./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1652702657 <...> Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. execve("./syz-executor1652702657", ["./syz-executor1652702657"], 0x7ffe32f12550 /* 10 vars */) = 0 brk(NULL) = 0x555556e82000 brk(0x555556e82d40) = 0x555556e82d40 arch_prctl(ARCH_SET_FS, 0x555556e823c0) = 0 set_tid_address(0x555556e82690) = 5043 set_robust_list(0x555556e826a0, 24) = 0 rseq(0x555556e82ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1652702657", 4096) = 28 getrandom("\x54\x12\xaa\x1d\xf6\x22\x97\xd0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e82d40 brk(0x555556ea3d40) = 0x555556ea3d40 brk(0x555556ea4000) = 0x555556ea4000 mprotect(0x7f63fdac5000, 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=0x555556e82690) = 5044 ./strace-static-x86_64: Process 5044 attached [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5044] set_robust_list(0x555556e826a0, 24) = 0 [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5045 attached [pid 5043] <... clone resumed>, child_tidptr=0x555556e82690) = 5045 [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5045] set_robust_list(0x555556e826a0, 24) = 0 [pid 5044] <... openat resumed>) = 3 [pid 5044] ioctl(3, LOOP_CLR_FD [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5044] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5044] close(3) = 0 [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached [pid 5045] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5047 attached [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5047 [pid 5047] set_robust_list(0x555556e826a0, 24) = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5047] setpgid(0, 0) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5047] write(3, "1000", 4) = 4 [pid 5047] close(3) = 0 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5047] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0}./strace-static-x86_64: Process 5048 attached [pid 5048] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5048] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5048] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5047] <... clone3 resumed> => {parent_tid=[5048]}, 88) = 5048 [pid 5048] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 0 [pid 5047] <... futex resumed>) = 1 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5043] <... clone resumed>, child_tidptr=0x555556e82690) = 5046 [pid 5048] memfd_create("syzkaller", 0 [pid 5046] set_robust_list(0x555556e826a0, 24 [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] <... set_robust_list resumed>) = 0 [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5048] <... memfd_create resumed>) = 3 [pid 5048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5046] <... openat resumed>) = 3 [pid 5045] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5045] close(3 [pid 5046] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5045] <... close resumed>) = 0 [pid 5046] close(3 [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] <... close resumed>) = 0 [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5049 ./strace-static-x86_64: Process 5049 attached [pid 5049] set_robust_list(0x555556e826a0, 24) = 0 [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5050 ./strace-static-x86_64: Process 5050 attached [pid 5043] <... clone resumed>, child_tidptr=0x555556e82690) = 5051 [pid 5050] set_robust_list(0x555556e826a0, 24) = 0 [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5051 attached [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5050] <... openat resumed>) = 3 [pid 5049] <... prctl resumed>) = 0 [pid 5049] setpgid(0, 0) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] set_robust_list(0x555556e826a0, 24) = 0 [pid 5050] write(3, "1000", 4 [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5049] <... openat resumed>) = 3 [pid 5050] <... write resumed>) = 4 [pid 5050] close(3) = 0 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5049] write(3, "1000", 4) = 4 [pid 5049] close(3 [pid 5050] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5049] <... close resumed>) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 ./strace-static-x86_64: Process 5052 attached [pid 5050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5043] <... clone resumed>, child_tidptr=0x555556e82690) = 5052 [pid 5051] <... openat resumed>) = 3 [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] set_robust_list(0x555556e826a0, 24 [pid 5049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5049] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5054]}, 88) = 5054 [pid 5050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5055]}, 88) = 5055 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] <... set_robust_list resumed>) = 0 [pid 5049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5054 attached [pid 5054] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] <... rseq resumed>) = 0 [pid 5054] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5054] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 88.068623][ T5048] syz-executor165[5048]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5054] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5055 attached [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] close(3./strace-static-x86_64: Process 5056 attached [pid 5055] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5056] set_robust_list(0x555556e826a0, 24 [pid 5055] set_robust_list(0x7f63fda019a0, 24 [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] <... set_robust_list resumed>) = 0 [pid 5055] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5055] memfd_create("syzkaller", 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... close resumed>) = 0 [pid 5043] <... clone resumed>, child_tidptr=0x555556e82690) = 5056 [pid 5052] <... openat resumed>) = 3 [pid 5056] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5048] <... write resumed>) = 1048576 [pid 5048] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5054] <... memfd_create resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5048] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5048] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5059 attached ./strace-static-x86_64: Process 5057 attached ) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5059 [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5058 [pid 5057] set_robust_list(0x555556e826a0, 24 [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5057 ./strace-static-x86_64: Process 5058 attached [pid 5057] <... set_robust_list resumed>) = 0 [pid 5055] <... memfd_create resumed>) = 3 [pid 5055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5059] set_robust_list(0x555556e826a0, 24 [pid 5058] set_robust_list(0x555556e826a0, 24 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5059] <... set_robust_list resumed>) = 0 [pid 5057] <... prctl resumed>) = 0 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] setpgid(0, 0 [pid 5059] <... prctl resumed>) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... setpgid resumed>) = 0 [pid 5059] setpgid(0, 0 [pid 5058] <... prctl resumed>) = 0 [pid 5058] setpgid(0, 0 [pid 5059] <... setpgid resumed>) = 0 [pid 5058] <... setpgid resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] 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 5059] <... openat resumed>) = 3 [pid 5058] <... openat resumed>) = 3 [pid 5054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5057] <... openat resumed>) = 3 [pid 5058] write(3, "1000", 4) = 4 [pid 5057] write(3, "1000", 4 [pid 5058] close(3) = 0 [pid 5057] <... write resumed>) = 4 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] write(3, "1000", 4 [pid 5058] <... futex resumed>) = 0 [pid 5057] close(3 [pid 5058] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5057] <... close resumed>) = 0 [pid 5059] <... write resumed>) = 4 [pid 5059] close(3 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5058] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... futex resumed>) = 0 [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5059] <... futex resumed>) = 0 [ 88.115274][ T5054] syz-executor165[5054]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 88.126409][ T5055] syz-executor165[5055]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 88.149869][ T5048] loop0: detected capacity change from 0 to 2048 [pid 5059] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] <... write resumed>) = 1048576 [pid 5048] close(3) = 0 [pid 5048] mkdir("./file0", 0777) = 0 [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=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5060]}, 88) = 5060 [pid 5059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5048] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... futex resumed>) = 0 [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5057] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5060 attached [pid 5060] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5059] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5060] set_robust_list(0x7f63fda019a0, 24 [pid 5059] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... set_robust_list resumed>) = 0 [pid 5060] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... mprotect resumed>) = 0 [pid 5060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] memfd_create("syzkaller", 0 [pid 5059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... mprotect resumed>) = 0 [pid 5059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5061 attached [], 8) = 0 [pid 5061] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5059] <... clone3 resumed> => {parent_tid=[5061]}, 88) = 5061 [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=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5061] <... rseq resumed>) = 0 [pid 5059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5054] munmap(0x7f63f55e1000, 1048576./strace-static-x86_64: Process 5062 attached [pid 5061] set_robust_list(0x7f63fda019a0, 24 [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... munmap resumed>) = 0 [pid 5062] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5059] <... futex resumed>) = 0 [pid 5061] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... clone3 resumed> => {parent_tid=[5062]}, 88) = 5062 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... rseq resumed>) = 0 [pid 5061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... write resumed>) = 1048576 [pid 5054] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] set_robust_list(0x7f63fda019a0, 24 [ 88.206950][ T5060] syz-executor165[5060]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 88.230708][ T5054] loop2: detected capacity change from 0 to 2048 [ 88.239282][ T5061] syz-executor165[5061]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 88.242892][ T5055] loop1: detected capacity change from 0 to 2048 [pid 5054] ioctl(4, LOOP_SET_FD, 3 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] memfd_create("syzkaller", 0 [pid 5057] <... futex resumed>) = 0 [pid 5054] <... ioctl resumed>) = 0 [pid 5062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] memfd_create("syzkaller", 0 [pid 5055] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5055] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... memfd_create resumed>) = 3 [pid 5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [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"..., 1048576 [pid 5054] close(3) = 0 [pid 5054] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5054] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 5061] <... memfd_create resumed>) = 3 [pid 5062] <... memfd_create resumed>) = 3 [pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5061] <... mmap resumed>) = 0x7f63f55e1000 [pid 5062] <... mmap resumed>) = 0x7f63f55e1000 [pid 5055] <... ioctl resumed>) = 0 [pid 5055] close(3) = 0 [pid 5055] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5055] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [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"..., 1048576 [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"..., 1048576 [pid 5060] <... write resumed>) = 1048576 [pid 5048] <... mount resumed>) = 0 [pid 5048] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 88.255773][ T5062] syz-executor165[5062]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 88.288743][ T5048] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5048] chdir("./file0" [pid 5060] munmap(0x7f63f55e1000, 1048576 [pid 5048] <... chdir resumed>) = 0 [pid 5048] ioctl(4, LOOP_CLR_FD) = 0 [pid 5060] <... munmap resumed>) = 0 [pid 5048] close(4 [pid 5060] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5048] <... close resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5048] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] ioctl(4, LOOP_SET_FD, 3 [pid 5048] <... futex resumed>) = 1 [pid 5048] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] <... futex resumed>) = 0 [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] <... futex resumed>) = 0 [pid 5048] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5062] <... write resumed>) = 1048576 [pid 5061] <... write resumed>) = 1048576 [pid 5060] <... ioctl resumed>) = 0 [pid 5055] <... mount resumed>) = 0 [pid 5054] <... mount resumed>) = 0 [pid 5048] <... open resumed>) = 4 [pid 5062] munmap(0x7f63f55e1000, 1048576 [pid 5061] munmap(0x7f63f55e1000, 1048576 [pid 5060] close(3 [pid 5055] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5048] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... munmap resumed>) = 0 [pid 5061] <... munmap resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5061] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] mkdir("./file0", 0777 [pid 5048] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5061] <... openat resumed>) = 4 [pid 5060] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5055] chdir("./file0" [pid 5054] chdir("./file0" [pid 5048] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] ioctl(4, LOOP_SET_FD, 3 [pid 5061] ioctl(4, LOOP_SET_FD, 3 [pid 5060] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 5055] <... chdir resumed>) = 0 [pid 5054] <... chdir resumed>) = 0 [pid 5048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] <... futex resumed>) = 0 [ 88.351517][ T5054] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 88.372541][ T5060] loop4: detected capacity change from 0 to 2048 [ 88.380681][ T5055] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5055] ioctl(4, LOOP_CLR_FD [pid 5054] ioctl(4, LOOP_CLR_FD [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... ioctl resumed>) = 0 [pid 5055] <... ioctl resumed>) = 0 [pid 5054] <... ioctl resumed>) = 0 [pid 5048] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5048] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = 1 [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] ftruncate(5, 33587195 [pid 5054] close(4 [pid 5048] <... ftruncate resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5055] close(4) = 0 [pid 5054] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... futex resumed>) = 1 [pid 5054] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5048] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = 1 [pid 5055] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5054] <... open resumed>) = 4 [pid 5055] <... open resumed>) = 4 [pid 5055] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5061] close(3 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... close resumed>) = 0 [pid 5061] mkdir("./file0", 0777 [pid 5047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5048] <... futex resumed>) = 0 [pid 5061] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5055] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5048] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 5055] <... open resumed>) = 5 [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 0 [pid 5047] <... futex resumed>) = 1 [pid 5048] sendfile(4, 5, NULL, 4 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... ioctl resumed>) = 0 [pid 5062] close(3) = 0 [pid 5048] <... sendfile resumed>) = 4 [pid 5054] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5062] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 5054] <... futex resumed>) = 1 [pid 5055] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 0 [pid 5048] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = 1 [pid 5054] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5055] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5047] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 0 [pid 5047] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... open resumed>) = 5 [pid 5047] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] ftruncate(5, 33587195) = 0 [pid 5054] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 1 [pid 5054] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [pid 5055] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] ftruncate(5, 33587195 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... ftruncate resumed>) = 0 [pid 5055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] sendfile(4, 5, NULL, 4 [pid 5054] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5054] sendfile(4, 5, NULL, 4 [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... sendfile resumed>) = 4 [pid 5055] <... sendfile resumed>) = 4 [pid 5054] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5055] <... futex resumed>) = 1 [pid 5054] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... futex resumed>) = 0 [ 88.420577][ T5061] loop5: detected capacity change from 0 to 2048 [ 88.429106][ T5062] loop3: detected capacity change from 0 to 2048 [pid 5055] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5049] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5050] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 0 [pid 5055] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5049] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5047] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5047] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5078 attached => {parent_tid=[5078]}, 88) = 5078 [pid 5050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... rseq resumed>) = 0 [pid 5050] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] set_robust_list(0x7f63f56e09a0, 24 [pid 5050] <... futex resumed>) = 0 [pid 5049] <... futex resumed>) = 0 [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5047] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... mmap resumed>) = 0x7f63f56c0000 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5049] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... mount resumed>) = 0 [pid 5061] <... mount resumed>) = 0 [pid 5060] <... mount resumed>) = 0 [pid 5050] <... mmap resumed>) = 0x7f63f56c0000 [pid 5049] <... mprotect resumed>) = 0 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5050] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [ 88.522411][ T5060] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 88.524129][ T5062] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 88.550200][ T5061] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [pid 5049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5078] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5062] <... openat resumed>) = 3 [pid 5061] <... openat resumed>) = 3 [pid 5050] <... mprotect resumed>) = 0 [pid 5049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5047] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] chdir("./file0" [pid 5060] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... chdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] ioctl(4, LOOP_CLR_FD [pid 5060] chdir("./file0") = 0 [pid 5050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5061] <... ioctl resumed>) = 0 [pid 5060] ioctl(4, LOOP_CLR_FD) = 0 [pid 5060] close(4) = 0 ./strace-static-x86_64: Process 5079 attached [pid 5061] close(4 [pid 5060] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5061] <... close resumed>) = 0 [pid 5060] <... futex resumed>) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5050] <... clone3 resumed> => {parent_tid=[5079]}, 88) = 5079 [pid 5079] <... rseq resumed>) = 0 [pid 5061] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] rt_sigprocmask(SIG_SETMASK, [], [pid 5079] set_robust_list(0x7f63f56e09a0, 24 [pid 5061] <... futex resumed>) = 1 [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... futex resumed>) = 0 [pid 5049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5047] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5061] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5047] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... futex resumed>) = 0 [pid 5050] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... open resumed>) = 4 [pid 5080] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5050] <... futex resumed>) = 0 [pid 5049] <... clone3 resumed> => {parent_tid=[5080]}, 88) = 5080 [pid 5080] <... rseq resumed>) = 0 [pid 5050] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5047] <... mmap resumed>) = 0x7f63f569f000 [pid 5061] <... open resumed>) = 4 [pid 5080] set_robust_list(0x7f63f56e09a0, 24 [pid 5079] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5061] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] rt_sigprocmask(SIG_SETMASK, [], [pid 5047] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... set_robust_list resumed>) = 0 [pid 5062] chdir("./file0" [pid 5061] <... futex resumed>) = 1 [pid 5060] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = 0 [pid 5049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5049] <... futex resumed>) = 0 [pid 5047] <... mprotect resumed>) = 0 [pid 5062] <... chdir resumed>) = 0 [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] ioctl(4, LOOP_CLR_FD [pid 5058] <... futex resumed>) = 0 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... ioctl resumed>) = 0 [pid 5047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] close(4 [pid 5047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5081 attached [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... close resumed>) = 0 [pid 5060] <... futex resumed>) = 1 [pid 5059] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = 0 [pid 5081] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5062] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 5047] <... clone3 resumed> => {parent_tid=[5081]}, 88) = 5081 [pid 5081] <... rseq resumed>) = 0 [pid 5062] <... futex resumed>) = 1 [pid 5060] <... open resumed>) = 5 [pid 5047] rt_sigprocmask(SIG_SETMASK, [], [pid 5081] set_robust_list(0x7f63f56bf9a0, 24 [pid 5062] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5060] <... futex resumed>) = 1 [pid 5058] <... futex resumed>) = 0 [pid 5047] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5080] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] ftruncate(5, 33587195 [pid 5058] <... futex resumed>) = 0 [pid 5047] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... futex resumed>) = 0 [pid 5060] <... ftruncate resumed>) = 0 [pid 5059] <... futex resumed>) = 1 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5060] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... futex resumed>) = 0 [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... open resumed>) = 5 [pid 5060] sendfile(4, 5, NULL, 4 [pid 5058] <... futex resumed>) = 0 [pid 5061] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... sendfile resumed>) = 4 [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... futex resumed>) = 0 [pid 5061] <... futex resumed>) = 1 [pid 5060] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... futex resumed>) = 0 [pid 5061] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... futex resumed>) = 0 [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 1 [pid 5062] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5059] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... open resumed>) = 4 [pid 5061] ftruncate(5, 33587195 [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... futex resumed>) = 0 [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5057] <... futex resumed>) = 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... madvise resumed>) = -1 ENOSPC (No space left on device) [pid 5080] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5049] <... futex resumed>) = 0 [pid 5080] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5049] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 0 [pid 5049] <... futex resumed>) = 1 [pid 5080] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000000} --- [pid 5049] ???( [pid 5079] <... madvise resumed>) = -1 ENOSPC (No space left on device) [pid 5079] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5050] <... futex resumed>) = 0 [pid 5079] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5050] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5050] <... futex resumed>) = 0 [pid 5079] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000000} --- [pid 5050] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... madvise resumed>) = -1 ENOSPC (No space left on device) [pid 5081] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5078] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... openat resumed>) = 6 [pid 5081] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5047] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [ 88.573272][ T5078] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 88.596341][ T5079] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 5081] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... mmap resumed>) = ? [pid 5050] <... futex resumed>) = ? [pid 5054] +++ killed by SIGBUS +++ [pid 5062] <... open resumed>) = 5 [pid 5061] <... ftruncate resumed>) = 0 [pid 5062] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5059] <... futex resumed>) = 0 [pid 5062] <... futex resumed>) = 1 [pid 5061] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 0 [pid 5062] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... futex resumed>) = 0 [pid 5061] sendfile(4, 5, NULL, 4 [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] +++ killed by SIGBUS +++ [pid 5061] <... sendfile resumed>) = 4 [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... mmap resumed>) = ? [pid 5050] +++ killed by SIGBUS +++ [pid 5049] <... ??? resumed>) = ? [pid 5080] +++ killed by SIGBUS +++ [pid 5062] <... futex resumed>) = 0 [pid 5061] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... futex resumed>) = 1 [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5050, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] ftruncate(5, 33587195 [pid 5061] <... futex resumed>) = 1 [pid 5059] <... futex resumed>) = 0 [pid 5055] +++ killed by SIGBUS +++ [pid 5049] +++ killed by SIGBUS +++ [pid 5062] <... ftruncate resumed>) = 0 [pid 5061] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5049, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] <... futex resumed>) = 1 [pid 5061] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5058] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] <... futex resumed>) = 0 [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... mmap resumed>) = 0x7f63f56c0000 [pid 5058] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] sendfile(4, 5, NULL, 4 [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5062] <... sendfile resumed>) = 4 [pid 5045] <... openat resumed>) = 3 [pid 5062] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5062] <... futex resumed>) = 1 [pid 5058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... futex resumed>) = 0 [pid 5062] futex(0x7f63fdacb608, 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=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5057] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... openat resumed>) = 3 [pid 5045] <... ioctl resumed>) = 0 [pid 5062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] <... futex resumed>) = 0 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5045] close(3 [pid 5062] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0 [pid 5057] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] <... close resumed>) = 0 [pid 5046] <... ioctl resumed>) = 0 [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] close(3) = 0 [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached [pid 5059] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... clone3 resumed> => {parent_tid=[5082]}, 88) = 5082 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5058] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5082] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5082] madvise(0x20000000, 6291467, MADV_REMOVE./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x555556e826a0, 24) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5083] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5084]}, 88) = 5084 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5084 attached [pid 5084] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5084] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5084] memfd_create("syzkaller", 0 [pid 5057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5083 [pid 5057] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5085 [pid 5057] <... mmap resumed>) = 0x7f63f56c0000 [pid 5057] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5057] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} => {parent_tid=[5086]}, 88) = 5086 [pid 5057] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5057] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5085 attached ) = 0 [pid 5085] set_robust_list(0x555556e826a0, 24 [pid 5057] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... set_robust_list resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5086 attached ) = 0 [pid 5059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5085] setpgid(0, 0) = 0 [pid 5059] <... mmap resumed>) = 0x7f63f56c0000 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 88.717080][ T5082] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 88.740334][ T5084] syz-executor165[5084]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5059] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... rseq resumed>) = 0 [pid 5085] <... openat resumed>) = 3 [pid 5082] <... madvise resumed>) = -1 ENOSPC (No space left on device) [pid 5059] <... mprotect resumed>) = 0 [pid 5058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5058] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] set_robust_list(0x7f63f56e09a0, 24 [pid 5085] write(3, "1000", 4) = 4 [pid 5058] <... mmap resumed>) = 0x7f63f569f000 [pid 5085] close(3 [pid 5058] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5085] <... close resumed>) = 0 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5058] <... mprotect resumed>) = 0 [pid 5085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5085] <... mmap resumed>) = 0x7f63fd9e1000 [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=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] <... mprotect resumed>) = 0 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] madvise(0x20000000, 6291467, MADV_REMOVE) = -1 ENOSPC (No space left on device) [pid 5086] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5057] <... futex resumed>) = 0 [pid 5086] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5082] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5058] <... clone3 resumed> => {parent_tid=[5087]}, 88) = 5087 [pid 5086] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000000} --- [pid 5085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5082] <... futex resumed>) = 0 [pid 5058] rt_sigprocmask(SIG_SETMASK, [], [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5082] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5087 attached [pid 5085] <... clone3 resumed> => {parent_tid=[5088]}, 88) = 5088 [pid 5058] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... mmap resumed>) = ? [pid 5057] <... futex resumed>) = ? [pid 5087] <... rseq resumed>) = 0 [pid 5086] +++ killed by SIGBUS +++ [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... clone3 resumed> => {parent_tid=[5089]}, 88) = 5089 [pid 5087] set_robust_list(0x7f63f56bf9a0, 24 [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5088 attached ) = 0 [pid 5088] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5087] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5089 attached [pid 5088] <... rseq resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] +++ killed by SIGBUS +++ [pid 5059] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] +++ killed by SIGBUS +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5057, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5059] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5088] set_robust_list(0x7f63fda019a0, 24 [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] <... rseq resumed>) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000000} --- [pid 5089] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... openat resumed>) = 3 [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5089] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... ioctl resumed>) = 0 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] close(3 [pid 5088] memfd_create("syzkaller", 0 [pid 5051] <... close resumed>) = 0 [pid 5089] <... madvise resumed>) = -1 ENOSPC (No space left on device) [pid 5084] <... memfd_create resumed>) = 3 [pid 5082] <... futex resumed>) = ? [pid 5060] <... mmap resumed>) = ? [pid 5089] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] +++ killed by SIGBUS +++ [pid 5082] +++ killed by SIGBUS +++ [pid 5060] +++ killed by SIGBUS +++ [pid 5059] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5059] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20000000} --- [pid 5059] <... futex resumed>) = 0 [pid 5058] <... futex resumed>) = ? [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5058] +++ killed by SIGBUS +++ [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x555556e826a0, 24) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5058, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5090] setpgid(0, 0 [pid 5061] <... mmap resumed>) = ? [pid 5090] <... setpgid resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 5090] <... openat resumed>) = 3 [pid 5052] <... restart_syscall resumed>) = 0 [pid 5090] write(3, "1000", 4 [pid 5061] +++ killed by SIGBUS +++ [pid 5090] <... write resumed>) = 4 [pid 5090] close(3) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5090] <... futex resumed>) = 0 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5090] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5052] <... ioctl resumed>) = 0 [pid 5090] <... clone3 resumed> => {parent_tid=[5091]}, 88) = 5091 [pid 5052] close(3 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [ 88.831083][ T5088] syz-executor165[5088]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5091] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5091] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] memfd_create("syzkaller", 0 [pid 5088] <... memfd_create resumed>) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5089] +++ killed by SIGBUS +++ [pid 5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5059] +++ killed by SIGBUS +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5059, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5092 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e82690) = 5093 ./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x555556e826a0, 24) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5093 attached [pid 5092] write(3, "1000", 4 [pid 5084] <... write resumed>) = 1048576 [ 88.908950][ T5091] syz-executor165[5091]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5093] set_robust_list(0x555556e826a0, 24) = 0 [pid 5092] <... write resumed>) = 4 [pid 5091] <... memfd_create resumed>) = 3 [pid 5084] munmap(0x7f63f55e1000, 1048576 [pid 5092] close(3 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5092] <... close resumed>) = 0 [pid 5091] <... mmap resumed>) = 0x7f63f55e1000 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5092] <... futex resumed>) = 0 [pid 5092] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5092] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5084] <... munmap resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] <... mprotect resumed>) = 0 [pid 5092] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5094]}, 88) = 5094 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] <... prctl resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5094 attached [pid 5094] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5094] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5094] memfd_create("syzkaller", 0 [pid 5084] <... openat resumed>) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5093] setpgid(0, 0 [pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5093] <... setpgid resumed>) = 0 [pid 5084] ioctl(4, LOOP_CLR_FD [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... write resumed>) = 1048576 [pid 5084] <... ioctl resumed>) = 0 [pid 5088] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5088] ioctl(4, LOOP_CLR_FD [pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5084] close(4) = 0 [pid 5084] close(3 [pid 5088] <... ioctl resumed>) = 0 [pid 5094] <... memfd_create resumed>) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5088] close(4) = 0 [pid 5088] close(3 [pid 5093] <... openat resumed>) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [ 88.982528][ T5094] syz-executor165[5094]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5091] <... write resumed>) = 1048576 [pid 5088] <... close resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5093] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5091] munmap(0x7f63f55e1000, 1048576 [pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5084] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5084] <... futex resumed>) = 1 [pid 5084] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... futex resumed>) = 0 [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5084] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5088] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5088] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... clone3 resumed> => {parent_tid=[5095]}, 88) = 5095 [pid 5091] <... munmap resumed>) = 0 [pid 5088] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5084] <... open resumed>) = 3 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] <... open resumed>) = 3 [pid 5088] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5088] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5088] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... open resumed>) = 4 [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5095 attached ) = 0 [pid 5095] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5091] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5088] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] set_robust_list(0x7f63fda019a0, 24 [pid 5091] <... openat resumed>) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5091] ioctl(4, LOOP_CLR_FD) = 0 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] <... futex resumed>) = 1 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5095] memfd_create("syzkaller", 0 [pid 5088] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... memfd_create resumed>) = 3 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5091] ioctl(4, LOOP_SET_FD, 3 [pid 5088] ftruncate(4, 33587195 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... mmap resumed>) = 0x7f63f55e1000 [pid 5091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5088] <... ftruncate resumed>) = 0 [pid 5091] close(4 [pid 5088] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... open resumed>) = 4 [pid 5091] <... close resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] close(3 [pid 5088] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5085] <... futex resumed>) = 0 [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] sendfile(3, 4, NULL, 4 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... futex resumed>) = 0 [pid 5088] <... sendfile resumed>) = 4 [pid 5084] ftruncate(4, 33587195 [pid 5088] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5088] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5094] <... write resumed>) = 1048576 [pid 5085] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... ftruncate resumed>) = 0 [pid 5085] <... futex resumed>) = 1 [pid 5085] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... futex resumed>) = 0 [pid 5088] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5084] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5084] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... futex resumed>) = 0 [pid 5084] sendfile(3, 4, NULL, 4 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... close resumed>) = 0 [pid 5091] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5091] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5091] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... open resumed>) = 3 [pid 5084] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5094] munmap(0x7f63f55e1000, 1048576 [pid 5091] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... munmap resumed>) = 0 [pid 5084] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5084] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... futex resumed>) = 1 [pid 5091] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5083] <... futex resumed>) = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5084] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5083] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5091] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5094] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5091] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] close(4 [pid 5091] <... open resumed>) = 4 [pid 5094] <... close resumed>) = 0 [pid 5091] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] close(3 [pid 5091] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5091] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5085] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... write resumed>) = 1048576 [pid 5091] ftruncate(4, 33587195 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] <... futex resumed>) = 0 [pid 5095] munmap(0x7f63f55e1000, 1048576 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5085] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5095] <... munmap resumed>) = 0 [pid 5085] <... mprotect resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5095] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5096 attached ) = 0 [pid 5091] <... ftruncate resumed>) = 0 [pid 5091] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5091] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5085] <... clone3 resumed> => {parent_tid=[5096]}, 88) = 5096 [pid 5096] <... rseq resumed>) = 0 [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5091] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] set_robust_list(0x7f63f56e09a0, 24 [pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] close(4 [pid 5091] sendfile(3, 4, NULL, 4 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] <... close resumed>) = 0 [pid 5091] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... futex resumed>) = 0 [pid 5091] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5091] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5095] close(3 [pid 5091] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5090] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] <... close resumed>) = 0 [pid 5096] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... mmap resumed>) = 0x7f63f56c0000 [pid 5094] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5083] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5094] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... mprotect resumed>) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5097 attached => {parent_tid=[5097]}, 88) = 5097 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5083] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5095] <... close resumed>) = 0 [pid 5047] exit_group(0 [pid 5081] <... futex resumed>) = ? [pid 5047] <... exit_group resumed>) = ? [pid 5081] +++ exited with 0 +++ [pid 5078] <... futex resumed>) = ? [pid 5078] +++ exited with 0 +++ [pid 5097] <... rseq resumed>) = 0 [pid 5048] <... mmap resumed>) = ? [pid 5097] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5097] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5095] <... futex resumed>) = 1 [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5093] <... futex resumed>) = 0 [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5048] +++ exited with 0 +++ [pid 5047] +++ exited with 0 +++ [pid 5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5044] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5085] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5090] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] <... futex resumed>) = 0 [pid 5085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5044] <... openat resumed>) = 3 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5044] ioctl(3, LOOP_CLR_FD [pid 5090] <... mmap resumed>) = 0x7f63f56c0000 [pid 5090] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5085] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5044] <... ioctl resumed>) = 0 [pid 5090] <... mprotect resumed>) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5044] close(3 [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5085] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5085] <... futex resumed>) = 0 [pid 5044] <... close resumed>) = 0 ./strace-static-x86_64: Process 5099 attached ./strace-static-x86_64: Process 5098 attached [pid 5085] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5098] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5090] <... clone3 resumed> => {parent_tid=[5099]}, 88) = 5099 ./strace-static-x86_64: Process 5100 attached [pid 5099] <... rseq resumed>) = 0 [pid 5098] <... rseq resumed>) = 0 [pid 5092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] set_robust_list(0x555556e826a0, 24 [pid 5092] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5100 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5090] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] <... futex resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] set_robust_list(0x7f63f56e09a0, 24 [pid 5098] set_robust_list(0x7f63f56bf9a0, 24 [pid 5092] <... mmap resumed>) = 0x7f63f56c0000 [pid 5083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5092] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5100] setpgid(0, 0 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] <... mprotect resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5099] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] <... clone3 resumed> => {parent_tid=[5101]}, 88) = 5101 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] <... openat resumed>) = 3 [pid 5092] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5092] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5101 attached [pid 5083] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5083] <... futex resumed>) = 0 [pid 5101] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5100] write(3, "1000", 4 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] <... write resumed>) = 4 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] close(3 [pid 5083] <... mmap resumed>) = 0x7f63f569f000 [pid 5101] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5083] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5100] <... close resumed>) = 0 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] <... mprotect resumed>) = 0 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5100] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5102] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5102] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5102] 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=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5098] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... clone3 resumed> => {parent_tid=[5102]}, 88) = 5102 [pid 5093] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... futex resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5083] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5098] <... openat resumed>) = 5 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5098] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5103 attached [pid 5102] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5100] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... mmap resumed>) = 0x7f63f56c0000 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... mprotect resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5102] <... openat resumed>) = 5 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5096] <... madvise resumed>) = 0 [pid 5094] <... open resumed>) = 3 [pid 5093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5102] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5102] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5083] <... futex resumed>) = 0 [pid 5096] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5104 attached [pid 5103] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5102] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... open resumed>) = 3 [pid 5093] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5103] <... rseq resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], [pid 5104] <... rseq resumed>) = 0 [pid 5103] set_robust_list(0x7f63fda019a0, 24 [pid 5095] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] set_robust_list(0x7f63f56e09a0, 24 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5093] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5093] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5090] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5104] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5103] memfd_create("syzkaller", 0 [pid 5094] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5103] <... memfd_create resumed>) = 3 [pid 5094] ftruncate(-1, 33587195 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... mmap resumed>) = 0x7f63f569f000 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5094] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... mmap resumed>) = 0x7f63f55e1000 [pid 5094] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5094] sendfile(3, -1, NULL, 4 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... mprotect resumed>) = 0 [pid 5094] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5094] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5105 attached [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5105] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [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"..., 1048576 [pid 5090] <... clone3 resumed> => {parent_tid=[5105]}, 88) = 5105 [pid 5105] <... rseq resumed>) = 0 [pid 5105] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5105] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5090] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5092] <... futex resumed>) = 0 [pid 5094] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5092] <... futex resumed>) = 0 [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 0 [pid 5094] openat(AT_FDCWD, ".", O_RDONLY [pid 5092] <... futex resumed>) = 1 [pid 5094] <... openat resumed>) = 5 [pid 5092] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5094] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] ftruncate(-1, 33587195 [pid 5093] <... futex resumed>) = 1 [pid 5095] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] sendfile(3, -1, NULL, 4 [pid 5093] <... futex resumed>) = 0 [pid 5095] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5093] <... futex resumed>) = 0 [pid 5095] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... futex resumed>) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5095] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 5095] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5095] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 0 [pid 5095] openat(AT_FDCWD, ".", O_RDONLY [pid 5093] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... openat resumed>) = 5 [pid 5095] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] openat(AT_FDCWD, 0x20000000, O_RDONLY) = 5 [pid 5105] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 0 [pid 5095] <... futex resumed>) = 1 [pid 5095] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5105] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... write resumed>) = 1048576 [pid 5103] munmap(0x7f63f55e1000, 1048576 [pid 5101] <... open resumed>) = 4 [pid 5099] <... madvise resumed>) = 0 [pid 5099] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5099] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... munmap resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5101] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] exit_group(0 [pid 5094] <... futex resumed>) = ? [pid 5092] <... exit_group resumed>) = ? [pid 5094] +++ exited with 0 +++ [pid 5101] <... futex resumed>) = ? [pid 5103] <... openat resumed>) = 4 [pid 5101] +++ exited with 0 +++ [pid 5092] +++ exited with 0 +++ [pid 5103] ioctl(4, LOOP_SET_FD, 3 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5103] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = 0 [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] ioctl(4, LOOP_SET_FD, 3 [pid 5104] <... open resumed>) = 4 [pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5104] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5106 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] exit_group(0 [pid 5104] <... futex resumed>) = ? [pid 5103] close(4 [pid 5095] <... futex resumed>) = ? [pid 5093] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5106 attached [pid 5104] +++ exited with 0 +++ [pid 5103] <... close resumed>) = 0 [pid 5106] set_robust_list(0x555556e826a0, 24) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0 [pid 5103] close(3 [pid 5095] +++ exited with 0 +++ [pid 5093] +++ exited with 0 +++ [pid 5106] <... setpgid resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5107 [pid 5106] write(3, "1000", 4./strace-static-x86_64: Process 5107 attached ) = 4 [pid 5107] set_robust_list(0x555556e826a0, 24) = 0 [pid 5106] close(3 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] <... close resumed>) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5107] setpgid(0, 0 [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5107] <... setpgid resumed>) = 0 [pid 5106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5106] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5107] <... openat resumed>) = 3 [pid 5106] <... mprotect resumed>) = 0 [pid 5107] write(3, "1000", 4 [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5107] <... write resumed>) = 4 [pid 5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5107] close(3) = 0 ./strace-static-x86_64: Process 5108 attached [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... clone3 resumed> => {parent_tid=[5108]}, 88) = 5108 [pid 5108] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5107] <... futex resumed>) = 0 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] <... close resumed>) = 0 [pid 5097] <... madvise resumed>) = 0 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 0 [pid 5097] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5107] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5103] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5103] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5107] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5103] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... rseq resumed>) = 0 [pid 5108] set_robust_list(0x7f63fda019a0, 24 [pid 5107] <... mprotect resumed>) = 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5103] <... open resumed>) = 3 [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5108] memfd_create("syzkaller", 0 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5103] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... memfd_create resumed>) = 3 [pid 5100] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5107] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109 [pid 5103] <... open resumed>) = 4 [pid 5108] <... mmap resumed>) = 0x7f63f55e1000 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5100] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5109 attached [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5107] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5109] <... rseq resumed>) = 0 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5103] ftruncate(4, 33587195 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5103] <... ftruncate resumed>) = 0 [pid 5103] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5103] <... futex resumed>) = 1 [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5103] sendfile(3, 4, NULL, 4 [pid 5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5103] <... sendfile resumed>) = 4 [pid 5103] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5100] <... futex resumed>) = 0 [pid 5103] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5100] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5103] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5100] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5108] <... write resumed>) = 1048576 [pid 5108] munmap(0x7f63f55e1000, 1048576 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5100] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5100] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5108] <... munmap resumed>) = 0 [pid 5100] <... mprotect resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5108] <... openat resumed>) = 4 [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 [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=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5108] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5110 attached ) = -1 EBUSY (Device or resource busy) [pid 5100] <... clone3 resumed> => {parent_tid=[5110]}, 88) = 5110 [pid 5108] ioctl(4, LOOP_CLR_FD [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] set_robust_list(0x7f63f56e09a0, 24 [pid 5100] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5108] close(4) = 0 [pid 5108] close(3) = 0 [pid 5109] <... write resumed>) = 1048576 [pid 5109] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5108] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5108] <... futex resumed>) = 1 [pid 5106] <... futex resumed>) = 0 [pid 5100] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... openat resumed>) = 4 [pid 5108] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5109] ioctl(4, LOOP_SET_FD, 3 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... futex resumed>) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5108] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] ioctl(4, LOOP_CLR_FD [pid 5100] <... mmap resumed>) = 0x7f63f569f000 [pid 5109] <... ioctl resumed>) = 0 [pid 5100] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [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=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5111 attached => {parent_tid=[5111]}, 88) = 5111 [pid 5111] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5111] <... rseq resumed>) = 0 [pid 5109] ioctl(4, LOOP_SET_FD, 3 [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] set_robust_list(0x7f63f56bf9a0, 24 [pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5100] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] close(4 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5109] <... close resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5109] close(3 [pid 5100] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5085] exit_group(0 [pid 5098] <... futex resumed>) = ? [pid 5096] <... futex resumed>) = ? [pid 5085] <... exit_group resumed>) = ? [pid 5098] +++ exited with 0 +++ [pid 5096] +++ exited with 0 +++ [pid 5083] exit_group(0 [pid 5102] <... futex resumed>) = ? [pid 5097] <... futex resumed>) = ? [pid 5083] <... exit_group resumed>) = ? [pid 5102] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5090] exit_group(0 [pid 5105] <... futex resumed>) = ? [pid 5099] <... futex resumed>) = ? [pid 5105] +++ exited with 0 +++ [pid 5099] +++ exited with 0 +++ [pid 5090] <... exit_group resumed>) = ? [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5106] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5106] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5112 attached [pid 5109] <... close resumed>) = 0 [pid 5106] <... clone3 resumed> => {parent_tid=[5112]}, 88) = 5112 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5106] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5112] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5112] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5107] <... futex resumed>) = 0 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5110] <... madvise resumed>) = 0 [pid 5091] <... mmap resumed>) = ? [pid 5088] <... mmap resumed>) = ? [pid 5084] <... mmap resumed>) = ? [pid 5111] <... openat resumed>) = 5 [pid 5110] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... open resumed>) = 3 [pid 5091] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5111] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... futex resumed>) = 0 [pid 5108] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5112] <... open resumed>) = 4 [pid 5109] <... open resumed>) = 3 [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5088] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5112] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 0 [pid 5110] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5106] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5111] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] ftruncate(4, 33587195 [pid 5106] <... futex resumed>) = 0 [pid 5112] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5109] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5108] <... ftruncate resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5109] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5108] <... futex resumed>) = 1 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5109] <... open resumed>) = 4 [pid 5108] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5046] <... openat resumed>) = 3 [pid 5109] <... futex resumed>) = 1 [pid 5108] sendfile(3, 4, NULL, 4 [pid 5107] <... futex resumed>) = 0 [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] <... ioctl resumed>) = 0 [pid 5109] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5108] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... futex resumed>) = 0 [pid 5046] <... ioctl resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] close(3 [pid 5045] close(3 [pid 5109] ftruncate(4, 33587195 [pid 5108] <... futex resumed>) = 1 [pid 5106] <... futex resumed>) = 0 [pid 5051] <... ioctl resumed>) = 0 [pid 5108] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5106] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] <... futex resumed>) = 0 [pid 5108] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5106] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] close(3 [pid 5045] <... close resumed>) = 0 [pid 5046] <... close resumed>) = 0 [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... close resumed>) = 0 [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5113 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5114 ./strace-static-x86_64: Process 5115 attached ./strace-static-x86_64: Process 5113 attached [pid 5115] set_robust_list(0x555556e826a0, 24) = 0 [pid 5113] set_robust_list(0x555556e826a0, 24) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5114 attached ) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5115 [pid 5114] set_robust_list(0x555556e826a0, 24 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] setpgid(0, 0 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... prctl resumed>) = 0 [pid 5109] <... ftruncate resumed>) = 0 [pid 5114] <... prctl resumed>) = 0 [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5109] sendfile(3, 4, NULL, 4 [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] setpgid(0, 0 [pid 5107] <... futex resumed>) = 0 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... setpgid resumed>) = 0 [pid 5109] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] setpgid(0, 0 [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... setpgid resumed>) = 0 [pid 5109] <... futex resumed>) = 1 [pid 5107] <... futex resumed>) = 0 [pid 5114] <... openat resumed>) = 3 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] write(3, "1000", 4 [pid 5113] <... openat resumed>) = 3 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5109] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5107] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] close(3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... close resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5113] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5113] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5116]}, 88) = 5116 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5116 attached [pid 5116] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5116] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... openat resumed>) = 3 [pid 5116] <... mmap resumed>) = 0x7f63f55e1000 [pid 5114] <... futex resumed>) = 0 [pid 5115] write(3, "1000", 4 [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5106] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5106] <... futex resumed>) = 1 [pid 5112] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5106] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5115] <... write resumed>) = 4 [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5115] close(3 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5115] <... close resumed>) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5115] <... futex resumed>) = 0 [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5114] <... mprotect resumed>) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5117]}, 88) = 5117 [pid 5115] <... mprotect resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5107] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5117 attached => {parent_tid=[5118]}, 88) = 5118 [pid 5117] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... rseq resumed>) = 0 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] set_robust_list(0x7f63fda019a0, 24 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5107] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5107] <... futex resumed>) = 0 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5119 attached ./strace-static-x86_64: Process 5118 attached ) = 3 [pid 5118] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5118] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5118] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5119] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5117] <... mmap resumed>) = 0x7f63f55e1000 [pid 5115] <... clone3 resumed> => {parent_tid=[5119]}, 88) = 5119 [pid 5119] <... rseq resumed>) = 0 [pid 5116] <... write resumed>) = 1048576 [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5116] munmap(0x7f63f55e1000, 1048576 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5116] <... munmap resumed>) = 0 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5119] memfd_create("syzkaller", 0 [pid 5106] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5119] <... memfd_create resumed>) = 3 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5116] <... openat resumed>) = 4 [pid 5106] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5116] ioctl(4, LOOP_SET_FD, 3 [pid 5106] <... mprotect resumed>) = 0 [pid 5116] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5119] <... mmap resumed>) = 0x7f63f55e1000 [pid 5106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5116] ioctl(4, LOOP_CLR_FD [pid 5106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5116] <... ioctl resumed>) = 0 [pid 5106] <... clone3 resumed> => {parent_tid=[5120]}, 88) = 5120 [pid 5106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5106] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5106] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5120 attached [pid 5120] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5120] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5116] close(4 [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5107] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5116] <... close resumed>) = 0 [pid 5116] close(3 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5107] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5121 attached => {parent_tid=[5121]}, 88) = 5121 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5121] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5107] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... rseq resumed>) = 0 [pid 5107] <... futex resumed>) = 0 [pid 5117] <... write resumed>) = 1048576 [pid 5121] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5107] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5117] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] close(4) = 0 [pid 5117] close(3 [pid 5119] <... write resumed>) = 1048576 [pid 5116] <... close resumed>) = 0 [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] munmap(0x7f63f55e1000, 1048576 [pid 5120] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5112] <... madvise resumed>) = 0 [pid 5112] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5112] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... openat resumed>) = 5 [pid 5120] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5120] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... munmap resumed>) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5121] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5119] ioctl(4, LOOP_SET_FD, 3 [pid 5117] <... close resumed>) = 0 [pid 5119] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5118] <... madvise resumed>) = 0 [pid 5116] <... open resumed>) = 3 [pid 5121] <... openat resumed>) = 5 [pid 5121] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5116] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... futex resumed>) = 0 [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5116] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5116] ftruncate(4, 33587195 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... open resumed>) = 3 [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5119] ioctl(4, LOOP_CLR_FD [pid 5118] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... ioctl resumed>) = 0 [pid 5119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5119] close(4) = 0 [pid 5119] close(3 [pid 5117] <... open resumed>) = 4 [pid 5116] <... ftruncate resumed>) = 0 [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5117] ftruncate(4, 33587195 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5116] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... ftruncate resumed>) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] sendfile(3, 4, NULL, 4 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5117] sendfile(3, 4, NULL, 4 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5117] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5114] <... futex resumed>) = 0 [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5114] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 1 [pid 5116] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5116] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5113] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... close resumed>) = 0 [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5114] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = 1 [pid 5119] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5114] <... futex resumed>) = 0 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... open resumed>) = 3 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... mmap resumed>) = 0x7f63f56c0000 [pid 5115] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 1 [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5114] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5113] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = 1 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5113] <... futex resumed>) = 0 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5122 attached [pid 5119] <... open resumed>) = 4 [pid 5114] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5113] <... mmap resumed>) = 0x7f63f56c0000 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] <... mprotect resumed>) = 0 [pid 5119] <... futex resumed>) = 1 [pid 5114] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] <... futex resumed>) = 0 [pid 5122] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5119] ftruncate(4, 33587195 [pid 5114] <... futex resumed>) = 0 [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... rseq resumed>) = 0 [pid 5114] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5122] set_robust_list(0x7f63f56e09a0, 24 [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5122] <... set_robust_list resumed>) = 0 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] madvise(0x20000000, 6291467, MADV_REMOVE./strace-static-x86_64: Process 5123 attached [pid 5113] <... clone3 resumed> => {parent_tid=[5123]}, 88) = 5123 [pid 5123] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5123] <... rseq resumed>) = 0 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5123] set_robust_list(0x7f63f56e09a0, 24 [pid 5113] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5123] <... set_robust_list resumed>) = 0 [pid 5123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5123] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5119] <... ftruncate resumed>) = 0 [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5114] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5119] sendfile(3, 4, NULL, 4 [pid 5114] <... mmap resumed>) = 0x7f63f569f000 [pid 5114] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5113] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5114] <... mprotect resumed>) = 0 [pid 5113] <... mprotect resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5113] <... clone3 resumed> => {parent_tid=[5124]}, 88) = 5124 ./strace-static-x86_64: Process 5124 attached [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5124] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5114] <... clone3 resumed> => {parent_tid=[5125]}, 88) = 5125 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... rseq resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5125 attached [pid 5124] set_robust_list(0x7f63f56bf9a0, 24 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5125] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5114] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] <... rseq resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], [pid 5114] <... futex resumed>) = 0 [pid 5125] set_robust_list(0x7f63f56bf9a0, 24 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5114] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] <... set_robust_list resumed>) = 0 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5100] exit_group(0 [pid 5111] <... futex resumed>) = ? [pid 5110] <... futex resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5111] +++ exited with 0 +++ [pid 5110] +++ exited with 0 +++ [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5109] <... mmap resumed>) = 0x20000000 [pid 5103] <... mmap resumed>) = ? [pid 5109] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] exit_group(0 [pid 5121] <... futex resumed>) = ? [pid 5118] <... futex resumed>) = ? [pid 5121] +++ exited with 0 +++ [pid 5107] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ [pid 5109] <... futex resumed>) = ? [pid 5125] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5124] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5108] <... mmap resumed>) = 0x20000000 [pid 5125] <... openat resumed>) = 5 [pid 5124] <... openat resumed>) = 5 [pid 5117] <... mmap resumed>) = 0x20000000 [pid 5115] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... futex resumed>) = 0 [pid 5108] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5115] <... mmap resumed>) = 0x7f63f56c0000 [pid 5125] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5108] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5115] <... mprotect resumed>) = 0 [pid 5106] exit_group(0 [pid 5124] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = ? [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5112] <... futex resumed>) = ? [pid 5108] <... futex resumed>) = ? [pid 5106] <... exit_group resumed>) = ? [pid 5123] <... madvise resumed>) = 0 [pid 5122] <... madvise resumed>) = 0 [pid 5120] +++ exited with 0 +++ [pid 5119] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... mmap resumed>) = 0x20000000 [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5109] +++ exited with 0 +++ [pid 5108] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5123] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] exit_group(0 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5112] +++ exited with 0 +++ [pid 5106] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ ./strace-static-x86_64: Process 5126 attached [pid 5124] <... futex resumed>) = ? [pid 5123] <... futex resumed>) = ? [pid 5122] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = ? [pid 5113] <... exit_group resumed>) = ? [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5126] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5124] +++ exited with 0 +++ [pid 5123] +++ exited with 0 +++ [pid 5122] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] +++ exited with 0 +++ [pid 5114] exit_group(0 [pid 5115] <... clone3 resumed> => {parent_tid=[5126]}, 88) = 5126 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5126] <... rseq resumed>) = 0 [pid 5125] <... futex resumed>) = ? [pid 5122] <... futex resumed>) = ? [pid 5117] <... futex resumed>) = ? [pid 5114] <... exit_group resumed>) = ? [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 5044] restart_syscall(<... resuming interrupted clone ...> [pid 5126] set_robust_list(0x7f63f56e09a0, 24 [pid 5125] +++ exited with 0 +++ [pid 5122] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5052] <... restart_syscall resumed>) = 0 [pid 5044] <... restart_syscall resumed>) = 0 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5115] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5126] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5044] <... openat resumed>) = 3 [pid 5044] ioctl(3, LOOP_CLR_FD [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5044] <... ioctl resumed>) = 0 [pid 5044] close(3 [pid 5114] +++ exited with 0 +++ [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5044] <... close resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5056] <... ioctl resumed>) = 0 [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] close(3 [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5113] +++ exited with 0 +++ [pid 5056] <... close resumed>) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5127 ./strace-static-x86_64: Process 5127 attached [pid 5127] set_robust_list(0x555556e826a0, 24 [pid 5052] <... ioctl resumed>) = 0 [pid 5045] <... ioctl resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5052] close(3 [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5045] close(3 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5045] <... close resumed>) = 0 [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5127] <... prctl resumed>) = 0 [pid 5046] <... openat resumed>) = 3 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5127] setpgid(0, 0 [pid 5046] <... ioctl resumed>) = 0 [pid 5127] <... setpgid resumed>) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5046] close(3 [pid 5127] <... openat resumed>) = 3 [pid 5046] <... close resumed>) = 0 [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5130 attached ./strace-static-x86_64: Process 5129 attached ./strace-static-x86_64: Process 5128 attached ) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5128 [pid 5128] set_robust_list(0x555556e826a0, 24 [pid 5129] set_robust_list(0x555556e826a0, 24 [pid 5127] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5130] set_robust_list(0x555556e826a0, 24 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5130 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5129 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5131 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... prctl resumed>) = 0 [pid 5128] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] setpgid(0, 0 [pid 5129] setpgid(0, 0 [pid 5128] setpgid(0, 0 [pid 5127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5131] set_robust_list(0x555556e826a0, 24 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] <... setpgid resumed>) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] <... futex resumed>) = 1 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] <... openat resumed>) = 3 [pid 5129] <... openat resumed>) = 3 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... prctl resumed>) = 0 [pid 5130] write(3, "1000", 4 [pid 5129] write(3, "1000", 4 [pid 5127] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5119] <... futex resumed>) = 0 [pid 5131] setpgid(0, 0 [pid 5130] <... write resumed>) = 4 [pid 5129] <... write resumed>) = 4 [pid 5128] <... openat resumed>) = 3 [pid 5127] <... mprotect resumed>) = 0 [pid 5119] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5131] <... setpgid resumed>) = 0 [pid 5130] close(3 [pid 5129] close(3 [pid 5128] write(3, "1000", 4 [pid 5127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] <... close resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5128] <... write resumed>) = 4 [pid 5131] <... openat resumed>) = 3 [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] close(3 [pid 5127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5129] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5127] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, ./strace-static-x86_64: Process 5132 attached NULL, 8) = 0 [pid 5129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] write(3, "1000", 4 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5131] <... write resumed>) = 4 [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5128] <... close resumed>) = 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... rseq resumed>) = 0 [pid 5131] close(3 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5127] <... futex resumed>) = 0 [pid 5132] set_robust_list(0x7f63fda019a0, 24 [pid 5131] <... close resumed>) = 0 [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5128] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5129] <... mprotect resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... futex resumed>) = 0 [pid 5130] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5128] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5132] memfd_create("syzkaller", 0 [pid 5131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5130] <... mprotect resumed>) = 0 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5119] <... madvise resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5128] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5115] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5133 attached [pid 5132] <... memfd_create resumed>) = 3 [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] <... clone3 resumed> => {parent_tid=[5133]}, 88) = 5133 [pid 5119] <... futex resumed>) = 1 [pid 5115] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5131] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... rseq resumed>) = 0 [pid 5132] <... mmap resumed>) = 0x7f63f55e1000 [pid 5131] <... mprotect resumed>) = 0 [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5128] <... mprotect resumed>) = 0 [pid 5119] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5133] set_robust_list(0x7f63fda019a0, 24 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5134]}, 88) = 5134 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5135 attached [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5119] <... openat resumed>) = 5 [pid 5135] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5135] set_robust_list(0x7f63fda019a0, 24 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5134 attached [pid 5135] <... set_robust_list resumed>) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5119] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5134] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 ./strace-static-x86_64: Process 5136 attached [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5133] memfd_create("syzkaller", 0 [pid 5132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5130] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5136] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5128] <... clone3 resumed> => {parent_tid=[5136]}, 88) = 5136 [pid 5119] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... memfd_create resumed>) = 3 [pid 5136] <... rseq resumed>) = 0 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5136] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5135] memfd_create("syzkaller", 0 [pid 5133] <... mmap resumed>) = 0x7f63f55e1000 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] <... memfd_create resumed>) = 3 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5128] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 0 [pid 5135] <... mmap resumed>) = 0x7f63f55e1000 [pid 5133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5128] <... futex resumed>) = 1 [pid 5136] memfd_create("syzkaller", 0 [pid 5128] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5136] <... memfd_create resumed>) = 3 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5134] <... write resumed>) = 1048576 [pid 5132] <... write resumed>) = 1048576 [pid 5134] munmap(0x7f63f55e1000, 1048576) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5132] munmap(0x7f63f55e1000, 1048576 [pid 5135] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] close(4) = 0 [pid 5132] <... munmap resumed>) = 0 [pid 5134] close(3 [pid 5136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5133] <... write resumed>) = 1048576 [pid 5132] <... openat resumed>) = 4 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5132] ioctl(4, LOOP_CLR_FD) = 0 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5132] close(4) = 0 [pid 5132] close(3 [pid 5134] <... close resumed>) = 0 [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5135] <... write resumed>) = 1048576 [pid 5133] munmap(0x7f63f55e1000, 1048576 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5135] munmap(0x7f63f55e1000, 1048576 [pid 5134] <... open resumed>) = 3 [pid 5133] <... munmap resumed>) = 0 [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5131] <... futex resumed>) = 0 [pid 5134] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... open resumed>) = 4 [pid 5135] <... munmap resumed>) = 0 [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... openat resumed>) = 4 [pid 5135] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5134] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5134] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... openat resumed>) = 4 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5135] ioctl(4, LOOP_SET_FD, 3 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] ftruncate(4, 33587195 [pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5133] ioctl(4, LOOP_SET_FD, 3 [pid 5135] ioctl(4, LOOP_CLR_FD) = 0 [pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5136] <... write resumed>) = 1048576 [pid 5134] <... ftruncate resumed>) = 0 [pid 5133] ioctl(4, LOOP_CLR_FD [pid 5132] <... close resumed>) = 0 [pid 5136] munmap(0x7f63f55e1000, 1048576 [pid 5135] ioctl(4, LOOP_SET_FD, 3 [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5134] <... futex resumed>) = 1 [pid 5133] <... ioctl resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5136] <... munmap resumed>) = 0 [pid 5135] close(4 [pid 5134] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5135] <... close resumed>) = 0 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = 1 [pid 5136] <... openat resumed>) = 4 [pid 5135] close(3 [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5131] <... futex resumed>) = 0 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] sendfile(3, 4, NULL, 4 [pid 5133] ioctl(4, LOOP_SET_FD, 3 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5132] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5136] ioctl(4, LOOP_SET_FD, 3 [pid 5134] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5133] close(4 [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5133] <... close resumed>) = 0 [pid 5132] <... open resumed>) = 3 [pid 5136] ioctl(4, LOOP_CLR_FD [pid 5134] <... futex resumed>) = 1 [pid 5133] close(3 [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... futex resumed>) = 0 [pid 5134] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 1 [pid 5131] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... ioctl resumed>) = 0 [pid 5134] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5135] <... close resumed>) = 0 [pid 5132] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5136] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5136] close(4 [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... close resumed>) = 0 [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... mmap resumed>) = 0x20000000 [pid 5136] <... close resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5127] <... futex resumed>) = 0 [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] close(3 [pid 5135] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] <... futex resumed>) = 0 [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5135] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5133] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5132] ftruncate(4, 33587195 [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = 0 [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... close resumed>) = 0 [pid 5135] <... open resumed>) = 3 [pid 5133] <... open resumed>) = 3 [pid 5132] <... ftruncate resumed>) = 0 [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5126] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5127] <... futex resumed>) = 0 [pid 5126] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] exit_group(0 [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = ? [pid 5119] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... mmap resumed>) = 0x7f63f56c0000 [pid 5127] <... futex resumed>) = 0 [pid 5126] +++ exited with 0 +++ [pid 5132] sendfile(3, 4, NULL, 4 [pid 5131] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... mprotect resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5135] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 1 [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5129] <... futex resumed>) = 0 [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5133] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] <... futex resumed>) = 0 [pid 5132] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5131] <... clone3 resumed> => {parent_tid=[5137]}, 88) = 5137 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5131] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5137 attached [pid 5137] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5137] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5133] <... open resumed>) = 4 [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] <... open resumed>) = 4 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5136] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5119] +++ exited with 0 +++ [pid 5115] +++ exited with 0 +++ [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = 0 [pid 5133] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5136] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5128] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] ftruncate(4, 33587195 [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5135] ftruncate(4, 33587195 [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5128] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = 0 [pid 5051] close(3) = 0 [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... mmap resumed>) = 0x20000000 [pid 5127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5127] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5127] <... mmap resumed>) = 0x7f63f56c0000 [pid 5127] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5130] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5139 attached [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5130] <... mmap resumed>) = 0x7f63f56c0000 [pid 5129] <... mmap resumed>) = 0x7f63f56c0000 [pid 5130] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5129] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5127] <... mprotect resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5139 [pid 5130] <... mprotect resumed>) = 0 [pid 5139] set_robust_list(0x555556e826a0, 24 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] <... mprotect resumed>) = 0 [pid 5127] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5127] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5140 attached [pid 5139] <... set_robust_list resumed>) = 0 [pid 5131] <... mmap resumed>) = 0x7f63f569f000 ./strace-static-x86_64: Process 5141 attached [pid 5131] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5141] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... mprotect resumed>) = 0 [pid 5141] <... rseq resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5141] set_robust_list(0x7f63f56e09a0, 24 [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5142 attached [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5139] <... prctl resumed>) = 0 [pid 5130] <... clone3 resumed> => {parent_tid=[5142]}, 88) = 5142 [pid 5129] <... clone3 resumed> => {parent_tid=[5140]}, 88) = 5140 [pid 5127] <... clone3 resumed> => {parent_tid=[5141]}, 88) = 5141 [pid 5142] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] <... rseq resumed>) = 0 [pid 5131] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... rseq resumed>) = 0 [pid 5141] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] set_robust_list(0x7f63f56e09a0, 24 [pid 5139] setpgid(0, 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5143 attached [pid 5142] set_robust_list(0x7f63f56e09a0, 24 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] <... setpgid resumed>) = 0 [pid 5134] <... mmap resumed>) = 0x20000000 [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5127] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5129] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 1 [pid 5143] <... rseq resumed>) = 0 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5141] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5130] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] set_robust_list(0x7f63f56bf9a0, 24 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5140] sendfile(3, 4, NULL, 4 [pid 5131] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] sendfile(3, 4, NULL, 4 [pid 5139] <... openat resumed>) = 3 [pid 5129] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... futex resumed>) = 0 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] <... mmap resumed>) = 0x7f63f56c0000 [pid 5128] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5139] write(3, "1000", 4 [pid 5128] <... mprotect resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5139] <... write resumed>) = 4 [pid 5139] close(3) = 0 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5144 attached => {parent_tid=[5144]}, 88) = 5144 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5128] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5144] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5128] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... rseq resumed>) = 0 [pid 5139] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5144] set_robust_list(0x7f63f56e09a0, 24 [pid 5139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5144] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5130] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5130] <... futex resumed>) = 0 [pid 5139] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5127] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 0 [pid 5127] <... futex resumed>) = 1 [pid 5127] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... mmap resumed>) = 0x7f63f569f000 [pid 5139] <... mprotect resumed>) = 0 [pid 5130] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5129] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5130] <... mprotect resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] <... mmap resumed>) = 0x7f63f569f000 [pid 5139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5129] <... mprotect resumed>) = 0 [pid 5130] <... clone3 resumed> => {parent_tid=[5145]}, 88) = 5145 ./strace-static-x86_64: Process 5145 attached [pid 5139] <... clone3 resumed> => {parent_tid=[5146]}, 88) = 5146 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5146 attached [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5145] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5145] <... rseq resumed>) = 0 [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5147 attached [pid 5146] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5145] set_robust_list(0x7f63f56bf9a0, 24 [pid 5139] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5146] <... rseq resumed>) = 0 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] set_robust_list(0x7f63fda019a0, 24 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... futex resumed>) = 0 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5145] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5130] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5129] <... clone3 resumed> => {parent_tid=[5147]}, 88) = 5147 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... mmap resumed>) = 0x7f63f569f000 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5147] <... rseq resumed>) = 0 [pid 5146] <... mmap resumed>) = 0x7f63f55e1000 [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5147] set_robust_list(0x7f63f56bf9a0, 24 [pid 5146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] <... mprotect resumed>) = 0 [pid 5127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5147] <... set_robust_list resumed>) = 0 [pid 5129] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] <... futex resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5147] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5148 attached => {parent_tid=[5148]}, 88) = 5148 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5128] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5148] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5148] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5148] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5148] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] <... futex resumed>) = 0 [pid 5143] openat(AT_FDCWD, 0x20000000, O_RDONLY) = 5 [pid 5143] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = 0 [pid 5132] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5128] <... futex resumed>) = 1 [pid 5148] sendfile(-1, -1, NULL, 4 [pid 5143] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5128] <... futex resumed>) = 0 [pid 5148] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... openat resumed>) = 5 [pid 5128] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5128] <... futex resumed>) = 0 [pid 5148] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5148] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5128] <... futex resumed>) = 0 [pid 5148] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5128] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5148] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5137] <... madvise resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5137] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... ftruncate resumed>) = 0 [pid 5133] <... ftruncate resumed>) = 0 [pid 5131] exit_group(0 [pid 5130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5148] <... futex resumed>) = 1 [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = ? [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... exit_group resumed>) = ? [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5148] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] <... futex resumed>) = ? [pid 5137] <... futex resumed>) = ? [pid 5144] <... open resumed>) = 4 [pid 5142] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5140] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5136] <... open resumed>) = 3 [pid 5135] <... futex resumed>) = 0 [pid 5134] +++ exited with 0 +++ [pid 5133] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5128] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] +++ exited with 0 +++ [pid 5136] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5133] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 0 [pid 5148] openat(AT_FDCWD, ".", O_RDONLY [pid 5144] <... futex resumed>) = 0 [pid 5142] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5136] <... futex resumed>) = 0 [pid 5128] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... openat resumed>) = 5 [pid 5144] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5136] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... write resumed>) = 1048576 [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5148] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5128] <... futex resumed>) = 0 [pid 5148] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] munmap(0x7f63f55e1000, 1048576 [pid 5143] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] exit_group(0 [pid 5148] <... futex resumed>) = ? [pid 5144] <... futex resumed>) = ? [pid 5136] <... futex resumed>) = ? [pid 5133] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 1 [pid 5128] <... exit_group resumed>) = ? [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5148] +++ exited with 0 +++ [pid 5146] <... munmap resumed>) = 0 [pid 5144] +++ exited with 0 +++ [pid 5141] <... madvise resumed>) = 0 [pid 5136] +++ exited with 0 +++ [pid 5135] <... madvise resumed>) = 0 [pid 5133] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] +++ exited with 0 +++ [pid 5046] restart_syscall(<... resuming interrupted clone ...> [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5146] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5141] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... madvise resumed>) = 0 [pid 5046] <... restart_syscall resumed>) = 0 [pid 5146] <... openat resumed>) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5133] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5133] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5127] exit_group(0 [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5141] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5046] <... openat resumed>) = 3 [pid 5130] <... futex resumed>) = 0 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5130] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] <... ioctl resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5146] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5146] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5052] <... ioctl resumed>) = 0 [pid 5146] close(4 [pid 5052] close(3 [pid 5146] <... close resumed>) = 0 [pid 5146] close(3 [pid 5141] <... futex resumed>) = ? [pid 5135] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5133] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5132] <... futex resumed>) = ? [pid 5127] <... exit_group resumed>) = ? [pid 5052] <... close resumed>) = 0 [pid 5046] close(3 [pid 5135] <... openat resumed>) = 5 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] <... close resumed>) = 0 [pid 5135] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5135] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] +++ exited with 0 +++ [pid 5133] <... openat resumed>) = 5 [pid 5130] <... futex resumed>) = 0 [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5150 ./strace-static-x86_64: Process 5150 attached [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5149 [pid 5133] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5129] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5149 attached [pid 5150] set_robust_list(0x555556e826a0, 24 [pid 5133] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] set_robust_list(0x555556e826a0, 24 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] <... set_robust_list resumed>) = 0 [pid 5150] <... prctl resumed>) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... close resumed>) = 0 [pid 5149] <... prctl resumed>) = 0 [pid 5150] setpgid(0, 0 [pid 5149] setpgid(0, 0 [pid 5150] <... setpgid resumed>) = 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] +++ exited with 0 +++ [pid 5127] +++ exited with 0 +++ [pid 5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] <... openat resumed>) = 3 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] write(3, "1000", 4 [pid 5146] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5149] <... write resumed>) = 4 [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5149] close(3 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... close resumed>) = 0 [pid 5146] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5139] <... futex resumed>) = 0 [pid 5044] <... openat resumed>) = 3 [pid 5149] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... open resumed>) = 3 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5044] ioctl(3, LOOP_CLR_FD [pid 5150] <... openat resumed>) = 3 [pid 5149] <... futex resumed>) = 0 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] write(3, "1000", 4 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5146] <... futex resumed>) = 0 [pid 5044] <... ioctl resumed>) = 0 [pid 5150] <... write resumed>) = 4 [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5044] close(3 [pid 5150] close(3 [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5146] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5044] <... close resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 0 [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 1 [pid 5149] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5146] ftruncate(4, 33587195 [pid 5149] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5151 attached [pid 5150] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5151 [pid 5151] set_robust_list(0x555556e826a0, 24 [pid 5150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... ftruncate 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=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5152]}, 88) = 5152 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5149] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5151] <... prctl resumed>) = 0 [pid 5151] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5152 attached [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] <... futex resumed>) = 0 [pid 5146] sendfile(3, 4, NULL, 4 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5152] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5151] <... openat resumed>) = 3 [pid 5150] <... mprotect resumed>) = 0 [pid 5146] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... rseq resumed>) = 0 [pid 5152] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] memfd_create("syzkaller", 0 [pid 5151] write(3, "1000", 4 [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5152] <... memfd_create resumed>) = 3 [pid 5151] <... write resumed>) = 4 [pid 5150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5151] close(3 [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5151] <... close resumed>) = 0 [pid 5152] <... mmap resumed>) = 0x7f63f55e1000 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5146] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5151] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5146] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5151] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [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"..., 1048576 [pid 5151] <... mprotect resumed>) = 0 [pid 5139] <... futex resumed>) = 0 [pid 5150] <... clone3 resumed> => {parent_tid=[5153]}, 88) = 5153 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5154]}, 88) = 5154 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5154 attached ./strace-static-x86_64: Process 5153 attached [pid 5151] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5151] <... futex resumed>) = 0 [pid 5154] <... rseq resumed>) = 0 [pid 5151] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5153] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [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"..., 1048576 [pid 5153] <... rseq resumed>) = 0 [pid 5145] <... mmap resumed>) = 0x20000000 [pid 5153] set_robust_list(0x7f63fda019a0, 24 [pid 5147] <... mmap resumed>) = 0x20000000 [pid 5145] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5130] exit_group(0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... exit_group resumed>) = ? [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... futex resumed>) = ? [pid 5135] <... futex resumed>) = ? [pid 5142] +++ exited with 0 +++ [pid 5135] +++ exited with 0 +++ [pid 5147] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] memfd_create("syzkaller", 0 [pid 5147] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] exit_group(0 [pid 5147] <... futex resumed>) = ? [pid 5140] <... futex resumed>) = ? [pid 5133] <... futex resumed>) = ? [pid 5129] <... exit_group resumed>) = ? [pid 5153] <... memfd_create resumed>) = 3 [pid 5147] +++ exited with 0 +++ [pid 5140] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5146] <... mmap resumed>) = 0x20000000 [pid 5153] <... mmap resumed>) = 0x7f63f55e1000 [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5139] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [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"..., 1048576 [pid 5152] <... write resumed>) = 1048576 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] munmap(0x7f63f55e1000, 1048576 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] +++ exited with 0 +++ [pid 5139] <... mmap resumed>) = 0x7f63f56c0000 [pid 5130] +++ exited with 0 +++ [pid 5152] <... munmap resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5139] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5139] <... mprotect resumed>) = 0 [pid 5152] ioctl(4, LOOP_SET_FD, 3 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5154] <... write resumed>) = 1048576 [pid 5153] <... write resumed>) = 1048576 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5129] +++ exited with 0 +++ [pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5154] munmap(0x7f63f55e1000, 1048576 [pid 5153] munmap(0x7f63f55e1000, 1048576 [pid 5139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5154] <... munmap resumed>) = 0 [pid 5152] ioctl(4, LOOP_CLR_FD [pid 5056] <... openat resumed>) = 3 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5153] <... munmap resumed>) = 0 [pid 5152] <... ioctl resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5155 attached [pid 5154] <... openat resumed>) = 4 [pid 5153] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5155] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5153] <... openat resumed>) = 4 [pid 5139] <... clone3 resumed> => {parent_tid=[5155]}, 88) = 5155 [pid 5056] <... ioctl resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5153] ioctl(4, LOOP_SET_FD, 3 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] close(3 [pid 5155] <... rseq resumed>) = 0 [pid 5154] ioctl(4, LOOP_CLR_FD [pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5152] ioctl(4, LOOP_SET_FD, 3 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5155] set_robust_list(0x7f63f56e09a0, 24 [pid 5154] <... ioctl resumed>) = 0 [pid 5153] ioctl(4, LOOP_CLR_FD [pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5139] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5155] <... set_robust_list resumed>) = 0 [pid 5153] <... ioctl resumed>) = 0 [pid 5152] close(4 [pid 5139] <... futex resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] <... close resumed>) = 0 [pid 5139] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] <... ioctl resumed>) = 0 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] close(3 [pid 5045] close(3 [pid 5155] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5152] <... close resumed>) = 0 ./strace-static-x86_64: Process 5156 attached [pid 5153] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5156 [pid 5045] <... close resumed>) = 0 [pid 5156] set_robust_list(0x555556e826a0, 24 [pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5156] <... set_robust_list resumed>) = 0 [pid 5154] close(4 [pid 5153] close(4 [pid 5154] <... close resumed>) = 0 [pid 5154] close(3 [pid 5153] <... close resumed>) = 0 ./strace-static-x86_64: Process 5157 attached [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] close(3 [pid 5156] <... prctl resumed>) = 0 [pid 5152] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] set_robust_list(0x555556e826a0, 24 [pid 5156] setpgid(0, 0 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] <... setpgid resumed>) = 0 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5157 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] <... futex resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... prctl resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... futex resumed>) = 1 [pid 5157] setpgid(0, 0) = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] <... openat resumed>) = 3 [pid 5157] <... openat resumed>) = 3 [pid 5156] write(3, "1000", 4) = 4 [pid 5154] <... close resumed>) = 0 [pid 5152] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5139] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5139] <... futex resumed>) = 1 [pid 5157] write(3, "1000", 4 [pid 5156] close(3 [pid 5139] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... write resumed>) = 4 [pid 5156] <... close resumed>) = 0 [pid 5157] close(3 [pid 5154] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... close resumed>) = 0 [pid 5154] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 0 [pid 5157] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5151] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5156] <... futex resumed>) = 0 [pid 5156] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5153] <... close resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5157] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5156] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5156] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5156] <... mprotect resumed>) = 0 [pid 5156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0}./strace-static-x86_64: Process 5158 attached [pid 5153] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 ./strace-static-x86_64: Process 5159 attached [pid 5149] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5159] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5149] <... mprotect resumed>) = 0 [pid 5159] <... rseq resumed>) = 0 [pid 5159] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5159] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5158] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5157] <... clone3 resumed> => {parent_tid=[5158]}, 88) = 5158 [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 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=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5156] <... clone3 resumed> => {parent_tid=[5159]}, 88) = 5159 [pid 5153] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... clone3 resumed> => {parent_tid=[5160]}, 88) = 5160 [pid 5158] <... rseq resumed>) = 0 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] set_robust_list(0x7f63fda019a0, 24 [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] <... futex resumed>) = 0 [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5160 attached [pid 5159] <... futex resumed>) = 0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5156] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5159] memfd_create("syzkaller", 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5153] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5149] <... futex resumed>) = 0 [pid 5160] <... rseq resumed>) = 0 [pid 5159] <... memfd_create resumed>) = 3 [pid 5158] memfd_create("syzkaller", 0 [pid 5149] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] set_robust_list(0x7f63f56e09a0, 24 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5158] <... memfd_create resumed>) = 3 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] <... mmap resumed>) = 0x7f63f55e1000 [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5158] <... mmap resumed>) = 0x7f63f55e1000 [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5151] <... mmap resumed>) = 0x7f63f56c0000 [pid 5151] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} => {parent_tid=[5161]}, 88) = 5161 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5151] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5161 attached [pid 5151] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5161] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] <... write resumed>) = 1048576 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] munmap(0x7f63f55e1000, 1048576 [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5150] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5158] <... munmap resumed>) = 0 [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5158] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5159] <... write resumed>) = 1048576 [pid 5158] <... openat resumed>) = 4 [pid 5150] <... mmap resumed>) = 0x7f63f56c0000 [pid 5149] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] ioctl(4, LOOP_SET_FD, 3 [pid 5150] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5150] <... mprotect resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5158] ioctl(4, LOOP_CLR_FD [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5158] <... ioctl resumed>) = 0 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5158] ioctl(4, LOOP_SET_FD, 3 [pid 5149] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5150] <... clone3 resumed> => {parent_tid=[5162]}, 88) = 5162 ./strace-static-x86_64: Process 5162 attached [pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] <... mprotect resumed>) = 0 [pid 5162] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5158] close(4 [pid 5159] munmap(0x7f63f55e1000, 1048576 [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5159] <... munmap resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] <... rseq resumed>) = 0 [pid 5158] <... close 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=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5162] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5149] <... clone3 resumed> => {parent_tid=[5163]}, 88) = 5163 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5149] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5163 attached [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5162] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] close(3 [pid 5149] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... rseq resumed>) = 0 [pid 5159] <... openat resumed>) = 4 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5163] set_robust_list(0x7f63f56bf9a0, 24 [pid 5159] ioctl(4, LOOP_SET_FD, 3 [pid 5149] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... set_robust_list resumed>) = 0 [pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5150] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] ioctl(4, LOOP_CLR_FD [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... ioctl resumed>) = 0 [pid 5162] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5163] ftruncate(-1, 33587195 [pid 5162] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5150] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] ioctl(4, LOOP_SET_FD, 3 [pid 5163] <... futex resumed>) = 1 [pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5149] <... futex resumed>) = 0 [pid 5163] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] close(4 [pid 5149] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5159] <... close resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5163] sendfile(-1, -1, NULL, 4 [pid 5159] close(3 [pid 5149] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5163] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5163] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5163] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5149] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5163] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5151] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 1 [pid 5154] <... open resumed>) = 3 [pid 5153] <... open resumed>) = 3 [pid 5152] <... open resumed>) = 3 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5149] <... futex resumed>) = 0 [pid 5154] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] <... mmap resumed>) = 0x7f63f569f000 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5151] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5154] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... mprotect resumed>) = 0 [pid 5160] <... open resumed>) = 4 [pid 5151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... open resumed>) = 4 [pid 5161] <... open resumed>) = 4 [pid 5160] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... close resumed>) = 0 [pid 5158] <... close resumed>) = 0 [pid 5151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5161] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5161] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... futex resumed>) = 0 [pid 5151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5149] <... futex resumed>) = 1 [pid 5162] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5149] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... openat resumed>) = 5 [pid 5162] <... futex resumed>) = 1 [pid 5152] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5151] <... clone3 resumed> => {parent_tid=[5164]}, 88) = 5164 [pid 5150] <... futex resumed>) = 0 [pid 5162] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5164 attached [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] ftruncate(4, 33587195 [pid 5152] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5164] <... rseq resumed>) = 0 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5153] <... ftruncate resumed>) = 0 [pid 5152] openat(AT_FDCWD, ".", O_RDONLY [pid 5151] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5164] set_robust_list(0x7f63f56bf9a0, 24 [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... madvise resumed>) = 0 [pid 5153] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... openat resumed>) = 5 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5155] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 1 [pid 5152] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5146] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] exit_group(0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] <... futex resumed>) = 1 [pid 5158] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = ? [pid 5153] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... futex resumed>) = 1 [pid 5150] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5146] <... futex resumed>) = ? [pid 5139] <... exit_group resumed>) = ? [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... open resumed>) = 3 [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] +++ exited with 0 +++ [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... futex resumed>) = 0 [pid 5149] exit_group(0 [pid 5164] ftruncate(4, 33587195 [pid 5163] <... futex resumed>) = ? [pid 5160] <... futex resumed>) = ? [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5153] sendfile(3, 4, NULL, 4 [pid 5152] <... futex resumed>) = ? [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... exit_group resumed>) = ? [pid 5164] <... ftruncate resumed>) = 0 [pid 5163] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5164] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5159] <... open resumed>) = 3 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5153] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5151] <... futex resumed>) = 0 [pid 5164] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 1 [pid 5150] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5159] <... futex resumed>) = 1 [pid 5158] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... futex resumed>) = 0 [pid 5154] sendfile(3, 4, NULL, 4 [pid 5153] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... open resumed>) = 4 [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... openat resumed>) = 3 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5154] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5150] <... futex resumed>) = 0 [pid 5159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5159] <... open resumed>) = 4 [pid 5158] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5052] <... ioctl resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] <... futex resumed>) = 0 [pid 5154] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5151] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] ftruncate(4, 33587195 [pid 5052] close(3 [pid 5159] ftruncate(4, 33587195 [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5159] <... ftruncate resumed>) = 0 [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5165 attached ) = 1 [pid 5156] <... futex resumed>) = 0 [pid 5165] set_robust_list(0x555556e826a0, 24 [pid 5159] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5165 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] <... futex resumed>) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] sendfile(3, 4, NULL, 4 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... prctl resumed>) = 0 [pid 5146] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ [pid 5165] setpgid(0, 0 [pid 5159] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... ftruncate resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5165] <... setpgid resumed>) = 0 [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] <... futex resumed>) = 1 [pid 5156] <... futex resumed>) = 0 [pid 5165] <... openat resumed>) = 3 [pid 5159] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] write(3, "1000", 4 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 0 [pid 5165] <... write resumed>) = 4 [pid 5159] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5156] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5165] close(3 [pid 5158] sendfile(3, 4, NULL, 4 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5165] <... close resumed>) = 0 [pid 5158] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... openat resumed>) = 3 [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5165] <... futex resumed>) = 0 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5051] <... ioctl resumed>) = 0 [pid 5165] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5158] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5051] close(3 [pid 5165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5158] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5157] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... close resumed>) = 0 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5151] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5161] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5165] <... mprotect resumed>) = 0 [pid 5151] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] madvise(0x20000000, 6291467, MADV_REMOVE./strace-static-x86_64: Process 5166 attached [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5162] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5150] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] set_robust_list(0x555556e826a0, 24 [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5166 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0}./strace-static-x86_64: Process 5167 attached [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] <... clone3 resumed> => {parent_tid=[5167]}, 88) = 5167 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5167] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5166] <... prctl resumed>) = 0 [pid 5165] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... rseq resumed>) = 0 [pid 5166] setpgid(0, 0 [pid 5165] <... futex resumed>) = 0 [pid 5167] set_robust_list(0x7f63fda019a0, 24 [pid 5166] <... setpgid resumed>) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] <... openat resumed>) = 3 [pid 5166] write(3, "1000", 4) = 4 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] close(3 [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... close resumed>) = 0 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] memfd_create("syzkaller", 0 [pid 5166] <... futex resumed>) = 0 [pid 5166] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5167] <... memfd_create resumed>) = 3 [pid 5166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5167] <... mmap resumed>) = 0x7f63f55e1000 [pid 5166] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5166] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5168]}, 88) = 5168 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5156] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5168 attached ) = 0 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5168] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5156] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5168] <... rseq resumed>) = 0 [pid 5156] <... mprotect resumed>) = 0 [pid 5168] set_robust_list(0x7f63fda019a0, 24 [pid 5156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5168] <... set_robust_list resumed>) = 0 [pid 5167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5168] memfd_create("syzkaller", 0 [pid 5156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5157] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5151] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... memfd_create resumed>) = 3 [pid 5164] <... futex resumed>) = 0 [pid 5157] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5156] <... clone3 resumed> => {parent_tid=[5169]}, 88) = 5169 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5157] <... mprotect resumed>) = 0 [pid 5156] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5156] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5169 attached [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5168] <... mmap resumed>) = 0x7f63f55e1000 [pid 5157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5150] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... rseq resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] set_robust_list(0x7f63f56e09a0, 24 [pid 5150] <... mmap resumed>) = 0x7f63f569f000 ./strace-static-x86_64: Process 5170 attached [pid 5169] <... set_robust_list resumed>) = 0 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5169] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5157] <... clone3 resumed> => {parent_tid=[5170]}, 88) = 5170 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5157] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5150] <... mprotect resumed>) = 0 [pid 5170] <... rseq resumed>) = 0 [pid 5164] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5157] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5170] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5170] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5167] <... write resumed>) = 1048576 [pid 5164] <... openat resumed>) = 5 [pid 5150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5164] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... madvise resumed>) = 0 [pid 5151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5164] <... futex resumed>) = 0 [pid 5161] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] <... futex resumed>) = 0 [pid 5161] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5172 attached [pid 5167] munmap(0x7f63f55e1000, 1048576 [pid 5156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5150] <... clone3 resumed> => {parent_tid=[5172]}, 88) = 5172 [pid 5172] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5156] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] <... rseq resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5172] set_robust_list(0x7f63f56bf9a0, 24 [pid 5156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5156] <... mmap resumed>) = 0x7f63f569f000 [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5167] <... munmap resumed>) = 0 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5167] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5156] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5150] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5167] <... openat resumed>) = 4 [pid 5156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5167] ioctl(4, LOOP_CLR_FD) = 0 [pid 5156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5167] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5173 attached ) = -1 EBUSY (Device or resource busy) [pid 5173] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5167] close(4 [pid 5173] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5167] <... close resumed>) = 0 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5156] <... clone3 resumed> => {parent_tid=[5173]}, 88) = 5173 [pid 5173] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] close(3 [pid 5157] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] <... futex resumed>) = 0 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5156] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5156] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 0 [pid 5157] <... mmap resumed>) = 0x7f63f569f000 [pid 5157] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5168] <... write resumed>) = 1048576 [pid 5172] openat(AT_FDCWD, 0x20000000, O_RDONLY./strace-static-x86_64: Process 5174 attached [pid 5173] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5174] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5157] <... clone3 resumed> => {parent_tid=[5174]}, 88) = 5174 [pid 5174] <... rseq resumed>) = 0 [pid 5173] <... openat resumed>) = 5 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5174] set_robust_list(0x7f63f56bf9a0, 24 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... openat resumed>) = 5 [pid 5168] munmap(0x7f63f55e1000, 1048576 [pid 5167] <... close resumed>) = 0 [pid 5157] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 0 [pid 5172] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] <... futex resumed>) = 0 [pid 5157] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... madvise resumed>) = 0 [pid 5168] <... munmap resumed>) = 0 [pid 5169] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5167] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5167] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] <... futex resumed>) = 0 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5167] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] ioctl(4, LOOP_CLR_FD) = 0 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5168] close(4) = 0 [pid 5168] close(3) = 0 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5162] <... madvise resumed>) = 0 [pid 5162] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5162] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5165] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5174] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5170] <... madvise resumed>) = 0 [pid 5167] <... open resumed>) = 3 [pid 5165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5167] <... futex resumed>) = 0 [pid 5174] <... openat resumed>) = 5 [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... clone3 resumed> => {parent_tid=[5175]}, 88) = 5175 ./strace-static-x86_64: Process 5175 attached [pid 5174] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5174] <... futex resumed>) = 0 [pid 5170] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] <... rseq resumed>) = 0 [pid 5174] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5165] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] set_robust_list(0x7f63f56e09a0, 24 [pid 5168] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... futex resumed>) = 0 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5168] <... open resumed>) = 3 [pid 5165] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5175] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... open resumed>) = 4 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5175] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5168] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... futex resumed>) = 0 [pid 5175] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... open resumed>) = 4 [pid 5165] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5167] ftruncate(4, 33587195 [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] ftruncate(4, 33587195 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... ftruncate resumed>) = 0 [pid 5167] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... ftruncate resumed>) = 0 [pid 5167] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5165] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] sendfile(3, 4, NULL, 4 [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... futex resumed>) = 0 [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 0 [pid 5168] sendfile(3, 4, NULL, 4 [pid 5167] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5166] <... futex resumed>) = 1 [pid 5167] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... futex resumed>) = 1 [pid 5165] <... futex resumed>) = 0 [pid 5167] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5168] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5166] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... mmap resumed>) = 0x20000000 [pid 5153] <... mmap resumed>) = 0x20000000 [pid 5154] <... mmap resumed>) = 0x20000000 [pid 5159] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... mmap resumed>) = 0x20000000 [pid 5154] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5158] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] exit_group(0 [pid 5156] exit_group(0 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5150] exit_group(0 [pid 5174] <... futex resumed>) = ? [pid 5173] <... futex resumed>) = ? [pid 5172] <... futex resumed>) = ? [pid 5170] <... futex resumed>) = ? [pid 5169] <... futex resumed>) = ? [pid 5162] <... futex resumed>) = ? [pid 5158] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5156] <... exit_group resumed>) = ? [pid 5154] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... exit_group resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5172] +++ exited with 0 +++ [pid 5170] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] exit_group(0 [pid 5165] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5164] <... futex resumed>) = ? [pid 5161] <... futex resumed>) = ? [pid 5151] <... exit_group resumed>) = ? [pid 5164] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5175] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5165] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = ? [pid 5166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5166] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5166] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5159] +++ exited with 0 +++ [pid 5156] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5150] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5158] +++ exited with 0 +++ [pid 5157] +++ exited with 0 +++ [pid 5154] +++ exited with 0 +++ [pid 5151] +++ exited with 0 +++ ./strace-static-x86_64: Process 5176 attached [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5176] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5166] <... clone3 resumed> => {parent_tid=[5176]}, 88) = 5176 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5176] <... rseq resumed>) = 0 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... openat resumed>) = 3 [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5176] set_robust_list(0x7f63f56e09a0, 24 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5176] <... set_robust_list resumed>) = 0 [pid 5166] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... futex resumed>) = 0 [pid 5056] <... ioctl resumed>) = 0 [pid 5046] <... openat resumed>) = 3 [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] close(3 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5044] <... openat resumed>) = 3 [pid 5176] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5044] ioctl(3, LOOP_CLR_FD [pid 5056] <... close resumed>) = 0 [pid 5046] <... ioctl resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] close(3 [pid 5044] <... ioctl resumed>) = 0 [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] close(3 [pid 5165] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... close resumed>) = 0 [pid 5044] <... close resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5165] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5045] <... openat resumed>) = 3 [pid 5165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5178 attached => {parent_tid=[5178]}, 88) = 5178 [pid 5178] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] <... rseq resumed>) = 0 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] set_robust_list(0x7f63f56bf9a0, 24 [pid 5165] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5165] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5180 attached ./strace-static-x86_64: Process 5177 attached [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5045] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5179 attached [pid 5180] set_robust_list(0x555556e826a0, 24 [pid 5177] set_robust_list(0x555556e826a0, 24 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5180 [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5179 [pid 5045] close(3 [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5177 [pid 5179] set_robust_list(0x555556e826a0, 24 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5045] <... close resumed>) = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] <... prctl resumed>) = 0 [pid 5177] <... prctl resumed>) = 0 [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5179] <... prctl resumed>) = 0 [pid 5180] setpgid(0, 0 [pid 5177] setpgid(0, 0 [pid 5179] setpgid(0, 0 [pid 5180] <... setpgid resumed>) = 0 [pid 5179] <... setpgid resumed>) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] <... setpgid resumed>) = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] <... openat resumed>) = 3 [pid 5177] <... openat resumed>) = 3 [pid 5180] write(3, "1000", 4 [pid 5179] <... openat resumed>) = 3 [pid 5180] <... write resumed>) = 4 ./strace-static-x86_64: Process 5181 attached [pid 5180] close(3 [pid 5177] write(3, "1000", 4 [pid 5181] set_robust_list(0x555556e826a0, 24 [pid 5180] <... close resumed>) = 0 [pid 5177] <... write resumed>) = 4 [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] close(3 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5179] write(3, "1000", 4 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5181 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5179] <... write resumed>) = 4 [pid 5180] <... futex resumed>) = 0 [pid 5177] <... close resumed>) = 0 [pid 5181] <... prctl resumed>) = 0 [pid 5179] close(3 [pid 5180] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] setpgid(0, 0 [pid 5179] <... close resumed>) = 0 [pid 5180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5181] <... setpgid resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5179] <... futex resumed>) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5179] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5180] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5181] <... openat resumed>) = 3 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5177] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5181] write(3, "1000", 4 [pid 5179] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5177] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5182 attached [pid 5181] <... write resumed>) = 4 [pid 5179] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5182] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5181] close(3 [pid 5179] <... mprotect resumed>) = 0 [pid 5180] <... clone3 resumed> => {parent_tid=[5182]}, 88) = 5182 [pid 5182] <... rseq resumed>) = 0 [pid 5181] <... close resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] set_robust_list(0x7f63fda019a0, 24 [pid 5179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5180] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... futex resumed>) = 0 [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5180] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5184 attached [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5181] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5183 attached [pid 5179] <... clone3 resumed> => {parent_tid=[5184]}, 88) = 5184 [pid 5177] <... clone3 resumed> => {parent_tid=[5183]}, 88) = 5183 [pid 5184] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5183] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5182] memfd_create("syzkaller", 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] <... rseq resumed>) = 0 [pid 5183] <... rseq resumed>) = 0 [pid 5182] <... memfd_create resumed>) = 3 [pid 5181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] set_robust_list(0x7f63fda019a0, 24 [pid 5183] set_robust_list(0x7f63fda019a0, 24 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5179] <... futex resumed>) = 0 [pid 5177] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5177] <... futex resumed>) = 0 [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] <... mmap resumed>) = 0x7f63f55e1000 [pid 5181] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] memfd_create("syzkaller", 0 [pid 5181] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5166] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5184] <... memfd_create resumed>) = 3 [pid 5183] memfd_create("syzkaller", 0 [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5181] <... mprotect resumed>) = 0 [pid 5166] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5166] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} => {parent_tid=[5185]}, 88) = 5185 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5166] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5166] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5185 attached [pid 5184] <... mmap resumed>) = 0x7f63f55e1000 [pid 5185] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5185] <... rseq resumed>) = 0 [pid 5185] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5178] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5185] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5183] <... memfd_create resumed>) = 3 [pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5185] <... openat resumed>) = 5 [pid 5183] <... mmap resumed>) = 0x7f63f55e1000 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5178] <... openat resumed>) = 5 [pid 5185] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5185] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5178] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5175] <... madvise resumed>) = 0 [pid 5175] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... clone3 resumed> => {parent_tid=[5186]}, 88) = 5186 [pid 5175] <... futex resumed>) = 0 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5186 attached ) = 0 [pid 5186] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5186] <... rseq resumed>) = 0 [pid 5186] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5186] memfd_create("syzkaller", 0 [pid 5183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5186] <... memfd_create resumed>) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5184] <... write resumed>) = 1048576 [pid 5186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5184] munmap(0x7f63f55e1000, 1048576 [pid 5182] <... write resumed>) = 1048576 [pid 5176] <... madvise resumed>) = 0 [pid 5176] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] <... munmap resumed>) = 0 [pid 5182] munmap(0x7f63f55e1000, 1048576 [pid 5184] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5182] <... munmap resumed>) = 0 [pid 5184] <... openat resumed>) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5184] ioctl(4, LOOP_CLR_FD [pid 5182] <... openat resumed>) = 4 [pid 5184] <... ioctl resumed>) = 0 [pid 5183] <... write resumed>) = 1048576 [pid 5182] ioctl(4, LOOP_SET_FD, 3 [pid 5183] munmap(0x7f63f55e1000, 1048576 [pid 5182] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5182] ioctl(4, LOOP_CLR_FD [pid 5184] ioctl(4, LOOP_SET_FD, 3 [pid 5183] <... munmap resumed>) = 0 [pid 5182] <... ioctl resumed>) = 0 [pid 5186] <... write resumed>) = 1048576 [pid 5183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5183] ioctl(4, LOOP_CLR_FD) = 0 [pid 5183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5184] close(4) = 0 [pid 5184] close(3 [pid 5183] close(4) = 0 [pid 5186] munmap(0x7f63f55e1000, 1048576 [pid 5183] close(3 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] close(4) = 0 [ 92.138063][ T5065] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 5182] close(3 [pid 5186] <... munmap resumed>) = 0 [pid 5182] <... close resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 1 [pid 5184] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... openat resumed>) = 4 [pid 5179] <... futex resumed>) = 0 [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5184] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... open resumed>) = 3 [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] ioctl(4, LOOP_SET_FD, 3 [pid 5184] <... futex resumed>) = 1 [pid 5184] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5186] ioctl(4, LOOP_CLR_FD [pid 5183] <... close resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5186] <... ioctl resumed>) = 0 [pid 5183] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5184] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5182] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... open resumed>) = 4 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... open resumed>) = 3 [pid 5186] ioctl(4, LOOP_SET_FD, 3 [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5182] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5184] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5184] ftruncate(4, 33587195 [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5183] <... open resumed>) = 3 [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] close(4 [pid 5183] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5183] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... close resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... futex resumed>) = 0 [pid 5186] close(3 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 92.222803][ T5065] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... ftruncate resumed>) = 0 [pid 5183] <... open resumed>) = 4 [pid 5182] <... open resumed>) = 4 [pid 5182] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5182] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] <... futex resumed>) = 0 [pid 5182] ftruncate(4, 33587195 [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5183] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... futex resumed>) = 0 [pid 5183] ftruncate(4, 33587195 [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... close resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] sendfile(3, 4, NULL, 4 [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5180] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5180] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5187 attached [pid 5187] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5187] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5180] <... clone3 resumed> => {parent_tid=[5187]}, 88) = 5187 [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5187] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5177] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5188 attached [pid 5186] <... futex resumed>) = 1 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5186] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5180] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5187] <... futex resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5179] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... clone3 resumed> => {parent_tid=[5188]}, 88) = 5188 [pid 5188] <... rseq resumed>) = 0 [pid 5187] sendfile(3, 4, NULL, 4 [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] set_robust_list(0x7f63f56e09a0, 24 [pid 5186] <... futex resumed>) = 0 [pid 5181] <... futex resumed>) = 1 [pid 5188] <... set_robust_list resumed>) = 0 [pid 5186] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [ 92.311548][ T5065] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1213: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] rt_sigprocmask(SIG_SETMASK, [], [pid 5182] <... ftruncate resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5188] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] <... mmap resumed>) = 0x7f63f56c0000 [pid 5177] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5177] <... futex resumed>) = 0 [pid 5188] sendfile(3, 4, NULL, 4 [pid 5179] <... mprotect resumed>) = 0 [pid 5177] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... ftruncate resumed>) = 0 [pid 5182] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5183] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 0 [pid 5179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5188] <... sendfile resumed>) = 4 [pid 5187] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5183] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5187] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5188] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] <... futex resumed>) = 1 [pid 5186] <... open resumed>) = 3 [pid 5184] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5179] <... clone3 resumed> => {parent_tid=[5189]}, 88) = 5189 [pid 5180] <... futex resumed>) = 0 [pid 5177] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 1 [pid 5186] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5183] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5182] <... futex resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5177] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5189 attached [pid 5186] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... mmap resumed>) = 0x20000000 [pid 5189] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5168] <... mmap resumed>) = 0x20000000 [pid 5189] <... rseq resumed>) = 0 [pid 5186] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5179] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... open resumed>) = 4 [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5186] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] set_robust_list(0x7f63f56e09a0, 24 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5186] ftruncate(4, 33587195 [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5168] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5168] <... futex resumed>) = 0 [pid 5168] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] exit_group(0 [pid 5176] <... futex resumed>) = ? [pid 5167] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... exit_group resumed>) = ? [pid 5176] +++ exited with 0 +++ [pid 5167] <... futex resumed>) = 0 [pid 5167] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] exit_group(0 [pid 5175] <... futex resumed>) = ? [pid 5167] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? [pid 5175] +++ exited with 0 +++ [pid 5168] <... futex resumed>) = ? [pid 5168] +++ exited with 0 +++ [pid 5185] <... futex resumed>) = ? [pid 5178] <... futex resumed>) = ? [pid 5167] +++ exited with 0 +++ [pid 5186] <... ftruncate resumed>) = 0 [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5186] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 0 [pid 5186] sendfile(3, 4, NULL, 4 [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5186] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5181] <... futex resumed>) = 0 [pid 5177] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = 0 [pid 5181] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... futex resumed>) = 1 [pid 5188] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5177] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5186] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5185] +++ exited with 0 +++ [pid 5179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5166] +++ exited with 0 +++ [pid 5179] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5187] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 1 [pid 5187] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5184] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5179] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5180] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = 0 [pid 5051] close(3 [pid 5178] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5190 attached [pid 5177] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5190] set_robust_list(0x555556e826a0, 24 [pid 5181] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5190 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... openat resumed>) = 3 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5190] setpgid(0, 0 [pid 5052] <... ioctl resumed>) = 0 [pid 5190] <... setpgid resumed>) = 0 [pid 5052] close(3 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... close resumed>) = 0 [pid 5190] <... openat resumed>) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] close(3 [pid 5179] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5190] <... close resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5180] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5179] <... mmap resumed>) = 0x7f63f569f000 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5179] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5191 attached ) = 0 [pid 5190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5191] set_robust_list(0x555556e826a0, 24 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5192 attached [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5192] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5191] <... prctl resumed>) = 0 [pid 5190] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5192] <... rseq resumed>) = 0 [pid 5192] set_robust_list(0x7f63f56bf9a0, 24 [pid 5191] setpgid(0, 0 [pid 5190] <... mprotect resumed>) = 0 [pid 5179] <... clone3 resumed> => {parent_tid=[5192]}, 88) = 5192 [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5191 [pid 5191] <... setpgid resumed>) = 0 [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5191] <... openat resumed>) = 3 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... clone3 resumed> => {parent_tid=[5193]}, 88) = 5193 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] write(3, "1000", 4 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5191] <... write resumed>) = 4 ./strace-static-x86_64: Process 5193 attached [pid 5192] <... futex resumed>) = 0 [pid 5191] close(3 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5179] <... futex resumed>) = 1 [pid 5193] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5191] <... close resumed>) = 0 [pid 5193] <... rseq resumed>) = 0 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] set_robust_list(0x7f63fda019a0, 24 [pid 5191] <... futex resumed>) = 0 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5191] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5191] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5193] memfd_create("syzkaller", 0) = 3 [pid 5191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5179] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... mmap resumed>) = 0x7f63f55e1000 [pid 5193] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5191] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0}./strace-static-x86_64: Process 5194 attached [pid 5194] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5191] <... clone3 resumed> => {parent_tid=[5194]}, 88) = 5194 [pid 5194] <... rseq resumed>) = 0 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] set_robust_list(0x7f63fda019a0, 24 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] <... futex resumed>) = 0 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5194] memfd_create("syzkaller", 0) = 3 [pid 5180] <... mmap resumed>) = 0x7f63f569f000 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5180] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5194] <... mmap resumed>) = 0x7f63f55e1000 [pid 5180] <... mprotect resumed>) = 0 [pid 5192] openat(AT_FDCWD, 0x20000000, O_RDONLY) = 5 [pid 5188] <... madvise resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5177] <... mmap resumed>) = 0x7f63f569f000 [pid 5192] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5192] <... futex resumed>) = 1 [pid 5188] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5192] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5188] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... mprotect resumed>) = 0 [pid 5180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5196 attached ./strace-static-x86_64: Process 5195 attached [pid 5180] <... clone3 resumed> => {parent_tid=[5196]}, 88) = 5196 [pid 5177] <... clone3 resumed> => {parent_tid=[5195]}, 88) = 5195 [pid 5196] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5195] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] <... rseq resumed>) = 0 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] set_robust_list(0x7f63f56bf9a0, 24 [pid 5180] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5195] <... rseq resumed>) = 0 [pid 5180] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] set_robust_list(0x7f63f56bf9a0, 24 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5196] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5195] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5181] <... mmap resumed>) = 0x7f63f56c0000 [pid 5181] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5196] <... openat resumed>) = 5 [pid 5181] <... mprotect resumed>) = 0 [pid 5196] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5196] <... futex resumed>) = 1 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5196] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5195] <... openat resumed>) = 5 [pid 5187] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 5197 attached [pid 5181] <... clone3 resumed> => {parent_tid=[5197]}, 88) = 5197 [pid 5197] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5195] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... rseq resumed>) = 0 [pid 5195] <... futex resumed>) = 1 [pid 5194] <... write resumed>) = 1048576 [pid 5187] <... futex resumed>) = 0 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... futex resumed>) = 0 [pid 5197] set_robust_list(0x7f63f56e09a0, 24 [pid 5195] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] munmap(0x7f63f55e1000, 1048576 [pid 5187] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... set_robust_list resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... write resumed>) = 1048576 [pid 5197] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5193] munmap(0x7f63f55e1000, 1048576 [pid 5194] <... munmap resumed>) = 0 [pid 5193] <... munmap resumed>) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5193] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] <... openat resumed>) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3 [pid 5193] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] ioctl(4, LOOP_CLR_FD [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5193] close(4 [pid 5194] <... ioctl resumed>) = 0 [pid 5193] <... close resumed>) = 0 [pid 5193] close(3 [pid 5184] <... madvise resumed>) = 0 [pid 5184] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] ioctl(4, LOOP_SET_FD, 3 [pid 5184] <... futex resumed>) = 0 [pid 5184] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5194] close(4) = 0 [pid 5194] close(3 [pid 5181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5181] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5181] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] <... close resumed>) = 0 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5194] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5191] <... futex resumed>) = 0 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... close resumed>) = 0 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5198 attached [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 1 [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5198] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... madvise resumed>) = 0 [pid 5181] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5198] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] <... futex resumed>) = 0 [pid 5181] <... futex resumed>) = 1 [pid 5198] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5197] <... futex resumed>) = 0 [pid 5194] <... open resumed>) = 3 [pid 5193] <... open resumed>) = 3 [pid 5198] <... openat resumed>) = 5 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5194] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5194] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5193] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... open resumed>) = 4 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] <... futex resumed>) = 1 [pid 5194] <... open resumed>) = 4 [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... futex resumed>) = 0 [pid 5198] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = 1 [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] ftruncate(4, 33587195 [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] ftruncate(4, 33587195 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] <... ftruncate resumed>) = 0 [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5193] sendfile(3, 4, NULL, 4 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... ftruncate resumed>) = 0 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5191] <... futex resumed>) = 0 [pid 5194] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5194] sendfile(3, 4, NULL, 4 [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... sendfile resumed>) = -1 EINVAL (Invalid argument) [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 1 [pid 5191] <... futex resumed>) = 0 [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0 [pid 5190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5190] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5191] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5183] <... mmap resumed>) = 0x20000000 [pid 5182] <... mmap resumed>) = 0x20000000 [pid 5183] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5189] <... mmap resumed>) = 0x20000000 [pid 5186] <... mmap resumed>) = 0x20000000 [pid 5183] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] exit_group(0 [pid 5177] exit_group(0 [pid 5188] <... futex resumed>) = ? [pid 5177] <... exit_group resumed>) = ? [pid 5196] <... futex resumed>) = ? [pid 5188] +++ exited with 0 +++ [pid 5182] <... futex resumed>) = ? [pid 5180] <... exit_group resumed>) = ? [pid 5182] +++ exited with 0 +++ [pid 5196] +++ exited with 0 +++ [pid 5195] <... futex resumed>) = ? [pid 5187] <... futex resumed>) = ? [pid 5195] +++ exited with 0 +++ [pid 5189] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = ? [pid 5181] exit_group(0 [pid 5198] <... futex resumed>) = ? [pid 5197] <... futex resumed>) = ? [pid 5181] <... exit_group resumed>) = ? [pid 5198] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5189] <... futex resumed>) = 0 [pid 5189] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5186] <... futex resumed>) = ? [pid 5179] exit_group(0 [pid 5192] <... futex resumed>) = ? [pid 5189] <... futex resumed>) = ? [pid 5179] <... exit_group resumed>) = ? [pid 5192] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5184] <... futex resumed>) = ? [pid 5190] <... mmap resumed>) = 0x7f63f56c0000 [pid 5190] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5194] <... mmap resumed>) = 0x20000000 [pid 5191] <... mmap resumed>) = 0x7f63f56c0000 [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5191] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5190] <... clone3 resumed> => {parent_tid=[5199]}, 88) = 5199 ./strace-static-x86_64: Process 5199 attached [pid 5191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] <... rseq resumed>) = 0 [pid 5191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5190] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] set_robust_list(0x7f63f56e09a0, 24 [pid 5190] <... futex resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5191] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5190] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5200 attached [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5200] <... rseq resumed>) = 0 [pid 5199] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5193] <... mmap resumed>) = 0x20000000 [pid 5191] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] set_robust_list(0x7f63f56e09a0, 24 [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5191] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] +++ exited with 0 +++ [pid 5180] +++ exited with 0 +++ [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5200] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5194] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... openat resumed>) = 3 [pid 5186] +++ exited with 0 +++ [pid 5181] +++ exited with 0 +++ [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5045] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5183] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5045] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5044] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5045] <... openat resumed>) = 3 [pid 5044] <... openat resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x555556e82690) = 5201 [pid 5045] ioctl(3, LOOP_CLR_FD [pid 5044] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5201 attached ) = 0 [pid 5201] set_robust_list(0x555556e826a0, 24 [pid 5184] +++ exited with 0 +++ [pid 5179] +++ exited with 0 +++ [pid 5045] <... ioctl resumed>) = 0 [pid 5044] close(3 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5046] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5044] <... close resumed>) = 0 [pid 5190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5045] close(3./strace-static-x86_64: Process 5202 attached [pid 5201] <... prctl resumed>) = 0 [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5190] <... futex resumed>) = 1 [pid 5191] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] setpgid(0, 0 [pid 5046] <... openat resumed>) = 3 [pid 5044] <... clone resumed>, child_tidptr=0x555556e82690) = 5202 [pid 5201] <... setpgid resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5046] ioctl(3, LOOP_CLR_FD [pid 5045] <... close resumed>) = 0 [pid 5191] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] <... futex resumed>) = 0 [pid 5046] <... ioctl resumed>) = 0 [pid 5046] close(3 [pid 5202] set_robust_list(0x555556e826a0, 24 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5046] <... close resumed>) = 0 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5046] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5202] <... prctl resumed>) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... openat resumed>) = 3 [pid 5045] <... clone resumed>, child_tidptr=0x555556e82690) = 5203 [pid 5202] <... openat resumed>) = 3 [pid 5202] write(3, "1000", 4./strace-static-x86_64: Process 5203 attached [pid 5201] write(3, "1000", 4 [pid 5202] <... write resumed>) = 4 [pid 5203] set_robust_list(0x555556e826a0, 24 [pid 5202] close(3 [pid 5201] <... write resumed>) = 4 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] <... close resumed>) = 0 [pid 5046] <... clone resumed>, child_tidptr=0x555556e82690) = 5204 [pid 5202] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5204 attached [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] <... futex resumed>) = 0 [pid 5201] close(3 [pid 5199] <... madvise resumed>) = 0 [pid 5204] set_robust_list(0x555556e826a0, 24 [pid 5203] <... prctl resumed>) = 0 [pid 5202] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5201] <... close resumed>) = 0 [pid 5199] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] setpgid(0, 0 [pid 5202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5201] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... setpgid resumed>) = 0 [pid 5202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5201] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5199] futex(0x7f63fdacb618, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] <... prctl resumed>) = 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5204] setpgid(0, 0 [pid 5203] <... openat resumed>) = 3 [pid 5202] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... setpgid resumed>) = 0 [pid 5203] write(3, "1000", 4 [pid 5202] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5203] <... write resumed>) = 4 [pid 5202] <... mprotect resumed>) = 0 [pid 5201] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5204] <... openat resumed>) = 3 [pid 5203] close(3 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5201] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5204] write(3, "1000", 4 [pid 5203] <... close resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5204] <... write resumed>) = 4 [pid 5203] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5201] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5205 attached [pid 5204] close(3 [pid 5203] <... futex resumed>) = 0 [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5202] <... clone3 resumed> => {parent_tid=[5205]}, 88) = 5205 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5203] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5205] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5204] <... close resumed>) = 0 [pid 5203] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5202] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5205] <... rseq resumed>) = 0 [pid 5204] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5202] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5206 attached [pid 5205] set_robust_list(0x7f63fda019a0, 24 [pid 5204] <... futex resumed>) = 0 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] <... madvise resumed>) = 0 [pid 5194] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5206] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5201] <... clone3 resumed> => {parent_tid=[5206]}, 88) = 5206 [pid 5200] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... openat resumed>) = 5 [pid 5190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5206] <... rseq resumed>) = 0 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5203] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] <... futex resumed>) = 0 [pid 5194] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] openat(AT_FDCWD, 0x20000000, O_RDONLY [pid 5191] exit_group(0 [pid 5206] set_robust_list(0x7f63fda019a0, 24 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5203] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... futex resumed>) = ? [pid 5193] <... openat resumed>) = 5 [pid 5191] <... exit_group resumed>) = ? [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] memfd_create("syzkaller", 0 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] <... mprotect resumed>) = 0 [pid 5201] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] +++ exited with 0 +++ [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... memfd_create resumed>) = 3 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5203] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5201] <... futex resumed>) = 0 [pid 5193] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] exit_group(0 [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5204] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5203] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5201] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] <... futex resumed>) = ? [pid 5193] <... futex resumed>) = ? [pid 5190] <... exit_group resumed>) = ? [pid 5206] memfd_create("syzkaller", 0 [pid 5205] <... mmap resumed>) = 0x7f63f55e1000 [pid 5204] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5199] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ ./strace-static-x86_64: Process 5207 attached [pid 5206] <... memfd_create resumed>) = 3 [pid 5205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5204] <... mprotect resumed>) = 0 [pid 5207] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5207] <... rseq resumed>) = 0 [pid 5207] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5207] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... clone3 resumed> => {parent_tid=[5207]}, 88) = 5207 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5203] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5207] memfd_create("syzkaller", 0) = 3 [pid 5204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5203] <... futex resumed>) = 1 [pid 5204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5203] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5204] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5204] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5207] <... mmap resumed>) = 0x7f63f55e1000 [pid 5206] <... mmap resumed>) = 0x7f63f55e1000 ./strace-static-x86_64: Process 5208 attached [pid 5208] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053) = 0 [pid 5208] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5208] memfd_create("syzkaller", 0) = 3 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5190] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5051] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5051] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5200] +++ exited with 0 +++ [pid 5191] +++ exited with 0 +++ [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5051] <... ioctl resumed>) = 0 [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5051] <... clone resumed>, child_tidptr=0x555556e82690) = 5209 ./strace-static-x86_64: Process 5209 attached [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5209] set_robust_list(0x555556e826a0, 24) = 0 [pid 5052] <... ioctl resumed>) = 0 [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, NULL, 8) = 0 [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63fd9e1000 [pid 5209] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... clone resumed>, child_tidptr=0x555556e82690) = 5210 [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} => {parent_tid=[5211]}, 88) = 5211 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5210 attached ./strace-static-x86_64: Process 5211 attached [pid 5211] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5209] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... write resumed>) = 1048576 [pid 5211] <... rseq resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5205] munmap(0x7f63f55e1000, 1048576 [pid 5211] set_robust_list(0x7f63fda019a0, 24 [pid 5209] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5205] <... munmap resumed>) = 0 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] set_robust_list(0x555556e826a0, 24 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5207] <... write resumed>) = 1048576 [pid 5205] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5211] memfd_create("syzkaller", 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] <... write resumed>) = 1048576 [pid 5210] <... prctl resumed>) = 0 [pid 5210] setpgid(0, 0) = 0 [pid 5208] <... write resumed>) = 1048576 [pid 5205] <... openat resumed>) = 4 [pid 5205] ioctl(4, LOOP_SET_FD, 3 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5205] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] <... openat resumed>) = 3 [pid 5206] munmap(0x7f63f55e1000, 1048576 [pid 5207] munmap(0x7f63f55e1000, 1048576 [pid 5210] write(3, "1000", 4 [pid 5207] <... munmap resumed>) = 0 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] <... write resumed>) = 4 [pid 5205] close(4) = 0 [pid 5205] close(3 [pid 5210] close(3 [pid 5206] <... munmap resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5208] munmap(0x7f63f55e1000, 1048576 [pid 5207] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5208] <... munmap resumed>) = 0 [pid 5207] <... openat resumed>) = 4 [pid 5207] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5207] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] <... close resumed>) = 0 [pid 5210] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5210] rt_sigaction(SIGRT_1, {sa_handler=0x7f63fda6a460, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f63fda5bb10}, [pid 5208] <... openat resumed>) = 4 [pid 5208] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5208] ioctl(4, LOOP_CLR_FD [pid 5207] ioctl(4, LOOP_SET_FD, 3 [pid 5208] <... ioctl resumed>) = 0 [pid 5207] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5206] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5207] close(4) = 0 [pid 5206] <... openat resumed>) = 4 [pid 5210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5207] close(3 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] ioctl(4, LOOP_SET_FD, 3 [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5208] ioctl(4, LOOP_SET_FD, 3 [pid 5210] <... mmap resumed>) = 0x7f63fd9e1000 [pid 5208] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5206] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5208] close(4) = 0 [ 93.095547][ T5211] __do_sys_memfd_create: 30 callbacks suppressed [ 93.095567][ T5211] syz-executor165[5211]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5208] close(3 [pid 5210] mprotect(0x7f63fd9e2000, 131072, PROT_READ|PROT_WRITE [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] <... mprotect resumed>) = 0 [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63fda01990, parent_tid=0x7f63fda01990, exit_signal=0, stack=0x7f63fd9e1000, stack_size=0x20300, tls=0x7f63fda016c0} [pid 5205] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5205] <... futex resumed>) = 1 [pid 5202] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5202] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5212 attached [pid 5211] <... memfd_create resumed>) = 3 [pid 5210] <... clone3 resumed> => {parent_tid=[5212]}, 88) = 5212 [pid 5208] <... close resumed>) = 0 [pid 5207] <... close resumed>) = 0 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] ioctl(4, LOOP_SET_FD, 3 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5207] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] close(4 [pid 5210] <... futex resumed>) = 0 [pid 5207] <... futex resumed>) = 1 [pid 5207] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] <... futex resumed>) = 0 [pid 5203] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5206] <... close resumed>) = 0 [pid 5210] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5206] close(3 [pid 5207] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5203] <... futex resumed>) = 1 [pid 5203] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5208] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5204] <... futex resumed>) = 0 [pid 5211] <... mmap resumed>) = 0x7f63f55e1000 [pid 5212] rseq(0x7f63fda01fe0, 0x20, 0, 0x53053053 [pid 5204] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... futex resumed>) = 1 [pid 5204] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] <... futex resumed>) = 0 [pid 5208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5212] <... rseq resumed>) = 0 [pid 5212] set_robust_list(0x7f63fda019a0, 24) = 0 [pid 5212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5212] memfd_create("syzkaller", 0 [pid 5211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5206] <... close resumed>) = 0 [pid 5206] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5206] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5211] <... write resumed>) = 1048576 [pid 5201] <... futex resumed>) = 0 [pid 5212] <... memfd_create resumed>) = 3 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63f55e1000 [pid 5203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5203] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5203] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} => {parent_tid=[5213]}, 88) = 5213 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5203] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5203] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5213 attached [pid 5213] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053) = 0 [pid 5213] set_robust_list(0x7f63f56e09a0, 24 [pid 5202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5202] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5204] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5202] <... mmap resumed>) = 0x7f63f56c0000 [pid 5204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5202] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5204] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5202] <... mprotect resumed>) = 0 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] <... mmap resumed>) = 0x7f63f56c0000 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5213] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5204] <... mprotect resumed>) = 0 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [ 93.204157][ T5212] syz-executor165[5212]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [pid 5211] munmap(0x7f63f55e1000, 1048576 [pid 5204] <... clone3 resumed> => {parent_tid=[5215]}, 88) = 5215 [pid 5202] <... clone3 resumed> => {parent_tid=[5214]}, 88) = 5214 ./strace-static-x86_64: Process 5215 attached [pid 5211] <... munmap resumed>) = 0 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5214 attached [pid 5215] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] <... rseq resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5204] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], [pid 5212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5211] <... openat resumed>) = 4 [pid 5214] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5211] ioctl(4, LOOP_SET_FD, 3 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] <... rseq resumed>) = 0 [pid 5211] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5202] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] set_robust_list(0x7f63f56e09a0, 24 [pid 5211] ioctl(4, LOOP_CLR_FD [pid 5202] <... futex resumed>) = 0 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5211] <... ioctl resumed>) = 0 [pid 5202] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5214] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5211] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5211] close(4) = 0 [pid 5211] close(3 [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5201] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} => {parent_tid=[5216]}, 88) = 5216 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5216 attached [pid 5203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f569f000 [pid 5203] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5216] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5203] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5212] <... write resumed>) = 1048576 [pid 5216] <... rseq resumed>) = 0 [pid 5212] munmap(0x7f63f55e1000, 1048576 [pid 5211] <... close resumed>) = 0 [pid 5216] set_robust_list(0x7f63f56e09a0, 24) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5216] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5212] <... munmap resumed>) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5203] <... clone3 resumed> => {parent_tid=[5217]}, 88) = 5217 [pid 5212] <... openat resumed>) = 4 [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5212] ioctl(4, LOOP_SET_FD, 3 [pid 5204] <... futex resumed>) = 0 [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5203] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5204] <... mmap resumed>) = 0x7f63f569f000 [pid 5203] <... futex resumed>) = 0 [pid 5212] ioctl(4, LOOP_CLR_FD [pid 5211] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5217 attached [pid 5212] <... ioctl resumed>) = 0 [pid 5211] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5204] <... mprotect resumed>) = 0 [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = 0 [pid 5211] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5209] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] <... rseq resumed>) = 0 [pid 5204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] set_robust_list(0x7f63f56bf9a0, 24 [pid 5212] ioctl(4, LOOP_SET_FD, 3 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5212] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5217] ftruncate(-1, 33587195 [pid 5212] close(4 [pid 5217] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5212] <... close resumed>) = 0 [pid 5217] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] close(3 [pid 5217] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 0 [pid 5217] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5203] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5217] sendfile(-1, -1, NULL, 4 [pid 5204] <... clone3 resumed> => {parent_tid=[5218]}, 88) = 5218 [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5204] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5218 attached [pid 5217] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5217] <... futex resumed>) = 1 [pid 5204] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... futex resumed>) = 0 [pid 5218] <... rseq resumed>) = 0 [pid 5217] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] set_robust_list(0x7f63f56bf9a0, 24 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] <... futex resumed>) = 0 [pid 5202] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] <... futex resumed>) = 0 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... mmap resumed>) = 0x7f63f569f000 [pid 5218] ftruncate(-1, 33587195 [pid 5217] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 0 [pid 5202] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5218] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5217] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5202] <... mprotect resumed>) = 0 [pid 5217] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5217] <... futex resumed>) = 1 [pid 5203] <... futex resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5203] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5218] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5203] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5217] openat(AT_FDCWD, ".", O_RDONLY [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5217] <... openat resumed>) = 5 [pid 5204] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5218] sendfile(-1, -1, NULL, 4 [pid 5217] <... futex resumed>) = 1 [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5219 attached [pid 5218] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5217] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... clone3 resumed> => {parent_tid=[5219]}, 88) = 5219 [pid 5218] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5218] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5218] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5218] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5218] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] madvise(0x20000000, 6291467, MADV_REMOVE) = -1 EINVAL (Invalid argument) [pid 5218] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5218] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5218] openat(AT_FDCWD, ".", O_RDONLY [pid 5204] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... openat resumed>) = 5 [pid 5218] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5218] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] <... rseq resumed>) = 0 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] set_robust_list(0x7f63f56bf9a0, 24) = 0 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5219] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 5219] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5219] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] sendfile(-1, -1, NULL, 4 [pid 5202] <... futex resumed>) = 0 [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5201] <... mmap resumed>) = 0x7f63f569f000 [pid 5219] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0} [pid 5219] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5220 attached [pid 5202] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5212] <... close resumed>) = 0 [pid 5219] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5209] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE [pid 5201] <... clone3 resumed> => {parent_tid=[5220]}, 88) = 5220 [pid 5219] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053) = 0 [pid 5209] <... mprotect resumed>) = 0 [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] set_robust_list(0x7f63f56bf9a0, 24 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5220] <... set_robust_list resumed>) = 0 [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5202] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0} [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5212] futex(0x7f63fdacb60c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5212] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5202] <... futex resumed>) = 1 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5221 attached [pid 5219] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5212] futex(0x7f63fdacb608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f63fdacb608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... futex resumed>) = 0 [pid 5209] <... clone3 resumed> => {parent_tid=[5221]}, 88) = 5221 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 1 [pid 5221] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5220] ftruncate(-1, 33587195 [pid 5219] <... futex resumed>) = 0 [pid 5212] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000 [pid 5210] futex(0x7f63fdacb60c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... rseq resumed>) = 0 [pid 5220] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] set_robust_list(0x7f63f56e09a0, 24 [pid 5220] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5219] openat(AT_FDCWD, ".", O_RDONLY [pid 5209] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... openat resumed>) = 5 [pid 5209] <... futex resumed>) = 0 [pid 5201] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5201] <... futex resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] sendfile(-1, -1, NULL, 4 [pid 5219] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5220] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5219] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5220] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5220] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5220] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5220] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5220] openat(AT_FDCWD, ".", O_RDONLY [pid 5201] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] <... openat resumed>) = 5 [pid 5220] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5220] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5210] futex(0x7f63fdacb61c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f63f56c0000 [pid 5210] mprotect(0x7f63f56c1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56e0990, parent_tid=0x7f63f56e0990, exit_signal=0, stack=0x7f63f56c0000, stack_size=0x20300, tls=0x7f63f56e06c0}./strace-static-x86_64: Process 5222 attached => {parent_tid=[5222]}, 88) = 5222 [pid 5222] rseq(0x7f63f56e0fe0, 0x20, 0, 0x53053053 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] <... rseq resumed>) = 0 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] set_robust_list(0x7f63f56e09a0, 24 [pid 5210] futex(0x7f63fdacb618, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5222] <... set_robust_list resumed>) = 0 [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] futex(0x7f63fdacb61c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... futex resumed>) = 0 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5222] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5209] <... mmap resumed>) = 0x7f63f569f000 [pid 5209] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE) = 0 [ 93.418603][ T48] ------------[ cut here ]------------ [ 93.424143][ T48] kernel BUG at fs/ext4/inode.c:2561! [ 93.453459][ T48] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 93.459595][ T48] CPU: 1 PID: 48 Comm: kworker/u4:3 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0 [ 93.469093][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 93.479180][ T48] Workqueue: writeback wb_workfn (flush-7:0) [ 93.485227][ T48] RIP: 0010:ext4_do_writepages+0x27a1/0x34a0 [ 93.491295][ T48] Code: fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 bc ed ff ff 48 8b 7c 24 08 e8 89 3e a8 ff e9 ad ed ff ff e8 6f bd 52 ff <0f> 0b e8 68 bd 52 ff 48 8b 84 24 b0 00 00 00 48 8d 78 40 48 b8 00 [ 93.510970][ T48] RSP: 0018:ffffc90000b8f320 EFLAGS: 00010293 [ 93.517060][ T48] RAX: 0000000000000000 RBX: ffff888075e90a50 RCX: 0000000000000000 [ 93.525048][ T48] RDX: ffff888013e9d940 RSI: ffffffff82351601 RDI: 0000000000000007 [ 93.533033][ T48] RBP: ffffc90000b8f528 R08: 0000000000000007 R09: 0000000000000000 [ 93.541105][ T48] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 [ 93.549089][ T48] R13: ffff888021158628 R14: ffff888075e90cb0 R15: 0000000000003400 [ 93.557073][ T48] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 93.566022][ T48] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.572622][ T48] CR2: 00007f63f56bfd58 CR3: 000000007a839000 CR4: 00000000003506e0 [ 93.580612][ T48] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.588598][ T48] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.596581][ T48] Call Trace: [ 93.599908][ T48] [ 93.602857][ T48] ? show_regs+0x8f/0xa0 [ 93.607127][ T48] ? die+0x36/0xa0 [ 93.610875][ T48] ? do_trap+0x22b/0x420 [ 93.615145][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.620543][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.625939][ T48] ? do_error_trap+0xf4/0x230 [ 93.630645][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.636043][ T48] ? handle_invalid_op+0x34/0x40 [ 93.641005][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.646401][ T48] ? exc_invalid_op+0x2d/0x40 [ 93.651106][ T48] ? asm_exc_invalid_op+0x1a/0x20 [ 93.656161][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.661553][ T48] ? ext4_do_writepages+0x27a1/0x34a0 [ 93.666948][ T48] ? filemap_get_folios_tag+0x553/0xc50 [ 93.672520][ T48] ? filemap_get_folios+0xbf0/0xbf0 [ 93.677742][ T48] ? lock_acquire+0x464/0x510 [ 93.682456][ T48] ? __ext4_mark_inode_dirty+0x800/0x800 [ 93.688135][ T48] ? preempt_count_sub+0x150/0x150 [ 93.693284][ T48] ? dirty_background_bytes_handler+0x80/0x80 [ 93.699402][ T48] ext4_writepages+0x30b/0x780 [ 93.704193][ T48] ? rcu_is_watching+0x12/0xb0 [ 93.708976][ T48] ? ext4_normal_submit_inode_data_buffers+0x1a0/0x1a0 [ 93.715861][ T48] ? lock_release+0x4bf/0x680 [ 93.720567][ T48] ? fprop_reflect_period_percpu.isra.0+0x4b/0x2f0 [ 93.727099][ T48] ? ext4_normal_submit_inode_data_buffers+0x1a0/0x1a0 [ 93.734000][ T48] do_writepages+0x1b4/0x690 [ 93.738613][ T48] ? writeback_set_ratelimit+0x140/0x140 [ 93.744268][ T48] ? lock_acquire+0x464/0x510 [ 93.748972][ T48] ? rcu_is_watching+0x12/0xb0 [ 93.753773][ T48] ? rcu_is_watching+0x12/0xb0 [ 93.758552][ T48] ? lock_release+0x4bf/0x680 [ 93.763256][ T48] ? wbc_attach_and_unlock_inode+0x44d/0x910 [ 93.769278][ T48] ? reacquire_held_locks+0x4b0/0x4b0 [ 93.774677][ T48] ? lock_release+0x4bf/0x680 [ 93.779380][ T48] __writeback_single_inode+0x158/0xe70 [ 93.784953][ T48] ? __mark_inode_dirty+0xd50/0xd50 [ 93.790166][ T48] ? _raw_spin_unlock+0x28/0x40 [ 93.795032][ T48] ? wbc_attach_and_unlock_inode+0x4a3/0x910 [ 93.801026][ T48] writeback_sb_inodes+0x599/0x1010 [ 93.806243][ T48] ? sync_inode_metadata+0xe0/0xe0 [ 93.811365][ T48] ? do_raw_spin_lock+0x12e/0x2b0 [ 93.816421][ T48] ? move_expired_inodes+0x59e/0x850 [ 93.821727][ T48] __writeback_inodes_wb+0xff/0x2d0 [ 93.826949][ T48] ? writeback_sb_inodes+0x1010/0x1010 [ 93.832426][ T48] ? queue_io+0x3ed/0x4e0 [ 93.836778][ T48] wb_writeback+0x7f8/0xa90 [ 93.841304][ T48] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 93.846784][ T48] ? get_nr_dirty_inodes+0x176/0x1e0 [ 93.852098][ T48] wb_workfn+0x874/0xfd0 [ 93.856359][ T48] ? lock_release+0x4bf/0x680 [ 93.861055][ T48] ? inode_wait_for_writeback+0x30/0x30 [ 93.866615][ T48] ? do_raw_spin_unlock+0x173/0x230 [ 93.871850][ T48] ? rcu_is_watching+0x12/0xb0 [ 93.876626][ T48] ? lock_acquire+0x464/0x510 [ 93.881326][ T48] ? lock_sync+0x190/0x190 [ 93.885773][ T48] ? spin_bug+0x1d0/0x1d0 [ 93.890131][ T48] ? rcu_is_watching+0x12/0xb0 [ 93.894913][ T48] process_one_work+0x887/0x15d0 [ 93.899882][ T48] ? lock_sync+0x190/0x190 [ 93.904330][ T48] ? init_worker_pool+0x770/0x770 [ 93.909386][ T48] ? assign_work+0x1a0/0x240 [ 93.914004][ T48] worker_thread+0x8bb/0x1290 [ 93.918718][ T48] ? process_one_work+0x15d0/0x15d0 [ 93.923942][ T48] kthread+0x33a/0x430 [ 93.928037][ T48] ? kthread_complete_and_exit+0x40/0x40 [ 93.933697][ T48] ret_from_fork+0x45/0x80 [ 93.938140][ T48] ? kthread_complete_and_exit+0x40/0x40 [ 93.943794][ T48] ret_from_fork_asm+0x11/0x20 [ 93.948598][ T48] [ 93.951626][ T48] Modules linked in: [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5223 attached [pid 5210] <... futex resumed>) = 0 [pid 5223] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5209] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5223] <... rseq resumed>) = 0 [pid 5210] <... mmap resumed>) = 0x7f63f569f000 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] set_robust_list(0x7f63f56bf9a0, 24 [pid 5210] mprotect(0x7f63f56a0000, 131072, PROT_READ|PROT_WRITE [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5210] <... mprotect resumed>) = 0 [pid 5209] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5209] <... futex resumed>) = 0 [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] ftruncate(-1, 33587195 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f63f56bf990, parent_tid=0x7f63f56bf990, exit_signal=0, stack=0x7f63f569f000, stack_size=0x20300, tls=0x7f63f56bf6c0}./strace-static-x86_64: Process 5224 attached [pid 5223] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5223] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... clone3 resumed> => {parent_tid=[5224]}, 88) = 5224 [pid 5223] <... futex resumed>) = 1 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] <... futex resumed>) = 0 [pid 5224] rseq(0x7f63f56bffe0, 0x20, 0, 0x53053053 [pid 5223] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... rseq resumed>) = 0 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5224] set_robust_list(0x7f63f56bf9a0, 24 [pid 5223] sendfile(-1, -1, NULL, 4 [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5223] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5224] ftruncate(-1, 33587195 [pid 5223] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 1 [pid 5223] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5210] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5224] sendfile(-1, -1, NULL, 4 [pid 5223] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 1 [pid 5223] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... futex resumed>) = 0 [ 94.028527][ T48] ---[ end trace 0000000000000000 ]--- [ 94.034041][ T48] RIP: 0010:ext4_do_writepages+0x27a1/0x34a0 [ 94.057897][ T48] Code: fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 bc ed ff ff 48 8b 7c 24 08 e8 89 3e a8 ff e9 ad ed ff ff e8 6f bd 52 ff <0f> 0b e8 68 bd 52 ff 48 8b 84 24 b0 00 00 00 48 8d 78 40 48 b8 00 [pid 5224] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5224] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0 [pid 5223] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... mmap resumed>) = -1 EBADF (Bad file descriptor) [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] openat(AT_FDCWD, ".", O_RDONLY [pid 5209] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 1 [pid 5223] <... openat resumed>) = 5 [pid 5210] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5224] madvise(0x20000000, 6291467, MADV_REMOVE [pid 5223] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... madvise resumed>) = -1 EINVAL (Invalid argument) [pid 5224] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5224] futex(0x7f63fdacb628, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f63fdacb628, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... futex resumed>) = 0 [pid 5224] openat(AT_FDCWD, ".", O_RDONLY [pid 5210] futex(0x7f63fdacb62c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... openat resumed>) = 5 [pid 5224] futex(0x7f63fdacb62c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5210] <... futex resumed>) = 0 [ 94.098136][ T48] RSP: 0018:ffffc90000b8f320 EFLAGS: 00010293 [ 94.104363][ T48] RAX: 0000000000000000 RBX: ffff888075e90a50 RCX: 0000000000000000 [ 94.119175][ T48] RDX: ffff888013e9d940 RSI: ffffffff82351601 RDI: 0000000000000007 [ 94.127537][ T48] RBP: ffffc90000b8f528 R08: 0000000000000007 R09: 0000000000000000 [ 94.135964][ T48] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 [ 94.144330][ T48] R13: ffff888021158628 R14: ffff888075e90cb0 R15: 0000000000003400 [ 94.152642][ T48] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 94.161894][ T48] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.168797][ T48] CR2: 000055c0927735c0 CR3: 000000007417b000 CR4: 00000000003506e0 [ 94.177017][ T48] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.185403][ T48] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.193756][ T48] Kernel panic - not syncing: Fatal exception [ 94.200044][ T48] Kernel Offset: disabled [ 94.204373][ T48] Rebooting in 86400 seconds..