close resumed>) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] memfd_create("syzkaller", 0 [pid 5681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5675] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... memfd_create resumed>) = 3 [pid 5682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5675] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5682] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5675] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5673] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5675] <... open resumed>) = 3 [pid 5675] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5673] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5673] <... futex resumed>) = 0 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... write resumed>) = 2097152 [pid 5675] <... open resumed>) = 4 [pid 5675] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5675] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5680] munmap(0x7fb64aa3d000, 2097152 [pid 5675] ftruncate(4, 33587195 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... munmap resumed>) = 0 [pid 5680] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5680] ioctl(4, LOOP_SET_FD, 3 [pid 5675] <... ftruncate resumed>) = 0 [pid 5680] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] ioctl(4, LOOP_CLR_FD [pid 5675] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... ioctl resumed>) = 0 [pid 5675] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5675] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... write resumed>) = 2097152 [pid 5681] <... write resumed>) = 2097152 [pid 5680] ioctl(4, LOOP_SET_FD, 3 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5680] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] close(4 [pid 5675] sendfile(3, 4, NULL, 281474978811909 [pid 5673] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... close resumed>) = 0 [pid 5680] close(3 [pid 5682] munmap(0x7fb64aa3d000, 2097152 [pid 5681] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5680] <... close resumed>) = 0 [pid 5682] <... munmap resumed>) = 0 [pid 5681] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5680] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5681] <... openat resumed>) = 4 [pid 5680] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5680] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5680] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5677] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5682] <... openat resumed>) = 4 [pid 5681] ioctl(4, LOOP_CLR_FD) = 0 [pid 5682] ioctl(4, LOOP_SET_FD, 3 [pid 5680] <... open resumed>) = 3 [pid 5680] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5680] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5682] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5681] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(4 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5682] ioctl(4, LOOP_CLR_FD [pid 5681] <... close resumed>) = 0 [pid 5680] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5677] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] <... ioctl resumed>) = 0 [pid 5681] close(3) = 0 [pid 5673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... open resumed>) = 4 [pid 5673] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] ioctl(4, LOOP_SET_FD, 3 [pid 5680] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5673] <... futex resumed>) = 0 [pid 5680] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5680] ftruncate(4, 33587195 [pid 5677] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] close(4 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5682] <... close resumed>) = 0 [pid 5681] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5679] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5682] close(3 [pid 5679] <... futex resumed>) = 0 [pid 5673] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5682] <... close resumed>) = 0 [pid 5681] <... open resumed>) = 3 [pid 5680] <... ftruncate resumed>) = 0 [pid 5679] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... mprotect resumed>) = 0 [pid 5681] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5681] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5679] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5681] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5680] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = 0 [pid 5677] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] <... futex resumed>) = 0 [pid 5680] sendfile(3, 4, NULL, 281474978811909 [pid 5677] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... clone3 resumed> => {parent_tid=[5683]}, 88) = 5683 ./strace-static-x86_64: Process 5683 attached [pid 5682] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5683] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5682] <... futex resumed>) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] <... rseq resumed>) = 0 [pid 5682] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5678] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5678] <... futex resumed>) = 0 [pid 5673] <... futex resumed>) = 0 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5678] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5683] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5683] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... open resumed>) = 4 [pid 5683] <... futex resumed>) = 1 [pid 5681] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5683] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5682] <... open resumed>) = 3 [pid 5681] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5673] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5682] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5683] lseek(-1, 257, SEEK_SET [pid 5682] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5673] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] ftruncate(4, 33587195 [pid 5679] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5682] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5683] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5683] getdents64(-1, [pid 5673] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5683] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5683] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] <... futex resumed>) = 0 [pid 5683] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5673] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... openat resumed>) = 5 [pid 5683] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] exit_group(0 [pid 5683] <... futex resumed>) = 1 [pid 5676] <... futex resumed>) = ? [pid 5673] <... futex resumed>) = 0 [pid 5668] <... exit_group resumed>) = ? [pid 5683] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5676] +++ exited with 0 +++ [pid 5671] <... sendfile resumed>) = ? [pid 5666] exit_group(0 [pid 5674] <... futex resumed>) = ? [pid 5666] <... exit_group resumed>) = ? [pid 5674] +++ exited with 0 +++ [pid 5671] +++ exited with 0 +++ [pid 5668] +++ exited with 0 +++ [pid 5667] <... sendfile resumed>) = ? [pid 5681] <... ftruncate resumed>) = 0 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD) = 0 [pid 5682] <... open resumed>) = 4 [pid 5667] +++ exited with 0 +++ [pid 5666] +++ exited with 0 +++ [pid 5022] close(3 [pid 5681] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... futex resumed>) = 1 [pid 5022] <... close resumed>) = 0 [pid 5682] <... futex resumed>) = 1 [pid 5681] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5682] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] <... futex resumed>) = 0 [pid 5679] <... futex resumed>) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5666, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ./strace-static-x86_64: Process 5684 attached [pid 5682] ftruncate(4, 33587195 [pid 5681] sendfile(3, 4, NULL, 281474978811909 [pid 5679] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5684 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5684] set_robust_list(0x5555556096a0, 24 [pid 5677] <... futex resumed>) = 0 [pid 5684] <... set_robust_list resumed>) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5020] <... openat resumed>) = 3 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5684] <... prctl resumed>) = 0 [pid 5677] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5684] setpgid(0, 0 [pid 5677] <... mprotect resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5684] <... setpgid resumed>) = 0 [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5020] close(3 [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5020] <... close resumed>) = 0 [pid 5684] <... openat resumed>) = 3 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5684] write(3, "1000", 4) = 4 [pid 5677] <... clone3 resumed> => {parent_tid=[5685]}, 88) = 5685 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5686 [pid 5684] close(3 [pid 5682] <... ftruncate resumed>) = 0 [pid 5677] rt_sigprocmask(SIG_SETMASK, [], [pid 5684] <... close resumed>) = 0 [pid 5682] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5685 attached [pid 5684] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... futex resumed>) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5677] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5686 attached [pid 5685] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5684] <... futex resumed>) = 0 [pid 5682] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5686] set_robust_list(0x5555556096a0, 24 [pid 5685] <... rseq resumed>) = 0 [pid 5684] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5677] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5684] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5682] sendfile(3, 4, NULL, 281474978811909 [pid 5678] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5686] <... prctl resumed>) = 0 [pid 5685] rt_sigprocmask(SIG_SETMASK, [], [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] setpgid(0, 0 [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5686] <... setpgid resumed>) = 0 [pid 5685] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5684] <... mmap resumed>) = 0x7fb652e3d000 [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5685] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5684] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5686] <... openat resumed>) = 3 [pid 5685] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... mprotect resumed>) = 0 [pid 5679] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] write(3, "1000", 4 [pid 5685] <... futex resumed>) = 1 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5679] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5686] <... write resumed>) = 4 [pid 5685] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5677] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(3 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5679] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5677] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5687 attached [pid 5686] <... close resumed>) = 0 [pid 5685] lseek(-1, 257, SEEK_SET [pid 5679] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5677] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... clone3 resumed> => {parent_tid=[5687]}, 88) = 5687 [pid 5679] <... mprotect resumed>) = 0 [pid 5687] <... rseq resumed>) = 0 [pid 5686] <... futex resumed>) = 0 [pid 5685] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5679] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5687] set_robust_list(0x7fb652e5d9a0, 24 [pid 5686] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5685] <... futex resumed>) = 1 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5685] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5677] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5688 attached [pid 5687] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5688] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] getdents64(-1, [pid 5684] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5679] <... clone3 resumed> => {parent_tid=[5688]}, 88) = 5688 [pid 5677] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5688] <... rseq resumed>) = 0 [pid 5687] memfd_create("syzkaller", 0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5679] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5687] <... memfd_create resumed>) = 3 [pid 5686] <... mmap resumed>) = 0x7fb652e3d000 [pid 5685] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5686] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5685] <... futex resumed>) = 1 [pid 5679] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5688] rt_sigprocmask(SIG_SETMASK, [], [pid 5687] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5686] <... mprotect resumed>) = 0 [pid 5685] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = 0 [pid 5677] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] <... futex resumed>) = 0 [pid 5685] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5677] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5685] <... openat resumed>) = 5 [pid 5679] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5688] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5685] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5688] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5685] <... futex resumed>) = 1 [pid 5678] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5688] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5685] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] <... futex resumed>) = 0 [pid 5688] <... futex resumed>) = 1 [pid 5686] <... clone3 resumed> => {parent_tid=[5689]}, 88) = 5689 [pid 5679] <... futex resumed>) = 0 [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5688] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5679] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5678] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5688] lseek(-1, 257, SEEK_SET [pid 5686] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] <... mprotect resumed>) = 0 [pid 5688] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... futex resumed>) = 0 [pid 5678] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5689 attached [pid 5688] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5689] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5688] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5689] <... rseq resumed>) = 0 [pid 5688] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] set_robust_list(0x7fb652e5d9a0, 24 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] <... futex resumed>) = 0 [pid 5678] <... clone3 resumed> => {parent_tid=[5690]}, 88) = 5690 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5688] getdents64(-1, [pid 5679] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5690 attached [pid 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5688] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5690] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5688] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... write resumed>) = 2097152 [pid 5678] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... rseq resumed>) = 0 [pid 5689] memfd_create("syzkaller", 0 [pid 5688] <... futex resumed>) = 1 [pid 5687] munmap(0x7fb64aa3d000, 2097152 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5690] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5689] <... memfd_create resumed>) = 3 [pid 5688] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] <... munmap resumed>) = 0 [pid 5679] <... futex resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5688] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5687] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5679] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5688] <... openat resumed>) = 5 [pid 5687] <... openat resumed>) = 4 [pid 5690] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5688] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5690] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5688] <... futex resumed>) = 1 [pid 5687] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5679] <... futex resumed>) = 0 [pid 5690] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5688] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] ioctl(4, LOOP_CLR_FD [pid 5690] <... futex resumed>) = 1 [pid 5687] <... ioctl resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5690] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5690] lseek(-1, 257, SEEK_SET [pid 5678] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5690] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5690] <... futex resumed>) = 1 [pid 5687] close(4 [pid 5678] <... futex resumed>) = 0 [pid 5690] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] <... close resumed>) = 0 [pid 5678] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] close(3 [pid 5678] <... futex resumed>) = 0 [pid 5690] getdents64(-1, [pid 5678] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5690] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5690] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5678] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... futex resumed>) = 0 [pid 5690] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5678] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... openat resumed>) = 5 [pid 5690] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5678] <... futex resumed>) = 0 [pid 5690] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... write resumed>) = 2097152 [pid 5689] munmap(0x7fb64aa3d000, 2097152 [pid 5687] <... close resumed>) = 0 [pid 5687] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5687] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5684] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5684] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... munmap resumed>) = 0 [pid 5689] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5687] <... open resumed>) = 3 [pid 5689] ioctl(4, LOOP_SET_FD, 3 [pid 5687] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5689] ioctl(4, LOOP_CLR_FD [pid 5687] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... ioctl resumed>) = 0 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5687] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5684] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5689] close(4) = 0 [pid 5689] close(3) = 0 [pid 5689] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5689] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5687] <... open resumed>) = 4 [pid 5686] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5687] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5687] <... futex resumed>) = 1 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5687] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5687] ftruncate(4, 33587195 [pid 5684] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... open resumed>) = 3 [pid 5687] <... ftruncate resumed>) = 0 [pid 5689] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5687] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = 0 [pid 5689] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5687] <... futex resumed>) = 1 [pid 5686] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5687] sendfile(3, 4, NULL, 281474978811909 [pid 5686] <... futex resumed>) = 0 [pid 5684] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5684] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... open resumed>) = 4 [pid 5689] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5689] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5689] ftruncate(4, 33587195 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... ftruncate resumed>) = 0 [pid 5689] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5689] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5689] sendfile(3, 4, NULL, 281474978811909 [pid 5686] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5684] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5684] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5691 attached [pid 5691] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5684] <... clone3 resumed> => {parent_tid=[5691]}, 88) = 5691 [pid 5691] <... rseq resumed>) = 0 [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5684] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5684] <... futex resumed>) = 0 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5684] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5691] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5691] lseek(-1, 257, SEEK_SET [pid 5684] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5691] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5684] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] getdents64(-1, [pid 5684] <... futex resumed>) = 0 [pid 5684] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5691] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5691] <... futex resumed>) = 1 [pid 5684] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5684] <... futex resumed>) = 0 [pid 5691] <... openat resumed>) = 5 [pid 5684] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... futex resumed>) = 0 [pid 5691] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] exit_group(0 [pid 5686] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5683] <... futex resumed>) = ? [pid 5673] <... exit_group resumed>) = ? [pid 5675] <... sendfile resumed>) = ? [pid 5686] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] +++ exited with 0 +++ [pid 5675] +++ exited with 0 +++ [pid 5673] +++ exited with 0 +++ [pid 5686] <... futex resumed>) = 0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5673, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5686] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5686] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5686] <... mprotect resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5027] close(3./strace-static-x86_64: Process 5692 attached [pid 5692] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5027] <... close resumed>) = 0 [pid 5692] <... rseq resumed>) = 0 [pid 5692] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5692] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... clone3 resumed> => {parent_tid=[5692]}, 88) = 5692 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5693 attached [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] set_robust_list(0x5555556096a0, 24 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5693 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5686] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5692] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5693] <... prctl resumed>) = 0 [pid 5692] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5686] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] setpgid(0, 0 [pid 5692] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5693] <... setpgid resumed>) = 0 [pid 5692] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5693] <... openat resumed>) = 3 [pid 5692] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] write(3, "1000", 4 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5693] <... write resumed>) = 4 [pid 5692] lseek(-1, 257, SEEK_SET [pid 5686] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] close(3 [pid 5692] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = 0 [pid 5692] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5692] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5692] getdents64(-1, [pid 5686] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5692] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5692] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5693] <... mmap resumed>) = 0x7fb652e3d000 [pid 5692] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] <... futex resumed>) = 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5692] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5686] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5692] <... openat resumed>) = 5 [pid 5693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5692] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5692] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... clone3 resumed> => {parent_tid=[5694]}, 88) = 5694 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5693] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5694 attached [pid 5694] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5694] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5694] memfd_create("syzkaller", 0) = 3 [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5677] exit_group(0 [pid 5685] <... futex resumed>) = ? [pid 5677] <... exit_group resumed>) = ? [pid 5694] <... write resumed>) = 2097152 [pid 5685] +++ exited with 0 +++ [pid 5694] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5694] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5679] exit_group(0 [pid 5694] <... openat resumed>) = 4 [pid 5688] <... futex resumed>) = ? [pid 5679] <... exit_group resumed>) = ? [pid 5694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5688] +++ exited with 0 +++ [pid 5694] ioctl(4, LOOP_CLR_FD) = 0 [pid 5694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5694] close(4) = 0 [pid 5694] close(3) = 0 [pid 5694] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] <... futex resumed>) = 1 [pid 5694] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5680] <... sendfile resumed>) = ? [pid 5680] +++ exited with 0 +++ [pid 5677] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5677, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5681] <... sendfile resumed>) = ? [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5681] +++ exited with 0 +++ [pid 5679] +++ exited with 0 +++ [pid 5025] <... openat resumed>) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5679, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5025] <... ioctl resumed>) = 0 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5025] close(3 [pid 5019] <... restart_syscall resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5695 [pid 5019] <... openat resumed>) = 3 [pid 5678] exit_group(0 [pid 5019] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5695 attached [pid 5690] <... futex resumed>) = ? [pid 5678] <... exit_group resumed>) = ? [pid 5019] <... ioctl resumed>) = 0 [pid 5695] set_robust_list(0x5555556096a0, 24 [pid 5690] +++ exited with 0 +++ [pid 5019] close(3 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5695] <... prctl resumed>) = 0 [pid 5694] <... open resumed>) = 3 [pid 5694] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5695] setpgid(0, 0 [pid 5694] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... sendfile resumed>) = ? [pid 5695] <... setpgid resumed>) = 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5682] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5696 [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5696 attached [pid 5695] <... openat resumed>) = 3 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5678, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5696] set_robust_list(0x5555556096a0, 24 [pid 5695] write(3, "1000", 4 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] <... write resumed>) = 4 [pid 5021] <... openat resumed>) = 3 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] close(3 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5696] <... prctl resumed>) = 0 [pid 5695] <... close resumed>) = 0 [pid 5021] <... ioctl resumed>) = 0 [pid 5696] setpgid(0, 0 [pid 5695] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] close(3 [pid 5696] <... setpgid resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5696] <... openat resumed>) = 3 [pid 5695] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5696] write(3, "1000", 4 [pid 5695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5694] <... open resumed>) = 4 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5697 [pid 5696] <... write resumed>) = 4 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] close(3 [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5694] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5696] <... close resumed>) = 0 [pid 5695] <... mmap resumed>) = 0x7fb652e3d000 [pid 5694] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5697 attached [pid 5696] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5697] set_robust_list(0x5555556096a0, 24 [pid 5696] <... futex resumed>) = 0 [pid 5695] <... mprotect resumed>) = 0 [pid 5694] ftruncate(4, 33587195 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5697] <... prctl resumed>) = 0 [pid 5696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5697] setpgid(0, 0 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] <... setpgid resumed>) = 0 [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] <... clone3 resumed> => {parent_tid=[5698]}, 88) = 5698 [pid 5697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5696] <... mmap resumed>) = 0x7fb652e3d000 [pid 5697] <... openat resumed>) = 3 [pid 5696] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5695] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5698 attached [pid 5697] write(3, "1000", 4 [pid 5696] <... mprotect resumed>) = 0 [pid 5695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5697] <... write resumed>) = 4 [pid 5696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5695] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... ftruncate resumed>) = 0 [pid 5698] <... rseq resumed>) = 0 [pid 5697] close(3 [pid 5696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5694] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] set_robust_list(0x7fb652e5d9a0, 24 [pid 5697] <... close resumed>) = 0 [pid 5696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5695] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5694] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] rt_sigprocmask(SIG_SETMASK, [], [pid 5697] <... futex resumed>) = 0 [pid 5696] <... clone3 resumed> => {parent_tid=[5699]}, 88) = 5699 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5696] rt_sigprocmask(SIG_SETMASK, [], [pid 5698] memfd_create("syzkaller", 0 [pid 5697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5694] sendfile(3, 4, NULL, 281474978811909 [pid 5693] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... memfd_create resumed>) = 3 [pid 5697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5696] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5698] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5696] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5699 attached [pid 5698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5699] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5697] <... mmap resumed>) = 0x7fb652e3d000 [pid 5699] <... rseq resumed>) = 0 [pid 5697] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5699] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5697] <... mprotect resumed>) = 0 [pid 5699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5699] memfd_create("syzkaller", 0 [pid 5697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5699] <... memfd_create resumed>) = 3 [pid 5697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 ./strace-static-x86_64: Process 5700 attached [pid 5697] <... clone3 resumed> => {parent_tid=[5700]}, 88) = 5700 [pid 5700] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5697] rt_sigprocmask(SIG_SETMASK, [], [pid 5700] <... rseq resumed>) = 0 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5700] set_robust_list(0x7fb652e5d9a0, 24 [pid 5697] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5697] <... futex resumed>) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] memfd_create("syzkaller", 0) = 3 [pid 5700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5693] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5693] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5693] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5701]}, 88) = 5701 [pid 5693] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5693] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5701 attached [pid 5700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5698] <... write resumed>) = 2097152 [pid 5701] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5698] munmap(0x7fb64aa3d000, 2097152 [pid 5701] <... rseq resumed>) = 0 [pid 5701] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5698] <... munmap resumed>) = 0 [pid 5701] <... set_robust_list resumed>) = 0 [pid 5698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5698] <... openat resumed>) = 4 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5698] ioctl(4, LOOP_SET_FD, 3 [pid 5701] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5698] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5701] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5698] ioctl(4, LOOP_CLR_FD [pid 5701] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... ioctl resumed>) = 0 [pid 5701] <... futex resumed>) = 1 [pid 5699] <... write resumed>) = 2097152 [pid 5693] <... futex resumed>) = 0 [pid 5701] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] munmap(0x7fb64aa3d000, 2097152 [pid 5693] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5698] ioctl(4, LOOP_SET_FD, 3 [pid 5701] lseek(-1, 257, SEEK_SET [pid 5698] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5693] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... munmap resumed>) = 0 [pid 5698] close(4 [pid 5701] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... write resumed>) = 2097152 [pid 5699] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5698] <... close resumed>) = 0 [pid 5701] <... futex resumed>) = 1 [pid 5699] <... openat resumed>) = 4 [pid 5698] close(3 [pid 5693] <... futex resumed>) = 0 [pid 5699] ioctl(4, LOOP_SET_FD, 3 [pid 5693] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5699] ioctl(4, LOOP_CLR_FD) = 0 [pid 5699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5699] close(4) = 0 [pid 5699] close(3 [pid 5701] getdents64(-1, [pid 5700] munmap(0x7fb64aa3d000, 2097152 [pid 5698] <... close resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5701] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5700] <... munmap resumed>) = 0 [pid 5693] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5700] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5698] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] <... openat resumed>) = 4 [pid 5698] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5695] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] ioctl(4, LOOP_SET_FD, 3 [pid 5698] <... open resumed>) = 3 [pid 5695] <... futex resumed>) = 0 [pid 5693] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5700] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5698] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] <... futex resumed>) = 0 [pid 5701] <... openat resumed>) = 5 [pid 5700] ioctl(4, LOOP_CLR_FD [pid 5698] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... ioctl resumed>) = 0 [pid 5698] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5695] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5701] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5700] close(4 [pid 5699] <... close resumed>) = 0 [pid 5700] <... close resumed>) = 0 [pid 5700] close(3 [pid 5699] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... open resumed>) = 4 [pid 5698] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5698] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5698] ftruncate(4, 33587195 [pid 5695] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5699] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5696] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... close resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5699] <... open resumed>) = 3 [pid 5696] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5700] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] <... futex resumed>) = 1 [pid 5697] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... futex resumed>) = 0 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] <... futex resumed>) = 0 [pid 5696] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... ftruncate resumed>) = 0 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] <... futex resumed>) = 0 [pid 5699] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5698] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5698] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5698] sendfile(3, 4, NULL, 281474978811909 [pid 5695] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... open resumed>) = 3 [pid 5699] <... open resumed>) = 4 [pid 5700] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] exit_group(0 [pid 5700] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5691] <... futex resumed>) = ? [pid 5684] <... exit_group resumed>) = ? [pid 5700] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] +++ exited with 0 +++ [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5700] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5699] ftruncate(4, 33587195 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... sendfile resumed>) = ? [pid 5687] +++ exited with 0 +++ [pid 5684] +++ exited with 0 +++ [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5022] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5700] <... open resumed>) = 4 [pid 5699] <... ftruncate resumed>) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5700] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... ioctl resumed>) = 0 [pid 5700] <... futex resumed>) = 1 [pid 5699] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5700] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... close resumed>) = 0 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5700] ftruncate(4, 33587195 [pid 5699] sendfile(3, 4, NULL, 281474978811909 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5695] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5702 [pid 5695] <... futex resumed>) = 0 [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 ./strace-static-x86_64: Process 5702 attached [pid 5695] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5702] set_robust_list(0x5555556096a0, 24 [pid 5695] <... mprotect resumed>) = 0 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5702] <... prctl resumed>) = 0 [pid 5695] <... clone3 resumed> => {parent_tid=[5703]}, 88) = 5703 [pid 5695] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5695] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5695] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5703 attached [pid 5703] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5703] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5686] exit_group(0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5702] setpgid(0, 0 [pid 5692] <... futex resumed>) = ? [pid 5686] <... exit_group resumed>) = ? [pid 5689] <... sendfile resumed>) = ? [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... setpgid resumed>) = 0 [pid 5700] <... ftruncate resumed>) = 0 [pid 5692] +++ exited with 0 +++ [pid 5703] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5689] +++ exited with 0 +++ [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] +++ exited with 0 +++ [pid 5703] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5702] <... openat resumed>) = 3 [pid 5700] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5686, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5703] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] write(3, "1000", 4 [pid 5700] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 1 [pid 5702] <... write resumed>) = 4 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5703] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] close(3 [pid 5700] sendfile(3, 4, NULL, 281474978811909 [pid 5697] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... close resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5703] lseek(-1, 257, SEEK_SET [pid 5702] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... futex resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5703] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5020] <... openat resumed>) = 3 [pid 5703] <... futex resumed>) = 1 [pid 5702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5703] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5695] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... ioctl resumed>) = 0 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5020] close(3 [pid 5703] getdents64(-1, [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] <... close resumed>) = 0 [pid 5703] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5703] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 1 [pid 5702] <... mmap resumed>) = 0x7fb652e3d000 [pid 5696] <... futex resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5704 [pid 5703] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5695] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... mprotect resumed>) = 0 [pid 5696] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5695] <... futex resumed>) = 0 [pid 5703] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5696] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5695] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... openat resumed>) = 5 [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5696] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5704 attached [pid 5703] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5704] set_robust_list(0x5555556096a0, 24 [pid 5703] <... futex resumed>) = 1 [pid 5696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... clone3 resumed> => {parent_tid=[5705]}, 88) = 5705 [pid 5696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] <... prctl resumed>) = 0 [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5696] <... clone3 resumed> => {parent_tid=[5706]}, 88) = 5706 [pid 5704] setpgid(0, 0 [pid 5702] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] <... setpgid resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5702] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5696] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5706 attached [pid 5704] <... openat resumed>) = 3 [pid 5696] <... futex resumed>) = 0 [pid 5706] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5704] write(3, "1000", 4 [pid 5696] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... rseq resumed>) = 0 [pid 5704] <... write resumed>) = 4 ./strace-static-x86_64: Process 5705 attached [pid 5706] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5704] close(3 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5704] <... close resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] <... rseq resumed>) = 0 [pid 5704] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5705] set_robust_list(0x7fb652e5d9a0, 24 [pid 5704] <... futex resumed>) = 0 [pid 5706] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5706] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5706] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5706] <... futex resumed>) = 1 [pid 5705] memfd_create("syzkaller", 0 [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... futex resumed>) = 0 [pid 5706] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... memfd_create resumed>) = 3 [pid 5704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5697] <... futex resumed>) = 0 [pid 5696] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5704] <... mmap resumed>) = 0x7fb652e3d000 [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5696] <... futex resumed>) = 0 [pid 5706] lseek(-1, 257, SEEK_SET [pid 5705] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5704] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5697] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5696] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... mprotect resumed>) = 0 [pid 5706] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5706] <... futex resumed>) = 1 [pid 5704] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5706] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5696] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... futex resumed>) = 0 [pid 5706] getdents64(-1, [pid 5704] <... clone3 resumed> => {parent_tid=[5707]}, 88) = 5707 [pid 5697] <... mprotect resumed>) = 0 [pid 5696] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5706] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5697] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5707 attached [pid 5706] <... futex resumed>) = 1 [pid 5704] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5696] <... futex resumed>) = 0 [pid 5707] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5706] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] <... futex resumed>) = 0 [pid 5696] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... rseq resumed>) = 0 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] <... clone3 resumed> => {parent_tid=[5708]}, 88) = 5708 [pid 5696] <... futex resumed>) = 0 [pid 5707] set_robust_list(0x7fb652e5d9a0, 24 [pid 5706] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5697] rt_sigprocmask(SIG_SETMASK, [], [pid 5696] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5708 attached [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] <... openat resumed>) = 5 [pid 5697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5707] rt_sigprocmask(SIG_SETMASK, [], [pid 5706] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... rseq resumed>) = 0 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] <... futex resumed>) = 1 [pid 5705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5708] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5707] memfd_create("syzkaller", 0 [pid 5706] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... set_robust_list resumed>) = 0 [pid 5707] <... memfd_create resumed>) = 3 [pid 5708] rt_sigprocmask(SIG_SETMASK, [], [pid 5707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5708] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5707] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5708] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5708] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5708] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5708] lseek(-1, 257, SEEK_SET [pid 5697] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5708] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5708] getdents64(-1, [pid 5697] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5708] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5708] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5708] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5697] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... openat resumed>) = 5 [pid 5707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5708] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5708] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] <... write resumed>) = 2097152 [pid 5707] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5707] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5707] ioctl(4, LOOP_CLR_FD [pid 5705] <... write resumed>) = 2097152 [pid 5707] <... ioctl resumed>) = 0 [pid 5705] munmap(0x7fb64aa3d000, 2097152 [pid 5707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5707] close(4 [pid 5705] <... munmap resumed>) = 0 [pid 5707] <... close resumed>) = 0 [pid 5707] close(3) = 0 [pid 5705] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5707] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] ioctl(4, LOOP_CLR_FD) = 0 [pid 5707] <... futex resumed>) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5707] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5704] <... futex resumed>) = 0 [pid 5707] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5705] close(4 [pid 5704] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... close resumed>) = 0 [pid 5705] close(3 [pid 5707] <... open resumed>) = 3 [pid 5707] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5707] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... futex resumed>) = 0 [pid 5707] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5704] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... close resumed>) = 0 [pid 5705] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... open resumed>) = 4 [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5707] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5707] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5704] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... open resumed>) = 3 [pid 5704] <... futex resumed>) = 0 [pid 5707] ftruncate(4, 33587195 [pid 5705] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5705] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5705] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5702] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] <... ftruncate resumed>) = 0 [pid 5707] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5707] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... futex resumed>) = 0 [pid 5707] sendfile(3, 4, NULL, 281474978811909 [pid 5704] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... open resumed>) = 4 [pid 5705] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5705] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5705] ftruncate(4, 33587195 [pid 5702] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] exit_group(0 [pid 5701] <... futex resumed>) = ? [pid 5693] <... exit_group resumed>) = ? [pid 5701] +++ exited with 0 +++ [pid 5694] <... sendfile resumed>) = ? [pid 5694] +++ exited with 0 +++ [pid 5693] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5693, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5705] <... ftruncate resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5705] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5027] <... ioctl resumed>) = 0 [pid 5705] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] close(3 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5709 ./strace-static-x86_64: Process 5709 attached [pid 5705] sendfile(3, 4, NULL, 281474978811909 [pid 5702] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] set_robust_list(0x5555556096a0, 24 [pid 5704] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5709] <... prctl resumed>) = 0 [pid 5704] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5709] setpgid(0, 0 [pid 5704] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5709] <... setpgid resumed>) = 0 [pid 5704] <... mprotect resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5709] <... openat resumed>) = 3 [pid 5704] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5709] write(3, "1000", 4 [pid 5704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5709] <... write resumed>) = 4 [pid 5709] close(3 [pid 5704] <... clone3 resumed> => {parent_tid=[5710]}, 88) = 5710 [pid 5709] <... close resumed>) = 0 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5704] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5710 attached [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5704] <... futex resumed>) = 0 [pid 5710] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5704] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... rseq resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5710] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] <... mmap resumed>) = 0x7fb652e3d000 [pid 5710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5709] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5710] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5709] <... mprotect resumed>) = 0 [pid 5710] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5710] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5704] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5711 attached [pid 5710] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... clone3 resumed> => {parent_tid=[5711]}, 88) = 5711 [pid 5704] <... futex resumed>) = 0 [pid 5711] <... rseq resumed>) = 0 [pid 5710] lseek(-1, 257, SEEK_SET [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5704] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] set_robust_list(0x7fb652e5d9a0, 24 [pid 5710] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] rt_sigprocmask(SIG_SETMASK, [], [pid 5710] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5710] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5711] memfd_create("syzkaller", 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... futex resumed>) = 0 [pid 5702] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... memfd_create resumed>) = 3 [pid 5710] getdents64(-1, [pid 5704] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... futex resumed>) = 0 [pid 5711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5710] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5710] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5711] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5710] <... futex resumed>) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5702] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5710] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... mprotect resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... futex resumed>) = 0 [pid 5702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5710] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5704] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5710] <... openat resumed>) = 5 [pid 5702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5710] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5704] <... futex resumed>) = 0 [pid 5710] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... clone3 resumed> => {parent_tid=[5712]}, 88) = 5712 [pid 5702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5702] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5702] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5712 attached [pid 5712] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5712] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5712] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5712] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5712] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5702] <... futex resumed>) = 0 [pid 5712] lseek(-1, 257, SEEK_SET [pid 5702] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5712] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5712] getdents64(-1, [pid 5702] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5712] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5712] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5712] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5702] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5712] <... openat resumed>) = 5 [pid 5712] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5712] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] <... write resumed>) = 2097152 [pid 5711] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5711] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5695] exit_group(0 [pid 5711] ioctl(4, LOOP_SET_FD, 3 [pid 5703] <... futex resumed>) = ? [pid 5695] <... exit_group resumed>) = ? [pid 5711] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5703] +++ exited with 0 +++ [pid 5711] ioctl(4, LOOP_CLR_FD) = 0 [pid 5711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5711] close(4) = 0 [pid 5711] close(3 [pid 5698] <... sendfile resumed>) = ? [pid 5698] +++ exited with 0 +++ [pid 5695] +++ exited with 0 +++ [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5695, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5696] exit_group(0 [pid 5706] <... futex resumed>) = ? [pid 5696] <... exit_group resumed>) = ? [pid 5706] +++ exited with 0 +++ [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5025] close(3 [pid 5699] <... sendfile resumed>) = ? [pid 5025] <... close resumed>) = 0 [pid 5699] +++ exited with 0 +++ [pid 5696] +++ exited with 0 +++ [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5711] <... close resumed>) = 0 ./strace-static-x86_64: Process 5713 attached [pid 5711] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5696, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5713] set_robust_list(0x5555556096a0, 24 [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5713 [pid 5019] restart_syscall(<... resuming interrupted clone ...> [pid 5713] <... set_robust_list resumed>) = 0 [pid 5711] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... restart_syscall resumed>) = 0 [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5713] <... prctl resumed>) = 0 [pid 5711] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5709] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] setpgid(0, 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5713] <... setpgid resumed>) = 0 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5019] <... openat resumed>) = 3 [pid 5713] <... openat resumed>) = 3 [pid 5713] write(3, "1000", 4 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5713] <... write resumed>) = 4 [pid 5713] close(3 [pid 5019] <... ioctl resumed>) = 0 [pid 5713] <... close resumed>) = 0 [pid 5019] close(3 [pid 5713] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... close resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5713] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5714 [pid 5713] <... mmap resumed>) = 0x7fb652e3d000 [pid 5713] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5715]}, 88) = 5715 [pid 5711] <... open resumed>) = 3 [pid 5713] rt_sigprocmask(SIG_SETMASK, [], [pid 5711] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5714 attached [pid 5713] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5714] set_robust_list(0x5555556096a0, 24 [pid 5713] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5711] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5709] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5715 attached [pid 5714] <... set_robust_list resumed>) = 0 [pid 5715] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5714] setpgid(0, 0 [pid 5715] <... rseq resumed>) = 0 [pid 5714] <... setpgid resumed>) = 0 [pid 5715] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5714] <... openat resumed>) = 3 [pid 5715] memfd_create("syzkaller", 0 [pid 5714] write(3, "1000", 4 [pid 5711] <... open resumed>) = 4 [pid 5715] <... memfd_create resumed>) = 3 [pid 5714] <... write resumed>) = 4 [pid 5711] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] exit_group(0 [pid 5715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5714] close(3 [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... futex resumed>) = ? [pid 5697] <... exit_group resumed>) = ? [pid 5715] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5714] <... close resumed>) = 0 [pid 5711] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... sendfile resumed>) = ? [pid 5708] +++ exited with 0 +++ [pid 5714] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5714] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5711] ftruncate(4, 33587195 [pid 5709] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5714] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5697, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5021] <... restart_syscall resumed>) = 0 [pid 5714] <... mmap resumed>) = 0x7fb652e3d000 [pid 5714] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5021] <... openat resumed>) = 3 [pid 5714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5021] <... ioctl resumed>) = 0 [pid 5021] close(3./strace-static-x86_64: Process 5716 attached [pid 5715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5714] <... clone3 resumed> => {parent_tid=[5716]}, 88) = 5716 [pid 5021] <... close resumed>) = 0 [pid 5716] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], [pid 5711] <... ftruncate resumed>) = 0 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5716] <... rseq resumed>) = 0 [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] set_robust_list(0x7fb652e5d9a0, 24 [pid 5714] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5717 attached [pid 5716] <... set_robust_list resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5711] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5717 [pid 5717] set_robust_list(0x5555556096a0, 24 [pid 5716] rt_sigprocmask(SIG_SETMASK, [], [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5711] sendfile(3, 4, NULL, 281474978811909 [pid 5709] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] memfd_create("syzkaller", 0) = 3 [pid 5716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5714] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5717] setpgid(0, 0) = 0 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5717] write(3, "1000", 4) = 4 [pid 5717] close(3) = 0 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5717] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5718]}, 88) = 5718 [pid 5717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5717] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5718 attached [pid 5715] <... write resumed>) = 2097152 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5718] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5709] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5718] <... rseq resumed>) = 0 [pid 5715] munmap(0x7fb64aa3d000, 2097152 [pid 5709] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5718] set_robust_list(0x7fb652e5d9a0, 24 [pid 5709] <... mprotect resumed>) = 0 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5718] rt_sigprocmask(SIG_SETMASK, [], [pid 5709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... write resumed>) = 2097152 [pid 5715] <... munmap resumed>) = 0 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5718] memfd_create("syzkaller", 0 [pid 5716] munmap(0x7fb64aa3d000, 2097152./strace-static-x86_64: Process 5719 attached [pid 5718] <... memfd_create resumed>) = 3 [pid 5715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5709] <... clone3 resumed> => {parent_tid=[5719]}, 88) = 5719 [pid 5719] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5715] <... openat resumed>) = 4 [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5719] <... rseq resumed>) = 0 [pid 5718] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5716] <... munmap resumed>) = 0 [pid 5715] ioctl(4, LOOP_SET_FD, 3 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5719] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5716] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5715] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5709] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5716] <... openat resumed>) = 4 [pid 5715] ioctl(4, LOOP_CLR_FD [pid 5709] <... futex resumed>) = 0 [pid 5719] rt_sigprocmask(SIG_SETMASK, [], [pid 5716] ioctl(4, LOOP_SET_FD, 3 [pid 5715] <... ioctl resumed>) = 0 [pid 5709] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5716] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5719] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5716] ioctl(4, LOOP_CLR_FD [pid 5719] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5716] <... ioctl resumed>) = 0 [pid 5719] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] ioctl(4, LOOP_SET_FD, 3 [pid 5719] <... futex resumed>) = 1 [pid 5715] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5709] <... futex resumed>) = 0 [pid 5719] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] close(4 [pid 5709] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5718] <... write resumed>) = 2097152 [pid 5716] ioctl(4, LOOP_SET_FD, 3 [pid 5715] <... close resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5719] lseek(-1, 257, SEEK_SET [pid 5718] munmap(0x7fb64aa3d000, 2097152 [pid 5715] close(3 [pid 5709] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5719] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... munmap resumed>) = 0 [pid 5716] close(4 [pid 5719] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5716] <... close resumed>) = 0 [pid 5715] <... close resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5719] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = 1 [pid 5713] <... futex resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5719] getdents64(-1, [pid 5715] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5713] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5713] <... futex resumed>) = 0 [pid 5719] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... futex resumed>) = 1 [pid 5718] <... openat resumed>) = 4 [pid 5716] close(3 [pid 5709] <... futex resumed>) = 0 [pid 5719] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5719] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5709] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... openat resumed>) = 5 [pid 5719] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5719] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] ioctl(4, LOOP_SET_FD, 3 [pid 5716] <... close resumed>) = 0 [pid 5718] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5716] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] ioctl(4, LOOP_CLR_FD [pid 5716] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5718] <... ioctl resumed>) = 0 [pid 5716] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5716] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5715] <... open resumed>) = 3 [pid 5714] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] ioctl(4, LOOP_SET_FD, 3 [pid 5715] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5715] <... futex resumed>) = 1 [pid 5713] <... futex resumed>) = 0 [pid 5718] close(4 [pid 5715] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5713] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... close resumed>) = 0 [pid 5718] close(3) = 0 [pid 5718] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5715] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5713] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] <... futex resumed>) = 0 [pid 5716] <... open resumed>) = 3 [pid 5718] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5716] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5716] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5714] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... open resumed>) = 4 [pid 5715] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5713] <... futex resumed>) = 0 [pid 5715] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5713] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... open resumed>) = 3 [pid 5716] <... open resumed>) = 4 [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] <... futex resumed>) = 0 [pid 5718] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] ftruncate(4, 33587195 [pid 5713] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5718] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] exit_group(0 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = ? [pid 5704] <... exit_group resumed>) = ? [pid 5718] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] ftruncate(4, 33587195 [pid 5714] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] +++ exited with 0 +++ [pid 5707] <... sendfile resumed>) = ? [pid 5707] +++ exited with 0 +++ [pid 5704] +++ exited with 0 +++ [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5704, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5718] <... open resumed>) = 4 [pid 5715] <... ftruncate resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5716] <... ftruncate resumed>) = 0 [pid 5715] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] close(3 [pid 5718] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = 1 [pid 5713] <... futex resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = 1 [pid 5715] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = 0 [pid 5713] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5718] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] <... futex resumed>) = 0 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5718] ftruncate(4, 33587195 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] sendfile(3, 4, NULL, 281474978811909 [pid 5715] sendfile(3, 4, NULL, 281474978811909 [pid 5714] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5720 [pid 5702] exit_group(0 [pid 5712] <... futex resumed>) = ? [pid 5702] <... exit_group resumed>) = ? [pid 5712] +++ exited with 0 +++ ./strace-static-x86_64: Process 5720 attached [pid 5720] set_robust_list(0x5555556096a0, 24) = 0 [pid 5720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5720] setpgid(0, 0) = 0 [pid 5720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5720] write(3, "1000", 4) = 4 [pid 5720] close(3) = 0 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5720] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5720] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5721]}, 88) = 5721 [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] <... sendfile resumed>) = ? [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5718] <... ftruncate resumed>) = 0 [pid 5705] +++ exited with 0 +++ [pid 5702] +++ exited with 0 +++ [pid 5720] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5702, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5720] <... futex resumed>) = 0 [pid 5718] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5718] sendfile(3, 4, NULL, 281474978811909 [pid 5717] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5721 attached [pid 5721] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5721] set_robust_list(0x7fb652e5d9a0, 24 [pid 5022] <... openat resumed>) = 3 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_SETMASK, [], [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5022] <... ioctl resumed>) = 0 [pid 5721] memfd_create("syzkaller", 0) = 3 [pid 5022] close(3 [pid 5721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5022] <... close resumed>) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5722 [pid 5721] <... mmap resumed>) = 0x7fb64aa3d000 ./strace-static-x86_64: Process 5722 attached [pid 5722] set_robust_list(0x5555556096a0, 24) = 0 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5722] setpgid(0, 0) = 0 [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5714] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5722] <... openat resumed>) = 3 [pid 5714] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5722] write(3, "1000", 4 [pid 5714] <... futex resumed>) = 0 [pid 5713] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... write resumed>) = 4 [pid 5714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] <... futex resumed>) = 0 [pid 5722] close(3 [pid 5714] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5722] <... close resumed>) = 0 [pid 5714] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5713] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5722] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5714] <... mprotect resumed>) = 0 [pid 5713] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5722] <... futex resumed>) = 0 [pid 5714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5713] <... mprotect resumed>) = 0 [pid 5722] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5722] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5717] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5717] <... futex resumed>) = 0 [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5714] <... clone3 resumed> => {parent_tid=[5723]}, 88) = 5723 [pid 5713] <... clone3 resumed> => {parent_tid=[5724]}, 88) = 5724 [pid 5722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5717] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], [pid 5713] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5723 attached [pid 5722] <... mmap resumed>) = 0x7fb652e3d000 [pid 5717] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5713] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5724 attached [pid 5723] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5722] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5717] <... mprotect resumed>) = 0 [pid 5714] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5723] <... rseq resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5724] <... rseq resumed>) = 0 [pid 5723] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5722] <... mprotect resumed>) = 0 [pid 5717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5714] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5723] <... set_robust_list resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5724] rt_sigprocmask(SIG_SETMASK, [], [pid 5723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5723] openat(AT_FDCWD, "./file0", O_RDONLY./strace-static-x86_64: Process 5726 attached ./strace-static-x86_64: Process 5725 attached [pid 5724] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5723] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5717] <... clone3 resumed> => {parent_tid=[5725]}, 88) = 5725 [pid 5725] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5724] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5723] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... clone3 resumed> => {parent_tid=[5726]}, 88) = 5726 [pid 5717] rt_sigprocmask(SIG_SETMASK, [], [pid 5726] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5724] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 1 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5725] <... rseq resumed>) = 0 [pid 5726] <... rseq resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5723] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5717] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5725] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5726] set_robust_list(0x7fb652e5d9a0, 24 [pid 5724] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5713] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] lseek(-1, 257, SEEK_SET [pid 5722] <... futex resumed>) = 0 [pid 5717] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] <... futex resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5724] lseek(-1, 257, SEEK_SET [pid 5723] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5713] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5724] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] memfd_create("syzkaller", 0 [pid 5725] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5724] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5726] <... memfd_create resumed>) = 3 [pid 5725] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5724] <... futex resumed>) = 1 [pid 5723] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5725] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] <... futex resumed>) = 0 [pid 5713] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] getdents64(-1, [pid 5717] <... futex resumed>) = 0 [pid 5714] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] <... futex resumed>) = 0 [pid 5725] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] getdents64(-1, [pid 5723] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5721] <... write resumed>) = 2097152 [pid 5717] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5723] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] munmap(0x7fb64aa3d000, 2097152 [pid 5717] <... futex resumed>) = 0 [pid 5726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5725] lseek(-1, 257, SEEK_SET [pid 5724] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 1 [pid 5717] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 [pid 5725] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5724] <... futex resumed>) = 1 [pid 5723] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... munmap resumed>) = 0 [pid 5714] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... futex resumed>) = 0 [pid 5725] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5714] <... futex resumed>) = 0 [pid 5713] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5721] <... openat resumed>) = 4 [pid 5717] <... futex resumed>) = 0 [pid 5714] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] <... futex resumed>) = 0 [pid 5725] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5723] <... openat resumed>) = 5 [pid 5721] ioctl(4, LOOP_SET_FD, 3 [pid 5717] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... openat resumed>) = 5 [pid 5723] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5717] <... futex resumed>) = 0 [pid 5725] getdents64(-1, [pid 5724] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 1 [pid 5721] ioctl(4, LOOP_CLR_FD [pid 5717] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 [pid 5725] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5724] <... futex resumed>) = 1 [pid 5723] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... ioctl resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5725] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] <... futex resumed>) = 1 [pid 5717] <... futex resumed>) = 0 [pid 5725] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] ioctl(4, LOOP_SET_FD, 3 [pid 5717] <... futex resumed>) = 0 [pid 5725] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5721] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5717] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... openat resumed>) = 5 [pid 5721] close(4 [pid 5726] <... write resumed>) = 2097152 [pid 5725] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... close resumed>) = 0 [pid 5726] munmap(0x7fb64aa3d000, 2097152 [pid 5725] <... futex resumed>) = 1 [pid 5721] close(3 [pid 5717] <... futex resumed>) = 0 [pid 5726] <... munmap resumed>) = 0 [pid 5725] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5726] ioctl(4, LOOP_CLR_FD) = 0 [pid 5726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5726] close(4) = 0 [pid 5726] close(3) = 0 [pid 5721] <... close resumed>) = 0 [pid 5726] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] <... futex resumed>) = 0 [pid 5721] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5720] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5722] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5720] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5720] <... futex resumed>) = 0 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... open resumed>) = 3 [pid 5721] <... open resumed>) = 3 [pid 5726] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5720] <... futex resumed>) = 0 [pid 5726] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] <... futex resumed>) = 0 [pid 5726] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5722] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... open resumed>) = 4 [pid 5721] <... open resumed>) = 4 [pid 5726] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5720] <... futex resumed>) = 0 [pid 5726] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] <... futex resumed>) = 0 [pid 5726] ftruncate(4, 33587195 [pid 5722] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] ftruncate(4, 33587195 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... ftruncate resumed>) = 0 [pid 5721] <... ftruncate resumed>) = 0 [pid 5726] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] exit_group(0 [pid 5726] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = 1 [pid 5720] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = ? [pid 5709] <... exit_group resumed>) = ? [pid 5726] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] +++ exited with 0 +++ [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5720] <... futex resumed>) = 0 [pid 5726] sendfile(3, 4, NULL, 281474978811909 [pid 5722] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5721] sendfile(3, 4, NULL, 281474978811909 [pid 5720] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] <... sendfile resumed>) = ? [pid 5711] +++ exited with 0 +++ [pid 5709] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5727 ./strace-static-x86_64: Process 5727 attached [pid 5727] set_robust_list(0x5555556096a0, 24) = 0 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5727] setpgid(0, 0) = 0 [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5727] write(3, "1000", 4) = 4 [pid 5727] close(3) = 0 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5727] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5722] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5720] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5722] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... clone3 resumed> => {parent_tid=[5728]}, 88) = 5728 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5720] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5727] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5720] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5727] <... futex resumed>) = 0 [pid 5722] <... mprotect resumed>) = 0 [pid 5720] <... mprotect resumed>) = 0 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5720] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5728 attached [pid 5722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5720] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5728] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5728] <... rseq resumed>) = 0 [pid 5728] set_robust_list(0x7fb652e5d9a0, 24 [pid 5722] <... clone3 resumed> => {parent_tid=[5729]}, 88) = 5729 [pid 5720] <... clone3 resumed> => {parent_tid=[5730]}, 88) = 5730 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5728] rt_sigprocmask(SIG_SETMASK, [], [pid 5722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5730 attached [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5722] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5728] memfd_create("syzkaller", 0 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5730] <... rseq resumed>) = 0 [pid 5728] <... memfd_create resumed>) = 3 [pid 5722] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5728] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5728] <... mmap resumed>) = 0x7fb64aa3d000 ./strace-static-x86_64: Process 5729 attached [pid 5730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5730] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5729] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5730] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5730] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... rseq resumed>) = 0 [pid 5730] <... futex resumed>) = 1 [pid 5729] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5720] <... futex resumed>) = 0 [pid 5730] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] <... set_robust_list resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5730] lseek(-1, 257, SEEK_SET [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5728] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5730] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5730] <... futex resumed>) = 1 [pid 5729] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5720] <... futex resumed>) = 0 [pid 5730] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5730] getdents64(-1, [pid 5729] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5730] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] lseek(-1, 257, SEEK_SET [pid 5722] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... futex resumed>) = 1 [pid 5729] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] <... futex resumed>) = 0 [pid 5730] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5729] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5730] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5729] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5730] <... openat resumed>) = 5 [pid 5729] getdents64(-1, [pid 5722] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5730] <... futex resumed>) = 1 [pid 5729] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = 0 [pid 5730] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5729] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5729] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5722] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... openat resumed>) = 5 [pid 5728] <... write resumed>) = 2097152 [pid 5729] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] munmap(0x7fb64aa3d000, 2097152 [pid 5729] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5729] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] <... munmap resumed>) = 0 [pid 5728] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5728] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5728] ioctl(4, LOOP_CLR_FD) = 0 [pid 5728] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5728] close(4) = 0 [pid 5728] close(3) = 0 [pid 5728] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5728] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5727] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] <... open resumed>) = 3 [pid 5714] exit_group(0 [pid 5728] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = ? [pid 5714] <... exit_group resumed>) = ? [pid 5728] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5723] +++ exited with 0 +++ [pid 5728] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] <... futex resumed>) = 0 [pid 5728] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] exit_group(0 [pid 5724] <... futex resumed>) = ? [pid 5713] <... exit_group resumed>) = ? [pid 5724] +++ exited with 0 +++ [pid 5716] <... sendfile resumed>) = ? [pid 5716] +++ exited with 0 +++ [pid 5714] +++ exited with 0 +++ [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5714, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5717] exit_group(0 [pid 5019] <... ioctl resumed>) = 0 [pid 5728] <... open resumed>) = 4 [pid 5725] <... futex resumed>) = ? [pid 5718] <... sendfile resumed>) = ? [pid 5717] <... exit_group resumed>) = ? [pid 5715] <... sendfile resumed>) = ? [pid 5019] close(3 [pid 5728] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] +++ exited with 0 +++ [pid 5718] +++ exited with 0 +++ [pid 5717] +++ exited with 0 +++ [pid 5715] +++ exited with 0 +++ [pid 5713] +++ exited with 0 +++ [pid 5019] <... close resumed>) = 0 [pid 5728] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5728] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] <... futex resumed>) = 0 [pid 5728] ftruncate(4, 33587195 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5713, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5025] ioctl(3, LOOP_CLR_FD) = 0 [pid 5025] close(3) = 0 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5731 attached [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] set_robust_list(0x5555556096a0, 24 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5731 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5717, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5731] <... set_robust_list resumed>) = 0 [pid 5021] restart_syscall(<... resuming interrupted clone ...> [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... restart_syscall resumed>) = 0 [pid 5731] <... prctl resumed>) = 0 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5732 [pid 5728] <... ftruncate resumed>) = 0 [pid 5731] setpgid(0, 0 [pid 5728] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5732 attached [pid 5731] <... setpgid resumed>) = 0 [pid 5728] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5732] set_robust_list(0x5555556096a0, 24 [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5728] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5731] <... openat resumed>) = 3 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5727] <... futex resumed>) = 0 [pid 5021] <... openat resumed>) = 3 [pid 5732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5731] write(3, "1000", 4 [pid 5728] sendfile(3, 4, NULL, 281474978811909 [pid 5727] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] ioctl(3, LOOP_CLR_FD [pid 5732] <... prctl resumed>) = 0 [pid 5731] <... write resumed>) = 4 [pid 5021] <... ioctl resumed>) = 0 [pid 5732] setpgid(0, 0 [pid 5731] close(3 [pid 5021] close(3 [pid 5732] <... setpgid resumed>) = 0 [pid 5731] <... close resumed>) = 0 [pid 5021] <... close resumed>) = 0 [pid 5732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5732] <... openat resumed>) = 3 [pid 5731] <... futex resumed>) = 0 [pid 5732] write(3, "1000", 4 [pid 5731] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5733 [pid 5732] <... write resumed>) = 4 [pid 5731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5732] close(3 [pid 5731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5732] <... close resumed>) = 0 [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5733 attached [pid 5732] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5733] set_robust_list(0x5555556096a0, 24 [pid 5732] <... futex resumed>) = 0 [pid 5731] <... mmap resumed>) = 0x7fb652e3d000 [pid 5731] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} => {parent_tid=[5734]}, 88) = 5734 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5731] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5731] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5733] <... set_robust_list resumed>) = 0 [pid 5732] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, ./strace-static-x86_64: Process 5734 attached [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5732] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5733] <... prctl resumed>) = 0 [pid 5734] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5733] setpgid(0, 0 [pid 5732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5734] <... rseq resumed>) = 0 [pid 5733] <... setpgid resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5734] set_robust_list(0x7fb652e5d9a0, 24 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] <... set_robust_list resumed>) = 0 [pid 5733] <... openat resumed>) = 3 [pid 5734] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] write(3, "1000", 4 [pid 5732] <... mmap resumed>) = 0x7fb652e3d000 [pid 5727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... write resumed>) = 4 [pid 5732] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5727] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] memfd_create("syzkaller", 0 [pid 5733] close(3 [pid 5732] <... mprotect resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5734] <... memfd_create resumed>) = 3 [pid 5733] <... close resumed>) = 0 [pid 5732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5733] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5727] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5734] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5733] <... futex resumed>) = 0 [pid 5732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5727] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5733] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5727] <... mprotect resumed>) = 0 [pid 5733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5732] <... clone3 resumed> => {parent_tid=[5735]}, 88) = 5735 [pid 5727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5735 attached [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5736 attached [pid 5735] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5732] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5735] <... rseq resumed>) = 0 [pid 5733] <... mmap resumed>) = 0x7fb652e3d000 [pid 5732] <... futex resumed>) = 0 [pid 5727] <... clone3 resumed> => {parent_tid=[5736]}, 88) = 5736 [pid 5736] <... rseq resumed>) = 0 [pid 5735] set_robust_list(0x7fb652e5d9a0, 24 [pid 5733] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5732] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5736] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5733] <... mprotect resumed>) = 0 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] <... set_robust_list resumed>) = 0 [pid 5735] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5727] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] rt_sigprocmask(SIG_SETMASK, [], [pid 5735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5735] memfd_create("syzkaller", 0 [pid 5733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5727] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5737 attached [pid 5736] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5735] <... memfd_create resumed>) = 3 [pid 5734] <... write resumed>) = 2097152 [pid 5737] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5736] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5734] munmap(0x7fb64aa3d000, 2097152 [pid 5733] <... clone3 resumed> => {parent_tid=[5737]}, 88) = 5737 [pid 5737] <... rseq resumed>) = 0 [pid 5736] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5734] <... munmap resumed>) = 0 [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5737] set_robust_list(0x7fb652e5d9a0, 24 [pid 5736] <... futex resumed>) = 1 [pid 5734] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5736] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] <... openat resumed>) = 4 [pid 5733] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] rt_sigprocmask(SIG_SETMASK, [], [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5733] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5736] lseek(-1, 257, SEEK_SET [pid 5735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5734] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5733] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5727] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] memfd_create("syzkaller", 0 [pid 5736] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] ioctl(4, LOOP_CLR_FD [pid 5737] <... memfd_create resumed>) = 3 [pid 5736] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... ioctl resumed>) = 0 [pid 5737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5736] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5737] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5736] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5727] <... futex resumed>) = 0 [pid 5736] getdents64(-1, [pid 5734] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5727] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5734] close(4 [pid 5737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5736] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... write resumed>) = 2097152 [pid 5734] <... close resumed>) = 0 [pid 5736] <... futex resumed>) = 1 [pid 5735] munmap(0x7fb64aa3d000, 2097152 [pid 5734] close(3 [pid 5727] <... futex resumed>) = 0 [pid 5736] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... munmap resumed>) = 0 [pid 5727] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5727] <... futex resumed>) = 0 [pid 5736] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5735] <... openat resumed>) = 4 [pid 5727] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... openat resumed>) = 5 [pid 5735] ioctl(4, LOOP_SET_FD, 3 [pid 5734] <... close resumed>) = 0 [pid 5736] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5736] <... futex resumed>) = 1 [pid 5735] ioctl(4, LOOP_CLR_FD [pid 5727] <... futex resumed>) = 0 [pid 5736] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... ioctl resumed>) = 0 [pid 5734] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5735] ioctl(4, LOOP_SET_FD, 3 [pid 5734] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5731] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5731] <... futex resumed>) = 0 [pid 5735] close(4 [pid 5731] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... close resumed>) = 0 [pid 5735] close(3 [pid 5734] <... open resumed>) = 3 [pid 5734] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5734] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... futex resumed>) = 0 [pid 5734] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5731] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... close resumed>) = 0 [pid 5735] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5735] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5735] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5732] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... write resumed>) = 2097152 [pid 5737] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5737] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5737] ioctl(4, LOOP_SET_FD, 3 [pid 5735] <... open resumed>) = 3 [pid 5734] <... open resumed>) = 4 [pid 5737] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5735] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] ioctl(4, LOOP_CLR_FD [pid 5735] <... futex resumed>) = 1 [pid 5734] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5737] <... ioctl resumed>) = 0 [pid 5735] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5735] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5734] ftruncate(4, 33587195 [pid 5732] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] ioctl(4, LOOP_SET_FD, 3 [pid 5734] <... ftruncate resumed>) = 0 [pid 5737] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5734] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] close(4 [pid 5735] <... open resumed>) = 4 [pid 5734] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5737] <... close resumed>) = 0 [pid 5735] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] close(3 [pid 5735] <... futex resumed>) = 1 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5737] <... close resumed>) = 0 [pid 5735] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] sendfile(3, 4, NULL, 281474978811909 [pid 5732] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5735] ftruncate(4, 33587195 [pid 5732] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5737] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5733] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... ftruncate resumed>) = 0 [pid 5735] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5735] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5735] sendfile(3, 4, NULL, 281474978811909 [pid 5732] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... open resumed>) = 3 [pid 5737] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5737] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5737] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5733] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5731] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5731] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5737] <... open resumed>) = 4 [pid 5731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5737] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5738 attached [pid 5737] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5737] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5733] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... clone3 resumed> => {parent_tid=[5738]}, 88) = 5738 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5731] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... rseq resumed>) = 0 [pid 5737] ftruncate(4, 33587195 [pid 5733] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... futex resumed>) = 0 [pid 5738] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5731] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... set_robust_list resumed>) = 0 [pid 5738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5738] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5738] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5731] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5731] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] lseek(-1, 257, SEEK_SET [pid 5722] exit_group(0 [pid 5729] <... futex resumed>) = ? [pid 5722] <... exit_group resumed>) = ? [pid 5729] +++ exited with 0 +++ [pid 5738] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... ftruncate resumed>) = 0 [pid 5738] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5737] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5720] exit_group(0 [pid 5738] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5726] <... sendfile resumed>) = ? [pid 5738] getdents64(-1, [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5732] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = ? [pid 5726] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 5720] <... exit_group resumed>) = ? [pid 5738] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5737] sendfile(3, 4, NULL, 281474978811909 [pid 5733] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5730] +++ exited with 0 +++ [pid 5738] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... futex resumed>) = 0 [pid 5732] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5738] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5731] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... mprotect resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5738] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5731] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5022] <... openat resumed>) = 3 [pid 5738] <... openat resumed>) = 5 [pid 5732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5022] ioctl(3, LOOP_CLR_FD [pid 5738] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5022] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5739 attached [pid 5738] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5022] close(3 [pid 5738] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] <... clone3 resumed> => {parent_tid=[5739]}, 88) = 5739 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5721] <... sendfile resumed>) = ? [pid 5022] <... close resumed>) = 0 [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5721] +++ exited with 0 +++ [pid 5720] +++ exited with 0 +++ [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5732] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5732] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5720, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5740 [pid 5020] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5740 attached [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5740] set_robust_list(0x5555556096a0, 24) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5739] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5740] <... prctl resumed>) = 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5740] setpgid(0, 0 [pid 5739] <... rseq resumed>) = 0 [pid 5020] close(3 [pid 5740] <... setpgid resumed>) = 0 [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5739] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5020] <... close resumed>) = 0 [pid 5740] <... openat resumed>) = 3 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5740] write(3, "1000", 4) = 4 [pid 5740] close(3 [pid 5739] rt_sigprocmask(SIG_SETMASK, [], [pid 5740] <... close resumed>) = 0 [pid 5740] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5020] <... clone resumed>, child_tidptr=0x555555609690) = 5741 [pid 5740] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5739] openat(AT_FDCWD, "./file0", O_RDONLY./strace-static-x86_64: Process 5741 attached [pid 5740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5739] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5741] set_robust_list(0x5555556096a0, 24 [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5739] <... futex resumed>) = 1 [pid 5732] <... futex resumed>) = 0 [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] <... mmap resumed>) = 0x7fb652e3d000 [pid 5739] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... prctl resumed>) = 0 [pid 5740] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5741] setpgid(0, 0 [pid 5740] <... mprotect resumed>) = 0 [pid 5739] lseek(-1, 257, SEEK_SET [pid 5732] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] <... setpgid resumed>) = 0 [pid 5740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5739] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5739] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... openat resumed>) = 3 [pid 5740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5739] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5741] write(3, "1000", 4 [pid 5739] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5732] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... write resumed>) = 4 [pid 5740] <... clone3 resumed> => {parent_tid=[5743]}, 88) = 5743 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5732] <... futex resumed>) = 0 [pid 5741] close(3 [pid 5740] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] getdents64(-1, [pid 5733] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5732] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] <... close resumed>) = 0 [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5733] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5743 attached [pid 5741] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5743] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5739] <... futex resumed>) = 1 [pid 5733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5743] <... rseq resumed>) = 0 [pid 5741] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5740] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5739] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5732] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] set_robust_list(0x7fb652e5d9a0, 24 [pid 5741] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] <... futex resumed>) = 0 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5739] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5733] <... clone3 resumed> => {parent_tid=[5744]}, 88) = 5744 [pid 5732] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] <... openat resumed>) = 5 [pid 5733] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5744 attached [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5739] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5743] memfd_create("syzkaller", 0 [pid 5741] <... mmap resumed>) = 0x7fb652e3d000 [pid 5739] <... futex resumed>) = 1 [pid 5733] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... futex resumed>) = 0 [pid 5744] <... rseq resumed>) = 0 [pid 5743] <... memfd_create resumed>) = 3 [pid 5741] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5739] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... futex resumed>) = 0 [pid 5744] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5741] <... mprotect resumed>) = 0 [pid 5733] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5741] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5744] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5741] <... clone3 resumed> => {parent_tid=[5745]}, 88) = 5745 ./strace-static-x86_64: Process 5745 attached [pid 5744] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5745] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5744] <... futex resumed>) = 1 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5745] <... rseq resumed>) = 0 [pid 5744] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] set_robust_list(0x7fb652e5d9a0, 24 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] lseek(-1, 257, SEEK_SET [pid 5741] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5733] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5745] rt_sigprocmask(SIG_SETMASK, [], [pid 5744] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] memfd_create("syzkaller", 0 [pid 5744] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5745] <... memfd_create resumed>) = 3 [pid 5744] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5745] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5744] getdents64(-1, [pid 5733] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5744] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5744] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5744] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5733] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... openat resumed>) = 5 [pid 5744] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5744] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5743] <... write resumed>) = 2097152 [pid 5743] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5743] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5743] ioctl(4, LOOP_CLR_FD) = 0 [pid 5743] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5743] close(4 [pid 5727] exit_group(0 [pid 5736] <... futex resumed>) = ? [pid 5727] <... exit_group resumed>) = ? [pid 5736] +++ exited with 0 +++ [pid 5743] <... close resumed>) = 0 [pid 5743] close(3 [pid 5728] <... sendfile resumed>) = ? [pid 5728] +++ exited with 0 +++ [pid 5727] +++ exited with 0 +++ [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5027] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5027] ioctl(3, LOOP_CLR_FD) = 0 [pid 5027] close(3) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5743] <... close resumed>) = 0 [pid 5745] <... write resumed>) = 2097152 [pid 5743] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5746 [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5746 attached [pid 5740] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] set_robust_list(0x5555556096a0, 24) = 0 [pid 5746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] <... futex resumed>) = 0 [pid 5743] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5746] <... prctl resumed>) = 0 [pid 5746] setpgid(0, 0) = 0 [pid 5746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5740] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... openat resumed>) = 3 [pid 5746] write(3, "1000", 4) = 4 [pid 5746] close(3) = 0 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5746] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5745] munmap(0x7fb64aa3d000, 2097152 [pid 5746] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5745] <... munmap resumed>) = 0 [pid 5746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5745] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5746] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5745] <... openat resumed>) = 4 [pid 5746] <... mprotect resumed>) = 0 [pid 5745] ioctl(4, LOOP_SET_FD, 3 [pid 5743] <... open resumed>) = 3 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5745] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5743] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5745] ioctl(4, LOOP_CLR_FD [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5745] <... ioctl resumed>) = 0 [pid 5743] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5746] <... clone3 resumed> => {parent_tid=[5747]}, 88) = 5747 [pid 5740] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5745] ioctl(4, LOOP_SET_FD, 3 [pid 5746] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] <... futex resumed>) = 0 [pid 5745] close(4 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5745] <... close resumed>) = 0 [pid 5745] close(3./strace-static-x86_64: Process 5747 attached [pid 5747] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053) = 0 [pid 5747] set_robust_list(0x7fb652e5d9a0, 24) = 0 [pid 5747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5747] memfd_create("syzkaller", 0) = 3 [pid 5747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5743] <... open resumed>) = 4 [pid 5743] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... close resumed>) = 0 [pid 5743] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5745] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5745] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5741] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5743] ftruncate(4, 33587195 [pid 5741] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5745] <... open resumed>) = 3 [pid 5745] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5745] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5745] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5743] <... ftruncate resumed>) = 0 [pid 5741] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5743] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5743] sendfile(3, 4, NULL, 281474978811909 [pid 5740] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5745] <... open resumed>) = 4 [pid 5745] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5745] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5745] ftruncate(4, 33587195 [pid 5741] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5747] <... write resumed>) = 2097152 [pid 5745] <... ftruncate resumed>) = 0 [pid 5745] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5745] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5745] sendfile(3, 4, NULL, 281474978811909 [pid 5741] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5740] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5740] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5749 attached [pid 5747] munmap(0x7fb64aa3d000, 2097152 [pid 5749] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5747] <... munmap resumed>) = 0 [pid 5740] <... clone3 resumed> => {parent_tid=[5749]}, 88) = 5749 [pid 5749] <... rseq resumed>) = 0 [pid 5747] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5740] rt_sigprocmask(SIG_SETMASK, [], [pid 5749] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5747] <... openat resumed>) = 4 [pid 5740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5747] ioctl(4, LOOP_SET_FD, 3 [pid 5740] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5747] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5740] <... futex resumed>) = 0 [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] ioctl(4, LOOP_CLR_FD [pid 5740] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5749] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... ioctl resumed>) = 0 [pid 5749] <... futex resumed>) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5749] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5749] lseek(-1, 257, SEEK_SET [pid 5747] ioctl(4, LOOP_SET_FD, 3 [pid 5740] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5747] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5749] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] close(4 [pid 5749] <... futex resumed>) = 1 [pid 5747] <... close resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5749] getdents64(-1, [pid 5747] close(3 [pid 5740] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5740] <... futex resumed>) = 0 [pid 5749] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5740] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 0 [pid 5749] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5740] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] <... openat resumed>) = 5 [pid 5749] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5740] <... futex resumed>) = 0 [pid 5749] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5741] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5741] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5750]}, 88) = 5750 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5741] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5750 attached [pid 5750] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5750] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5750] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 5750] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5750] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5731] exit_group(0 [pid 5750] lseek(-1, 257, SEEK_SET [pid 5741] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... futex resumed>) = ? [pid 5731] <... exit_group resumed>) = ? [pid 5750] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] +++ exited with 0 +++ [pid 5734] <... sendfile resumed>) = ? [pid 5750] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] +++ exited with 0 +++ [pid 5731] +++ exited with 0 +++ [pid 5750] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5731, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5750] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5733] exit_group(0 [pid 5750] getdents64(-1, [pid 5744] <... futex resumed>) = ? [pid 5741] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] <... exit_group resumed>) = ? [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5750] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5744] +++ exited with 0 +++ [pid 5025] <... openat resumed>) = 3 [pid 5750] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5750] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5025] <... ioctl resumed>) = 0 [pid 5750] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] close(3 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5737] <... sendfile resumed>) = ? [pid 5025] <... close resumed>) = 0 [pid 5750] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5741] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] +++ exited with 0 +++ [pid 5747] <... close resumed>) = 0 [pid 5733] +++ exited with 0 +++ [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5750] <... openat resumed>) = 5 [pid 5750] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5733, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5750] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5750] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5747] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5751 [pid 5021] <... openat resumed>) = 3 [pid 5747] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5021] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5751 attached [pid 5747] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5746] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5021] <... ioctl resumed>) = 0 [pid 5751] set_robust_list(0x5555556096a0, 24 [pid 5746] <... futex resumed>) = 0 [pid 5021] close(3 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5021] <... close resumed>) = 0 [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5751] <... prctl resumed>) = 0 [pid 5751] setpgid(0, 0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5752 [pid 5751] <... setpgid resumed>) = 0 [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5752 attached [pid 5751] write(3, "1000", 4 [pid 5747] <... open resumed>) = 3 [pid 5752] set_robust_list(0x5555556096a0, 24 [pid 5751] <... write resumed>) = 4 [pid 5747] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5751] close(3 [pid 5747] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] <... close resumed>) = 0 [pid 5747] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... prctl resumed>) = 0 [pid 5751] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... futex resumed>) = 0 [pid 5752] setpgid(0, 0 [pid 5751] <... futex resumed>) = 0 [pid 5747] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] <... setpgid resumed>) = 0 [pid 5751] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5751] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5752] <... openat resumed>) = 3 [pid 5751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5752] write(3, "1000", 4 [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] <... write resumed>) = 4 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5752] close(3 [pid 5751] <... mmap resumed>) = 0x7fb652e3d000 [pid 5752] <... close resumed>) = 0 [pid 5751] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5752] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... mprotect resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5751] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5752] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5751] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5751] <... clone3 resumed> => {parent_tid=[5753]}, 88) = 5753 [pid 5732] exit_group(0 [pid 5752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5739] <... futex resumed>) = ? [pid 5732] <... exit_group resumed>) = ? [pid 5752] <... mmap resumed>) = 0x7fb652e3d000 [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5739] +++ exited with 0 +++ [pid 5735] <... sendfile resumed>) = ? [pid 5752] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5751] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... mprotect resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5751] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5735] +++ exited with 0 +++ [pid 5732] +++ exited with 0 +++ [pid 5752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5732, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ./strace-static-x86_64: Process 5753 attached ./strace-static-x86_64: Process 5754 attached [pid 5753] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5752] <... clone3 resumed> => {parent_tid=[5754]}, 88) = 5754 [pid 5747] <... open resumed>) = 4 [pid 5754] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5753] <... rseq resumed>) = 0 [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5753] set_robust_list(0x7fb652e5d9a0, 24 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... rseq resumed>) = 0 [pid 5754] set_robust_list(0x7fb652e5d9a0, 24 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5752] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5753] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] <... futex resumed>) = 0 [pid 5746] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] <... openat resumed>) = 3 [pid 5753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5746] <... futex resumed>) = 0 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5753] memfd_create("syzkaller", 0 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] <... ioctl resumed>) = 0 [pid 5753] <... memfd_create resumed>) = 3 [pid 5019] close(3 [pid 5753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5019] <... close resumed>) = 0 [pid 5753] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5747] ftruncate(4, 33587195 [pid 5019] <... clone resumed>, child_tidptr=0x555555609690) = 5755 [pid 5754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5754] memfd_create("syzkaller", 0) = 3 [pid 5754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb64aa3d000 [pid 5747] <... ftruncate resumed>) = 0 [pid 5747] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5747] sendfile(3, 4, NULL, 281474978811909 [pid 5746] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5746] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5755 attached [pid 5755] set_robust_list(0x5555556096a0, 24) = 0 [pid 5755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5755] setpgid(0, 0) = 0 [pid 5755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5755] write(3, "1000", 4) = 4 [pid 5754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5755] close(3) = 0 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5755] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5746] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5755] <... mmap resumed>) = 0x7fb652e3d000 [pid 5746] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5746] <... futex resumed>) = 0 [pid 5755] <... mprotect resumed>) = 0 [pid 5753] <... write resumed>) = 2097152 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5746] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5746] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5753] munmap(0x7fb64aa3d000, 2097152 [pid 5746] <... mprotect resumed>) = 0 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5755] <... clone3 resumed> => {parent_tid=[5756]}, 88) = 5756 [pid 5746] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... clone3 resumed> => {parent_tid=[5757]}, 88) = 5757 [pid 5753] <... munmap resumed>) = 0 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] <... futex resumed>) = 0 [pid 5753] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5753] <... openat resumed>) = 4 [pid 5746] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] ioctl(4, LOOP_SET_FD, 3 [pid 5746] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5757 attached [pid 5753] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5753] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5756 attached [pid 5757] <... rseq resumed>) = 0 [pid 5753] <... ioctl resumed>) = 0 [pid 5757] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5756] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] <... rseq resumed>) = 0 [pid 5757] rt_sigprocmask(SIG_SETMASK, [], [pid 5756] set_robust_list(0x7fb652e5d9a0, 24 [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5753] ioctl(4, LOOP_SET_FD, 3 [pid 5756] <... set_robust_list resumed>) = 0 [pid 5757] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5754] <... write resumed>) = 2097152 [pid 5757] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5753] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5756] rt_sigprocmask(SIG_SETMASK, [], [pid 5754] munmap(0x7fb64aa3d000, 2097152 [pid 5757] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] close(4 [pid 5757] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5757] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... futex resumed>) = 0 [pid 5757] lseek(-1, 257, SEEK_SET [pid 5746] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5757] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5754] <... munmap resumed>) = 0 [pid 5753] <... close resumed>) = 0 [pid 5757] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] memfd_create("syzkaller", 0 [pid 5754] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5753] close(3 [pid 5746] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] <... memfd_create resumed>) = 3 [pid 5754] <... openat resumed>) = 4 [pid 5753] <... close resumed>) = 0 [pid 5756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5754] ioctl(4, LOOP_SET_FD, 3 [pid 5757] getdents64(-1, [pid 5756] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5754] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] <... futex resumed>) = 0 [pid 5757] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5754] ioctl(4, LOOP_CLR_FD [pid 5753] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... ioctl resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5757] <... futex resumed>) = 0 [pid 5753] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = 0 [pid 5757] <... openat resumed>) = 5 [pid 5756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5754] ioctl(4, LOOP_SET_FD, 3 [pid 5753] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5751] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5757] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5757] <... futex resumed>) = 0 [pid 5754] close(4 [pid 5757] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] <... close resumed>) = 0 [pid 5753] <... open resumed>) = 3 [pid 5753] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5754] close(3 [pid 5753] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5753] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5751] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... open resumed>) = 4 [pid 5753] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5754] <... close resumed>) = 0 [pid 5753] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5754] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5753] ftruncate(4, 33587195 [pid 5752] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] <... futex resumed>) = 1 [pid 5752] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... futex resumed>) = 0 [pid 5754] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5753] <... ftruncate resumed>) = 0 [pid 5753] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... futex resumed>) = 0 [pid 5751] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 1 [pid 5753] sendfile(3, 4, NULL, 281474978811909 [pid 5751] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... write resumed>) = 2097152 [pid 5754] <... open resumed>) = 3 [pid 5754] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] munmap(0x7fb64aa3d000, 2097152 [pid 5754] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5754] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5754] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5752] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... munmap resumed>) = 0 [pid 5756] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5756] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5756] ioctl(4, LOOP_CLR_FD) = 0 [pid 5756] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5756] close(4) = 0 [pid 5756] close(3 [pid 5754] <... open resumed>) = 4 [pid 5754] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5754] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... close resumed>) = 0 [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5754] ftruncate(4, 33587195 [pid 5752] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = 0 [pid 5755] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5756] <... futex resumed>) = 1 [pid 5756] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5751] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5751] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5751] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0}./strace-static-x86_64: Process 5758 attached [pid 5758] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5754] <... ftruncate resumed>) = 0 [pid 5751] <... clone3 resumed> => {parent_tid=[5758]}, 88) = 5758 [pid 5758] <... rseq resumed>) = 0 [pid 5754] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5758] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5754] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5758] <... set_robust_list resumed>) = 0 [pid 5756] <... open resumed>) = 3 [pid 5754] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] rt_sigprocmask(SIG_SETMASK, [], [pid 5756] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 0 [pid 5754] sendfile(3, 4, NULL, 281474978811909 [pid 5752] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5756] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5755] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5755] <... futex resumed>) = 0 [pid 5758] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5758] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5758] lseek(-1, 257, SEEK_SET [pid 5751] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5758] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] exit_group(0 [pid 5758] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = ? [pid 5740] <... exit_group resumed>) = ? [pid 5758] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] +++ exited with 0 +++ [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] getdents64(-1, 0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5756] <... open resumed>) = 4 [pid 5751] <... futex resumed>) = 0 [pid 5743] <... sendfile resumed>) = ? [pid 5758] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] <... futex resumed>) = 0 [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] +++ exited with 0 +++ [pid 5740] +++ exited with 0 +++ [pid 5758] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5740, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5758] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5756] ftruncate(4, 33587195 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] <... openat resumed>) = 5 [pid 5758] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5758] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5022] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5022] ioctl(3, LOOP_CLR_FD) = 0 [pid 5022] close(3) = 0 [pid 5022] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5756] <... ftruncate resumed>) = 0 [pid 5756] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5022] <... clone resumed>, child_tidptr=0x555555609690) = 5759 ./strace-static-x86_64: Process 5759 attached [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5759] set_robust_list(0x5555556096a0, 24 [pid 5756] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] sendfile(3, 4, NULL, 281474978811909 [pid 5755] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5759] <... prctl resumed>) = 0 [pid 5752] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5759] setpgid(0, 0 [pid 5752] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5759] <... setpgid resumed>) = 0 [pid 5752] <... mprotect resumed>) = 0 [pid 5759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5759] <... openat resumed>) = 3 [pid 5752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5759] write(3, "1000", 4 [pid 5752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5759] <... write resumed>) = 4 [pid 5759] close(3 [pid 5752] <... clone3 resumed> => {parent_tid=[5760]}, 88) = 5760 [pid 5759] <... close resumed>) = 0 [pid 5752] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5752] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5752] <... futex resumed>) = 0 [pid 5759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5752] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5760 attached NULL, 8) = 0 [pid 5760] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5760] <... rseq resumed>) = 0 [pid 5759] <... mmap resumed>) = 0x7fb652e3d000 [pid 5759] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5760] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5759] <... mprotect resumed>) = 0 [pid 5760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5760] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5760] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5760] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5760] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] <... clone3 resumed> => {parent_tid=[5761]}, 88) = 5761 [pid 5752] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] exit_group(0 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = ? [pid 5741] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5761 attached [pid 5760] lseek(-1, 257, SEEK_SET [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] +++ exited with 0 +++ [pid 5761] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5760] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... rseq resumed>) = 0 [pid 5760] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = 0 [pid 5761] set_robust_list(0x7fb652e5d9a0, 24 [pid 5760] <... futex resumed>) = 1 [pid 5759] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] <... futex resumed>) = 0 [pid 5761] <... set_robust_list resumed>) = 0 [pid 5760] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5760] getdents64(-1, [pid 5752] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] memfd_create("syzkaller", 0 [pid 5760] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5761] <... memfd_create resumed>) = 3 [pid 5760] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... sendfile resumed>) = ? [pid 5761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5760] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5761] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5760] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5752] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] +++ exited with 0 +++ [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5752] <... futex resumed>) = 0 [pid 5741] +++ exited with 0 +++ [pid 5760] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5752] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5760] <... openat resumed>) = 5 [pid 5020] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5741, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5760] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] restart_syscall(<... resuming interrupted clone ...> [pid 5760] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 0 [pid 5020] <... restart_syscall resumed>) = 0 [pid 5760] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5755] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5020] <... openat resumed>) = 3 [pid 5755] <... futex resumed>) = 0 [pid 5020] ioctl(3, LOOP_CLR_FD [pid 5755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5020] <... ioctl resumed>) = 0 [pid 5755] <... mmap resumed>) = 0x7fb64ac1c000 [pid 5020] close(3 [pid 5755] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5020] <... close resumed>) = 0 [pid 5020] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5762 ./strace-static-x86_64: Process 5762 attached [pid 5762] set_robust_list(0x5555556096a0, 24) = 0 [pid 5755] <... mprotect resumed>) = 0 [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5762] <... prctl resumed>) = 0 [pid 5755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5762] setpgid(0, 0 [pid 5755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5762] <... setpgid resumed>) = 0 [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5755] <... clone3 resumed> => {parent_tid=[5763]}, 88) = 5763 [pid 5762] <... openat resumed>) = 3 [pid 5762] write(3, "1000", 4) = 4 [pid 5762] close(3) = 0 [pid 5762] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5762] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, [pid 5763] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5762] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5763] <... rseq resumed>) = 0 [pid 5762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5763] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] rt_sigprocmask(SIG_SETMASK, [], [pid 5762] <... mmap resumed>) = 0x7fb652e3d000 [pid 5755] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5762] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5755] <... futex resumed>) = 0 [pid 5761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5763] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5762] <... mprotect resumed>) = 0 [pid 5755] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5763] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5763] <... futex resumed>) = 1 [pid 5762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5755] <... futex resumed>) = 0 [pid 5763] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... clone3 resumed> => {parent_tid=[5764]}, 88) = 5764 [pid 5755] <... futex resumed>) = 0 [pid 5763] lseek(-1, 257, SEEK_SET [pid 5762] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5764 attached [pid 5763] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5764] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5763] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5755] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... rseq resumed>) = 0 [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 0 [pid 5764] set_robust_list(0x7fb652e5d9a0, 24 [pid 5763] getdents64(-1, [pid 5755] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] <... set_robust_list resumed>) = 0 [pid 5763] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5763] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 0 [pid 5764] memfd_create("syzkaller", 0 [pid 5763] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5755] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... memfd_create resumed>) = 3 [pid 5763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 0 [pid 5764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5763] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5755] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5763] <... openat resumed>) = 5 [pid 5763] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... write resumed>) = 2097152 [pid 5763] <... futex resumed>) = 1 [pid 5761] munmap(0x7fb64aa3d000, 2097152 [pid 5755] <... futex resumed>) = 0 [pid 5763] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] <... munmap resumed>) = 0 [pid 5761] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5764] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152 [pid 5761] <... openat resumed>) = 4 [pid 5761] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5761] ioctl(4, LOOP_CLR_FD) = 0 [pid 5761] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5761] close(4) = 0 [pid 5761] close(3 [pid 5764] <... write resumed>) = 2097152 [pid 5764] munmap(0x7fb64aa3d000, 2097152) = 0 [pid 5764] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5764] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5764] ioctl(4, LOOP_CLR_FD) = 0 [pid 5764] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5764] close(4) = 0 [pid 5764] close(3) = 0 [pid 5764] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5764] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5764] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5762] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... close resumed>) = 0 [pid 5761] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5761] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = 0 [pid 5761] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5759] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] <... open resumed>) = 3 [pid 5764] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5764] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5764] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5762] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... open resumed>) = 3 [pid 5746] exit_group(0 [pid 5761] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5757] <... futex resumed>) = ? [pid 5746] <... exit_group resumed>) = ? [pid 5761] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] +++ exited with 0 +++ [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5759] <... futex resumed>) = 0 [pid 5759] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] <... open resumed>) = 4 [pid 5747] <... sendfile resumed>) = ? [pid 5764] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] +++ exited with 0 +++ [pid 5746] +++ exited with 0 +++ [pid 5764] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5027] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5746, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5764] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5764] ftruncate(4, 33587195 [pid 5762] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5761] <... open resumed>) = 4 [pid 5027] ioctl(3, LOOP_CLR_FD [pid 5761] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... ioctl resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5027] close(3 [pid 5761] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... close resumed>) = 0 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = 0 [pid 5027] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5761] ftruncate(4, 33587195 [pid 5759] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... clone resumed>, child_tidptr=0x555555609690) = 5765 [pid 5764] <... ftruncate resumed>) = 0 ./strace-static-x86_64: Process 5765 attached [pid 5764] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5765] set_robust_list(0x5555556096a0, 24 [pid 5764] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5765] <... set_robust_list resumed>) = 0 [pid 5764] sendfile(3, 4, NULL, 281474978811909 [pid 5762] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5765] setpgid(0, 0 [pid 5761] <... ftruncate resumed>) = 0 [pid 5761] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5761] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = 0 [pid 5761] sendfile(3, 4, NULL, 281474978811909 [pid 5759] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... setpgid resumed>) = 0 [pid 5765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5765] write(3, "1000", 4) = 4 [pid 5765] close(3) = 0 [pid 5765] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb652e3d000 [pid 5765] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0}./strace-static-x86_64: Process 5767 attached [pid 5767] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5765] <... clone3 resumed> => {parent_tid=[5767]}, 88) = 5767 [pid 5767] <... rseq resumed>) = 0 [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] set_robust_list(0x7fb652e5d9a0, 24 [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5767] <... set_robust_list resumed>) = 0 [pid 5765] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5765] <... futex resumed>) = 0 [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5765] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5767] memfd_create("syzkaller", 0 [pid 5762] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... memfd_create resumed>) = 3 [pid 5762] <... futex resumed>) = 0 [pid 5767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5767] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5762] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5762] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5759] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5762] <... clone3 resumed> => {parent_tid=[5768]}, 88) = 5768 [pid 5759] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE [pid 5762] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] <... mprotect resumed>) = 0 [pid 5762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5762] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5768 attached [pid 5762] <... futex resumed>) = 0 [pid 5759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} [pid 5768] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5762] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 2097152./strace-static-x86_64: Process 5769 attached [pid 5768] <... rseq resumed>) = 0 [pid 5759] <... clone3 resumed> => {parent_tid=[5769]}, 88) = 5769 [pid 5769] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053 [pid 5768] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5759] rt_sigprocmask(SIG_SETMASK, [], [pid 5769] <... rseq resumed>) = 0 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5769] set_robust_list(0x7fb64ac3c9a0, 24 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], [pid 5759] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5769] rt_sigprocmask(SIG_SETMASK, [], [pid 5768] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5759] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5769] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5768] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5768] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5751] exit_group(0 [pid 5769] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] lseek(-1, 257, SEEK_SET [pid 5762] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] <... futex resumed>) = ? [pid 5751] <... exit_group resumed>) = ? [pid 5769] <... futex resumed>) = 1 [pid 5768] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5758] +++ exited with 0 +++ [pid 5769] lseek(-1, 257, SEEK_SET [pid 5768] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = 0 [pid 5769] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = 0 [pid 5762] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5759] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... sendfile resumed>) = ? [pid 5753] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5769] <... futex resumed>) = 1 [pid 5768] getdents64(-1, [pid 5759] <... futex resumed>) = 0 [pid 5769] getdents64(-1, [pid 5768] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5759] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=36000000} [pid 5769] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [pid 5768] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5751, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5769] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5025] restart_syscall(<... resuming interrupted clone ...> [pid 5767] <... write resumed>) = 2097152 [pid 5762] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] munmap(0x7fb64aa3d000, 2097152 [pid 5762] <... futex resumed>) = 0 [pid 5762] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... futex resumed>) = 1 [pid 5768] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5759] <... futex resumed>) = 0 [pid 5025] <... restart_syscall resumed>) = 0 [pid 5767] <... munmap resumed>) = 0 [pid 5759] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5759] <... futex resumed>) = 0 [pid 5767] <... openat resumed>) = 4 [pid 5759] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5767] ioctl(4, LOOP_CLR_FD) = 0 [pid 5769] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5768] <... openat resumed>) = 5 [ 101.754484][ T41] NILFS (loop0): discard dirty page: offset=8192, ino=6 [ 101.761799][ T41] NILFS (loop0): discard dirty block: blocknr=25, size=4096 [ 101.770976][ T41] NILFS (loop0): discard dirty page: offset=0, ino=5 [ 101.778512][ T41] NILFS (loop0): discard dirty block: blocknr=27, size=4096 [ 101.786801][ T41] NILFS (loop0): discard dirty page: offset=0, ino=3 [ 101.794301][ T41] NILFS (loop0): discard dirty block: blocknr=28, size=4096 [pid 5769] <... openat resumed>) = 5 [pid 5768] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5767] close(4) = 0 [pid 5767] close(3 [pid 5768] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5769] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5025] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5769] <... futex resumed>) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [ 101.803405][ T41] NILFS (loop0): discard dirty page: offset=208896, ino=18 [ 101.834579][ T1092] NILFS (loop2): discard dirty page: offset=8192, ino=6 [ 101.834588][ T71] NILFS (loop3): discard dirty page: offset=8192, ino=6 [pid 5769] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5025] ioctl(3, LOOP_CLR_FD [pid 5752] exit_group(0 [pid 5760] <... futex resumed>) = ? [pid 5752] <... exit_group resumed>) = ? [pid 5760] +++ exited with 0 +++ [pid 5025] <... ioctl resumed>) = 0 [ 101.842661][ T1092] NILFS (loop2): discard dirty block: blocknr=25, size=4096 [ 101.857607][ T41] NILFS (loop0): discard dirty block: blocknr=0, size=4096 [ 101.867580][ T41] ------------[ cut here ]------------ [ 101.873237][ T41] WARNING: CPU: 0 PID: 41 at fs/buffer.c:1193 mark_buffer_dirty+0x2dd/0x500 [ 101.882045][ T41] Modules linked in: [ 101.886038][ T41] CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 6.5.0-rc2-syzkaller #0 [ 101.894387][ T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 101.898571][ T71] NILFS (loop3): discard dirty block: blocknr=25, size=4096 [ 101.904483][ T41] Workqueue: writeback wb_workfn (flush-7:0) [ 101.904556][ T41] RIP: 0010:mark_buffer_dirty+0x2dd/0x500 [ 101.904584][ T41] Code: df e8 c7 19 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 62 5e fc ff e8 1d 5f 87 ff e9 71 ff ff ff e8 13 5f 87 ff <0f> 0b e9 6d fd ff ff e8 07 5f 87 ff 0f 0b e9 96 fd ff ff e8 fb 5e [ 101.904604][ T41] RSP: 0018:ffffc90000b27230 EFLAGS: 00010293 [pid 5754] <... sendfile resumed>) = ? [pid 5025] close(3 [pid 5754] +++ exited with 0 +++ [pid 5752] +++ exited with 0 +++ [pid 5767] <... close resumed>) = 0 [pid 5767] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5767] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] <... futex resumed>) = 0 [pid 5025] <... close resumed>) = 0 [pid 5021] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5752, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5765] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5025] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5767] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5767] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5765] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5025] <... clone resumed>, child_tidptr=0x555555609690) = 5771 [pid 5021] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5021] ioctl(3, LOOP_CLR_FD) = 0 [pid 5021] close(3) = 0 [ 101.925520][ T71] NILFS (loop3): discard dirty page: offset=0, ino=5 [ 101.943455][ T41] [ 101.943468][ T41] RAX: ffffffff8204a65d RBX: ffff8880757d0101 RCX: ffff888017251dc0 [ 101.943491][ T41] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 101.943507][ T41] RBP: 0000000000000000 R08: ffffffff8204a3c4 R09: 1ffff1100eaf2b22 [ 101.943523][ T41] R10: dffffc0000000000 R11: ffffed100eaf2b23 R12: ffff888075795910 [ 101.943541][ T41] R13: dffffc0000000000 R14: ffffc90000b272a0 R15: 1ffff92000164e54 [pid 5021] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5755] exit_group(0 [pid 5021] <... clone resumed>, child_tidptr=0x555555609690) = 5772 [pid 5763] <... futex resumed>) = ? [pid 5755] <... exit_group resumed>) = ? [pid 5763] +++ exited with 0 +++ [pid 5765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5765] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb64ac1c000 [pid 5765] mprotect(0x7fb64ac1d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb64ac3c990, parent_tid=0x7fb64ac3c990, exit_signal=0, stack=0x7fb64ac1c000, stack_size=0x20300, tls=0x7fb64ac3c6c0} => {parent_tid=[5773]}, 88) = 5773 [pid 5765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5765] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5773 attached [pid 5773] rseq(0x7fb64ac3cfe0, 0x20, 0, 0x53053053) = 0 [pid 5773] set_robust_list(0x7fb64ac3c9a0, 24) = 0 [pid 5773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 101.943560][ T41] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 101.952032][ T71] NILFS (loop3): discard dirty block: blocknr=27, size=4096 [ 101.956396][ T41] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.956419][ T41] CR2: 0000000020004280 CR3: 00000000795c8000 CR4: 00000000003506f0 [ 101.956439][ T41] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.956460][ T41] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.956476][ T41] Call Trace: [ 101.956485][ T41] [pid 5773] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5767] <... open resumed>) = 3 [pid 5756] <... sendfile resumed>) = ? [pid 5767] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] +++ exited with 0 +++ [pid 5755] +++ exited with 0 +++ [pid 5767] <... futex resumed>) = 0 [pid 5767] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5019] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5755, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5773] <... open resumed>) = 4 [pid 5765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5019] <... openat resumed>) = 3 [pid 5773] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5019] ioctl(3, LOOP_CLR_FD [pid 5773] <... futex resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5019] <... ioctl resumed>) = 0 [pid 5773] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] ftruncate(4, 33587195 [ 101.956496][ T41] ? __warn+0x162/0x4a0 [ 101.956525][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 101.956554][ T41] ? report_bug+0x2b3/0x500 [ 101.988230][ T1092] NILFS (loop2): discard dirty page: offset=0, ino=5 [ 101.991154][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 101.999756][ T71] NILFS (loop3): discard dirty page: offset=0, ino=3 [ 102.008114][ T41] ? handle_bug+0x3d/0x70 [ 102.008145][ T41] ? exc_invalid_op+0x1a/0x50 [ 102.008168][ T41] ? asm_exc_invalid_op+0x1a/0x20 [ 102.008207][ T41] ? mark_buffer_dirty+0x44/0x500 [pid 5765] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5019] close(3) = 0 [pid 5019] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555609690) = 5774 ./strace-static-x86_64: Process 5774 attached [pid 5774] set_robust_list(0x5555556096a0, 24 [pid 5767] <... ftruncate resumed>) = 0 [pid 5774] <... set_robust_list resumed>) = 0 [pid 5767] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5774] <... prctl resumed>) = 0 [pid 5767] futex(0x7fb652f286c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] setpgid(0, 0 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5774] <... setpgid resumed>) = 0 [ 102.104460][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 102.109632][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 102.114865][ T41] __nilfs_mark_inode_dirty+0x105/0x280 [ 102.120805][ T41] ? nilfs_inode_dirty+0x130/0x130 [ 102.126011][ T41] ? nilfs_transaction_begin+0x4fc/0x6e0 [ 102.131697][ T41] nilfs_dirty_inode+0x164/0x200 [ 102.136756][ T41] ? __lock_acquire+0x7f70/0x7f70 [ 102.141848][ T41] ? __nilfs_mark_inode_dirty+0x280/0x280 [ 102.147840][ T41] ? do_raw_spin_unlock+0x13b/0x8b0 [pid 5767] sendfile(3, 4, NULL, 281474978811909 [pid 5765] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5774] write(3, "1000", 4) = 4 [pid 5774] close(3) = 0 [pid 5774] futex(0x7fb652f286cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5774] rt_sigaction(SIGRT_1, {sa_handler=0x7fb652ec67a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb652eb7e50}, NULL, 8) = 0 [pid 5765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 102.153093][ T41] ? __nilfs_mark_inode_dirty+0x280/0x280 [ 102.158937][ T41] __mark_inode_dirty+0x305/0xd90 [ 102.164175][ T41] __writeback_single_inode+0x3bd/0xfa0 [ 102.169799][ T41] writeback_sb_inodes+0x8e3/0x11d0 [ 102.175172][ T41] ? queue_io+0x570/0x570 [ 102.179553][ T41] ? _raw_spin_unlock+0x28/0x40 [ 102.184526][ T41] ? move_expired_inodes+0x7c8/0x810 [ 102.189880][ T41] ? do_raw_spin_lock+0x14d/0x3a0 [ 102.195004][ T41] __writeback_inodes_wb+0x11b/0x260 [ 102.200381][ T41] wb_writeback+0x461/0xc60 [pid 5774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5765] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] openat(AT_FDCWD, "./file0", O_RDONLY [pid 5765] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5774] <... mmap resumed>) = 0x7fb652e3d000 [pid 5773] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5774] mprotect(0x7fb652e3e000, 131072, PROT_READ|PROT_WRITE [pid 5773] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... mprotect resumed>) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [ 102.205012][ T41] ? rcu_lock_release+0x30/0x30 [ 102.209923][ T41] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 102.216056][ T41] wb_workfn+0xbb5/0xff0 [ 102.220389][ T41] ? inode_wait_for_writeback+0x290/0x290 [ 102.226248][ T41] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 102.232293][ T41] ? print_irqtrace_events+0x220/0x220 [ 102.237912][ T41] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 102.243888][ T41] process_one_work+0x92c/0x12c0 [ 102.248958][ T41] ? worker_detach_from_pool+0x290/0x290 [pid 5774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb652e5d990, parent_tid=0x7fb652e5d990, exit_signal=0, stack=0x7fb652e3d000, stack_size=0x20300, tls=0x7fb652e5d6c0} [pid 5773] lseek(-1, 257, SEEK_SET [pid 5765] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... lseek resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] <... clone3 resumed> => {parent_tid=[5775]}, 88) = 5775 [pid 5773] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5775 attached [pid 5774] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5775] rseq(0x7fb652e5dfe0, 0x20, 0, 0x53053053 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... rseq resumed>) = 0 [pid 5774] futex(0x7fb652f286c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5775] set_robust_list(0x7fb652e5d9a0, 24 [pid 5774] <... futex resumed>) = 0 [pid 5773] getdents64(-1, [pid 5765] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] <... set_robust_list resumed>) = 0 [pid 5774] futex(0x7fb652f286cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] <... getdents64 resumed>0x9999999999999999, 41) = -1 EBADF (Bad file descriptor) [ 102.254719][ T41] ? _raw_spin_lock_irqsave+0x120/0x120 [ 102.260329][ T41] ? wq_worker_running+0xa1/0x200 [ 102.265455][ T41] worker_thread+0xa63/0x1210 [ 102.270186][ T41] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 102.276212][ T41] ? _raw_spin_unlock+0x40/0x40 [ 102.281137][ T41] kthread+0x2b8/0x350 [ 102.285315][ T41] ? pr_cont_work+0x5e0/0x5e0 [ 102.290040][ T41] ? kthread_blkcg+0xd0/0xd0 [ 102.294764][ T41] ret_from_fork+0x2e/0x60 [ 102.299236][ T41] ? kthread_blkcg+0xd0/0xd0 [pid 5775] rt_sigprocmask(SIG_SETMASK, [], [pid 5773] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5775] memfd_create("syzkaller", 0 [pid 5773] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] futex(0x7fb652f286d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... memfd_create resumed>) = 3 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5773] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5765] futex(0x7fb652f286dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5775] <... mmap resumed>) = 0x7fb64aa3d000 [pid 5773] <... openat resumed>) = 5 [pid 5773] futex(0x7fb652f286dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5765] <... futex resumed>) = 0 [ 102.303873][ T41] ret_from_fork_asm+0x11/0x20 [ 102.308746][ T41] RIP: 0000:0x0 [ 102.312260][ T41] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 102.319721][ T41] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 102.328222][ T41] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 102.336424][ T41] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 102.344481][ T41] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [pid 5773] futex(0x7fb652f286d8, FUTEX_WAIT_PRIVATE, 0, NULL [ 102.352523][ T41] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 102.360596][ T41] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 102.368666][ T41] [ 102.371724][ T41] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.379040][ T41] CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 6.5.0-rc2-syzkaller #0 [ 102.387315][ T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 102.397428][ T41] Workqueue: writeback wb_workfn (flush-7:0) [ 102.403564][ T41] Call Trace: [ 102.406858][ T41] [ 102.409805][ T41] dump_stack_lvl+0x1e7/0x2d0 [ 102.414510][ T41] ? nf_tcp_handle_invalid+0x650/0x650 [ 102.419988][ T41] ? panic+0x770/0x770 [ 102.424087][ T41] ? vscnprintf+0x5d/0x80 [ 102.428440][ T41] panic+0x30f/0x770 [ 102.432353][ T41] ? __warn+0x171/0x4a0 [ 102.436535][ T41] ? __memcpy_flushcache+0x2b0/0x2b0 [ 102.441851][ T41] __warn+0x314/0x4a0 [ 102.445844][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 102.450975][ T41] report_bug+0x2b3/0x500 [ 102.455315][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 102.460440][ T41] handle_bug+0x3d/0x70 [ 102.464609][ T41] exc_invalid_op+0x1a/0x50 [ 102.469123][ T41] asm_exc_invalid_op+0x1a/0x20 [ 102.473991][ T41] RIP: 0010:mark_buffer_dirty+0x2dd/0x500 [ 102.479722][ T41] Code: df e8 c7 19 e0 ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 62 5e fc ff e8 1d 5f 87 ff e9 71 ff ff ff e8 13 5f 87 ff <0f> 0b e9 6d fd ff ff e8 07 5f 87 ff 0f 0b e9 96 fd ff ff e8 fb 5e [ 102.499341][ T41] RSP: 0018:ffffc90000b27230 EFLAGS: 00010293 [ 102.505418][ T41] RAX: ffffffff8204a65d RBX: ffff8880757d0101 RCX: ffff888017251dc0 [ 102.513398][ T41] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 102.521375][ T41] RBP: 0000000000000000 R08: ffffffff8204a3c4 R09: 1ffff1100eaf2b22 [ 102.529351][ T41] R10: dffffc0000000000 R11: ffffed100eaf2b23 R12: ffff888075795910 [ 102.537329][ T41] R13: dffffc0000000000 R14: ffffc90000b272a0 R15: 1ffff92000164e54 [ 102.545317][ T41] ? mark_buffer_dirty+0x44/0x500 [ 102.550350][ T41] ? mark_buffer_dirty+0x2dd/0x500 [ 102.555483][ T41] __nilfs_mark_inode_dirty+0x105/0x280 [ 102.561043][ T41] ? nilfs_inode_dirty+0x130/0x130 [ 102.566168][ T41] ? nilfs_transaction_begin+0x4fc/0x6e0 [ 102.571817][ T41] nilfs_dirty_inode+0x164/0x200 [ 102.576763][ T41] ? __lock_acquire+0x7f70/0x7f70 [ 102.581805][ T41] ? __nilfs_mark_inode_dirty+0x280/0x280 [ 102.587542][ T41] ? do_raw_spin_unlock+0x13b/0x8b0 [ 102.592758][ T41] ? __nilfs_mark_inode_dirty+0x280/0x280 [ 102.598496][ T41] __mark_inode_dirty+0x305/0xd90 [ 102.603539][ T41] __writeback_single_inode+0x3bd/0xfa0 [ 102.609106][ T41] writeback_sb_inodes+0x8e3/0x11d0 [ 102.614350][ T41] ? queue_io+0x570/0x570 [ 102.618694][ T41] ? _raw_spin_unlock+0x28/0x40 [ 102.623563][ T41] ? move_expired_inodes+0x7c8/0x810 [ 102.628880][ T41] ? do_raw_spin_lock+0x14d/0x3a0 [ 102.633924][ T41] __writeback_inodes_wb+0x11b/0x260 [ 102.639241][ T41] wb_writeback+0x461/0xc60 [ 102.643776][ T41] ? rcu_lock_release+0x30/0x30 [ 102.648650][ T41] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 102.654661][ T41] wb_workfn+0xbb5/0xff0 [ 102.658940][ T41] ? inode_wait_for_writeback+0x290/0x290 [ 102.664694][ T41] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 102.670691][ T41] ? print_irqtrace_events+0x220/0x220 [ 102.676160][ T41] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 102.682104][ T41] process_one_work+0x92c/0x12c0 [ 102.687068][ T41] ? worker_detach_from_pool+0x290/0x290 [ 102.692717][ T41] ? _raw_spin_lock_irqsave+0x120/0x120 [ 102.698282][ T41] ? wq_worker_running+0xa1/0x200 [ 102.703317][ T41] worker_thread+0xa63/0x1210 [ 102.708007][ T41] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 102.713920][ T41] ? _raw_spin_unlock+0x40/0x40 [ 102.718806][ T41] kthread+0x2b8/0x350 [ 102.722882][ T41] ? pr_cont_work+0x5e0/0x5e0 [ 102.727573][ T41] ? kthread_blkcg+0xd0/0xd0 [ 102.732176][ T41] ret_from_fork+0x2e/0x60 [ 102.736607][ T41] ? kthread_blkcg+0xd0/0xd0 [ 102.741207][ T41] ret_from_fork_asm+0x11/0x20 [ 102.745984][ T41] RIP: 0000:0x0 [ 102.749453][ T41] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 102.756821][ T41] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 102.765270][ T41] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 102.773245][ T41] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 102.781224][ T41] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 102.789199][ T41] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 102.797173][ T41] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 102.805162][ T41] [ 102.808489][ T41] Kernel Offset: disabled [ 102.812918][ T41] Rebooting in 86400 seconds..